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    • 8. 发明授权
    • Numeric keypad configuration
    • 数字键盘配置
    • US5926119A
    • 1999-07-20
    • US771721
    • 1996-12-20
    • Phillip E. LindemanRudy Krolopp
    • Phillip E. LindemanRudy Krolopp
    • H04M1/02H04M1/23H03K17/94
    • H04M1/0202H04M1/23
    • A numeric keypad configuration facilitates accurate keypresses by varying key heights to provide obvious tactile feedback to a user. A home key (160) in a keypad (100) has a lower height (265) than the other keys in the matrix. After locating the home key using touch, surrounding keys can be quickly and accurately located also without looking at the keypad. Additionally, instead of printing a number or letter on the surface of a small key, alphanumeric labels (120) are provided in the spacing area between the keys on the telephone front housing (180) and illuminated, thus improving visibility of the numbers and letters in dim lighting situations. This numeric keypad configuration can be used on cellular telephone keypads or any electronic device where a small numeric keypad is desirable.
    • 数字键盘配置通过改变键高度来促进准确的按键,以向用户提供明显的触觉反馈。 小键盘(100)中的主键(160)具有比矩阵中的其它键更低的高度(265)。 使用触摸定位主键后,可以快速准确地定位周围的键,而不必看到键盘。 此外,代替在小键盘的表面上打印数字或字母,在电话前壳(180)上的键之间的间隔区域中设置字母数字标签(120)并被照亮,从而提高数字和字母的可视性 在昏暗的照明情况下。 该数字小键盘配置可用于蜂窝电话键盘或任何需要小数字键盘的电子设备。