US PATENT SUBCLASS 455 / 147
.~.~ Particular local oscillator control


Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
145  DF  .~ Panoramic display {3}
147.~.~ Particular local oscillator control


DEFINITION

Classification: 455/147

Particular local oscillator control:

(under subclass 145) Subject matter wherein the receiver includes particular means whereby the frequency of the local oscillator means is maintained constant or whereby some other operating condition of the oscillator means is controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

164.1, for scanning receivers with automatic frequency control.

173.1, for mechanical or electromechanical frequency selection means with automatic frequency control.

182.1, for channel or station selection with automatic frequency control.

208+, for frequency or phase modulation type receivers with synchronized or controlled local oscillator means.

255+, for automatic frequency control systems for receivers

in general. 316, for receivers with frequency conversion means with frequency stabilizing means for the local oscillator.