US PATENT SUBCLASS 315 / 5.43
.~.~.~.~.~ Devices of different resonance frequency

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
3  DF  .~ Combined cathode ray tube and circuit element structure {2}
4  DF  .~.~ Inductor or distributed parameter-type inductive structure {2}
5  DF  .~.~.~ Ray passes in or through a hollow distributed parameter device {15}
5.39  DF  .~.~.~.~ Plural hollow devices {6}
5.43.~.~.~.~.~ Devices of different resonance frequency

DEFINITION

Classification: 315/5.43

(under subclass 5.39) Subject matter wherein at least two of the hollow devices are tuned to different resonant frequencies.

(1) Note. Usually the resonant frequencies are harmonically related, and devices so related may be used in frequency multipliers.