Navigation system for land vehicles

US5485381A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Frieder Heintz · Blankenloch, DE
• Hermann Winner · Bietigheim, DE
• Georg Geiser · Karlsruhe, DE

Key dates

• Filing date: Oct 22, 1993
• Grant date: Jan 16, 1996
• Expiry date: Oct 22, 2013

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60W2556/50
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A navigation device for land vehicles, particularly for passenger cars and trucks, is proposed which has a storage for geographical data, sensors for detecting actual travel data, a comparison device, and an information delivery device. The navigation device is characterized by the fact that the limit speed (v.sub.i) safe for travel over the path of travel is determined in a calculating unit (9) from the geographical data concerning the course of the path of the travel and is compared with the instantaneous speed of the vehicle. When the limit speed is exceeded in positive or negative direction, an information delivery device (11) is activated and possibly also a conversion device (13), they acting on setting members, for instance brakes or engine control of the vehicle.