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U.S. Department of Energy
Office of Scientific and Technical Information

TUBE TESTER

Patent ·
OSTI ID:4333483

This patent relates to tube testing, and in particular describes a tube tester for automatic testing of a number of vacuum tubes while in service and as frequently as may be desired. In it broadest aspects the tube tester compares a particular tube with a standard tube tarough a difference amplifier. An unbalanced condition in the circuit of the latter produced by excessive deviation of the tube in its characteristics from standard actuates a switch mechanism stopping the testing cycle and indicating the defective tube.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-12-007042
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2820192
OSTI ID:
4333483
Country of Publication:
United States
Language:
English

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