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LOUDSPEAKER DIAPHRAGM AND LOUDSPEAKER INCLUDING THE LOUDSPEAKER DIAPHRAGM

  • US 20110317869A1
  • Filed: 06/23/2011
  • Published: 12/29/2011
  • Est. Priority Date: 06/25/2010
  • Status: Active Grant
First Claim
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1. A loudspeaker diaphragm, comprising:

  • a diaphragm portion; and

    an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm portion, wherein;

    the diaphragm portion comprises, at an outer peripheral end thereof, an outer wall portion provided upright in a direction substantially parallel to a vibrating direction of the diaphragm portion;

    an inner peripheral surface of the edge portion is bonded onto an outer peripheral surface of the outer wall portion; and

    the outer wall portion has a height larger than a thickness of the diaphragm portion.

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