Seat control unit for adjusting a vehicle seat and vehicle seat configuration

• US 20070235297A1
• Filed: 03/31/2006
• Published: 10/11/2007
• Est. Priority Date: 03/31/2006
• Status: Active Grant

• Current Assignee: Audi AG (Volkswagen AG), Volkswagen AG
• Original Assignee: Audi AG (Volkswagen AG), Volkswagen of America Inc (Volkswagen AG)
• Inventors: Stoschek, Arne, Strohband, Sven, Ng, Brian, Alessandrini, Philippe, Derse, Michael, Ross, Steffen
• Granted Patent: US 7,432,459 B2
• Time in Patent Office: Days
• US Class Current: 200/5.R
• CPC Class Codes: B60N 2/0228 Hand-activated mechanical switches B60N2/0229 takes precedence
• CPC Class Codes: B60N 2/0229 characterised by the shape, e.g. switches having cushion or backrest shape
• CPC Class Codes: B60N 2/0231 concealed interfaces, e.g. hidden below seat cover
• CPC Class Codes: B60N 2/0237 using portable terminals, e.g. smartphones
• CPC Class Codes: B60N 2/0239 using movement detection or gesture recognition
• CPC Class Codes: B60N 2210/12 Capacitive; Electric field
• CPC Class Codes: B60N 2220/20 using a deterministic algorithm
• CPC Class Codes: B60R 21/01516 using force or pressure sensing means
• CPC Class Codes: B60R 21/01532 using electric or capacitive field sensors
• CPC Class Codes: H01H 2203/0085 Layered switches integrated into garment, clothes or textile
• CPC Class Codes: H01H 2300/008 Application power seats

Abstract

A seat control unit for adjusting a vehicle seat includes a touch sensor having a touch-sensitive fabric. The touch-sensitive fabric is disposed on a support layer which may be formed by a vehicle interior component such as the vehicle seat, an interior door panel or an armrest. The touch sensor generates signals in response to a force exerted on the touch-sensitive fabric. A control circuit is connected the touch sensor and receives the signals generated by the touch sensor. The control circuit determines a position of the force exerted on the touch-sensitive fabric and generates control signals for controlling the vehicle seat in dependence on the position of the force exerted on the touch-sensitive fabric.

Claims

1. In combination with a vehicle seat, a seat control unit comprising:

a touch sensor including a touch-sensitive fabric;

a support layer for said touch-sensitive fabric, said touch-sensitive fabric being disposed on said support layer;

said touch sensor generating signals in response to a force exerted on said touch-sensitive fabric;

a control circuit connected said touch sensor;

said control circuit receiving the signals generated by said touch sensor and determining a position of the force exerted on said touch-sensitive fabric; and

said control circuit generating control signals for controlling the vehicle seat in dependence on the position of the force exerted on said touch-sensitive fabric.

2. The seat control unit according to claim 1, wherein:

said touch sensor includes a cover layer; and

said touch-sensitive fabric is disposed between said support layer and said cover layer.

3. The seat control unit according to claim 1, wherein said support layer is a vehicle interior component selected from the group consisting of a vehicle seat bottom, a center armrest, a door armrest, an interior door panel, a steering wheel, a dashboard, a center console, and a remote control unit.

4. The seat control unit according to claim 1, wherein said control circuit is a programmable control circuit such that said control circuit and said touch sensor are usable for different vehicle seats having different adjustment functions.

5. The seat control unit according to claim 1, wherein said touch sensor has embossed graphic symbols indicating seat adjustment functions.

6. The seat control unit according to claim 1, wherein said touch sensor has embossed arrows indicating respective adjustment directions.

7. The seat control unit according to claim 1, wherein said touch sensor has an embossed diagrammatic representation of the vehicle seat.

8. The seat control unit according to claim 1, wherein:

said control circuit determines an amount of the force exerted on said touch-sensitive fabric; and

said control circuit generates control signals for controlling the vehicle seat in dependence on the position and the amount of the force exerted on said touch-sensitive fabric.

9. The seat control unit according to claim 8, wherein said control circuit is programmed such that the vehicle seat is adjusted with an increased speed if the amount of the force exerted on said touch-sensitive fabric is increased.

10. The seat control unit according to claim 1, wherein:

the vehicle seat has a seat bottom, a backrest and a headrest;

said touch sensor has a subregion assigned for adjusting a seat component selected from the group consisting of the seat bottom, the backrest and the headrest; and

said control circuit and said touch sensor are configured such that the seat component is adjusted by exerting a force in a sliding motion on said subregion of said touch sensor.

11. The seat control unit according to claim 10, wherein:

said control circuit determines a direction of the sliding motion across the subregion of the touch sensor; and

said control circuit generates control signals for controlling the seat component in dependence on the direction of the sliding motion across the subregion of the touch sensor.

12. The seat control unit according to claim 10, wherein:

said control circuit determines a speed of the sliding motion across the subregion of the touch sensor; and

said control circuit generates control signals for controlling the seat component in dependence on the speed of the sliding motion across the subregion of the touch sensor.

13. The seat control unit according to claim 10, wherein said control circuit and said touch sensor are configured such that said control circuit distinguishes between a force exerted by a sliding motion on said subregion of said touch sensor and a force exerted only in a given position of said subregion of said touch sensor.

14. A vehicle seat configuration comprising:

a vehicle seat having a seat bottom and a backrest;

a seat control unit operatively connected to said vehicle seat, said seat control unit including a touch sensor, a support layer and a control circuit;

said touch sensor including a touch-sensitive fabric;

said touch-sensitive fabric being disposed on said support layer;

said touch sensor generating signals in response to a force exerted on said touch-sensitive fabric;

said control circuit being connected to said touch sensor and receiving the signals generated by said touch sensor, said control circuit determining a position of the force exerted on said touch-sensitive fabric; and

said control circuit generating control signals for controlling at least one of said seat bottom and said backrest in dependence on the position of the force exerted on said touch-sensitive fabric.