Synchronization system for motors
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United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Dec 30, 1998
filing date -
Dec 30, 1998
priority date (Note) -
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Abstract
A synchronization system according to the present invention includes a signal generator that provides a 'RUN' signal simultaneously to two or more windshield wiper motors in response to simultaneous receipt of position signals generated by the motors. Each motor generates a position signal when the windshield wiper controlled by the motor is at a predetermined position. A gate circuit monitors the output of each motor to determine whether the motor is in the predetermined position. The gate circuit provides a trigger signal to the signal generator of the present invention only when each motor outputs a position signal. The trigger signal causes the signal generator to produce a subsequent 'RUN' signal initiating another wipe cycle. Accordingly, the motors begin each cycle in synchronization.
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