US PATENT SUBCLASS 365 / 128
.~ Electron beams


Current as of: June, 1999
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365 /   HD   STATIC INFORMATION STORAGE AND RETRIEVAL

120  DF  INFORMATION MASKING {6}
128.~ Electron beams


DEFINITION

Classification: 365/128

Electron beams:

(under subclass 120) Subject matter wherein the radiation beam being altered is an electron beam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118, for other electron beam memories.

237, for circuits to direct an electron beam to a memory location.

SEE OR SEARCH CLASS

250, Radiant Energy, appropriate subclass for electron beam devices.

313, Electric Lamp and Discharge Devices,

391+, for cathode-ray tube (CRT) storage device, per se. 315, Electric Lamp and Discharge Devices: Systems,

8.5+, for electron beam storage systems and subclasses 84.5+ for gaseous discharge tube storage systems.

377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems,

99, for counters using beam type tubes.