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US 2003/0190182 A1Published application
Ergonomic keyboard
AssigneeDarfon Electronics Corp.
InventorChou-Nan Huang
Life of this patent
Estimating the term…
Abstract
An ergonomic keyboard. The keyboard includes a main body and first, second and third key groups disposed thereon. The third key group is arranged between the first key group and the second key group. The top surfaces of the keys of the first key group and the second key group are inclined to the third key group by a first angle, such that the keyboard can be more ergonomically sound.
Claims15
A key structure, comprising:
- a key cap, having a top surface with a plurality of top edges and a plurality of side surfaces extending from the top edges, each side surface having a bottom edge, the bottom edges forming a bottom surface;
- wherein the projection of the top edge on the bottom surface and the bottom edge of the same side surface form a first included angle.
A keyboard, comprising:
- a main body;
- a first key group, having a plurality of first keys with a first key cap and a first connection portion, the first keys movably connected to the main body through the first connection portions, each of the first key caps having a first top surface with a plurality of first top edges and a plurality of first side surfaces extending from the first top edges, each of the first side surfaces having a first bottom edge, the first bottom edges forming a first bottom surface;
- and
- wherein the projection of each of the first top edges is inclined clockwise to the first bottom edge of the same first side surface by an included angle.
1 more element
A keyboard, comprising:
- a main body;
- a first key group, having a plurality of first keys with a first key cap and a first connection portion, the first keys movably connected to the main body through the first connection portions along a predetermined line, each of the first key caps having a first top surface with a first symmetrical axis;
- and
- wherein each of the first symmetrical axes is inclined to the predetermined line by a first acute angle.
1 more element
Dependencies are inferred from the claim text.