US PATENT SUBCLASS 348 / 457
.~.~ Frequency change of subcarrier

Current as of: June, 1999
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348 /   HD   TELEVISION

441  DF  FORMAT CONVERSION {9}
453  DF  .~ Specified chrominance processing {3}
457.~.~ Frequency change of subcarrier

DEFINITION

Classification: 348/457

Frequency change of subcarrier:

(under subclass 453) Subject matter including a means for changing the frequency of the subcarrier.