US PATENT SUBCLASS 348 / 738
.~ Sound circuit

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


348 /   HD   TELEVISION

725  DF  RECEIVER CIRCUITRY {10}
738.~ Sound circuit

DEFINITION

Classification: 348/738

Sound circuit:

(under subclass 725) Subject matter including apparatus at the receiver specially designed to separate from the image signal component, detect or otherwise process the sound signal component of a received composite television signal.

SEE OR SEARCH CLASS

329, Demodulators,

315+, for frequency demodulators and subclasses 345+ for phase demodulators.