US PATENT SUBCLASS 348 / 444
.~.~ Specified chrominance signal

Current as of: June, 1999
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348 /   HD   TELEVISION

441  DF  FORMAT CONVERSION {9}
443  DF  .~ Involving both line number and field rate conversion (e.g., PAL to NTSC) {1}
444.~.~ Specified chrominance signal

DEFINITION

Classification: 348/444

Specified chrominance signal:

(under subclass 443) Subject matter including structure or process for converting a first chrominance signal into a second chrominance signal (e.g., converting from the quadrature modulated NTSC chrominance to either the line reversing PAL quadrature signal or the line alternating frequency modulated SECAM chrominance).