Wiper apparatus control method and wiper control system
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United States of America Patent
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Feb 7, 2012
Grant Date -
May 14, 2009
app pub date -
Nov 12, 2008
filing date -
Nov 13, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A wiper apparatus includes: a wiper blade driven by a first motor; and a wiper blade driven by a second motor. The motors are drive-controlled by control microcomputers, respectively. The control microcomputers are connected to each other through a communication line. While exchanging position information of the wiper blades through the communication line, the control microcomputers synchronously drive the motors on the basis of a position relationship between both of the wiper blades. When an abnormality occurs in a communication state of an in-vehicle LAN, a setting state of a wiper switch is grasped through a switch signal line directly connected to the wiper switch, and wipers are prevented from being stopped when such communication abnormality occurs.
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