Wireless information system for acquiring location related information
Patent 5559520 Issued on September 24, 1996. Estimated Expiration Date: 
September 26, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 26, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesComputer-aided data collection system for assisting in analyzing critical situations Personal security system Hybrid GPS/data line unit for rapid, precise, and robust position determination System for locating and communicating with mobile vehicles Patent #: 5432841 InventorsApplicationNo. 312360 filed on 09/26/1994US Classes:342/357.1, Combined with telecommunication701/213Using Global Positioning System (GPS)ExaminersPrimary: Blum, Theodore M.Attorney, Agent or FirmInternational ClassesH04B 007/185G01S 005/02 AbstractAn information system for automatically providing mobile vehicles with information related to their geographical location and to provide routing control information downloaded from a broadcasting or directed cellular call source includes a GPS receiver and associated data storage unit. A cellular packet data receiver is included to receive data with location markers from a transmission source. The data from the data storage unit and the received data with location markers is coupled to a controller module which includes stored program controls to select data relevant to the present geographical location and to provide centralized alerts and local readout in the mobile vehicle of this information. | |
