US PATENT SUBCLASS 348 / 620
.~.~.~.~ Using frame or field delays (e.g., motion adaptive)

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
607  DF  .~ Noise or undesired signal reduction {6}
618  DF  .~.~ For removal of low amplitude random noise (e.g., variable bandwidth) {3}
619  DF  .~.~.~ Averaging type {2}
620.~.~.~.~ Using frame or field delays (e.g., motion adaptive)

DEFINITION

Classification: 348/620

Using frame or field delays (e.g., motion adaptive):

(under subclass 619) Subject matter wherein the pixels that are being averaged are separated by at least about the period of a vertical scan.