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US 8,158,900 B2Granted
Apparatus and method concerning modular keypad assembly
AssigneeNokia Corporation
InventorEsa-Sakari Määttä
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Abstract
An apparatus that forms or includes a modular keypad the keypad including a replaceable key structure including a set of keys comprising projecting key tops, a replaceable front panel, and a replaceable light guide structure underneath the front panel configured to provide illumination for the modular keypad. A method for assembling a modular keypad is also disclosed.
Claims17
An apparatus, wherein the apparatus comprises a modular keypad comprising:
- a key structure comprising a set of keys comprising projecting key tops,
- a front panel,
- a light guide structure underneath the front panel, the light guide structure comprising a plurality of light guide channels configured to provide illumination for the modular keypad, and
- a supporting frame comprising grooves for housing light guide channels of the light guide structure, the supporting frame further forming holes for conducting light to the light guide channels from at least one light source of the apparatus.
1 more element
Dependencies are inferred from the claim text.