US PATENT SUBCLASS 315 / 5.17
.~.~.~.~.~.~ Feedback by ray

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}
5.14  DF  .~.~.~.~ Plural rays pass through or in the hollow device {2}
5.16  DF  .~.~.~.~.~ Plural hollow devices {1}
5.17.~.~.~.~.~.~ Feedback by ray

DEFINITION

Classification: 315/5.17

(under subclass 5.16) Subject matter wherein one of the rays is projected in a reverse direction from the other ray or rays through the respective hollow devices, to constitute a feedback coupling from the output to the input device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5.44+, for plural hollow distributed parameter devices having a ray passing through or in, and a feedback connection between the devices.