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Device for automatically controlling opening and closing of a vehicle slide door

  • US 6,729,071 B1
  • Filed: 11/17/2000
  • Issued: 05/04/2004
  • Est. Priority Date: 10/02/1995
  • Status: Expired due to Fees
First Claim
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1. A device for automatically controlling an opening and closing of a slide door for a vehicle, wherein the slide door is adapted to move along a guide track installed in the vehicle, the device comprising:

  • a drive device having a reversible motor and adapted to drive the slide door along the track, a motor load detection device adapted to detect a motor load of the drive device, a position detection device adapted to detect a position of the slide door guided by the guide track within a range from a position where the slide door is fully opened to a position where the slide door is fully closed, a door speed detection device adapted to measure a movement speed of the slide door along the track, a memory means for storing the motor load at each position of the slide door of the vehicle standing at a horizontal level, and a motor control means for controlling power supplied to the motor for moving the slide door based on a difference between a detected motor load and a stored motor load at a corresponding position of the slide door.

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