| 摘要 |
A joystick having pressure-activated switch mounted on an electronic device comprises an upper stick section, including a stick projected vertically, and a lower switch section, including a disk-shaped elastic piece having a convex top surface and a bottom surface corresponding to two contacts of a circuit board, so that user can manipulate stick to move cursor on display of a computer to a desired direction. In manipulating the stick, the elastic piece is pressed down to form a circuit by the contacts of the circuit board and the elastic piece for generating an input signal.
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