Multiplex communications – Duplex – Convertible to half duplex
Reexamination Certificate
2006-01-11
2011-10-11
Wu, Daniel (Department: 2612)
Multiplex communications
Duplex
Convertible to half duplex
C370S276000, C455S514000
Reexamination Certificate
active
08036149
ABSTRACT:
In the multi-casting communication system, on receipt of a signal transmitted from one of mobile communication terminals with a half-duplex communication switch thereof being on, the PoC server records a user of the mobile communication terminal in a subscriber list as a next speaker, if there is another mobile communication terminal presently making multi-casting communication, and further if no mobile communication terminals are recorded in the subscriber list. Thus, it is clear who speaks next.
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Foley & Lardner LLP
NEC Corporation
Ott Frederick
Wu Daniel
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