Method and system for multiplexing and demultiplexing video sign

Details Method and system for multiplexing and demultiplexing video sign Method and system for multiplexing and demultiplexing video sign

1996-09-06

1998-10-27

Hjerpe, Richard A.

Computer graphics processing and selective visual display system

Plural display systems

Diverse systems

345153, 345155, G09G 500

Patent

active

058283498

ABSTRACT:
A computer graphics and display system is provided, comprising (i) a graphics system for outputting a first plurality of digital color signals; (ii) a first digital-to-analog converter (DAC) for converting the first plurality of digital color signals into a second plurality of analog color signals, the second plurality being less in number than the first plurality; (iii) a first analog-to-digital converter (ADC) for reconverting the second plurality of analog color signals back to the first plurality of digital color signals; and (iv) an LCD display device for receiving the reconverted first plurality of digital color signals. The first and second DACs and the first and second ADCs are implemented within the same integrated circuit (IC) chip. The first plurality of digital color signals comprises red, blue and green even pixels and red, blue and green odd pixels. Each color for both even and odd pixels is encoded onto a single pair of the first DACs by interleaving same color pixels onto the single pair.

REFERENCES:
patent: 4646165 (1987-02-01), Hirota
patent: 4734759 (1988-03-01), Kobori et al.
patent: 5276436 (1994-01-01), Shaw et al.
patent: 5499036 (1996-03-01), Hauck
patent: 5515068 (1996-05-01), Uragami
patent: 5608532 (1997-03-01), Park
patent: 5673058 (1997-09-01), Uragami et al.
patent: 5673065 (1997-09-01), Deleeuw

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