Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1977-06-08
1979-08-21
Trafton, David L.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
343 5VQ, 340721, 340744, 340799, G06K 1520
Patent
active
041655060
ABSTRACT:
A control unit for the brightness of video signals on a raster scan display is provided with a random-access memory. The data stored in each element of this memory determines the brightness of the video signals on the raster scan display at a position corresponding with this element. In response to the video data supplied to the control unit and the brightness data in the random-access memory a logical unit provides new brightness data which overwrites the brightness data in the memory.
REFERENCES:
patent: 3633173 (1972-01-01), Edge
patent: 3810174 (1974-05-01), Heard et al.
patent: 3944998 (1976-03-01), Perkins
patent: 3964064 (1976-06-01), Brandao et al.
patent: 3967268 (1976-06-01), Roberts
patent: 3995269 (1976-11-01), Schumacher
patent: 4071843 (1978-01-01), Marien
Brands Antoon H.
Gietema Jouke
Briody Thomas A.
Cannon, Jr. James J.
Connors, Jr. Edward J.
Hollandse Signaalapparaten B.V.
Trafton David L.
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