Emergency call locating system
August 18, 2009. 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 References 3881060 Emergency call answering system Dialing device with calling number and identification memory and method for using same Fire alarm system Computer map Security monitoring and tracking system Current location indication apparatus for use in an automotive vehicle Map display system Map display system Patent #: 4812980 InventorAssigneeApplicationNo. 395896 filed on 08/18/1989US Classes:379/201.08, Calling party340/286.14, Mapping340/525, Display board340/531, With particular coupling link379/45, Central office responsive to emergency call or alarm (e.g., "911", operator position display)379/49, Central station with plural substations379/142.15, Connecting to an external information processing terminal (e.g., computer)379/142.17Having display unitExaminersPrimary: Dwyer, James L.Assistant: Chan, Wing F. Attorney, Agent or FirmForeign Patent References
International ClassesH04M 011/04H04M 003/42 H04M 003/00 G08B 025/00 AbstractA computer-based system for receiving emergency telephone calls which, upon receipt of the call, provides a voice connection to the operator as well as displaying a map showing the location of the calling party and other relevant textual information. The system is interfaced to a public or private telephone network and provides switching and other telephone functions for controlling and distributing both voice and data to other operators in the system.Other References
Field of SearchCentral office responsive to emergency call or alarm (e.g., "911", operator position display)Central station with plural substations EMERGENCY OR ALARM COMMUNICATIONS (E.G., WATCHMAN'S CIRCUIT) Personal monitoring (e.g., for the ill or infirm) Plural conditions Display board Predetermined rate of occurrence Time delay Entrance/exit Condition persistence Capacitor With particular coupling link With map display Position indication transmitted at periodic intervals (e.g., distance travelled) Lights communicate (e.g., direction, altitude, reference position to observer) SYSTEMS Mapping | |
