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Stress-Limiting Device For Forced-Based Input Panels

  • US 20090316380A1
  • Filed: 05/20/2009
  • Published: 12/24/2009
  • Est. Priority Date: 05/20/2008
  • Status: Abandoned Application
First Claim
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1. A system for preventing damage to a force-based input device caused by the application of excessive force, comprising:

  • a force-based input device comprising an input panel supported by a plurality of beam segments, each of the plurality of beam segments having an end fixed relative to a chassis and a movable end coupled to the input panel;

    sensing means that emit an electrical signal proportional to a deflection of the plurality of beam segments along a translational axis substantially perpendicular to the plane of the input panel; and

    a stress-limiting device operable about the movable end of each of the plurality of beam segments to facilitate limited deflection of the beam segment within a pre-determined range.

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