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Secure transmission cable

  • US 20080122617A1
  • Filed: 10/22/2007
  • Published: 05/29/2008
  • Est. Priority Date: 04/21/2005
  • Status: Active Grant
First Claim
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1. A secure data transmission cable assembly for electronically transmitting secure data in a secure manner between remote locations comprising:

  • a longitudinal reinforcing member having a degree of stiffness extending generally centrally of said cable;

    a plurality of buffer tubes surrounding said reinforcing rod;

    at least one communications fiber carried in each of said buffer tubes for transmitting secure data;

    a plurality of sensor fibers surrounding said buffer tubes for detecting unauthorized activity relative to said communication fibers and preventing access to said communication fibers, said sensor fibers adapted and arranged to receive optical pulse signals which are transmitted along said sensors fibers whereby reflected signals of said pulse signals are reflected back along said sensor fibers; and

    an outer protective layer surrounding said sensor fibers; and

    whereby said reflected signals may be analyzed to determine the nature and location of any unauthorized activity and an alarm notice communicated to security personnel in order to respond to the activity and protect the secure data.

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