US PATENT SUBCLASS 313 / 536
.~.~.~ Box or linear 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}
536.~.~.~ Box or linear type

DEFINITION

Classification: 313/536

Box or linear type:

(under subclass 523) Subject matter wherein there are plural serial secondary electron electrodes wherein, (1) there are two successive box-like secondary electroemissive electrodes alternately on each side of an imaginary plane, or (2) there is a secondary electron emissive electrode alternately on each side of an imaginary plane.