07257392 is referenced by 73 patents and cites 57 patents.

A system is provided for delivery of services to at least one mobile device adapted to communicate in a wireless manner including a plurality of communication/detection devices. Each of the communication/detection devices is adapted to detect the presence of the mobile device when the mobile device is within the range thereof. Each communication/detection device is adapted to communicate information between the mobile device and the communication/detection device when the mobile device is within the range thereof. The system includes at least one multiplexer in communication with at least one of the communication/detection devices and at least one server including content stored thereon to provide at least one service to the client program on mobile device. The server is in communication with the multiplexer. The service to be provided to the mobile device depends on which one of the plurality of communication/detection devices is in communication with the mobile device.

Title
Systems, devices, and methods for providing services in a proximity based environment
Application Number
11/56429
Publication Number
7257392 (B2)
Application Date
February 11, 2005
Publication Date
August 14, 2007
Inventor
Mark D Pollard
Pittsburgh
PA, US
Chanakya C Damarla
Pittsburgh
PA, US
Hong Da Tang
Pittsburgh
PA, US
Agent
Wolf Greenfield & Sacks P C
Assignee
PanGo Networks
MA, US
IPC
H04Q 7/20
H04M 11/04
View Original Source