Communications apparatus, system and method of creating a...

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Reexamination Certificate

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Details

C375S299000, C375S338000, C370S225000, C370S242000

Reexamination Certificate

active

07746949

ABSTRACT:
A communications apparatus is capable of being disposed in-line in a communications link that supports a main communications channel. The communications link connects a first host to a second host. The communications apparatus comprises an application logic that supports a sub-channel within the main channel. When the main channel is potentially faulty, the application logic is arranged to monitor the main channel to determine an error condition and send a message by replacing data reserved for control purposes in order to communicate the error condition as sub-channel data.

REFERENCES:
patent: 6424627 (2002-07-01), Sørhaug et al.
patent: 2002/0029293 (2002-03-01), Chakravarthi et al.
patent: 1 524 807 (2005-04-01), None

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