Controller of automotive power door

Electricity: motive power systems – Automatic and/or with time-delay means – Movement – position – or limit-of-travel

Reexamination Certificate

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Details

C318S470000, C318S266000, C318S282000, C318S286000, C049S026000, C049S028000, C049S118000

Reexamination Certificate

active

06943515

ABSTRACT:
An electric drive motor drives a door to move in an open/close direction. A pulse encoder outputs a series of pulses. Each pulse has a pulse duration sized to correspond to a rotation speed of the motor. The number of the pulses corresponds to the number of revolution of the motor. A door jamming detecting device for detecting a jamming of the door is configured to carry out calculating a total duration time (Tn) of a given number (n) of the series pulses outputted from the pulse encoder; detecting a given condition wherein the total duration time (Tn) is greater than a threshold value (Ts); and making a judgment of the door jamming when the given condition is kept for a given time (Tm).

REFERENCES:
patent: 4713591 (1987-12-01), McCloskey
patent: 5708338 (1998-01-01), Cook et al.
patent: 5831403 (1998-11-01), Kanki et al.
patent: 5929580 (1999-07-01), Mullet et al.
patent: 5963000 (1999-10-01), Tsutsumi et al.
patent: 6164015 (2000-12-01), Kawanobe et al.
patent: 6208102 (2001-03-01), Kikuchi et al.
patent: 6326751 (2001-12-01), Mullet et al.

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