US PATENT SUBCLASS 348 / 659
.~ Matrixing or mixing

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
659.~ Matrixing or mixing {2}
660  DF  .~.~> Digital
661  DF  .~.~> Masking (e.g., R, G, B to R', G', B')

DEFINITION

Classification: 348/659

Matrixing or mixing:

(under subclass 571) Subject matter including specific circuitry for combining plural signals.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, particularly

105+, for miscellaneous synthesizing circuits and subclass 361 for miscellaneous mathematical summing of two input signals.

330, Amplifiers,

69, for sum and difference amplifiers.