US PATENT SUBCLASS 348 / 329
.~.~ With emissive target or photocathode (e.g., orthicon)

Current as of: June, 1999
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207  DF  CAMERA, SYSTEM AND DETAIL {19}
325  DF  .~ Cathode-ray tube {5}
329.~.~ With emissive target or photocathode (e.g., orthicon) {1}
330  DF  .~.~.~> Dissector tube

DEFINITION

Classification: 348/329

With emissive target or photocathode (e.g., orthicon):

(under subclass 325) Subject matter wherein the cathode-ray tube includes a target surface which releases electrons when exposed to light or other radiation.