Method for operating a navigation system

US6473691B1 · kind B1 · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Stephan Winter · Hannover, DE
• Thomas Jung · Aschbach, DE
• Bernd Hessing · Holle, DE
• Walter Nordsiek · Hildesheim, DE
• Olaf Binnewies · Hildesheim, DE
• Thomas Fabian · Hildesheim, DE
• Bettina Rentel · Giesen, DE
• Dirk Otte · Laatzen, DE
• Dirk Tiemann · Hannover, DE

Key dates

• Filing date: Mar 11, 2002
• Grant date: Oct 29, 2002
• Expiry date: Mar 11, 2022

Classification

• Technology area (CPC G): Physics
• CPC primary: G09B29/10
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

The invention relates to a method for operating a navigation system comprising a digital map base, which is a representation of actual geographical areas and which contains data of geographical elements. The navigation-system also comprises a unit, which retrieves and processes the data, such as an operating unit provided with a display device. The data in the digital map base is combined in the form of geographically defined page frames. When requesting a page frame from the digital map base, data of geographical elements which extend beyond the edge of the page frame is transferred in such a manner that data pertaining to these geographical elements located outside of the requested page frame is also compiled and transferred.