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Automatically relegendable keyboard

  • US 4,348,660 A
  • Filed: 09/09/1980
  • Issued: 09/07/1982
  • Est. Priority Date: 09/09/1980
  • Status: Expired due to Term
First Claim
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1. In automatically relegendable keyboard apparatus, the combination comprising(a) an endwise elongated belt having keyboard legends thereon,(d) drive means engaging the belt to drive the belt endwise and present a selected portion of the keyboard belt in a planar viewing zone, and(c) a transparent key panel at the front side of said belt portion presented at said viewing zone, with associated means to provide an electrical output corresponding to the location of a selected area of the panel to which the user'"'"'s finger is applied, there being multiple of said selected areas of the key panel corresponding to legends on said selected portion of the belt which are viewable through the transparent key panel,(d) the key panel overlying the belt, and there being a rigid protective transparent panel sandwiched between said selected portion of the belt and said key panel so that the rigid panel and the key panel both overlie the belt, the rigid panel blocking motion transmission from the key panel to the belt.

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