US5978041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image display system
Assignee: Maxell Ltd
•
Filing: 1995-10-24
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Granted: 1999-11-02
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Expires: 2015-10-24
Abstract
Abstract An image display system includes a display circuit which displays an image composed of a plurality of sub-images, an input circuit which inputs a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames, a designating circuit which designates timings of composition positions of the sub-image on scan lines of the certain image, and one control circuit which controls at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing designated by the designating circuit.
Inventors
- 👤 Kouzou Masuda
- 👤 Ikuya Arai
- 👤 Sadao Tsuruga
- 👤 Jiro Kawasaki
- 👤 Tsuyoshi Sano
- 👤 Tamotsu Nagabayashi
- 👤 Ryuuichi Someya
- 👤 Fumio Inoue
- 👤 Kouji Kitou
- 👤 Yasuhiro Imai
- 👤 Masatoshi Hirose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:13
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126; H04N21/00; H04N21/40; H04N21/43; H04N21/431; H04N21/4312; H04N21/4316; H04N21/47; H04N5/44; H04N5/445; H04N5/45; H04N5/52; H04N5/57; H04N7/00; H04N7/01; H04N7/0117; H04N7/012
Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
163 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; a plurality of video output means having different gains; a switch for selecting a video output means for obtaining a predetermined gain from the plurality of video output means; and control means for switching the switch for the converted interlace scanned image in accordance with the gain control signal.
Claim 2
Dependent Claim
163 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; a plurality of video output means having different gains; a switch for selecting a video output means for obtaining a predetermined gain from the plurality of video output means; and control means for switching the switch for the converted interlace scanned image in accordance with the gain control signal.
Claim 3
Dependent Claim
172 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; current feedback video output means; a plurality of input resistors for setting a gain of the current feedback video output means; a switch for selecting a resistor for obtaining a predetermined gain from the plurality of input resistors; and control means for switching the switch for the converted interlace scanned image in accordance with the gain control signal.
Claim 4
Dependent Claim
172 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; current feedback video output means; a plurality of input resistors for setting a gain of the current feedback video output means; a switch for selecting a resistor for obtaining a predetermined gain from the plurality of input resistors; and control means for switching the switch for the converted interlace scanned image in accordance with the gain control signal.
Claim 5
Dependent Claim
40 words
An image display system according to claim 2, further comprising: a plurality of power sources having different voltages; and a switch for selecting one of the plurality of power sources to supply power to the current feedback video output means.
Claim 6
Dependent Claim
150 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; variable gain video output means for varying a gain; and control means for controlling the gain of the variable gain video output means for the converted interlace scanned image in accordance with the gain control signal.
Claim 7
Dependent Claim
150 words
A display device for inputting a plurality of input video signals including at least one non-interlace scanned video signal and at least one interlace scanned video signal and composing a screen corresponding to the at least one non-interlace scanned video signal and the at least one interlace scanned video signal within the screen, the display device comprising: a scan converter incorporated in the display device, the scan converter including means for converting an image corresponding to the at least one interlace scanned video signal to a converted interlace scanned image having periods of dark scanned lines, and means for generating a gain control signal for intensifying a brightness of the converted interlace scanned image; variable gain video output means for varying a gain; and control means for controlling the gain of the variable gain video output means for the converted interlace scanned image in accordance with the gain control signal.
Claim 8
Dependent Claim
67 words
An image display system according to claim 4, further comprising: a plurality of power sources having different voltages for setting the gain of the variable gain video output means; a switch for selecting a power source for obtaining a predetermined gain from the plurality of power sources; and control means for switching the switch for the converted interlace scanned image in accordance with the gain control signal.
Claim 9
Dependent Claim
42 words
An image display system according to claim 4, further comprising: a video processor for varying and setting a color temperature of an image; and control means for controlling the color temperature set by the video processor for the converted interlace scanned image.
Claim 10
Dependent Claim
44 words
An image display system according to claim 4, further comprising: a video processor for varying and setting a gamma correction factor of an image; and control means for controlling the gamma correction factor set by the video processor for the converted interlace scanned image.
Claim 11
Dependent Claim
103 words
An image display system comprising: display means for displaying an image composed of a plurality of sub-images; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; designating means for designating timings of composition positions of the sub-image on scan lines of the certain image; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing designated by the designating means.
