Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Patent
1994-09-16
1996-10-15
Brier, Jeffery
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
345904, 345 13, G09G 104
Patent
active
055658970
ABSTRACT:
A system for adjusting signals to a CRT in a video monitor utilizes an interactive display having shapes that appear rectangular on a properly adjusted monitor and dragging handles associated with the shapes. Control routines executed on a host computer associate pointer position and movement in dragging the handles with creation of signals to be sent to the monitor to correct signals to the CRT to produce a properly sized, positioned, and shaped display. In one embodiment, digital values are placed in serial packets on a VSYNC line from the host to the video monitor, and a microcontroller in the monitor receives the digital values and drives circuitry in the monitor according to the received commands and data to adjust the signals to the CRT to correct the display.
REFERENCES:
patent: 5214499 (1993-05-01), Gleim et al.
patent: 5216504 (1993-06-01), Webb et al.
patent: 5241281 (1993-08-01), Wilkes et al.
patent: 5260785 (1993-11-01), Gleim et al.
patent: 5266938 (1993-11-01), Mogi et al.
patent: 5448263 (1995-09-01), Martin
Dornier Pascal
Kikinis Dan
Boys Donald R.
Brier Jeffery
Elonex Technologies, Inc.
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