초록 ▼

An electronic navigation system using wirelessly tranmitted video map images from one or more ground based tranmitters together with wireless receivers having visual display available to travelers, for receiving and displaying the video map images. In one embodiment a cellular system is provided usi

An electronic navigation system using wirelessly tranmitted video map images from one or more ground based tranmitters together with wireless receivers having visual display available to travelers, for receiving and displaying the video map images. In one embodiment a cellular system is provided using video map images covering different zones or cells of a city or other community. GPS reception is combined to additionally provide location, direction, and speed parameters on the received video maps. Transmitted video image information may also include names of streets, roads, as well as places of interest and to obtain service and assistance in emergencies. Interactive controls are provided as supplements to assist travelers in obtaining specific information as well as additional information.

대표청구항 ▼

[ What is claimed is:] [1.] In an electronic navigation system for wirelessly transmitting a plurality of enlarged video maps of different cellular zones of a geographical area, receivable by a wireless receiver associated with a traveler proceeding within said area,said wireless transmitter generat

[ What is claimed is:] [1.] In an electronic navigation system for wirelessly transmitting a plurality of enlarged video maps of different cellular zones of a geographical area, receivable by a wireless receiver associated with a traveler proceeding within said area,said wireless transmitter generating additional video images including the names and relative locations of a plurality of streets within said cellular zone of said area,said receiver having a visual display screen for displaying the video image of streets, and having means that responds to the traveler becoming proximate any of said streets to change the display to remove that street name from the visual display.