Input device and password control method used therein

摘要

A password control method used in an input device is provided. The input device has a coordinate output circuit for outputting coordinates corresponding to a movement of the input device and a storage unit for storing information. The method includes the steps of: (a) providing the input device with a plurality of keys for operational inputs, wherein the keys are selected from the group consisting of number keys, letter keys, and a combination of number keys and letter keys; (b) comparing the operational inputs from the keys with a predetermined password; (c) generating an unlock signal if the operational inputs match the predetermined password; and (d) unlocking the locked storage unit according to the unlock signal thereby enabling a computer system to access the storage unit.