Magnetic shielding apparatus and magnetic field measuring apparatus using same

Magnetic shielding apparatus and magnetic field measuring apparatus using same

  • CN 1,878,458 A
  • Filed: 06/09/2006
  • Published: 12/13/2006
  • Est. Priority Date: 06/10/2005
  • Status: Active Grant
First Claim
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1. magnetic field shielding device is used to shield the component perpendicular to the direction of single axle in external magnetic field, it is characterized in that,Described magnetic field shielding device comprises:

  • the magnetic field shielding door that constitutes and constitute and carry out the switching of aforementioned peristome by high permeability materials around the magnetic field shielding cylindrical body with peristome of aforementioned single axle configuration, by high permeability materials,Described magnetic field shielding device also comprises electrical connection and/or magnetic connecting elements, by the aforementioned magnetic field shield door move aforementioned peristome closing state under, aforementioned magnetic field shielding cylinder body is electrically connected with the aforementioned magnetic field shield door for described electrical connection and/or magnetic connecting elements and/or magnetic couples together.

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