Television – Image signal processing circuitry specific to television – A/d converters
Patent
1992-08-10
1994-05-17
Groody, James J.
Television
Image signal processing circuitry specific to television
A/d converters
341144, 341154, H04N 514
Patent
active
053133005
ABSTRACT:
A binary to unary decoder for a video digital to analog converter is cascadeable in both a horizontal and a vertical direction. Video data is transmitted from a video data source and received by a plurality of unary decoders which convert the video data to a corresponding number of unary digits having comparable value. The unary decoders are arranged in a number of cascaded levels. A plurality of cascaded unary block drivers receive the unary digits and transit unary output digits to a video data bus. The plurality of unary block drivers are arranged in a number of tiers having a predetermined number of individual unary block drivers. The predetermined number of cascaded unary block drivers are enabled based upon the numerical value of the video data.
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Sheingold, Analog-Digital Conversion Handbook, 1986, pp. 200-201.
Commodore Electronics Limited
Groody James J.
Murrell Jeffrey S.
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