Vehicle power window control

Details Vehicle power window control Vehicle power window control

1984-11-26

1985-12-31

Dobeck, B.

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318265, 318286, 318294, 318345B, 318345C, 318469, H02P 122

Patent

active

045623872

ABSTRACT:
A control for a vehicle window driving motor in an H-switch semiconductor bridge with an SCR and a FET in each opposite armature current path includes control logic circuitry enabling one-touch actuation of window movement in either direction with stoppage by actuating either actuation device and with flip-flop control of the bridge elements to prevent shorting out the power supply. A variation provides automatic stoppage in the up direction by stall current sensing with automatic reverse after a time delay to allow the SCR conducting during upward movement to turn off.

REFERENCES:
patent: 4001661 (1977-01-01), Terabayashi
patent: 4328451 (1982-05-01), Barge
patent: 4338552 (1982-07-01), Pilz et al.
patent: 4347465 (1982-08-01), Goertler
patent: 4373149 (1983-02-01), Coste
patent: 4394605 (1983-07-01), Terazawa
patent: 4404558 (1983-09-01), Yen
patent: 4459521 (1984-07-01), Barge
patent: 4476416 (1984-10-01), Licata et al.
patent: 4477751 (1984-10-01), Kanayama
patent: 4514666 (1985-04-01), Suzuki

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