Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent
1988-05-13
1990-03-06
Safourek, Benedict V.
Telecommunications
Transmitter and receiver at separate stations
Single message via plural carrier wave transmission
455 54, 455 67, 342463, H04B 100
Patent
active
049072900
ABSTRACT:
A mobile transmitter/receiver is for use in a communication system comprising a plurality of fixed transmitters/receivers located at spaced apart positions in a terrestial area, each fixed transmitter/receiver operating on one or more of a plurality of radio frequency channels. The mobile transmitter/receiver comprises: a transmitting/receiving section for transmitting information to and receiving information from the fixed transmitters/receivers; a location determining section for receiving signals from the fixed transmitters/receivers for determining the location of the mobile transmitter/receiver within the communication system; data storage for storing information relating to radio communication paths from all locations in the area to the fixed transmitters/receivers; a selecting section for determining from the location of the mobile transmitter/receiver determined by the location determining section and the information stored in the data storage a selected one of said communication paths; and a conditioning section for conditioning the transmitting/receiving section in accordance with information stored in the data storage relating to the selected communication path.
REFERENCES:
patent: 4350970 (1982-09-01), Von Tomkewitsch
patent: 4550443 (1985-10-01), Freeburg
patent: 4570227 (1986-02-01), Tachi et al.
King, "High Resolution Automatic Vehicle Locating System", GEC Journal, 1978.
Datatrak Limited
Kuntz Curtis A.
Safourek Benedict V.
Sjoquist Paul L.
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