US PATENT SUBCLASS 348 / 491
.~.~ Simultaneous and sequential (e.g., SECAM)

Current as of: June, 1999
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469  DF  FORMAT {6}
488  DF  .~ Specified color signal format {4}
491.~.~ Simultaneous and sequential (e.g., SECAM)

DEFINITION

Classification: 348/491

Simultaneous and sequential (e.g., SECAM):

(under subclass 488) Subject matter wherein a single color or luminance signal is transmitted continuously while at least two additional color signals are transmitted alternately at a rate substantially less than the pixel or elemental rate.