Concealed wiper system

Details Concealed wiper system Concealed wiper system

1985-12-23

1987-08-25

Shoop, Jr., William M.

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318444, 318DIG2, 1525017, B60S 108

Patent

active

046895353

ABSTRACT:
This concealed wiper system comprises a wiper motor (1) having a mechanism to house the wiper arm in the retracted position by reversing rotation of the wiper motor; an oscillator (50) in which the oscillation frequency is varied by means of a variable resistor (59) installed within the automobile compartment; a wiper actuation switch (3) for wiper actuation selection; a wiper motor-position detector (2) for detecting wiper motor output shaft position; a wiper motor drive circuit (6) for driving the wiper motor; and an intermittent actuation control device employing a microcomputer (5).
Intermittent actuation is selected by means of said wiper actuation switch (3), the intermittent pause period is based upon signals from said wiper motor-position detector (2) and signals from said means of oscillation (50), said wiper motor drive circuit (6) is controlled by the microcomputer (5).

REFERENCES:
patent: 4375610 (1983-03-01), Nagaoka et al.
patent: 4588935 (1986-05-01), Kaneiwa et al.

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