Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Control
Patent
1980-03-06
1983-05-24
Thesz, Joseph M.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Control
324178, 377 9, 377 20, 377 45, G06M 302
Patent
active
043852270
ABSTRACT:
A circuit consisting of five cascaded binary coded decimal, UP-DOWN circuits with associated gates, a first input causes the counters to count up, at a 10 Mhz rate until any second input, which latches into memory the accumulated time in the counters, and causes the counters to count down at 5 Mhz rate, when the counters reach zero an output pulse, suitable for triggering photo flash strobes is generated.
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patent: 3824463 (1974-07-01), Oehler
patent: 3914580 (1975-10-01), Watson et al.
patent: 4031373 (1977-06-01), Beckwith
patent: 4296471 (1981-10-01), Goux
Matthews Willard
Singer Donald J.
Thesz Joseph M.
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