Digital or resistorless interval wiper switch and system

Details Digital or resistorless interval wiper switch and system Digital or resistorless interval wiper switch and system

1998-11-16

2000-05-30

Witkowski, Stanley J.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318444, 318DIG2, H02P 104

Patent

active

060694610

ABSTRACT:
The use of a Gray code ganged wiper switch and an electronic circuit controlling the washer-pump motor and wiper motor allow the use of a minimal number of wires in the overall interval wiper system than found in conventional systems. Circuit redundancy and Gray coding method provides several added reliability features at a low manufacturing cost. The system further provides a resistorless control of the several power output functions of the system.

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