Display data conversion

Details Display data conversion Display data conversion

1987-02-09

1989-07-04

Moore, David K.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340703, 340734, G09G 116

Patent

active

048454885

ABSTRACT:
An image display control signal is developed from a plurality of bit-plane memories having digital image data stored therein, by applying bits corresponding to the same location that are simultaneously read out from the plurality of bit-plane memories to a control input of a respective one of a corresponding plurality of switches. A digital signal representative of a display characteristic (such as intensity) for each of the bit-plane images is applied to a D/A converter for generating an analog display characteristic signal. The analog display characteristic signal for each bit-plane is applied to the signal input of a respective one of the switches. The signal output of each switch is coupled to a processing circuit which processes the analog display characteristic signals for developing the image display control signal. In a preferred embodiment, the processing comprises selecting the analog display characteristic signal corresponding to the greatest image intensity as the image display control signal.

REFERENCES:
patent: 3811040 (1974-05-01), Weinfurt
patent: 4209832 (1980-06-01), Gilham et al.
patent: 4509043 (1985-04-01), Mossaides
patent: 4599610 (1986-07-01), Lacy
patent: 4613906 (1986-09-01), Tanaka et al.
Digital Computer Fundamentals; Bartee; McGraw-Hill; 1960, pp. 80--83.

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