US PATENT SUBCLASS 348 / 453
.~ Specified chrominance processing

Current as of: June, 1999
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441  DF  FORMAT CONVERSION {9}
453.~ Specified chrominance processing {3}
454  DF  .~.~> PAL to NTSC or vice versa
455  DF  .~.~> In which simultaneous signals are converted into sequential signals or vice versa {1}
457  DF  .~.~> Frequency change of subcarrier

DEFINITION

Classification: 348/453

Specified chrominance processing:

(under subclass 441) Subject matter wherein an input color signal and an output color signal differ in the method in which the color information is assembled and wherein the system changes from the first method of assembly to the second method of assembly.