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US 2008/0173529 A1Published application
Collapsible keyboard
AssigneeDarfon Electronics Corp.
InventorChien-Shih Hsu
Life of this patent
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Abstract
A collapsible keyboard comprises a first key assembly, a second key assembly rotatably connected to the first key assembly and a third key assembly rotatably connected to the second key assembly. The first key assembly is located between the second and third key assemblies when the collapsible keyboard is in a collapsed mode, and the first key assembly, the second and third key assemblies are substantially located on the same level when the collapsible keyboard is in an operating mode.
Claims7
1-21. (canceled)
A collapsible keyboard, comprising:
- a first key assembly comprising a first protrusion and a first recess;
- and
- a second key assembly rotatably connected to the first key assembly and comprising a second protrusion and a second recess;
- when the collapsible keyboard is in an operating mode, the first key assembly and the second key assembly are substantially located on the same level, and the first protrusion is fitted in the second recess and the second protrusion is fitted in the first recess.
1 more element
A collapsible keyboard, comprising:
- a second key assembly;
- a third key assembly rotatably connected to the second key assembly;
- a linkage respectively pivoted to the second and third key assemblies;
- a first side plate pivoted to the second key assembly;
- and
- a second side plate respectively pivoted to the third key assembly and the first side plate.
3 more elements
Dependencies are inferred from the claim text.