Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
2011-02-22
2011-02-22
Tran, Tuan A (Department: 2618)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S041200, C455S003010, C455S003050, C455S003060, C455S507000, C455S513000, C455S566000, C455S090100, C455S090200, C709S206000
Reexamination Certificate
active
07894837
ABSTRACT:
A handheld instant messaging terminal manages multiple conversation sessions across multiple instant messaging services. The handheld terminal includes a handheld terminal housing, a data entry device integrated in the terminal housing, the data entry device generates textual characters and graphical symbols in response to actuation of the data entry device, a display mounted in the terminal housing to display textual characters and graphical symbols including the textual characters and graphical symbols generated by the data entry device, an Internet protocol communications module located within the handheld terminal housing to generate instant messaging (IM) data messages in an Internet protocol that include the textual characters and graphical symbols generated by the data entry device, a wireless transceiver mounted within the handheld terminal housing and coupled to the Internet protocol communications module to generate wireless data messages corresponding to the IM data messages that radiate from an antenna coupled to the wireless transceiver, and a control module located within the housing and coupled to the Internet protocol communications module, the control module including at least one processor that executes an application program to implement instant messaging and session protocols for IM data messages communicated during at least one conversation session through the Internet protocol communications module and the wireless transceiver.
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Dean Michael P.
Greer, IV Frank U.
Heredia Rafael
Maginot Moore & Beck LLP
Tran Tuan A
Zipit Wireless, Inc.
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