Positioning sensor for a motor vehicle

US6480805B1 · kind B1 · utility

Assignee

• Hella KGaA Hueck & Co. · DE

Inventors

• Henning Irle · Lippstadt, DE
• Norbert Kost · Geseke, DE
• Franz Schmidt · Mannheim, DE

Key dates

• Filing date: Sep 1, 2000
• Grant date: Nov 12, 2002
• Expiry date: Jan 6, 2021

Classification

• Technology area (CPC G): Physics
• CPC primary: G01D5/246
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A position sensor for a motor vehicle is described which, as its sensor signal, generates several pulse-width modulated signals that vary as a function of position. The position sensor transmits individual sensor signals in a defined sequence of consecutive individual pulses over the same output line to a receiver. The individual sensor signals are each encoded in the duty factor of a pulse. Therefore, the position sensor has a signal transmission system that is simple and inexpensive to implement. Particularly advantageous is the characteristic that it is possible to avoid an interconnection of the position sensor to a bus system.