Multiplex communications – Communication over free space – Message addressed to multiple destinations
Reexamination Certificate
2005-01-11
2005-01-11
Phan, Man (Department: 2665)
Multiplex communications
Communication over free space
Message addressed to multiple destinations
C370S338000, C370S346000, C370S446000, C709S203000, C455S436000, C455S503000, C340S870030
Reexamination Certificate
active
06842433
ABSTRACT:
A method of transmitting information to a portable computing device comprises, using a first communication protocol, transmitting a client to the portable computing device. The client configures the portable computing device to communicate with a distributor using a data transfer communication protocol. Using the data transfer communication protocol, the information is transmitted from the distributor to the portable computing device. Transmitting the information includes generating, at the distributor, a polling signal, detecting, at the distributor, an acknowledgement signal generated, in response to the polling signal, by the portable computing device, and generating, in response to the acknowledgement signal, a broadcast signal incorporating the information.
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Kato Saul
Van Vorst Daryl
West Gerry
Fenwick & West LLP
Phan Man
Wideray Corporation
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