Wiper control device for vehicle

Details Wiper control device for vehicle Wiper control device for vehicle

1982-01-07

1983-12-20

Truhe, J. V.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318DIG2, 318466, 318468, H02P 310

Patent

active

044220243

ABSTRACT:
A wiper control device for a vehicle capable of accurately stopping wiper blades always at the lowermost position of a wiping range regardless of the rotating speed of a wiper motor. The wiper control device automatically stops the wiper motor at the lowermost position of the wiper blades with a control circuit which obtains a sliding angle corresponding to the rotating speed of the wiper motor from the rotating speed of the motor and controls to flow an electric current continuously in the motor during the time while the motor reaches a rotating position even after the motor is interrupted by selecting the cam contact position with respect to the annular electrode. Thus, this wiper control device can eliminate to disturb the visual field of a driver with the wiper blades.

REFERENCES:
patent: 4329631 (1982-05-01), Betch et al.

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