Device for detecting objects on a windscreen of a motor vehicle

US6841767B2 · kind B2 · utility

Assignee

• Leopold KOSTAL GmbH & Co. KG · DE

Inventors

• Anton Mindl · Hildesheim, DE
• Frank Blasing · Werl, DE

Key dates

• Filing date: Sep 6, 2001
• Grant date: Jan 11, 2005
• Expiry date: Dec 22, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60S1/0885
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A device for detecting objects on a windshield of a motor vehicle having a hood includes an imaging unit having a lens and a sensor positioned within the interior of the motor vehicle. The lens images a windshield section associated with a primary field of vision onto the sensor. The sensor generates a sensor signal in response to the windshield section imaged thereon. The imaging unit is positioned in a viewing direction pointing diagonally downwards with respect to the windshield such that the background of the windshield section imaged onto the sensor is the hood of the motor vehicle thereby causing the background of the windshield section imaged onto the sensor to be approximately constant in order to cancel environmental conditions that can impair object detection on the windshield section. An evaluation unit evaluates the sensor signal to detect objects on the windshield section.