US PATENT SUBCLASS 348 / 450
.~.~ Specified chrominance processing (e.g., Y/C separation)

Current as of: June, 1999
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348 /   HD   TELEVISION

441  DF  FORMAT CONVERSION {9}
448  DF  .~ Line doublers type (e.g., interlace to progressive IDTV type) {3}
450.~.~ Specified chrominance processing (e.g., Y/C separation) {1}
451  DF  .~.~.~> Motion adaptive

DEFINITION

Classification: 348/450

Specified chrominance processing (e.g., Y/C separation):

(under subclass 448) Subject matter including a means for processing a composite color signal (a signal with a color subcarrier in the luminance band like NTSC, PAL, or SECAM).

(1) Note. The processing is normally chrominance luminance separation wherein the normal field delay used in line doubling is also used as a delay for chrominance luminance separation.