Television display control apparatus

Details Television display control apparatus Television display control apparatus

1975-03-12

1977-05-31

Trafton, David L.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

178DIG22, 2731022R, 2731022B, 273DIG28, 3401725, 340324AD, 340337, G06F 314, G06K 1520

Patent

active

040265552

ABSTRACT:
Keyboard-controlled apparatus for producing video signals for standard television receivers includes a random access memory having a multiplicity of storage positions each of which corresponds to a preselected discrete 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.

REFERENCES:
patent: 3422419 (1969-01-01), Mathews et al.
patent: 3571807 (1971-03-01), Candy et al.
patent: 3659285 (1972-04-01), Baer et al.
patent: 3750133 (1973-07-01), Helbig et al.
patent: 3793483 (1974-02-01), Bushnell
patent: 3821468 (1974-06-01), Busch
patent: 3836902 (1974-09-01), Okuda et al.
patent: 3874669 (1975-04-01), Ariano et al.
patent: 3936664 (1976-02-01), Sato

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