Driver Assistance System Having Reduced Data From a Digital Road Map

• US 20110137559A1
• Filed: 05/27/2009
• Published: 06/09/2011
• Est. Priority Date: 08/06/2008
• Status: Active Grant

• Current Assignee: ADC GmbH (TE Connectivity Ltd. (United Kingdom))
• Original Assignee: ADC GmbH (TE Connectivity Ltd. (United Kingdom))
• Inventors: Fey, Wolfgang, Mehr, Wilfried
• Granted Patent: US 8,694,255 B2
• Time in Patent Office: Days
• US Class Current: 701/208
• CPC Class Codes: B60W 2556/50 of positioning data, e.g. GPS [Global Positioning System] data
• CPC Class Codes: B60W 40/06 Road conditions

Abstract

The invention relates to a driver assistance system for a motor vehicle, comprising a surroundings sensor and an evaluation unit for the surroundings sensor data, wherein the evaluation unit is provided with data from a positioning device and reduced data from a digital road map.

Claims

1. A driver assistance system for a motor vehicle, comprising a surroundings sensor and an evaluation unit for the surroundings sensor data, wherein the evaluation unit is provided with data from a positioning device and reduced data from a digital road map.

2. A driver assistance system according to claim 1, characterized in that the data from the digital road map are reduced in dependence on the function of the driver assistance system.

3. A driver assistance system according to claim 2, characterized in that the driver assistance system is able to perform its particular function by comparing the determined position of the motor vehicle with the reduced data.

11. A driver assistance system according to claim 1, characterized in that the reduced data from the digital road map are stored in a non-volatile memory.

12. A driver assistance system according to claim 11, characterized in that the non-volatile memory is integrated into the evaluation unit of the surroundings sensor.

13. A driver assistance system according to claim 1, characterized in that the position of the motor vehicle is determined by a GPS antenna integrated into the driver assistance system.

14. A driver assistance system according to claim 1, characterized in that the position of the vehicle is determined by means of data of an eCall system.

15. A driver assistance system according to claim 1, characterized in that the driver assistance system recognizes traffic signs.

16. A driver assistance system according to claim 1, characterized in that the driver assistance system determines the maximum permissible speed and informs the driver of said speed.

17. A driver assistance system according to claim 1, characterized in that the driver assistance system distinguishes between bridges and obstacles on the roadway.

4-10. -10. (canceled)