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SOUND-REPRODUCING APPARATUS, LIGHTING APPARATUS, AND SUSPENDED OPENING AND CLOSING APPARATUS

  • US 20130070949A1
  • Filed: 08/20/2012
  • Published: 03/21/2013
  • Est. Priority Date: 09/16/2011
  • Status: Abandoned Application
First Claim
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1. A sound-reproducing apparatus, comprising:

  • plural coupling portions disposed at positions corresponding to vertices of an assumed first regular tetrahedron and second regular tetrahedron in a duality relation with each other;

    plural rods connecting adjacent coupling portions to each other among said plural coupling portions;

    plural shell portions joined to said plural rods;

    an actuator disposed outside one coupling portion selected from said plural coupling portions with respect to a center of said first regular tetrahedron or a center of said second regular tetrahedron, said actuator being connected with said one coupling portion; and

    first, second, and third speakers disposed or, of the four coupling portions disposed at positions corresponding to the vertices of the one of said first and second regular tetrahedra including said one coupling portion, three coupling portions excluding said one coupling portion.

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