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Holographic Key Labeling Disclosure Number: IPCOM000068151D
Original Publication Date: 1979-Nov-01
Included in the Prior Art Database: 2005-Feb-20

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Hutton, DW [+details]


This article describes a system for changing the visual labels on the keys of a keyboard, when the function that the key initiates is changed. by using a holographic image on a plate of transparent material which is positioned over the keyboard.