US5475426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling an electronic zoom system using an image pick-up element
Assignee: Hitachi Ltd
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Filing: 1994-04-29
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Granted: 1995-12-12
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Expires: 2014-04-29
Abstract
Abstract An electronic zoom system comprises a memory, a zoom operation processing circuit having a read/write control circuit for controlling the reading and writing of signals to and from said memory, respectively, and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying and expanding said video signal by a magnification factor of β/α. The electronic zoom system can reduce the power consumption of the control circuit and enhance the utilization efficiency of control data used for the control circuit.
Inventors
- 👤 Toshiro Kinugasa
- 👤 Takuya Imaide
- 👤 Hiroyuki Komatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:52
CPC Classifications
G; G06; G06T; G06T3/00; G06T3/40; G06T3/4007; H; H04; H04N; H04N23/00; H04N23/60; H04N23/69; H04N25/00; H04N25/40; H04N25/44; H04N25/443; H04N5/00; H04N5/222; H04N5/262; H04N5/2628
Claims Analysis
Total Claims: 65
Claim 1
Independent Claim
101 words
An electronic zoom system, wherein β and α represent the spatial distance between video signals at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α.
Claim 2
Dependent Claim
101 words
An electronic zoom system, wherein β and α represent the spatial distance between video signals at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α.
Claim 3
Dependent Claim
172 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α, in which said operation control circuit successively adds β-α1 and β-α2 and in horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in horizontal and vertical directions, respectively.
Claim 4
Dependent Claim
172 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α, in which said operation control circuit successively adds β-α1 and β-α2 and in horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in horizontal and vertical directions, respectively.
Claim 5
Dependent Claim
30 words
An electronic zoom apparatus as defined in claim 2 in which said operation control circuit successively adds β-α1 and β-α2 to a predetermined value in horizontal and vertical directions, respectively.
Claim 6
Dependent Claim
148 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α, in which said operation control circuit successively adds β-α to a given value.
Claim 7
Dependent Claim
148 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a memory; a zoom operation processing circuit having a read/write control circuit coupled to said memory for controlling the reading and writing of signals to and from said memory, respectively; and an operation control circuit for controlling said zoom operation processing circuit based upon a result of successive additions of β-α, whereby a video signal is input to said zoom operation processing circuit for electronically magnifying said video signal by a magnification factor of β/α, in which said operation control circuit successively adds β-α to a given value.
Claim 8
Dependent Claim
141 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α.
Claim 9
Dependent Claim
141 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α.
Claim 10
Dependent Claim
179 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α, in which said operation control circuit successively adds β-α1 and β-α2 in the horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively.
Claim 11
Dependent Claim
179 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α, in which said operation control circuit successively adds β-α1 and β-α2 in the horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively.
Claim 12
Dependent Claim
30 words
An electronic zoom apparatus as defined in claim 6 in which said operation control circuit successively adds β-α1 and β-α2 to predetermined values in the horizontal and vertical directions, respectively.
Claim 13
Dependent Claim
154 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α, in which said operation control circuit successively adds β-α to a given value.
Claim 14
Dependent Claim
154 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: a zoom operation processing circuit for electronically magnifying an input video signal; an operation control circuit for controlling said zoom operation processing circuit based upon a magnification factor control signal input to said operation control circuit; and a magnification factor control circuit, from which β-α is output as said magnification factor control signal to said operation control circuit so that said zoom operation processing circuit electronically magnifies the input video signal in a desired portion by a magnification factor of β/α, in which said operation control circuit successively adds β-α to a given value.
Claim 15
Dependent Claim
137 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying a scanning pulse to said image pickup element, said scanning circuit being controlled on the basis of successive additions of β-α1; and an operation control circuit for determining whether or not a signal is read from said image pickup element, to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element.
Claim 16
Dependent Claim
137 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying a scanning pulse to said image pickup element, said scanning circuit being controlled on the basis of successive additions of β-α1; and an operation control circuit for determining whether or not a signal is read from said image pickup element, to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element.
Claim 17
Dependent Claim
154 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying a scanning pulse to said image pickup element, said scanning circuit being controlled on the basis of the addition results by successive additions of β-α1; and an operation control circuit for determining whether or not a signal is read from said image pickup element, to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element, in which said operation control circuit successively adds β-α to a given value.
Claim 18
Dependent Claim
154 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying a scanning pulse to said image pickup element, said scanning circuit being controlled on the basis of the addition results by successive additions of β-α1; and an operation control circuit for determining whether or not a signal is read from said image pickup element, to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element, in which said operation control circuit successively adds β-α to a given value.
