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US 2003/0112160 A1Published application
Rotary knob structure
AssigneeSilitek Corporation
InventorsI Hsiung, Chi-Jen Hsueh
Life of this patent
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Abstract
A rotary knob, particularly an illuminant rotary knob, provides function selection and execution through single-handed operation. The invention includes a light transparent light guide to couple with a compiling controller to facilitate user operations. A plurality of illuminant elements are located around the compiling controller to project light through the light guide to give the rotary knob an illuminant effect.
Claims7
A rotary knob structure located on a keyboard, comprising:
- a compiling controller located in the keyboard, which has a rotary rod can be turned to output corresponding signals and can be depressed to output execution signals;
- a plurality of illuminant elements located around the compiling controller;
- a light guide located on the keyboard at a location corresponding to the compiling controller, which is light transparent;
- and
- a cap latched on the light guide and coupled with the rotary rod of the compiling controller, for controlling the light guide to turn the rotary rod.
2 more elements
Dependencies are inferred from the claim text.