Load condition detecting and driving system
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United States of America Patent
Stats
-
Oct 9, 1990
Grant Date -
N/A
app pub date -
Aug 25, 1989
filing date -
Aug 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A load condition detecting a control system for supplying a load current to a load from a power source wherein, when said load exhibits a short circuit condition, a driving signal controlling the application of high current to the load is immediately pulled down, shutting-off the flow of high current to the load. Thus, even before a short circuit condition is detected by any logic means, the high current is disconnected from the load, preventing any possible damage to the load or other circuitry. The system also detects an open circuit load condition. Upon detection of either an open or a short circuit load condition, the system then blocks the driving signal from being applied to the driving circuitry until the system is reset.
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