Patent ReferencesPersonal emergency locator system Method for obtaining a securitized cleartext attestation in a distributed data processing system environment Agricultural aircraft control system using the global positioning system Selective call receiver with battery saving features and method therefor Apparatus and method for a system capable of remotely validating the identity of individual and their location Medical alert distribution system with selective filtering of medical information Patent #: 5576952 InventorsApplicationNo. 689889 filed on 08/15/1996US Classes:342/357.13, With storage device (i.e., map or database)340/825.49, Location indication342/457, Land vehicle location (e.g., bus, police car380/258Position dependent or authenticatingExaminersPrimary: Tahcza, Thomas H.Assistant: Phan, Dao Attorney, Agent or FirmInternational ClassG01S 005/02AbstractA system for remotely and automatically verifying the location of an electronic device and authorizing operation of the device if it resides in an allowed geographical location. The system includes a remote device requiring authorization to operate and an authorization device connected to an authorization database. The remote device and authorization device being connected via a communication link. Methods for verification include employing a Global Positioning System receiver in the monitored device and using the telephone number of the monitored device.Other References
Field of SearchLand vehicle location (e.g., bus, police car | |