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US 7,131,781 B2Granted
Keyboards
AssigneeDarfon Electronics Corp.
InventorsShu-Wen Tzeng, Chun-Chung Huang
Life of this patent
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Abstract
A keyboard. A keyboard subassembly is disposed on a base and moves between a first position and a second position. The keyboard subassembly provides a first angle of elevation when in the first position, and a second angle of elevation when in the second position. The first angle of elevation is less than the second angle of elevation.
Claims13
A keyboard, comprising:
- a base;
- and a keyboard subassembly disposed on the base and moving between a first position and a second position, wherein the keyboard subassembly provides a first angle of elevation when in the first position, and a second angle of elevation when in the second position, and the first angle of elevation is less than the second angle of elevation, and wherein the base further comprises a sliding shaft, and the keyboard subassembly further comprises a first sliding groove in which the sliding shaft slides, wherein the first sliding groove further comprises a plurality of positioning springs, and the sliding shaft achieves different positions in the first sliding groove by means of the positioning springs, respectively.
A keyboard, comprising:
- a base;
- and a keyboard subassembly disposed on the base, moving between a first position and a second position, wherein the keyboard subassembly provides a first operational height when in the first position, and a second operational height when in the second position, and the first operational height is smaller than the second operational height, and wherein the base further comprises a sliding shaft, and the keyboard subassembly further comprises a first sliding groove in which the sliding shaft slides wherein the first sliding groove further comprises a plurality of positioning springs, and the sliding shaft achieves different positions in the first sliding groove by means of the positioning springs, respectively.
Dependencies are inferred from the claim text.