G - Physics – 06 – F
Patent
G - Physics
06
F
272/68, 350/3.5
G06F 3/14 (2006.01) A63F 13/00 (2006.01)
Patent
CA 1082351
TELEVISION DISPLAY CONTROL APPARATUS Abstract of the Disclosure Keyboard-controlled apparatus for producing video signals for standard television receivers includes a random access memory having a multi- plicity of storage positions each of which corresponds to a preselected dis- crete portion of the TV raster. Data stored in the random access memory is sequentially read from memory in synchronism with the scanning of the television receiver so that a desired video signal is generated at each discrete position of the cathode ray beam. Data is read into the random access memory at preselected storage positions depending upon a particular image to be displayed. The data writing process is under the control of a micro-processor which is programmed to cause the stored image data to be varied in accordance with the condition of the user-controlled keyboard.
247574
Haskel Lawrence M.
Kirschner Wallace
Alpex Computer Corp.
Smart & Biggar
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