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US4803555A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of driving a solid state image pickup device

Assignee: Canon Inc
•
Filing: 1987-08-24
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Granted: 1989-02-07
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Expires: 2007-08-24
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Abstract

Abstract A method of driving a solid-stage image pickup device of the frame transfer type comprises an image sensing part for generating an electrical signal in response to incident light, a storage part for taking and storing the signal generated in the image sensing part, and means for preventing blooming provided at least near the boundary between these image sensing part and storage part. This driving method comprises the steps of: driving the image sensing part independently of the storage part at an arbitrary time; collecting the generated signal near the boundary; clearing them using the blooming preventing means located therein; thereafter, synchronously driving the image sensing part and the storage part under a predetermined relation, thereby transferring the signal in less than the standard television field interval which has been generated so far in the image sensing part to the storage part and storing it therein.

Inventors

  • 👤 Kenichi Shinbori
  • 👤 Kazuo Ishikawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 02:16
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/30; H04N25/00; H04N25/70; H04N25/71; H04N25/72

Claims Analysis

Total Claims: 66
Claim 1
Independent Claim 146 words
A method of driving a solid-state image pickup device of the frame transfer type having an image sensing part, a storage part, and a readout part, said method comprising: (a) a first step of periodically transferring an image charge signal in the image sensing part to the storage part during a first time interval; (b) a second step of periodically reading out the image charge signal from the storage part one line by one through the readout part each during a second time interval shorter than said first time interval; and (c) a third step of transferring the image charge signal in the image sensing part one line by one to the storage part during a third time interval shorter than said second time interval within said first time interval, wherein said first time interval corresponds to the field time interval of a standard television signal.
Claim 2
Independent Claim 146 words
A method of driving a solid-state image pickup device of the frame transfer type having an image sensing part, a storage part, and a readout part, said method comprising: (a) a first step of periodically transferring an image charge signal in the image sensing part to the storage part during a first time interval; (b) a second step of periodically reading out the image charge signal from the storage part one line by one through the readout part each during a second time interval shorter than said first time interval; and (c) a third step of transferring the image charge signal in the image sensing part one line by one to the storage part during a third time interval shorter than said second time interval within said first time interval, wherein said first time interval corresponds to the field time interval of a standard television signal.
Claim 3
Dependent Claim 23 words
A driving method according to claim 1, wherein said second time interval corresponds to a horizontal time interval of a standard television signal.
Claim 4
Dependent Claim 37 words
A driving method according to claim 1, wherein said third step is performed at a different timing from said first step in accordance with the brightness of an object to be sensed by the image sensing part.
Claim 5
Independent Claim 144 words
A method of driving a solid-state image pickup device of the frame transfer type having an image sensing part, a storage part, an a readout part, said method comprising: (a) a first step of periodically transferring an image charge signal in the image sensing part to the storage part during a first time interval; (b) a second step of periodically reading out the image charge signal from the storage part one line by one through the readout part during a second time interval shorter than the first time interval; and (c) a third step of transferring the image charge signal in the image sensing part to the storage part at a different timing in accordance with the brightness of an object to be sensed by the image sensing part wherein first time interval corresponds to the field time interval of a standard television signal.
Claim 6
Independent Claim 144 words
A method of driving a solid-state image pickup device of the frame transfer type having an image sensing part, a storage part, an a readout part, said method comprising: (a) a first step of periodically transferring an image charge signal in the image sensing part to the storage part during a first time interval; (b) a second step of periodically reading out the image charge signal from the storage part one line by one through the readout part during a second time interval shorter than the first time interval; and (c) a third step of transferring the image charge signal in the image sensing part to the storage part at a different timing in accordance with the brightness of an object to be sensed by the image sensing part wherein first time interval corresponds to the field time interval of a standard television signal.
Claim 7
Dependent Claim 23 words
A driving method according to claim 4, wherein said second time interval corresponds to a horizontal time interval of a standard television signal.
Claim 8
Dependent Claim 28 words
A driving method according to claim 4, wherein the brightness of the object is detected using a part of the signal to be obtained in said second step.
Claim 9
Dependent Claim 32 words
A driving method according to claim 4, wherein the timing of said third step is controlled in accordance with an output of a photometric device for detecting the brightness of the object.
Claim 10
Dependent Claim 28 words
A driving method according to claim 6 or 7, wherein said third step is performed at a later timing during said first period as said object is brighter.
Claim 11
Dependent Claim 171 words
