| 摘要 |
A miniature keyboard optimized for use by older persons and the visually impaired is described. In order to quickly learn to use a miniature keyboard on a mobile phone, the present invention highlights a miniature keyboard's most frequently used characters for text messaging, including the alphabetical characters and the space. In a preferred embodiment of the present invention the alphabetical character keys and the space key are grouped together and distinguishable from the miniature keyboard's other keys by contrasting color or shade. In addition, to avoid confusion and clutter, and to maximize the size of the letters imprinted on the alphabetical keys, no other character is imprinted on the top surface of any alphabetical key. The group of alphabetical keys and the space key is symmetrically centered on the keyboard, making it easier to locate said keys and to reduce the risk of a repetitive strain injury. |
| 主权项 |
1. A miniature keyboard comprising:
a plurality of keys for inputting data to an electronic device; said keys generate at least the letters of the alphabet, space, and numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0; and the alphabetical character keys and space key are grouped together by a single color or shade, which is different than the color or shade of all other keys on the keyboard. |
