Wiper control system

Details Wiper control system Wiper control system

2007-06-26

2007-06-26

Masih, Karen (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Moisture content or wetness

C318S466000, C318S467000, C318S468000, C318S445000, C318S480000

Reexamination Certificate

active

11172923

ABSTRACT:
A wiper control system for detecting an amount of raindrops landed on a windshield of a vehicle and driving a wipe operation of a wiper to wipe the landed raindrops. The wiper control system includes raindrop sensing means, average landed raindrop amount calculation means, vehicle acceleration sensing means, and wipe operation mode selection means. The raindrop sensing means is capable of detecting the amount of landed raindrops for each of a plurality of wipe cycles of the wiper. The average landed raindrop amount calculation means calculates an average value of the amount of landed raindrops for the plurality of wipe cycles. The vehicle acceleration sensing means detects an acceleration of the vehicle. The wipe operation mode selection means selects a wipe operation mode based on the acceleration of the vehicle and any one of the amount of landed raindrops and the average amount of landed raindrops.

REFERENCES:
patent: 5847826 (1998-12-01), Fukui et al.
patent: 6617813 (2003-09-01), Morishita et al.
patent: 6657410 (2003-12-01), Berger et al.
patent: 4341844 (1994-08-01), None
patent: 2-220948 (1990-09-01), None
patent: 6-344867 (1994-12-01), None
EPO Search Report—Feb. 23, 2006.

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