US PATENT SUBCLASS 327 / 123
.~.~.~ With particular tube or distributed parameter element

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
113  DF  .~ Frequency or repetition rate conversion or control {3}
119  DF  .~.~ Frequency multiplication (e.g., harmonic generation, etc.) {3}
123.~.~.~ With particular tube or distributed parameter element

DEFINITION

Classification: 327/123

With particular tube or distributed parameter element:

(under subclass 119) Subject matter wherein a harmonic producing device comprises a particular electron space

discharge device or an element whose respective impedance cannot be considered to be concentrated at a point.

SEE OR SEARCH THIS CLASS, SUBCLASS:

593, for miscellaneous circuits with distributed parameter elements.

SEE OR SEARCH CLASS

331, Oscillators,

76, for oscillators combined with electron space discharge tube harmonic generating or selecting.