Method and apparatus for geographic-based communication service

B Stewart - US Patent App. 09/755,524, 2001 - Google Patents
(57) ABSTRACT A geographic-based communications Service System has a mobile unit for
transmitting/receiving information, and access points connected to a network. The access …
被引用次数：38 相关文章

Method and apparatus for geographic-based communication service

BB Stewart - US Patent App. 09/755,524, 2001 - freepatentsonline.com
A geographic-based communications service system has a mobile unit for
transmitting/receiving information, and access points connected to a network. The access …