Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device

Diaphragm for speaker, speaker using the diaphragm, electronic device using the speaker, and speaker-mounted device

  • CN 101,911,725 A
  • Filed: 01/07/2009
  • Published: 12/08/2010
  • Est. Priority Date: 01/18/2008
  • Status: Active Application
First Claim
Patent Images

1. a diaphragm for speaker is characterized in that, contains resin and carbonization bamboo wood material.

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