US PATENT SUBCLASS 315 / 5.11
.~.~.~.~ With a secondary emission stage

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}
5.11.~.~.~.~ With a secondary emission stage {1}
5.12  DF  .~.~.~.~.~> Secondary emission passes through or in the hollow device

DEFINITION

Classification: 315/5.11

(under subclass 5) Subject matter including a secondary emission electrode on which the ray impinges to produce another ray or to augment the impinging ray.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5.14+, for a hollow distributed parameter device having a plurality of rays passing through or in.

12.1, for cathode-ray tube circuits generally with secondary emission.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

399+, for cathode-ray tubes, per se, having a secondary emission electrode.