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Interactive piano training system

  • US 9,836,992 B2
  • Filed: 08/21/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 08/22/2013
  • Status: Active Grant
First Claim
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1. A piano training device, comprising:

  • a keyboard comprising a plurality of illuminable keys, each illuminable key of the plurality of illuminable keys having;

    an associated electroluminescent light source, the electroluminescent light source being oriented to transmit light toward a front surface of the key, the illuminable key being configured to redirect light transmitted from the electroluminescent light source from under a top surface of the illuminable key through the top surface of the illuminable key; and

    an associated light guide, the light guide configured to further redirect the light transmitted from the electroluminescent light source through the top surface of the illuminable key, the light guide being configured with a set of light transmission prevention properties such that at least a portion of the light from the light guide is prevented from being transmitted through a second light guide, the set of light transmission prevention properties including light prevention obtained by applying a coating to one or more surfaces of the light guide.

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