Multiplex communications – Pathfinding or routing – Store and forward
Reexamination Certificate
2005-02-22
2005-02-22
Nguyen, Steven (Department: 2665)
Multiplex communications
Pathfinding or routing
Store and forward
C370S338000, C714S748000
Reexamination Certificate
active
06859462
ABSTRACT:
A sender platform and a receiver platform, at least one of which is a handheld wireless communicating device, communicate digital data packets that are grouped into sequentially transmitted transactions. The data packets include not only the information to be communicated but also tokens. Each transaction is encoded with Begin and End tokens such that the Receiver can detect when the transmission of a transaction has been successfully completed. If communication is undesirably interrupted during transmission, the sender and receiver reconnect and resume the transfer at the point at which the last transaction failed to completely transfer. Any transaction that the receiver did not receive completely is rolled back.
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Mahoney Margaret Mary
Poor Graham V.
Nguyen Steven
Orative Corporation
Shemwell Gregory & Courtney LLP
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