Patent · US Expired

Navigation device vehicle comprising the device

US5537323A · kind A · utility

75Cited by
15References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 18, 1994
Grant dateJul 16, 1996
Priority date
Expiry dateJan 18, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/3632
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A navigation device which is operative to navigate a user along a selected route, utilizing displays of relevant map sections and the selected route. The relevant map section is updated by a control unit in accordance with changes in user's present position. The control unit includes a picture processor which controls the display unit to show in a distinctive manner within a relevant map section the route segment already travelled and the segment yet to be travelled. The resulting display can therefore be very quickly interpreted by the user.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.