Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Identifying or correcting improper counter operation
Patent
1982-07-27
1985-05-21
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Identifying or correcting improper counter operation
377 19, 377107, 377 39, 371 61, 371 62, G06F 1100, G06M 302
Patent
active
045190909
ABSTRACT:
A testable time delay apparatus includes means for testing component operation during any stage of system function and means for continuously monitoring and testing component functions. The device is particularly useful in critical process control applications such as in a nuclear reactor control system.
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patent: 4144448 (1979-03-01), Piscidtta et al.
patent: 4223213 (1980-09-01), Bibbee et al.
patent: 4336448 (1982-06-01), Shipp et al.
patent: 4373201 (1983-02-01), Bohan
patent: 4392226 (1983-07-01), Cook
Hill William D.
Stackhouse Kenneth B.
General Electric Company
Heyman John S.
James, Jr. Ivor J.
Simkins Raymond G.
Turner Samuel E.
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