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公开(公告)号：DK328576A
公开(公告)日：1977-01-23
申请号：DK328576
申请日：1976-07-21
Applicant: IBM
Inventor： WILLIAMS C , EVANS P J
Abstract: In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.
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Patent Agency Ranking
公开(公告)号：DK144347B
公开(公告)日：1982-02-22
申请号：DK328576
申请日：1976-07-21
Applicant: IBM
Inventor： WILLIAMS C , EVANS P J
Abstract: In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.
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公开(公告)号：SE417874B
公开(公告)日：1981-04-13
申请号：SE7607210
申请日：1976-06-23
Applicant: IBM
Inventor： WILLIAMS C , EVANS P J
Abstract: In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.
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公开(公告)号：DK144347C
公开(公告)日：1982-07-26
申请号：DK328576
申请日：1976-07-21
Applicant: IBM
Inventor： WILLIAMS C , EVANS P J
Abstract: In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.
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公开(公告)号：AU518903B2
公开(公告)日：1981-10-29
申请号：AU3983378
申请日：1978-09-13
Applicant: IBM
Inventor： EVANS P J
Abstract: This specification describes image rotation hardware for allowing the displaying of an image stored in digital form in other than its originally stored orientation. In this hardware a word-organized image buffer stores a digital representation of a full image with each picture element (pel) of the full image being represented by a bit within the buffer. The buffer is divided into a plurality of square sections each storing a portion or subimage of the full image. Each section is nxn bits in size where n is the number of bits in a word stored in the buffer. The contents of each square section of the buffer can be transferred into an nxn storage array with first word organization, and then transferred back into the buffer with second word organization such that the subimage stored by the square section is rotated through 90 DEG .
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公开(公告)号：SE7607210L
公开(公告)日：1977-01-23
申请号：SE7607210
申请日：1976-06-23
Applicant: IBM
Inventor： WILLIAMS C , EVANS P J
Abstract: In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.
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