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LIGHT-SENSITIVE KEYBOARD

  • US 20090140891A1
  • Filed: 10/10/2008
  • Published: 06/04/2009
  • Est. Priority Date: 12/04/2007
  • Status: Abandoned Application
First Claim
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1. A keyboard apparatus to assist a user in identifying accessible labels on keys, the apparatus comprising:

  • an array of keys comprising a modifier key associated with at least one modifiable key, each modifiable key comprising a main label and a secondary label, wherein the secondary label represents a function accessible by activating the modifiable key in combination with the modifier key, and wherein the secondary label comprises a light-reactive material visible only upon irradiation with light having a predefined wavelength;

    a light-emitting device to direct light having the predefined wavelength towards the array; and

    a control element to activate the light-emitting device to illuminate the secondary label upon activation of the modifier key.

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