An image pickup apparatus comprising: (a) an image sensing part for converting an object image to be sensed into an electrical signal; (b) a storage part for storing the signal in said image sensing part; (c) a readout part for reading out the signal in said storage part one line by one; (d) signal producing means for producing signals for controlling the manner in which the signal in said image sensing part is periodically transferred to said storage part during a first time interval and in which the signal thus transferred is transferred one line by one to said readout part during a second time interval shorter than said first time interval and thereby to read out the signal through the readout part; (e) detecting means for detecting the brightness of said object; and (f) overflow control means for allowing the signal in said image sensing part to be transferred to said storage part during said first time interval at the timing in response to an output of said detecting means.
Claim 12
Dependent Claim 171 words
An image pickup apparatus comprising: (a) an image sensing part for converting an object image to be sensed into an electrical signal; (b) a storage part for storing the signal in said image sensing part; (c) a readout part for reading out the signal in said storage part one line by one; (d) signal producing means for producing signals for controlling the manner in which the signal in said image sensing part is periodically transferred to said storage part during a first time interval and in which the signal thus transferred is transferred one line by one to said readout part during a second time interval shorter than said first time interval and thereby to read out the signal through the readout part; (e) detecting means for detecting the brightness of said object; and (f) overflow control means for allowing the signal in said image sensing part to be transferred to said storage part during said first time interval at the timing in response to an output of said detecting means.
Claim 13
Dependent Claim 24 words
An image pickup apparatus according to claim 9, wherein said first time interval substantially corresponds to a field interval of a standard television signal.
Claim 14
Dependent Claim 24 words
An image pickup apparatus according to claim 9, wherein said second time interval substantially corresponds to a horizontal interval of a standard television signal.
Claim 15
Dependent Claim 26 words
An image pickup apparatus according to claim 9, wherein said detecting means detects the brightness of the object from an output signal of said readout part.
Claim 16
Dependent Claim 27 words
An image pickup apparatus according to claim 9, further including clearing means for clearing the signal of at least a predetermined quantity in said image sensing part.
Claim 17
Dependent Claim 22 words
An image pickup apparatus according to claim 13, wherein said clearing means includes an overflow drain provided in said image sensing part.
Claim 18
Independent Claim 139 words
A device comprising: (A) sensing means having sensing elements arranged in a matrix for receiving radiation, said sensing means including an anti-blooming part to prevent said sensing means from blooming and converting radiation into an electrical signal; (B) storage means for storing a signal, said means being disposed adjacent said sensing means; (C) transfer means for transferring said electrical signal in the direction of said storage part, said transfer means transferring said electrical signal in two modes which include: (1) a first mode in which said electrical signal is transferred in the direction of said storage means within said sensing means; and (2) a second mode in which said electrical signal is transferred from said sensing means into said storage means in the direction of said storage means in accordance with a time interval of a standard television signal.
Claim 19
Independent Claim 139 words
A device comprising: (A) sensing means having sensing elements arranged in a matrix for receiving radiation, said sensing means including an anti-blooming part to prevent said sensing means from blooming and converting radiation into an electrical signal; (B) storage means for storing a signal, said means being disposed adjacent said sensing means; (C) transfer means for transferring said electrical signal in the direction of said storage part, said transfer means transferring said electrical signal in two modes which include: (1) a first mode in which said electrical signal is transferred in the direction of said storage means within said sensing means; and (2) a second mode in which said electrical signal is transferred from said sensing means into said storage means in the direction of said storage means in accordance with a time interval of a standard television signal.
Claim 20
Dependent Claim 22 words
A device according to claim 15 further comprising: change over means for changing over between said first mode and said second mode.
Claim 21
Dependent Claim 21 words
A device according to claim 15 further comprising: read out means for reading out the signal stored in said storage means.
Claim 22
Dependent Claim 12 words
A device according to claim 15, wherein anti-blooming part is overflow drain.
Claim 23
Dependent Claim 12 words
A device according to claim 16, wherein anti-blooming part is overflow drain.
Claim 24
Dependent Claim 13 words
A device according to claim 17, wherein said anti-blooming part is overflow drain.
Claim 25
Independent Claim 128 words
A device comprising: (A) sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; (B) storage means for storing a signal, said storage means being disposed adjacent said sensing means; and (C) transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during the same time interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 26
Independent Claim 128 words
A device comprising: (A) sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; (B) storage means for storing a signal, said storage means being disposed adjacent said sensing means; and (C) transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during the same time interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 27
Dependent Claim 36 words
A device according to claim 21 further comprising: change over means for changing over between said first mode and said second mode; and read out means for reading out the signal stored in said storage means.
Claim 28
Dependent Claim 127 words
