Route guidance and identification system

摘要

The present application discloses a personal navigation system for providing route guidance and description information to visually impaired users. The system includes a terminal located near an entrance of an area to be traversed. The terminal stores data related to the physical layout of the area. A plurality of location transmitters are distributed about the area and broadcast a signal. A portable electronic device is configured to receive data from the terminal upon entry and determine the location of the user by processing the broadcasted signal of the transmitters. Route guidance is provided to the user via audible or sensory methods. Information may also be provided to the user describing the surrounding area.

主权项

1. A navigation system for providing route guidance within a structure, comprising:
a terminal located near an entrance of an area to be traversed, the terminal configured to store and transmit layout data of the area to be traversed; a plurality of location transmitters selectively positioned remotely throughout the area to be traversed, each location transmitter being powered and configured to broadcast a signal; and a portable electronic device configured to calculate position and provide route guidance within the area, the portable electronic device configured to receive the signal from the plurality of location transmitters and receive the layout data from the terminal upon entrance of the area; wherein a user is able to select a destination with the portable electronic device, the portable electronic device configured to calculate the position of the user and provide route guidance to the user to navigate the area; and wherein the portable electronic device automatically provides description information related to points of interest to the user based upon the location determined through the plurality of location transmitters, the description information relating to a non-proximate point of interest to the user.