Method for operating power window apparatus having safety device

Details Method for operating power window apparatus having safety device Method for operating power window apparatus having safety device

1993-07-12

1995-10-17

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Movement, position, or limit-of-travel

49 28, 318266, 318286, 318434, E05F 1510

Patent

active

054593794

ABSTRACT:
A method for operating power window apparatus with a safety device which stops the closing operation of the window in response to the detection of an object-caught state, which prevents the incomplete close of the window, and can accurately detect the object-caught state. The opening/closing position of the window is detected by counting pulses generated as the window moves. A region where a safety control can be carried out is determined on the basis of the detected opening/closing position. When the window reaches a position near a position where the window is fully closed, the count indicative of the opening/closing position detector is reset. The resetting operation is carried out so that a time point where the relative speed of the window is reduced is set at the fully closed position of the window.

REFERENCES:
patent: 4468596 (1984-08-01), Kinzi et al.
patent: 4608637 (1986-08-01), Okuyama et al.
patent: 4983896 (1991-01-01), Sugiyama et al.
patent: 5334876 (1994-08-01), Washeleski et al.

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