US PATENT SUBCLASS 348 / 640
.~.~ PAL signal

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
638  DF  .~ Chrominance signal demodulator {3}
640.~.~ PAL signal

DEFINITION

Classification: 348/640

PAL signal:

(under subclass 638) Subject matter for demodulating a carrier whose phase is alternated at the line rate.