System and apparatus for performing broadcast and localcast...

Telecommunications – Transmitter – Plural modulation

Reexamination Certificate

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Details

C455S561000, C455S552100, C455S108000, C455S110000

Reexamination Certificate

active

07577407

ABSTRACT:
Described is a communication system including mobile communication devices. In the described system, the mobile devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” mode and transmit and/or receive data in a “localcast” mode. The localcast mode includes the ability to transmit and receive data in a peer-to-peer fashion, allowing mobile devices to communicate directly with each other. The ability to combine two of these communication modes in a small, integrated and hence inexpensive and low-power package provides many advantages over existing personal communication device solutions.

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