US PATENT SUBCLASS 348 / 493
.~.~.~ Luminance plus dual-phase modulated color carrier


Current as of: June, 1999
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348 /   HD   TELEVISION

469  DF  FORMAT {6}
488  DF  .~ Specified color signal format {4}
492  DF  .~.~ Simultaneous signals {2}
493.~.~.~ Luminance plus dual-phase modulated color carrier


DEFINITION

Classification: 348/493

Luminance plus dual-phase modulated color carrier:

(under subclass 492) Subject matter in which one signal conveys brightness or black and white information and a second carrier signal conveys two distinct quantities of color information at either two distinct phases or phase and amplitude.