METHOD AND DEVICE FOR FAULT ANALYSIS AND REDUNDANCY SWITCHING IN A POWER SUPPLY FOR AN INSTRUMENT CABLE TOWED IN WATER
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 26, 2011
filing date -
Oct 28, 2010
priority date (Note) -
Abandoned
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Abstract
Device (21) for fault analysis and redundancy switching for a multi-section instrument cable, such as a marine seismic streamer, which multi-sectional instrument cable includes a number of conductor pairs (20a-b) for power supply and data transfer, which device (21) for fault analysis and redundancy switching is arranged in connection with a power supply for the multi-section instrument cable. The device (21) for fault analysis and redundancy switching is provided with means (22a-b) for controlling main power of conductor pairs (20a-b) of the instrument cable and means (23a-b) for switching between conductor pairs (20a-b) in the instrument cable.
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