Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Converting input or output signal from or to an analogue signal
Patent
1982-07-28
1985-02-12
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Converting input or output signal from or to an analogue signal
377 37, 377 39, 377 44, 3281301, 340347M, H03K 1320, H03K 13256, H03K 2136
Patent
active
044995881
ABSTRACT:
A system for converting the frequency of a pulse train to a binary number includes an output counter which converts the pulse train to the binary number. Sampling time periods are applied as pulses to a comparator through another counter. The number of desired sampling periods is set into the comparator. The comparator enables the counter during the sampling time periods and inhibits the output counter on the termination of the total sampling time periods. The output of the output counter, therefore, is a binary representation of the frequency of the incoming pulse train during the total sampling time period.
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patent: 4025868 (1977-05-01), Miki et al.
patent: 4068179 (1978-01-01), Sample et al.
patent: 4128756 (1978-12-01), Nagand et al.
patent: 4131855 (1978-12-01), Hamagawa
patent: 4137463 (1979-01-01), Scott et al.
patent: 4310720 (1982-01-01), Check, Jr.
patent: 4321695 (1982-03-01), Redwine et al.
Hallacher Lester L.
Heyman John S.
Irlbeck Dennis H.
RCA Corporation
Whitacre Eugene M.
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