US PATENT SUBCLASS 313 / 535
.~.~.~ Venetian blind type

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

523  DF  PHOTOSENSITIVE {12}
532  DF  .~ Photomultiplier {1}
533  DF  .~.~ Having plural dynodes {3}
535.~.~.~ Venetian blind type

DEFINITION

Classification: 313/535

Venetian blind type:

(under subclass 533) Subject matter wherein there are a plurality of spaced slat-like secondary electron emissive electrodes at an angle to the direction of movement of photoemissive electrons emitted by the photoemissive cathode.