Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2006-06-19
2010-06-15
Nguyen, Tu X (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C709S225000
Reexamination Certificate
active
07738897
ABSTRACT:
A method and system for conducting a dispatch multi-party communication session is disclosed. In accordance with an embodiment of a method of the present invention, the method includes establishing a dispatch multi-party communication session in a dispatch network, conducting a first portion of the session in a broadcast mode, and conducting a second portion of the session in an open mode. In accordance with an embodiment of a system of the present invention, the system includes the dispatch network wherein the network establishes a dispatch multi-party communication session and wherein the network conducts the first portion of the session in the broadcast mode and the second portion of the session in the open mode.
REFERENCES:
patent: 7133896 (2006-11-01), Ogdon et al.
patent: 7330541 (2008-02-01), Surazski et al.
patent: 2004/0098455 (2004-05-01), Ellis et al.
patent: 2005/0034079 (2005-02-01), Gunasekar et al.
patent: 2006/0058052 (2006-03-01), Plestid et al.
Martin David
Szuszczewicz Karalyn
Tillet Dan
Vu Trinh D.
Nextel Communications Inc.
Nguyen Tu X
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