US PATENT SUBCLASS 348 / 732
.~.~ Search tuning


Current as of: June, 1999
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348 /   HD   TELEVISION

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


DEFINITION

Classification: 348/732

Search tuning:

(under subclass 731) Subject matter including apparatus to cause the tuner to cycle through a plurality of possibly active channels or stations and cease such cycling upon reception of a usable signal.

(1) Note. Included herein is apparatus associated with television search tuners to assure proper tuning of the received signal.

SEE OR SEARCH CLASS

455, Telecommunications,

77, for transceivers with automatic tuning and subclasses 161.1+ for analog modulated carrier wave receivers with signal selection by frequency scan tuning.