US PATENT SUBCLASS 455 / 236.1
.~.~.~.~ Variable conversion efficiency (variable oscillator amplitude, etc.)

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
230  DF  .~ Local control of receiver operation {7}
232.1  DF  .~.~ Gain control {2}
234.1  DF  .~.~.~ Automatic {15}
236.1.~.~.~.~ Variable conversion efficiency (variable oscillator amplitude, etc.)

DEFINITION

Classification: 455/236.1

Variable conversion efficiency (variable oscillator amplitude, etc.):

(under subclass 234.1) Subject matter wherein the receiver is a super heterodyne receiver with a frequency converter wherein the ratio of the output to the input of the frequency converter is variable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

311, for noise or the interference elimination means in converter circuit.

313+, for frequency modifiers or converters.