Rain sensor, in particular for a motor vehicle

US6842271B2 · kind B2 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Helmut Sautter · Ditzingen, DE
• Armin Jerger · Halberstung, DE
• Frank Wolf · Karlsruhe, DE
• Gerhard Hochenbleicher · Fürstenfeldbruck, DE
• Vincent Thominet · Morges, FR
• Zishao Yang · Erding, DE

Key dates

• Filing date: Sep 17, 2002
• Grant date: Jan 11, 2005
• Expiry date: Sep 17, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60S1/0837
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A rain sensor for a motor vehicle, having a transmitter emitting radiation, a receiver, and a holographically embodied diffractive element that has a linear-grating-like structure.