Claim 12
Dependent Claim
103 words
An image display system comprising: display means for displaying an image composed of a plurality of sub-images; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; designating means for designating timings of composition positions of the sub-image on scan lines of the certain image; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing designated by the designating means.
Claim 13
Dependent Claim
32 words
An image display system according to claim 8, wherein the control of the at least one of an amplitude level and a DC level is executed on a digitally converted video signal.
Claim 14
Dependent Claim
103 words
An image display system comprising: display means for displaying an image composed of a plurality of sub-images; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; detecting means for detecting timings of composition positions of the sub-image on scan lines of the certain image; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing detected by the detecting means.
Claim 15
Dependent Claim
103 words
An image display system comprising: display means for displaying an image composed of a plurality of sub-images; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; detecting means for detecting timings of composition positions of the sub-image on scan lines of the certain image; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to an area of the sub-image detected by the timing detected by the detecting means.
Claim 16
Dependent Claim
26 words
An image display system according to claim 10, wherein the one set of control means includes framework detection means for detecting a framework of the sub-image.
Claim 17
Dependent Claim
25 words
An image display system according to claim 10, wherein the one set of control means includes motion detection means for detecting motion in the sub-image.
Claim 18
Dependent Claim
117 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to a specific area in the embedded sub-image.
Claim 19
Dependent Claim
117 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; and one set of control means for controlling at least one of an amplitude level and a DC level of image signals corresponding to a specific area in the embedded sub-image.
Claim 20
Dependent Claim
180 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; an adder for adding an output of the amplitude control power source and an output of another system power source, for controlling the adjusting means by an output thereof; and one set of control means for controlling an amplitude level of image signals in a display area in any image of the display means, in accordance with the output of the another system power source.
Claim 21
Dependent Claim
180 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; an adder for adding an output of the amplitude control power source and an output of another system power source, for controlling the adjusting means by an output thereof; and one set of control means for controlling an amplitude level of image signals in a display area in any image of the display means, in accordance with the output of the another system power source.
Claim 22
Dependent Claim
239 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; designating means for designating any display area in the image of the display means, by a control signal for controlling selection of the selection means; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the at least one of a plurality of power sources other than the amplitude control power source.
Claim 23
Dependent Claim
239 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; designating means for designating any display area in the image of the display means, by a control signal for controlling selection of the selection means; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the at least one of a plurality of power sources other than the amplitude control power source.
Claim 24
Dependent Claim
251 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a timing generator for generating a timing signal for switching and controlling the selection means; designating means for designating any display area in the image of the display means, by control information inputted to the timing generator; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the at least one of a plurality of power sources other than the amplitude control power source.
Claim 25
Dependent Claim
251 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a timing generator for generating a timing signal for switching and controlling the selection means; designating means for designating any display area in the image of the display means, by control information inputted to the timing generator; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the at least one of a plurality of power sources other than the amplitude control power source.
Claim 26
Dependent Claim
74 words
An image display system according to claim 16, wherein the control information inputted to the timing generator is a start position and an end position of any display area in the image of the display means, or the start position, a horizontal section of the display area, and a vertical section of the display area, or the end position, the horizontal section of the display area, and the vertical section of the display area.
Claim 27
Dependent Claim
260 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a timing generator for generating a timing signal for switching and controlling the selection means, and for voltage control of the at least one of a plurality of power sources other than the amplitude control power source; designating means for designating a specific display area in the image of the display means, by control information inputted to the timing generator; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the control information.
Claim 28
Dependent Claim
260 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a timing generator for generating a timing signal for switching and controlling the selection means, and for voltage control of the at least one of a plurality of power sources other than the amplitude control power source; designating means for designating a specific display area in the image of the display means, by control information inputted to the timing generator; and one set of control means for controlling an amplitude level of the designated display area in the image of the display means, in accordance with the control information.
Claim 29
Dependent Claim
87 words
An image display system according to claim 18, wherein the control information inputted to the timing generator is at least one of a start position, an end position, and a brightness level of any display area in the image of the display means, and the start position, a horizontal section of the display area, a vertical section of the display area, and the brightness level, and the end position, the horizontal section of the display area, the vertical section of the display area, and the brightness level.
