| 摘要 |
A method, a combined cellular. PDA communication device and system having specialized software applications for allowing a plurality of combined c&bgr;Dular phone/PDA device users to monitor each other's locations and status and Io Initiate cellular phone calls by touching a symbol on a touch screen display wWcti can also Include point to CaD conferencing calling. Each partldpant'a cellular phone/PDA device Includes a GPS navigation receiver with application software for point to call or conference can Initiation to network participants and fixed faculties. The method, device and system also include features that: establish public or private peer to peer networks; assign symbols and soft switches associated with the network; create a signal strength geo-refarenced contour map: automatically request and download additional constantly updated maps; and collapse the cell phone's soft switch matrix and readout areas after a fixed amount of user Inactivity Hire to Increase the map and superimposed symbols area. |
