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Ultra low travel keyboard

  • US 9,997,306 B2
  • Filed: 10/30/2015
  • Issued: 06/12/2018
  • Est. Priority Date: 09/28/2012
  • Status: Active Grant
First Claim
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1. A keyboard key, comprising:

  • a key cap;

    a combined force sensor and actuator coupled to the key cap, comprising;

    a first conductive plate;

    a second conductive plate; and

    an electroactive polymer positioned between the first and second conductive plates;

    wherein the combined force sensor and actuator;

    produces an electrical response when the electroactive polymer is deformed due to a force applied to the key cap; and

    provides an excitation of the key cap in response to the force applied to the key cap and an electrical signal provided to the electroactive polymer.

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