Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2007-10-09
2007-10-09
Anderson, Matthew D. (Department: 2618)
Telecommunications
Radiotelephone system
Special service
C709S201000
Reexamination Certificate
active
09929979
ABSTRACT:
A system and method for determining the context of a wireless device is disclosed. An emitter (108) transmits an infrared signal to a wireless client (112). Emitter (108) is placed at a known location and has a known coverage area associated therewith. The location and coverage area form a locational context for emitter (108) and a client (112) located within the coverage area. Emitter (108) receives data from a service provider (102). The received data is relevant to the locational context of emitter (108). Emitter (108) transmits the data to client (112) using a diffuse infrared signal (142). Client (112) receives the signal and processes it such that only information of interest to a user of client (112) is displayed.
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