Analog sensor(s) with snap-through tactile feedback

CAFC
  • US 6,563,415 B2
  • Filed: 09/18/2001
  • Issued: 05/13/2003
  • Est. Priority Date: 07/05/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A pressure-sensitive variable-conductance analog sensor with tactile feedback actuatable by a single human finger, comprising;

  • a housing;

    electrically highly conductive elements at least in-part within said housing;

    a depressible actuator retained by said housing and in-part exposed external to said housing for depression by a single human finger;

    a resilient snap-through dome-cap positioned within said housing and depressible with force from said actuator applied to said dome-cap to cause said dome-cap to snap-through and create a snap-through tactile feedback detectable by the finger depressing the actuator; and

    pressure-sensitive variable-conductance material positioned within said housing, said pressure-sensitive variable-conductance material electrically positioned as a variably conductive element between said highly conductive elements, said pressure-sensitive variable-conductance material further positioned for receiving force applied to said dome-cap.

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