US PATENT SUBCLASS 386 / 75
.~.~ Having audio

Current as of: June, 1999
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386 /   HD   TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING

46  DF  PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING {25}
68  DF  .~ Fast, slow, or stop reproducing {12}
75.~.~ Having audio

DEFINITION

Classification: 386/75

Having audio:

(under subclass 68) Subject matter including an electrical signal containing frequency in the audible range (15-20,000 hertz).