×

Reducing inductive heating

  • US 9,325,183 B2
  • Filed: 12/21/2012
  • Issued: 04/26/2016
  • Est. Priority Date: 12/21/2012
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus comprising an audio transducer having a magnet assembly, wherein the magnet assembly comprises:

  • at least two magnet assembly components; and

    an eddy current heating reduction system configured to reduce heating of the magnet assembly by magnetic fields, where the eddy current heating reduction system comprises electrical insulation sandwiched between the at least two magnet assembly components, and by providing at least one of the at least two magnet assembly components with a divided current loop area having at least two planar spaced subsections formed by at least one cut or gap, where the at least two planar spaced subsections are aligned in a common plane forming a majority of the divided current loop area in the common plane.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×