Digital video display employing minimal visual conveyance
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1. A method for minimizing display screen updating in a display device comprising at least in part a display processing unit and a display screen,wherein said display screen comprises at least in part pixels capable of sustained image display without constant refreshing,said method comprising the following steps:
- a display processing unit receiving for display a first data block designated for a first area of said display screen,wherein said first data block is not designated as comprising dynamic data requiring video frame rate updating;
receiving for display a second data block designated for a second area of said display screen,wherein said second data block designated by type as dynamic data comprising successive images requiring video frame rate updating;
displaying said first data block in said first area of said display screen;
displaying a first video image of said second data block in said second area of said display screen;
displaying at least one next successive image of said dynamic data at said video frame rate in said second area without updating said first area of said display screen.
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Abstract
Select areas and specific pixels of a digital video display screen may be updated at video frame rate while other areas or pixels are not updated at video frame rate. Further, select pixels may be updated more than once within the normal update timing of a single video frame. Selective updating may be accomplished by indicating data video processing requirements.
78 Citations
17 Claims
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1. A method for minimizing display screen updating in a display device comprising at least in part a display processing unit and a display screen,
wherein said display screen comprises at least in part pixels capable of sustained image display without constant refreshing, said method comprising the following steps: -
a display processing unit receiving for display a first data block designated for a first area of said display screen, wherein said first data block is not designated as comprising dynamic data requiring video frame rate updating; receiving for display a second data block designated for a second area of said display screen, wherein said second data block designated by type as dynamic data comprising successive images requiring video frame rate updating; displaying said first data block in said first area of said display screen; displaying a first video image of said second data block in said second area of said display screen; displaying at least one next successive image of said dynamic data at said video frame rate in said second area without updating said first area of said display screen. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for minimizing display screen updating in a display device comprising at least in part a display processing unit and a display screen,
wherein said display screen comprises at least in part pixels capable of sustained image display without constant refreshing, said method comprising the following steps: -
a display processing unit receiving a plurality of data blocks for display on different specified areas of a display screen, wherein each said data block comprises at least in part type data indicating whether said data block is dynamic data requiring video frame rate updating; displaying at least two said data blocks in different areas of said display screen, wherein at least one first data block is dynamic data; repeatedly updating at least a portion of the pixels in at least one display area comprising dynamic data at video frame rate without updating at least one area of the screen displaying data not indicated as dynamic data. - View Dependent Claims (8, 9, 10)
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11. A method for minimizing display screen updating in a display device comprising at least in part a display processing unit and a display screen,
wherein said display screen comprises at least in part pixels capable of sustained image display without constant refreshing, said method comprising the following steps: -
a display processing unit receiving for display a first data block designated for a first area of a display screen, wherein said first data block comprises at least one image of dynamic data, wherein said dynamic data comprises a series of successive images requiring video frame rate updating; receiving for display a second data block designated for a second area of said display screen, wherein said second area at least in part within said first area; displaying said first data in said first area of said display screen; displaying a series of successive images of said dynamic data at said video frame rate in said first area, whereby at least once updating only a portion of the pixels in said first area during transitional display from one image to the next successive image; displaying said second data and at least once updating display of at least a portion of said second data when pixels of said second data are overwritten during display of at least one said successive image of said dynamic data. - View Dependent Claims (12, 13, 14)
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15. A display device comprising:
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a display screen comprising at least in part location-addressable pixels; display screen pixels capable of sustained image display without constant refreshing; a clock driven display processing unit; said clock operating at a frequency for providing an display update interval to said display processing unit; said display processing unit for receiving and displaying on said display screen a plurality of images by type, said type for specifying required update frequency, wherein said display processing unit, within a single clock-driven update interval, updates at most a portion of said display screen pixels by address location based upon typed image data, wherein said updated portion does not comprise all display screen pixels. - View Dependent Claims (16)
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17. A method for minimizing display screen updating in a display device comprising at least in part a clock-driven display processing unit and a display screen,
wherein said clock operates at a frequency providing an display update interval to said display processing unit, and wherein said display screen comprises at least in part location-addressable pixels, said pixels capable of sustained image display without constant refreshing, said method comprising the following steps: -
a display processing unit receiving for display a first data block of a first type designated for a first specified area of said display screen, wherein said first area excludes at least a second area of said display screen; said display processing unit receiving for display a second data block of a second type different from said first data block, wherein said second data block is designated for said second area of said display screen; said displaying processing unit displaying said first and second data blocks in a first display update interval; said display processing unit receiving for display a third data block of said first type designated for said first specified area of said display screen; said display processing unit updating in a second update interval said first specified area of said display screen with said third data block without updating said second area of said display screen.
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Specification