Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Determining machine or apparatus operating time or...
Patent
1989-05-30
1990-12-25
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Determining machine or apparatus operating time or...
377 2, 377112, 368 10, 194241, 315360, 36441326, G06M 302, G07C 308
Patent
active
049809008
ABSTRACT:
Electronic control circuitry for transmitting electrical communication between electrically controlled equipment employing timing or display means at a first location, and at a second and remote location for the continuous exchange of electrical power and control signals betwen equipment at each of the locations and where two single wire connectors provide the sole electrical communication between the said locations.
REFERENCES:
patent: 4049952 (1977-09-01), Forsslund
patent: 4179611 (1979-12-01), Mill et al.
patent: 4193487 (1980-03-01), Takeuchi
patent: 4389709 (1983-06-01), Knibiehler et al.
patent: 4835749 (1989-05-01), Welton
Copeland T. D.
Heyman John S.
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