Electricity: motive power systems – Periodic – repetitious or successive operations control of...
Reexamination Certificate
2007-11-13
2007-11-13
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Periodic, repetitious or successive operations control of...
C318S444000, C318SDIG002
Reexamination Certificate
active
10568668
ABSTRACT:
A reversing wiper motor system has a first detector including a detectant which rotates in synchronism with the wiper. The detector physically identifies a plurality of distinct angular zones across the entire range of motion of the wiper, including a wiper park zone, a wiping zone, and a wiper out-of-bound zone. A second detector detects incremental movement of the wiper within any given zone. Control circuitry controls the direction of the motor based on the detected zone and the incremental motion of the wiper therein. The system enables the wiper to be located upon power-up.
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Clark Hill PLC
Glass Erick
Intier Automotive Closures Inc.
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