Ethernet isolator for microphonics security and method thereof
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United States of America Patent
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Jun 12, 2012
Grant Date -
Jun 25, 2009
app pub date -
Nov 21, 2008
filing date -
Dec 19, 2007
priority date (Note) -
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Abstract
A system and method for providing microphonic isolation on a transmission line. The transmission line has a first part and a second part. The first part of transmission line carries a data signal and a microphonic signal. The microphonic signal has frequencies that include those in a range of substantially 20 Hz to substantially 20 kHz. The system includes an isolation apparatus. The isolation apparatus has an input in electrical communication with a first part of the transmission line, an output in electrical communication with the second part of the transmission line, and a filter in electrical communication with the input and the output. The filter is arranged to substantially remove the microphonic signal received at the input from first part of transmission line and pass the data signal to the output.
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