Opening and closing control device for opening and closing...

Details Opening and closing control device for opening and closing... Opening and closing control device for opening and closing...

2005-08-02

2005-08-02

Masih, Karen (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

C318S283000, C318S456000

Reexamination Certificate

active

06924614

ABSTRACT:
An opening and closing device for an opening and closing member of a vehicle includes a driving motor, a feedback control unit for controlling an output duty to the driving motor so that a preset target speed of the driving motor can be achieved, a high-pass filter for filtering a frequency of an actual speed of the driving motor, and a pinching determination unit for determining a pinching of an object based on an output from the high-pass filter.

REFERENCES:
patent: 5903699 (1999-05-01), Tanaka et al.
patent: 5977732 (1999-11-01), Matsumoto
patent: 198 04 175 (1997-03-01), None
patent: 6-253570 (1994-09-01), None
patent: 10-257791 (1998-09-01), None
patent: WO 95/02268 (1995-01-01), None

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