Vehicle window opening and closing method and apparatus for dete

Details Vehicle window opening and closing method and apparatus for dete Vehicle window opening and closing method and apparatus for dete

1993-07-28

1995-04-25

Wysocki, Jonathan

Electricity: motive power systems

Motor-reversing

Automatic and/or with time-delay means

318460, 49 26, H02P 300

Patent

active

054102278

ABSTRACT:
This invention aims to prevent an obstacle from being trapped between a vehicle window and a window frame. A supersonic wave f is emitted into a vehicle window W. A reflection wave i of the supersonic wave is received to decide whether the reflection wave i is one reflected from peripheral faces of a target to be detected or not. If the received reflection wave i is one reflected from the peripheral faces from the target, a driving motor M for the vehicle window W is stopped. Thus, when an obstacle contacts with the peripheral faces of the vehicle window, it is possible to previously prevent the obstacle from being caught by the window since a driving source for the vehicle window is stopped.

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Patent Abstracts of Japan, vol. 10, No. 250 (P-491)(2306) Aug. 28, 1986; and JP-A-079 177 (Daihatsu Motor).

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