US PATENT SUBCLASS 332 / 182
.~.~ Grid circuit modulation

Current as of: June, 1999
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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
179  DF  .~ Including electron discharge device {3}
182.~.~ Grid circuit modulation

DEFINITION

Classification: 332/182

Grid circuit modulation:

(under subclass 179) Subject matter including an electronic tube which generates or amplifies the carrier, and in which the modulating signal is applied to the grid circuit of the tube or controls a circuit element in the grid circuit.