Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-02-21
2006-02-21
Nguyen, Brian (Department: 2661)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S235000, C370S508000
Reexamination Certificate
active
07002972
ABSTRACT:
A facsimile communication system is provided which is capable of sending out picture data from a gateway device on a receiver side to a facsimile device on the receiver side even in the development of delays in communications caused by fluctuations in a communication network and of avoiding a forced breakdown of the facsimile communication occurring based on a judgement by the facsimile communication system that a communication failure has occurred due to the delays in communications.In the facsimile communication system, the gateway device on the receiver side, after receiving a digital instruction (DCS) signal from the gateway device on a sender side, without waiting for the receipt of a receiving preparation confirmation (CFR) signal to be fed from a facsimile device on the receiver side, returns, for itself, the CFR signal to the gateway device on the sender side and then starts to receive picture data from the gateway device on the receiver side. The gateway device on the receiver side starts to send the picture data to the facsimile device on the receiver side when accumulated amounts of received picture data exceeds amounts of data required to prevent communication failures.
REFERENCES:
patent: 6483600 (2002-11-01), Schuster et al.
patent: 6757367 (2004-06-01), Nicol
patent: 6765931 (2004-07-01), Rabenko et al.
Nguyen Brian
Oki Data Corporation
Rabin & Berdo P.C.
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