Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1977-12-20
1980-02-19
Caldwell, Sr., John W.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340721, 340747, 340799, 273 85G, 273DIG28, 273313, G06F 314, G06K 1520
Patent
active
041897285
ABSTRACT:
In a video game where several objects are moved across the screen in a horizontal axis in 16 different zones, a RAM type memory has memory locations exclusively dedicated to each zone to provide a starting address for the object in its zone. A single time shared horizontal counter responds to the various starting addresses to successively cause video signals to be generated which provides images of such objects.
REFERENCES:
patent: 3889253 (1975-06-01), Ross
patent: 4016362 (1977-04-01), Bristow et al.
patent: 4026555 (1977-05-01), Kir schner
patent: 4045789 (1977-08-01), Bristow
Gametronics vol. 1, 1975, pp. 31-43, Li, Kam, "An Approach to Microprocessor-Based Game Architecture.".
Atari Inc.
Caldwell Sr. John W.
Miller Joel
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