Claim 30
Dependent Claim
207 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; and one set of control means for controlling an amplitude level of any of a plurality of display areas in the image of the display means, in accordance with a control signal of the selection means.
Claim 31
Dependent Claim
207 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; an adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; and one set of control means for controlling an amplitude level of any of a plurality of display areas in the image of the display means, in accordance with a control signal of the selection means.
Claim 32
Dependent Claim
275 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; a first adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a second adder for adding an output of the DC control power source and an output of a power source other than the DC control power source, for controlling the DC control means by an output thereof; and one set of control means for controlling an amplitude level of any display area in the image of the display means in accordance with the output of the selected control power source, and for controlling a DC level of any display area in the image of the display means in accordance with the output of the power source other than the DC control power source.
Claim 33
Dependent Claim
275 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; adjusting means for adjusting an amplitude level of image signals inputted to the display means; DC control means for controlling a DC level of image signals inputted to the display means; an amplitude control power source for supplying a control voltage to the adjusting means; a DC control power source for supplying a control voltage to the DC control means; selection means for selecting at least one of a plurality of power sources other than the amplitude control power source; a first adder for adding an output of the amplitude control power source and an output of the selected power source other than the amplitude control power source, for controlling the adjusting means by an output thereof; a second adder for adding an output of the DC control power source and an output of a power source other than the DC control power source, for controlling the DC control means by an output thereof; and one set of control means for controlling an amplitude level of any display area in the image of the display means in accordance with the output of the selected control power source, and for controlling a DC level of any display area in the image of the display means in accordance with the output of the power source other than the DC control power source.
Claim 34
Dependent Claim
225 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; an analog to digital converter for converting an analog video signal to a digital video signal; a lookup table for converting data of an output of the analog to digital converter; a digital to analog converter for converting a digital video signal to an analog video signal; adjusting means for adjusting an amplitude level of a video signal; DC control means for controlling a DC level of a video signal; switching means for switching the output of the analog to digital converter to either the lookup table whose output is fed to the digital to analog converter, or directly to the digital to analog converter; switching control means for controlling switching of the switching means and for data rewriting of the lookup table; designating means for designating any display area in the image of the display means, by control information inputted to the switching control means; and one set of control means for controlling at least one of an amplitude level and a DC level of the designated display area.
Claim 35
Dependent Claim
225 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; an analog to digital converter for converting an analog video signal to a digital video signal; a lookup table for converting data of an output of the analog to digital converter; a digital to analog converter for converting a digital video signal to an analog video signal; adjusting means for adjusting an amplitude level of a video signal; DC control means for controlling a DC level of a video signal; switching means for switching the output of the analog to digital converter to either the lookup table whose output is fed to the digital to analog converter, or directly to the digital to analog converter; switching control means for controlling switching of the switching means and for data rewriting of the lookup table; designating means for designating any display area in the image of the display means, by control information inputted to the switching control means; and one set of control means for controlling at least one of an amplitude level and a DC level of the designated display area.
Claim 36
Dependent Claim
175 words
An image display system comprising: input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal; an analog to digital converter for converting an analog video signal of the certain image signal to a digital video signal; a lookup table for converting data of an output of the analog to digital converter based on a display area of the sub-image; image display means driven by a digital video signal; switching means for switching the output of the analog to digital converter to either the lookup table whose output is fed to the image display means, or directly to the image display means; switching control means for controlling switching of the switching means and for data rewriting of the lookup table; designating means for designating any display area in the image of the display means, by control information inputted to the switching control means; and one set of control means for controlling at least one of an amplitude level and a DC level of the designated display area.
Claim 37
Dependent Claim
175 words
An image display system comprising: input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal; an analog to digital converter for converting an analog video signal of the certain image signal to a digital video signal; a lookup table for converting data of an output of the analog to digital converter based on a display area of the sub-image; image display means driven by a digital video signal; switching means for switching the output of the analog to digital converter to either the lookup table whose output is fed to the image display means, or directly to the image display means; switching control means for controlling switching of the switching means and for data rewriting of the lookup table; designating means for designating any display area in the image of the display means, by control information inputted to the switching control means; and one set of control means for controlling at least one of an amplitude level and a DC level of the designated display area.
