| 摘要 |
A touchpad having a plurality of distinct zones, wherein movement of a user's finger on the surface of the touchpad between zones, the act of lifting a finger off of the touchpad surface, the act of placing a finger on the touchpad surface, and the movement of a specific pattern of a finger within a single zone are all actions that will generate characters that are transmitted from the touchpad to a receiving device. A small number of movements of a finger across the touchpad are thus capable of generating a large number of characters for use in a password or code, and thereby take advantage of the security benefits that can be achieved, but without having to memorize the exact password, but only a few movements of a finger or stylus.
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