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Shielded cable, and bioelectrical impedance value or biological composition data acquiring apparatus using the same

  • US 7,317,161 B2
  • Filed: 11/02/2004
  • Issued: 01/08/2008
  • Est. Priority Date: 11/07/2003
  • Status: Active Grant
First Claim
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1. A shielded cable comprising:

  • a core wire for carrying an electrical signal,a shield provided around the circumference of the core wire, anda drive circuit on a line electrically connecting the core wire to the shield,wherein the shield is drivable to act as an active shield for shielding the core wire from outside, responsive to an output voltage from the drive circuit, andwherein the drive circuit has a band limiting circuit for decreasing the output voltage in a predetermined frequency band such that the shield does not act as the active shield.

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