Distance measuring device

US6137564A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Dirk Schmidt · Königstein, DE
• Juergen Luginsland · Echterdingen, DE
• Joerg Stierle · Waldenbuch, DE
• Peter Wolf · Wiesbaden, DE
• Gunter Flinspach · Leonberg, DE

Key dates

• Filing date: Feb 2, 1999
• Grant date: Oct 24, 2000
• Expiry date: Feb 2, 2019

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S7/497
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A distance measuring device having a housing, a transmitting and receiving unit for measuring signal arranged in the housing, an evaluated element for determining a distance to an object by a travel time measurement, at least one reference point fixed on the housing to which a measured distance is referred, the at least one reference point being a part of a reference plane, such that an abutment surface which faces an object and an abutment surface which faces away from the object are arranged in the reference plane and fixed to the housing.