Claim 19
Dependent Claim
196 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification factor control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the start of operation in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions.
Claim 20
Dependent Claim
196 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification factor control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the start of operation in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions.
Claim 21
Dependent Claim
230 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions, in which said operation control circuit successively adds β-α1 and β-α2 in horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in horizontal and vertical directions, respectively.
Claim 22
Dependent Claim
230 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions, in which said operation control circuit successively adds β-α1 and β-α2 in horizontal and vertical directions, respectively, for magnifying said video signal by a magnification factor of β/α1 and β/α2 in horizontal and vertical directions, respectively.
Claim 23
Dependent Claim
30 words
An electronic zoom apparatus as defined in claim 12 in which said operation control circuit successively adds β-α1 and β-α2 to a predetermined value in horizontal and vertical directions, respectively.
Claim 24
Dependent Claim
207 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions, in which said operation control circuit successively adds β-α to a given value.
Claim 25
Dependent Claim
207 words
An electronic zoom system, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said electronic zoom system comprising: an image pickup element; a scanning circuit for supplying said image pickup element with scanning pulses; a zoom operation processing circuit to which a video signal read from said image pickup element is input; an operation control circuit for controlling said scanning circuit and said zoom operation processing circuit based on results of successive additions of β-α; a magnification control circuit for controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the horizontal direction, in which a video signal in α lines is read from said image pickup element at a horizontal interval β; said zoom operation processing circuit being adapted to magnify the video signal read from said image pickup element in the horizontal direction and for interpolating the video signal in vertical and horizontal directions, in which said operation control circuit successively adds β-α to a given value.
Claim 26
Independent Claim
156 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α1 or β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 or β-α2 in the horizontal and vertical directions, respectively.
Claim 27
Independent Claim
156 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α1 or β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 or β-α2 in the horizontal and vertical directions, respectively.
Claim 28
Independent Claim
119 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; successively adding β-α for controlling said zoom operation processing circuit to derive magnification factor β/α; and processing said signals in accordance with said magnification factor β/α.
Claim 29
Independent Claim
119 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; successively adding β-α for controlling said zoom operation processing circuit to derive magnification factor β/α; and processing said signals in accordance with said magnification factor β/α.
Claim 30
Independent Claim
122 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; successively adding β-α1 and β-α2, for controlling operation of said zoom operation processing circuit; deriving magnification factor β/α; and processing said signals in accordance with said magnification factor β/α.
Claim 31
Independent Claim
122 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; successively adding β-α1 and β-α2, for controlling operation of said zoom operation processing circuit; deriving magnification factor β/α; and processing said signals in accordance with said magnification factor β/α.
Claim 32
Independent Claim
141 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 and β-α2 in the horizontal and vertical directions, respectively.
Claim 33
Independent Claim
141 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 and β-α2 in the horizontal and vertical directions, respectively.
Claim 34
Independent Claim
123 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; and controlling magnification of said video signal in accordance with said operation control circuit; wherein β-α is successively added to a given value in said operation control circuit.
Claim 35
Independent Claim
123 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; and controlling magnification of said video signal in accordance with said operation control circuit; wherein β-α is successively added to a given value in said operation control circuit.
Claim 36
Independent Claim
142 words
A method for controlling an electronic zoom system having an operation control circuit including an image pickup element and scanning circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: supplying a scanning pulse to said image pickup element to control said scanning circuit on the basis of successive additions of β-α; and determining whether or not a signal is read from said image pickup element to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element.
Claim 37
Independent Claim
142 words
A method for controlling an electronic zoom system having an operation control circuit including an image pickup element and scanning circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: supplying a scanning pulse to said image pickup element to control said scanning circuit on the basis of successive additions of β-α; and determining whether or not a signal is read from said image pickup element to thereby effectuate magnification by reading out a video signal in α lines from said image pickup element at a horizontal interval β from said image pickup element.
Claim 38
Independent Claim
210 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 and β-α2 in the horizontal and vertical directions, respectively.
Claim 39
Independent Claim
210 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α1 and β/α2 in the horizontal and vertical directions, respectively, by successively adding β-α1 and β-α2 in the horizontal and vertical directions, respectively.
Claim 40
Independent Claim
150 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signal, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in vertical and horizontal directions.
Claim 41
Independent Claim
150 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signal, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in vertical and horizontal directions.
Claim 42
Independent Claim
193 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein β-α1 and β-α2 are successively added to predetermined values in the horizontal and vertical directions, respectively.
Claim 43
Independent Claim
193 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction and α2 represents the spatial distance between interpolated signals in the vertical direction at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein β-α1 and β-α2 are successively added to predetermined values in the horizontal and vertical directions, respectively.
