IP Library Granted Patent US 7,791,299
Granted Patent B2
US 7,791,299 · App. 11/104,600 · Granted Sep 7, 2010

Process for controlling an electrically driven motor vehicle window

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Quick Facts
Patent No.
US 7,791,299
App. No.
11/104,600
Granted
Sep 7, 2010
Kind
B2
Abstract

A process for controlling an electrically driven window pane for a motor vehicle which has an operating element for triggering the pane motion. After the operation of the operating element, the window pane is moved by a driving motor until a soft-stop position is reached, the motion of the driving motor being detected for determining the window pane position. A multiple operation of the operating element within a definable time period causes an overshooting of the soft-stop position to the mechanical stop, in which the position of the pane is newly defined.

Claims (14)

1. Process for controlling an electrically driven window pane for a motor vehicle having a switch for triggering motion of the window pane, and having a driving motor for moving the window pane, comprising:

detecting the motion of the driving motor or the window pane;

determining if movement of the window pane has stopped at a defined soft-stop position of the window pane before an end stop has been reached;

overshooting the soft-stop position, after the switch has been operated a predetermined plurality of times within a predetermined time period, to move the window pane to a final stop; and

detecting the final stop as a defined position of the window pane.

2. Process according to claim 1 , wherein the predetermined plurality of times within the predetermined time period is three times per second.

3. Process according to claim 1 , further comprising:

monitoring operation of the switch when said motor has stopped before reaching said end point;

initiating movement of the window pane if a human operates the switch the predetermined plurality of times within the predetermined time period.

4. The process according to claim 3 , further comprising the step of detecting said final stop of said window after said initiating step and assigning said final stop as a defined position of said window.

5. Process according to claim 3 , wherein the predetermined plurality of times within the predetermined time period is three times per second.

6. Process according to claim 4 , wherein the predetermined plurality of times within the predetermined time period is three times per second.

7. Process according to claim 1 , wherein the soft-stop position is a defined position.

8. Process according to claim 1 , wherein the switch is operated via a button in a cockpit of the motor vehicle.

Assignments (4)
CHANGE OF NAME Recorded Jul 15, 2010
From: PORSCHE ZWISCHENHOLDING GMBH
To: DR. ING H.C. F. PORSCHE AKTIENGESELLSCHAFT
Reel/Frame 024689/0278 →
MERGER Recorded Jul 14, 2010
From: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT (COMPANY NO. 722287)
To: PORSCHE ZWISCHENHOLDING GMBH
Reel/Frame 024684/0871 →
MERGER Recorded Jun 30, 2008
From: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT
To: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT (COMPANY NUMBER 722287)
Reel/Frame 021184/0926 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 13, 2005
From: EICHIN, MATTHIAS
To: DR. ING. H.C.F. PORSCHE AG
Reel/Frame 016466/0905 →