Automatic detection and processing of asynchronous data for bandwidth reduction
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United States of America Patent
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Feb 19, 2013
Grant Date -
Dec 7, 2006
app pub date -
Jun 1, 2005
filing date -
Jun 1, 2005
priority date (Note) -
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Abstract
The present invention relates to methods, apparatuses, and systems for relaying data involving obtaining a data stream from a data source, forwarding the obtained data stream over a network, while forwarding the obtained data stream over the network, monitoring the obtained data stream to detect a data transfer mode associated with inclusion of synchronization characters in the obtained data stream, and if the data transfer mode is detected, removing a plurality of synchronization characters from the obtained data stream to produce a bandwidth-reduced data stream and forwarding the bandwidth-reduced data stream instead of the obtained data stream over the network. Synchronization characters may comprise start bits, stop bits, and idle bits. The data transfer mode may be an asynchronous data transfer mode based on a V.14 standard. Also, the asynchronous data transfer mode may be detected by decoding a predetermined number of valid V.14 frames from the obtained data stream.
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