Electrical pulse counters – pulse dividers – or shift registers: c – Starting – stopping – presetting or resetting the counter
Patent
1983-11-01
1985-12-10
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Starting, stopping, presetting or resetting the counter
377111, 307471, H03K 2132
Patent
active
045584575
ABSTRACT:
An improved clock circuit in which a counter can begin its counting operation following the release of the reset signal always within one-half of the period of the input clock signal. The input clock signal is applied through a D-type flip-flop to one input of an exclusive-OR gate, and to the other input of the exclusive-OR gate directly. The output of the exclusive-OR gate drives the clock input to the counter. The clock input to the D-type flip-flop is supplied by the reset signal.
REFERENCES:
patent: 3632997 (1972-01-01), Froemke
patent: 3992635 (1976-11-01), Suzuki et al.
patent: 4132905 (1979-01-01), Stein
patent: 4236114 (1980-11-01), Sasaki
patent: 4406014 (1983-09-01), Doron
Heyman John S.
Pioneer Electronic Corporation
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