US PATENT SUBCLASS 365 / 128
.~ Electron beams
Current as of:
June, 1999
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365 /
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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.
