Window wiper system for small windows

Details Window wiper system for small windows Window wiper system for small windows

1995-02-21

1996-08-13

Ro, Bentsu

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318443, 318DIG2, 318484, 1525031, B60S 108

Patent

active

055459560

ABSTRACT:
A motor drive system for imparting oscillating motion to a window wiper is disclosed which slows the wiper as it approaches respective right and left positions and holds the wiper at the right and left positions for a selectable delay interval in order to avoid deleterious effects of instantaneous motor direction reversal. The system includes a motor drive chip for generating the drive signal to the window wiper motor, a programmable logic array for sequencing the operation of the motor drive chip, and a delay chip for timing the selected delay.

REFERENCES:
patent: 4336482 (1982-06-01), Goertler et al.
patent: 4355270 (1982-10-01), Cook et al.
patent: 4614903 (1986-09-01), Betsch et al.
patent: 4663575 (1987-05-01), Juzswik et al.
patent: 5086260 (1992-02-01), Ito

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