Solenoid driver circuit
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United States of America Patent
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-
Oct 11, 1983
Grant Date -
N/A
app pub date -
Sep 28, 1981
filing date -
Sep 28, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control circuit for driving solenoids protects these devices from failure due to overheating caused by frequent on-off cycling. Control signals are passed through logic gates. A timer responds to the termination of a control pulse and disables the logic gate that passes signals to the load for a predetermined time, thus restricting the minimum off time of the solenoid. Minimum on time or maximum on or off times are not affected.
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