A drive device for a system which comprises radiation-signal conversion elements arranged in a matrix and storage elements arranged in a matrix for storing signals by converting operation of said conversion elements, said drive device comprising: (a) first means for driving said radiation-signal conversion elements and transferring said signal in the direction of said storage elements; (b) second means for driving said storage elements and transferring said signal in the same direction as that of said first means; and (c) control means for driving said first and second means, wherein both said first and second means are operated for every field time interval of a standard television signal and said first means is operated in a time interval between the operation of both first and second means.
Claim 29
Dependent Claim 127 words
A drive device for a system which comprises radiation-signal conversion elements arranged in a matrix and storage elements arranged in a matrix for storing signals by converting operation of said conversion elements, said drive device comprising: (a) first means for driving said radiation-signal conversion elements and transferring said signal in the direction of said storage elements; (b) second means for driving said storage elements and transferring said signal in the same direction as that of said first means; and (c) control means for driving said first and second means, wherein both said first and second means are operated for every field time interval of a standard television signal and said first means is operated in a time interval between the operation of both first and second means.
Claim 30
Dependent Claim 34 words
A drive device according to claim 23, wherein said first means drives said radiation-signal elements to transfer signals generated by said radiation-signal elements in the direction of said storage means one line by one.
Claim 31
Dependent Claim 38 words
A drive device according to claim 24, wherein said second means drives said storage elements to transfer said signal stored in said storage elements in the same direction as that of said first means one line by one.
Claim 32
Dependent Claim 61 words
A drive device according to claim 25, wherein said control means drives both said first and second means for transferring signals one line by one at least a number of times that is the same as the number of said radiation-signal conversion elements when both said first and second means are operated for every time interval of a standard television signal.
Claim 33
Dependent Claim 47 words
A drive device according to claim 26, wherein said control means drives said first means transferring signals one line by one at least a number of times that is the same as the number of columns of said signal conversion elements when said first means are operated.
Claim 34
Dependent Claim 74 words
A drive device according to claim 23, wherein said control means includes: (a) means for generating a first signal at every field time interval of a standard television signal; (b) means for generating a second signal at the time interval of said field time interval; (c) means for driving said first and second means in response to said first signal; and (d) means for driving said first means in response to said second signal.
Claim 35
Dependent Claim 25 words
A drive device according to claim 28, wherein the timing when said second signal is generated in said second signal generating means is manually adjustable.
Claim 36
Dependent Claim 36 words
A drive device according to claim 28, wherein the timing when said second signal is generated in said second signal generating means is controlled in accordance with intensity of incident radiation on said radiation-signal conversion elements.
Claim 37
Independent Claim 148 words
A device comprising: (a) radiation-signal conversion elements arranged in a matrix, each of said elements converting radiation incident thereon into a signal and transferring the signal; (b) storage element arranged in a matrix for storing a signal generated by the conversion operation of said radiation-signal conversion element, each of said storage elements also transferring a signal; (c) first means for driving said radiation-signal conversion elements and transferring said signal in the direction of said storage elements; (d) second means for driving said storage elements and transferring said signal in the same direction as that of said first means; and (e) control means for driving said first and second means, wherein both said first and second means are operated for every field time interval of a standard television signal and said first means is operated at a time interval between the operation of both said first and second means.
Claim 38
Independent Claim 148 words
A device comprising: (a) radiation-signal conversion elements arranged in a matrix, each of said elements converting radiation incident thereon into a signal and transferring the signal; (b) storage element arranged in a matrix for storing a signal generated by the conversion operation of said radiation-signal conversion element, each of said storage elements also transferring a signal; (c) first means for driving said radiation-signal conversion elements and transferring said signal in the direction of said storage elements; (d) second means for driving said storage elements and transferring said signal in the same direction as that of said first means; and (e) control means for driving said first and second means, wherein both said first and second means are operated for every field time interval of a standard television signal and said first means is operated at a time interval between the operation of both said first and second means.
Claim 39
Dependent Claim 34 words
A device according to claim 31, wherein said first means drives said radiation-signal elements to transfer said signal generated by said radiation-signal elements in the direction of said storage means one line by one.
Claim 40
Dependent Claim 37 words
A device according to claim 32, wherein said second means drives both said storage elements to transfer said signal stored in said storage elements in the same direction as that of said first means row by row.
Claim 41
Dependent Claim 63 words
A device according to claim 33, wherein said control means drives both said first and second means for transferring said signal one line by one at least a number of times that is the same as the number of columns of said radiation-signal conversion elements when both said first and second means are operated for every time interval of a standard television signal.
Claim 42
Dependent Claim 48 words
A device according to claim 34, wherein said control means drives said first means for transferring said signal one line by one at least a number of times that is the same as the number of columns of said radiation-signal conversion elements when said first means are operated.
Claim 43