Claim 38
Dependent Claim
133 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; one set of adjusting means for adjusting an amplitude level of image signals inputted to the display means; one set of DC control means for controlling a DC level of image signals inputted to the display means; and feedback control means for performing a negative feedback control of at least one of an average amplitude level and an average DC level of image signals in any display area in the image and the sub-image of the display means.
Claim 39
Dependent Claim
133 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; one set of adjusting means for adjusting an amplitude level of image signals inputted to the display means; one set of DC control means for controlling a DC level of image signals inputted to the display means; and feedback control means for performing a negative feedback control of at least one of an average amplitude level and an average DC level of image signals in any display area in the image and the sub-image of the display means.
Claim 40
Dependent Claim
139 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; one set of adjusting means for adjusting an amplitude level of image signals inputted to the display means; one set of DC control means for controlling a DC level of image signals inputted to the display means; and means for varying source voltages supplied to at least one of the adjusting means and the DC control means, for controlling at least one of an amplitude level and a DC level of image signals in any display area in the image of the display means.
Claim 41
Dependent Claim
139 words
An image display system comprising: display means for displaying at least one of fields and frames for an image embedded with at least a sub-image; input means for inputting a certain image signal including at least one sub-image embedded in the certain image signal which is provided by at least one of fields and frames; one set of adjusting means for adjusting an amplitude level of image signals inputted to the display means; one set of DC control means for controlling a DC level of image signals inputted to the display means; and means for varying source voltages supplied to at least one of the adjusting means and the DC control means, for controlling at least one of an amplitude level and a DC level of image signals in any display area in the image of the display means.
Claim 42
Dependent Claim
101 words
An image display system comprising: video signal input means for inputting a first video signal based on a text/figure image and a second video signal based on a natural image; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 43
Dependent Claim
101 words
An image display system comprising: video signal input means for inputting a first video signal based on a text/figure image and a second video signal based on a natural image; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 44
Dependent Claim
24 words
An image display system according to claim 26, wherein the first video signal and the second video signal are generated from different signal sources.
Claim 45
Dependent Claim
40 words
An image display system according to claim 26, wherein the first video signal is generated by a personal computer; and wherein the second video signal is a signal reproduced from a recording medium or a memory, or a TV signal.
Claim 46
Dependent Claim
25 words
An image display system according to claim 26, wherein the first video signal and the second video signal are generated from the same signal source.
Claim 47
Dependent Claim
72 words
An image display system according to claim 26, wherein the first video signal is internally generated in a personal computer; wherein the second video signal is a signal outputted from an external device connected to the personal computer, the external device reproducing signals from a recording medium or a memory; and wherein the second video signal from the external device is fed to the video signal input means through the personal computer.
Claim 48
Dependent Claim
107 words
An image display system comprising: video signal input means for inputting a first video signal and a second video signal different from the first video signal, the second video signal being outputted from a personal computer; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 49
Dependent Claim
107 words
An image display system comprising: video signal input means for inputting a first video signal and a second video signal different from the first video signal, the second video signal being outputted from a personal computer; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 50
Dependent Claim
17 words
An image display system according to claim 31, wherein the second video signal is a TV signal.
Claim 51
Dependent Claim
23 words
An image display system according to claim 31, wherein the second video signal is a signal reproduced from a recorded or stored signal.
Claim 52
Dependent Claim
103 words
An image display system comprising: video signal input means for inputting a first video signal internally generated in a personal computer and a second video signal different from the first video signal; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 53
Dependent Claim
103 words
An image display system comprising: video signal input means for inputting a first video signal internally generated in a personal computer and a second video signal different from the first video signal; display control means for controlling a display to simultaneously display a first image corresponding to the first video signal and a second image corresponding to the second video signal on a same screen; and brightness control means for controlling a brightness of the second image to be higher than a brightness of the first image when both of the first image and the second image are displayed on the same screen.
Claim 54
Dependent Claim
17 words
An image display system according to claim 34, wherein the second video signal is a TV signal.
Claim 55
Dependent Claim
23 words
An image display system according to claim 34, wherein the second video signal is a signal reproduced from a recorded or stored signal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-11-01 | 2003-05-03 | 2003-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-01 | 2007-05-03 | 2007-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-01 | 2011-05-03 | 2011-11-02 | $7700.00 | Window Closed / Lapsed |