Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Comparing counts
Patent
1989-07-13
1991-06-04
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Comparing counts
377 54, 377 52, H03K 2102
Patent
active
050220594
ABSTRACT:
Disclosed herein is a counter circuit which includes a register for temporarily storing a count data signal, a data processing circuit coupled to the register and supplied with a control signal for producing a first count value from the count data signal in response to a first state of the control signal and for producing a second count value from the count data signal in response to a second state of the control signal, and a counter stage coupled to the data processing circuit and supplied with an input signal to be counted for producing a detection signal when the input signal to be counted is supplied thereto by a time number determined by the first or second count value.
REFERENCES:
patent: 3621403 (1971-11-01), Seiy
patent: 3924078 (1975-12-01), Bussey
patent: 4757464 (1988-07-01), Zimmermann et al.
patent: 4795984 (1989-01-01), Janssen
patent: 4805199 (1989-02-01), Muramatsu
Heyman John S.
NEC Corporation
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