Wiper controller and method for controlling wiper
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United States of America Patent
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Mar 17, 2009
Grant Date -
Nov 23, 2006
app pub date -
May 16, 2006
filing date -
May 17, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A controller for controlling a wiper unit including a wiper and an intermittent wipe cycle setting device for setting an intermittent wipe cycle of the wiper. The cycle setting device is set at a plurality of positions respectively corresponding to different intermittent wipe cycles. Further, the cycle setting device has a resistance value, which changes in accordance with each of the positions, and generates an output signal, which is in accordance with the change in the resistance value. The controller computes position information of the intermittent wipe cycle setting device from the output signal by using a learned value. The computer adjusts the learned value in accordance with the computation result of the position information to correct the position information. Accordingly, resistance value variances of the intermittent wipe cycle setting device are automatically corrected.
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