×

MRI-safe Electro-magnetic Tranducer

  • US 20090134721A1
  • Filed: 01/05/2009
  • Published: 05/28/2009
  • Est. Priority Date: 04/01/2002
  • Status: Active Grant
First Claim
Patent Images

1. An electromagnetic transducer comprising:

  • a housing;

    at least one coil associated with the housing;

    a spherical magnet within the housing, the magnet substantially restricted to rotation in any direction and movement along an axis; and

    a first keeper and a second keeper positioned on opposite sides of the magnet, both the first keeper and the second keeper including magnetically soft material.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×