Opening and closing body control device

Details Opening and closing body control device Opening and closing body control device

2007-12-18

2007-12-18

Ip, Paul (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

C318S280000, C318S283000

Reexamination Certificate

active

11059323

ABSTRACT:
An opening and closing body control device includes an actuation device for actuating an opening and closing body which operates relative to a body, a speed detection device for detecting moving speed of the opening and closing body, and a control device for driving the actuation device based on detected results from the speed detection device. The control device conducts anti-pinch transaction when an object is pinched between the opening and closing body and the body. The control device includes a speed difference calculation device for calculating speed difference between latest speed and speed at predetermined time earlier, a speed difference memory device for memorizing predetermined number of the speed differences, an accumulation device for calculating accumulation value by accumulating predetermined number of speed differences, and a pinch detection device for conducting anti-pinch transaction by comparing the accumulation value and reference value for occurrence of pinch.

REFERENCES:
patent: 7122981 (2006-10-01), Knab et al.
patent: 7170244 (2007-01-01), Choby
patent: 2006/0137250 (2006-06-01), Imai et al.
patent: 2006/0208678 (2006-09-01), Choby
patent: 05-280253 (1993-10-01), None

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