Timer with fast counter interrupt

Details Timer with fast counter interrupt Timer with fast counter interrupt

1982-04-05

1985-03-05

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Comparing counts

H03K 2114, G06M 302

Patent

active

045035482

ABSTRACT:
A timer device includes a multiple bit storage circuit to store a numerical value as a series of binary bits and evaluation circuitry to simultaneously compare the value stored in the storage circuitry with a predetermined value. This invention further includes a counter circuit consisting of a multiple bit storage circuit to store an initial counter value, a counter circuit to receive the initial counter value and to decrement the counter in response to a clock signal and an evaluation circuit to produce an output when the counter value is identical to a circuit defined value.

REFERENCES:
patent: 4001699 (1977-01-01), Denny et al.
patent: 4079234 (1978-03-01), Kashio
patent: 4089060 (1978-05-01), Mitchell
patent: 4109141 (1978-08-01), Sasaki
patent: 4145748 (1979-03-01), Eichelberger et al.
patent: 4155003 (1979-05-01), Grassme
patent: 4255809 (1981-03-01), Hillman
patent: 4276468 (1981-06-01), Nagamoto et al.
patent: 4365202 (1982-12-01), Sinniger

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