Sensor unit for automatically switching of lighting devices and coupling medium for a sensor unit

US7149026B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Patrick Schmitt · Lichtenau, DE
• Bruno Hodapp · Achern, DE
• Hans Meier · Ottersweier, DE
• Henry Blitzke · Laufenburg (Baden), DE

Key dates

• Filing date: Jun 1, 2002
• Grant date: Dec 12, 2006
• Expiry date: Aug 11, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60Q2300/314
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A sensor unit for automatic switching of lighting devices of motor vehicles is described. The sensor unit includes at least one light-sensitive sensor, a filter element being situated upstream from it, and the filter element filtering out infrared light. A coupling medium for improving the switching points of the sensor unit and the use of a coupling medium and a filter for improving the switching points of the sensor unit are also described.