US PATENT SUBCLASS 455 / 140
.~.~ Selectively actuated or controlled

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
132  DF  .~ Plural receivers {4}
140.~.~ Selectively actuated or controlled

DEFINITION

Classification: 455/140

Selectively actuated or controlled:

(under subclass 132) Subject matter where each of the separate receivers may be independently energized, connected to a signal such as an antenna, individually tuned, or otherwise controlled to the exclusion of the others.