Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-06-11
2000-11-14
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455432, H04Q 720
Patent
active
061482021
ABSTRACT:
A method and apparatus for locating and communicating with vehicles is provided, including at least one mobile cellular unit connected to at least one microprocessor and installed within a vehicle. The microprocessor interrogates the mobile cellular unit to obtain location information from an overhead message stream transmitted from cellular telephone transmitter sites. The location is displayed on a display located in the vehicle or the microprocessor periodically instructs the mobile cellular unit to initiate a call to a host controller and, upon receipt of transmitting instructions from the host controller, transmits the location information for display on a screen connected to the host controller.
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@TRACK Communications, Inc.
Banks-Harold Marsha D.
Eisenzopf Reinhard J.
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