RADIO NAVIGATION DEVICES COMPRISING

Brand Owner Address Description
GPSENSOR STANFORD TELECOMMUNICATIONS, INC. 2421 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054 radio navigation devices comprising an antenna, radio receivers, navigational processors, computer software, and parts therefor;gp-sensor;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. The invention relates to a device, system, and method for providing a multi-mode navigation device. In a first mode of operation, the navigation device provides position information based on a radio frequency navigation signals. If radio signals become unavailable, the navigation device enters a second mode of operation. In the second mode of operation the navigation device stores the most recent elevation and associates it with a reference elevation, the reference elevation is associated with an entry floor. The difference between a current elevation and the reference elevation is determined and this difference is divided by a floor height to obtain a floor number. The navigation device provides the floor number while reliable global position information is unavailable.