US PATENT SUBCLASS 332 / 165
.~.~ With electron discharge device

Current as of: June, 1999
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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
163  DF  .~ Including microwave or distributed parameter structure {2}
165.~.~ With electron discharge device {1}
166  DF  .~.~.~> Magnetron type

DEFINITION

Classification: 332/165

With electron discharge device:

(under subclass 163) Subject matter combined with a device which has electrical current flow between two spaced electrodes in a gas, vapor, or vacuum.

(1) Note. This might include, for example, vacuum or gas tubes such as diodes, triodes or pentodes.

(2) Note. Additional control electrodes may be present.