05388147 is referenced by 512 patents and cites 9 patents.

A cellular telecommunication switching system responsive to an emergency call from a cellular telephone to request that the geo-coordinates be transmitted from the cellular telephone and to convert those coordinates into conventional municipality or rural address location information. In one embodiment, the cellular telecommunication switching system utilizes an internal database to convert the geo-coordinates to location information. In another embodiment, the cellular telecommunication switching system utilizes an external database to perform this conversion. In yet a third embodiment, a cellular telephone performs the conversion and transmits to the cellular telecommunication switching system the location information.

Title
Cellular telecommunication switching system for providing public emergency call location information
Application Number
8/113948
Publication Number
5388147
Application Date
August 30, 1993
Publication Date
February 7, 1995
Inventor
Gary J Grimes
Thornton
CO, US
Agent
John C Moran
Assignee
AT&T
NJ, US
IPC
H04M 11/00
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