Dependent Claim 71 words
A device according to claim 31, wherein said control means includes: (a) means for generating a first signal at every field time interval of a standard television signal; (b) means for generating a second signal at a time interval of said field interval; (c) means for driving said first and second means in response to said first signal, (d) means for driving said first means in response to said second signal.
Claim 44
Dependent Claim 24 words
A device according to claim 36, wherein a timing when said second signal is generated in said second signal generating means is manually adjustable.
Claim 45
Dependent Claim 36 words
A device according to claim 36, wherein a timing when said second signal is generated in said second signal generating means is controlled in accordance with the intensity of incident radiation on said radiation-signal conversion elements.
Claim 46
Dependent Claim 43 words
A device according to claim 31 further comprising: overflow preventing means disposed in said radiation-signal conversion elements arranged in a matrix for preventing generation of a signal from said radiation-conversion elements through overflow when said first means is operated by said control means.
Claim 47
Dependent Claim 18 words
A method according to claim 1, further comprising the step of preventing said image sensing part from overflowing.
Claim 48
Dependent Claim 20 words
A method according to claim 40, wherein said overflow preventing step is performed by means provided in image sensing part.
Claim 49
Dependent Claim 15 words
A method according to claim 41, wherein said overflow preventing means is an overflow drain.
Claim 50
Independent Claim 121 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means, and transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during a portion of a predetermined time interval; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 51
Independent Claim 121 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means, and transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during a portion of a predetermined time interval; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 52
Dependent Claim 36 words
A device according to claim 43 further comprising: change over means for changing over between said first mode and said second mode; and read out means for reading out the signal stored in said storage means.
Claim 53
Dependent Claim 14 words
A device according to claim 43, wherein said predetermined time interval is constant interval.
Claim 54
Independent Claim 123 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means, and transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred during a portion of the same interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 55
Independent Claim 123 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means, and transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred during a portion of the same interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode.
Claim 56
Dependent Claim 36 words
A device according to claim 46 further comprising: change over means for changing over between said first mode and said second mode; and read out means for reading out the signal stored in said storage means.
Claim 57
Dependent Claim 23 words
A device according to claim 46, wherein said first mode is a mode in which an electrical signal is transferred to be erased.
Claim 58
Independent Claim 142 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means; transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during a portion of a predetermined time interval; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode; and control means for controlling said second mode of said transfer means according to a switching operation of the standard television signal.
Claim 59
Independent Claim 142 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means; transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred in the direction of said storage means during a portion of a predetermined time interval; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode; and control means for controlling said second mode of said transfer means according to a switching operation of the standard television signal.
Claim 60
Dependent Claim 36 words
A device according to claim 49 further comprising: change over means for changing over between said first mode and said second mode; and read out means for reading out the signal stored in said storage means.
Claim 61
Dependent Claim 14 words
A device according to claim 49, wherein said predetermined time interval is constant interval.
Claim 62
Independent Claim 143 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means; transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred during a portion of the same interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode; and control means for controlling said second mode of said transfer means according to a switching operation of standard television signal.
Claim 63
Independent Claim 143 words
A device comprising: sensing means having a matrix of sensing elements, said sensing means converting radiation into an electrical signal; storage means for storing a signal, said storage means being disposed adjacent said sensing means; transfer means for transferring said electrical signal, said transfer means transferring said signal in two modes including: (1) a first mode in which said electrical signal is transferred during a portion of the same interval as a field time interval of a standard television signal; and (2) a second mode in which charge is transferred from said sensing means into said storage means during a portion of the field time interval of a standard television signal and at a different timing from that of said first mode; and control means for controlling said second mode of said transfer means according to a switching operation of standard television signal.
Claim 64
Dependent Claim 36 words
A device according to claim 52, further comprising: change over means for changing over between said first mode and said second mode; and read out means for reading out the signal stored in said storage means.
Claim 65
Dependent Claim 23 words
A device according to claim 52, wherein said first mode is a mode in which an electrical signal is transferred to be erased.
Claim 66
Dependent Claim 26 words
A driving method according to claim 7, wherein said third step is performed at a later timing during said first period as said object is brighter.

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