| 摘要 |
<p>A human engineering keyboard suitable for single-hand operation, it includes a casing, a circuit plate assembled in the casing, conducting wire which is connected with an outgoing circuit of said circuit plate, and keys of facade of the casing. Arrange of said keys are divided into at least 9 small regions or arrange of said keys near to said small regions, keys of said small regions are wrapped-around arrangement. Arrange-shape of said keys may be annulus shape, ellipse shape, kidney shape, and regulations shape. Said keyboard may be operated by the single-hand, other hand may put down or other work, or the left and right hands else may work alternatively for reducing intensity of work. The volume of said keyboard is reduced about 60 % compared with normal keyboard and as well reduced emploing space.</p> |
