Communications: directive radio wave systems and devices (e.g. – Directive – Position indicating
Patent
1995-06-06
1998-11-10
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Position indicating
342463, 342464, G01S 302
Patent
active
058350616
ABSTRACT:
A geographic-based communications service system has a mobile unit for transmitting/receiving information, and access points connected to a network. The access points are arranged in a known geographic locations and transmit and receive information from the mobile unit. When one of the access points detects the presence of the mobile unit, it sends a signal to the network indicating the location of the mobile unit and the information requested by the mobile unit. Based on the signal received from the access point, the network communicates with information providers connected to the network and provides data to the mobile unit through the access point corresponding to the location of the mobile unit.
REFERENCES:
patent: 4845504 (1989-07-01), Roberts et al.
patent: 5365516 (1994-11-01), Jandrell
patent: 5487103 (1996-01-01), Richardson et al.
patent: 5511233 (1996-04-01), Otten
Kivlin B. Noel
Phan Dao L.
Tarcza Thomas H.
Wayport, Inc.
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