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Switch device

  • US 7,763,819 B2
  • Filed: 06/21/2005
  • Issued: 07/27/2010
  • Est. Priority Date: 06/22/2004
  • Status: Active Grant
First Claim
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1. A switch device, comprising:

  • a sensor for sensing an operation input of a user comprising a first electrode and a second electrode opposed to the first electrode, the first electrode including an elastic plate member arranged to be switchable between a first stable posture in which the first electrode is at a switch input cancellation position, and a recessed second stable posture in which the first electrode is at a switch input position;

    a switch device external wall portion; and

    first and second switch device sealing portions arranged inside the switch device external wall portion, the first and second switch device sealing portions bonded together at a joint to form a sealed internal space in which the first and second electrodes are disposed, the joint being covered by the switch device external wall portion;

    the first switch device sealing portion being operably connected to the first electrode such that the posture of the first electrode is changed from the first stable posture to the second stable posture when an operation input of a user is applied to the first switch device sealing portion, and such that the first switch device sealing portion applies an elastic restoring force to the first electrode while the first electrode is in the second stable posture;

    wherein, after the operation input of a user is released, the posture of the first electrode is returned from the second stable posture to the first stable posture by the elastic restoring force of the first switch device sealing portion.

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