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Inertial/audio unit and construction

  • US 6,198,206 B1
  • Filed: 03/20/1998
  • Issued: 03/06/2001
  • Est. Priority Date: 03/20/1998
  • Status: Expired due to Term
First Claim
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1. A device housing comprisinga shell having an inner surface and an outer surface, the shell being contoured to cover or at least partially enclose a device, and an electroactive assembly comprising at least a laver of electroactive material;

  • an electrode in direct electrical contact with said material; and

    an insulating film, wherein the material, electrode, and insulating film are each adhesively bonded to the other so as to form a unit in which in-plane strain in said electroactive material is shear coupled between said material, said electrode, and said insulating film, and wherein said assembly includes registration apertures in said film for positioning the sheet on said shell and said assembly is mechanically attached to said inner surface of the shell such that when actuated the assembly transmits energy through the shell as a user-detectable signal.

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