Information exchange system

Details Information exchange system Information exchange system

2007-02-27

2007-02-27

Anderson, Matthew D. (Department: 2618)

Telecommunications

Radiotelephone system

Special service

C455S414400, C455S414100

Reexamination Certificate

active

10819647

ABSTRACT:
A control apparatus controls information exchange among portable terminals which perform wireless communication via a communication network. A unit accepts a specific information-provision request from a first portable terminal. A unit determines a prescribed area based on the accepted information-provision request. A unit sends the information-provision request to a second portable terminal in the prescribed area. A unit accepts a response to the information-provision request from the second portable terminal. A unit sends the response to the information-provision request to the first portable terminal.

REFERENCES:
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patent: 6424705 (2002-07-01), Kikuchi et al.
patent: 2003/0005121 (2003-01-01), Washio et al.
patent: 2005/0249351 (2005-11-01), Miyahara
patent: 2001-331443 (2001-11-01), None
patent: 2001-333451 (2001-11-01), None
patent: 2002-058069 (2002-02-01), None
patent: 2002-165009 (2002-06-01), None
patent: 2003-016005 (2003-01-01), None
patent: 2003-061154 (2003-02-01), None

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