Proportional firing circuit
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United States of America Patent
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Oct 31, 1989
Grant Date -
N/A
app pub date -
Jul 29, 1988
filing date -
Jul 29, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A relay control circuit which is capable of reliably controlling the transmission of electrical power in very small time increments. Specifically, the present invention features a proportional firing circuit which will create an SCR firing signal whose pulse timing is proportional to the magnitude of a variable input signal. The control circuit varies the conduction time for the SCRs by varying the time between firing signal pulses of fixed duration.
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