(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.
