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US 5,164,723 AGranted
Configurable keyboard
OwnerIsrael D. Nebenzahlinventor
Life of this patent
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Abstract
A keyboard has a plurality of key operated switches, each including a key having a manually engagable key surface. The keyboard selectively determines the function produced by operation of the key operated switches, and displays on each key its current function. The display provides a sensible output indication corresponding to the current function of each key, and includes an elongate strip symbol bearing member located alongside each key and lying in a plane generally perpendicular to the plane of each key surface.
Claims21
A keyboard comprising:
- a plurality of key operated switches, each including a key having a manually engagable key surface lying generally in a plane;
- means for connecting the key operated switches to key operated utilization apparatus;
- and
- display means for providing through said key at said key surfaces a visually sensible output indication representing the function of each key and including an elongate symbol bearing strip member located alongside each key and lying in a plane generally perpendicular to the plane of said key surface.
1 more element
Dependencies are inferred from the claim text.