Patent ID: 6259990
Filing Date: 2001-07-10
Classification: G01C,Y10S

Abstract:
A pedestrian navigation system for transmitting information to a portable pedestrian guidance apparatus carried by a pedestrian so that the portable pedestrian guidance apparatus outputs the transmitted information to navigate said pedestrian, said pedestrian navigation system comprising:a plurality of markers mounted at various locations in an installation,wherein each marker outputs a beam which carries installation identification information for identifying a location at which said marker is installed and direction information indicating a direction at which said beam is being emitted by said marker; anda route computation information providing apparatus having a database for a pedestrian-oriented map including the locations of said markers, a computation function for computing routes based on said installation identification information and said direction information, and a communication function for communicating with said portable pedestrian guidance apparatus,wherein said portable pedestrian guidance apparatus comprises:a communication function for communicating with said route computation information providing apparatus and said markers, anda position and direction measuring function for measuring a position and direction based on said installation identification information and said direction information.