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US 2001/0055003 A1Published application
Keyboard
AssigneeLeadtek Research Inc.
InventorsChing-Shou Chi, Yang-Wei Wu, Hsi-Fu Chang
Life of this patent
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Abstract
A keyboard with a numbers of keys disposed on the base is capable of showing the three-dimensional characters. Each key includes a shell and a three-dimensional character embedded in the shell. Combined with an illuminant module positioned between the base and keys for providing the light source, the three-dimensional characters can be shown clearly and distinguishably by utilizing the color contrast relation with light between the light-colored transparent three-dimensional characters and dark-colored or opaque shells.
Claims15
A keyboard, comprising:
- a base;
- and
- a plurality of keys disposed on the base, wherein each key comprises a transparent shell and a three-dimensional character embedded in the shell.
A key, comprising:
- a transparent shell;
- and
- a dark-colored pillared three-dimensional character, embedded in the shell.
Dependencies are inferred from the claim text.