US PATENT SUBCLASS 348 / 731-- .~ Tuning

US PATENT SUBCLASS 348 / 731
.~ Tuning

Current as of: June, 1999
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348 /	HD	TELEVISION

725	DF	RECEIVER CIRCUITRY {10}
731		.~ Tuning {2}
732	DF	.~.~> Search tuning
733	DF	.~.~> Tuning voltage

DEFINITION

Classification: 348/731

Tuning:

(under subclass 725) Subject matter including apparatus for adjusting the receiver to operate at a specified frequency.

(1) Note. Both manual and electronic television tuners are found herein.

SEE OR SEARCH CLASS

334, Tuners, appropriate subclasses for tuners, per se, with channel or station selection means.

455, Telecommunications,

77+, for analog modulated carrier wave transceivers with tuning and subclasses 150.1+ for analog modulated carrier wave receivers with signal selection by tuning a desired carrier frequency.