Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-02-13
2007-02-13
Gelin, Jean (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S068000, C455S457000, C455S461000, C455S435100, C343S760000, C340S994000, C701S208000
Reexamination Certificate
active
09668502
ABSTRACT:
A wireless communications system is presented where a mobile station is able to automatically determine its proximity to a second mobile station or landline telephone. Once the proximity determination command has been given, no further actions are required by the users of either telephone. A GPS receiver connected to the first mobile station is able to provide that mobile with its position and direction. The first mobile station makes a request to the other telephone for its position, through SMS messaging for example. A GPS receiver connected to the second mobile station is able to provide the second mobile station with data to enable the position request. Trust determinations can be enabled so that position data is sent to a restricted list of requesting telephone numbers. Likewise, the second mobile station can request position data from the first mobile station. When position information is requested from a landline telephone, the request can be fulfilled by the landline telephone service provider. A method for automatically exchanging position information is also provided.
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Brady III Wade James
Desir Pierre-Louis
Gelin Jean
Neerings Ronald O.
Telecky , Jr. Frederick J.
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