Claim 44
Independent Claim
133 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α1 in the horizontal direction, by successively adding β-α1 in the horizontal direction.
Claim 45
Independent Claim
133 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α1 in the horizontal direction, by successively adding β-α1 in the horizontal direction.
Claim 46
Independent Claim
133 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α2 in the vertical direction, by successively adding β-α2 in the vertical direction.
Claim 47
Independent Claim
133 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling said zoom operation processing circuit by inputting a video signal to said zoom operation processing circuit and electronically magnifying said video signal by a magnification factor of β/α, wherein said video signal is magnified by a magnification factor of β/α2 in the vertical direction, by successively adding β-α2 in the vertical direction.
Claim 48
Independent Claim
98 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling operation of said zoom operation processing circuit; deriving magnification factor β/α in accordance with a magnification factor control signal β-α; and processing said signals in accordance with said magnification factor β/α.
Claim 49
Independent Claim
98 words
A method for controlling an electronic zoom system having a zoom operation processing circuit including a memory, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, at various stages of zoom processing, said method comprising the steps of: controlling the reading and writing of signals to and from said memory, respectively, in said zoom operation processing circuit; controlling operation of said zoom operation processing circuit; deriving magnification factor β/α in accordance with a magnification factor control signal β-α; and processing said signals in accordance with said magnification factor β/α.
Claim 50
Independent Claim
118 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α1 in the horizontal direction by successively adding β-α1 in the horizontal directions.
Claim 51
Independent Claim
118 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α1 in the horizontal direction by successively adding β-α1 in the horizontal directions.
Claim 52
Independent Claim
118 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α2 in the vertical direction by successively adding β-α2 in the vertical direction.
Claim 53
Independent Claim
118 words
A method for controlling the magnification of a video signal in an electronic zoom system having an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; determining a magnification factor β/α in accordance with a magnification factor control signal β-α; controlling magnification of said video signal in accordance with said operation control circuit; and magnifying said video signal by a magnification factor of β/α2 in the vertical direction by successively adding β-α2 in the vertical direction.
Claim 54
Independent Claim
187 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α1 in the horizontal direction by successively adding β-α1 in the horizontal directions.
Claim 55
Independent Claim
187 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α1 represents the spatial distance between interpolated signals in the horizontal direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α1 in the horizontal direction by successively adding β-α1 in the horizontal directions.
Claim 56
Independent Claim
187 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α2 in the vertical direction by successively adding β-α2 in the vertical direction.
Claim 57
Independent Claim
187 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals, in particular α2 represents the spatial distance between interpolated signals in the vertical direction, at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; interpolating the video signal in vertical and horizontal directions; wherein said video signal is magnified by a magnification factor of β/α2 in the vertical direction by successively adding β-α2 in the vertical direction.
Claim 58
Independent Claim
149 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the horizontal directions.
Claim 59
Independent Claim
149 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the horizontal directions.
Claim 60
Independent Claim
149 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the vertical directions.
Claim 61
Independent Claim
149 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal based on results of successive additions of β-α; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the vertical directions.
Claim 62
Independent Claim
155 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit which controls said scanning circuit in accordance with a magnification factor control signal β-α, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the horizontal direction.
Claim 63
Independent Claim
155 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit which controls said scanning circuit in accordance with a magnification factor control signal β-α, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the horizontal direction.
Claim 64
Independent Claim
155 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit which controls said scanning circuit in accordance with a magnification factor control signal β-α, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the vertical direction.
Claim 65
Independent Claim
155 words
A method for controlling the magnification of a video signal in an electronic zoom system having an image pickup element, a scanning circuit and an operation control circuit which controls said scanning circuit in accordance with a magnification factor control signal β-α, wherein β represents the spatial distance between original signals and α represents the spatial distance between interpolated signals at various stages of zoom processing, said method comprising the steps of: inputting a video signal; supplying said image pickup element with scanning pulses; controlling scanning and zoom processing of said video signal; controlling a scanning starting pixel in the vertical direction and for controlling the operation start in the vertical direction, in which the video signal in α lines is read from said image pickup element at a horizontal interval β; magnifying the video signal read from said image pickup element in the horizontal direction; and interpolating the video signal in the vertical direction.
References Cited (Backward Citations)
US4163249A
Cited
US4682243A
Cited
US4876601A
Cited
US4792856A
Cited
US4951125A
Cited
US5253064A
Cited
US5243433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-12-11 | 1999-06-12 | 1999-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-12-11 | 2003-06-12 | 2003-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-12-11 | 2007-06-12 | 2007-12-12 | $7700.00 | Window Closed / Lapsed |