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Phosphorescent key pad

  • US 5,073,843 A
  • Filed: 10/31/1990
  • Issued: 12/17/1991
  • Est. Priority Date: 10/31/1990
  • Status: Expired due to Fees
First Claim
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1. A key pad illumination kit for a key pad, the key pad comprising a plurality of keys for being selectively pressed by a user, each key of the key pad having informational indicia for indicating to the user functionality information of that respective key of said plurality of keys, said key pad illumination kit comprising:

  • a backing material;

    a plurality of individual informational indicia units, each informational indicia unit of said plurality of informational indicia units having a first side and a second side, said first side of each said informational indicia unit having an indicia thereon corresponding to the informational indicia of a respective key on the key pad, said informational indicia units having a phosphorescent property which illuminates said indicia in darkened environments, said second side of said informational indicia units having an adhesive backing, each second side of said informational indicia unit being releasably attached to said backing material;

    wherein a selected informational indicia unit may be removed from said backing material and placed upon the key pad adjacent the respective key thereof in order that the phosphorescence of the informational indicia unit in combination with the indicia thereon informs the user of the function indicia of the respective key in darkened environments of use.

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