| 摘要 |
An interface device for interfacing a user's input with a computer includes: a mechanical input device to transform a mechanical input operation of the user into an input signal for input into the computer. The mechanical input device has a movable element that the user moves to perform the input operation. An electrical generator, mechanically coupled to the moveable element, generates electrical energy that charges a battery. The battery powers circuitry used for deriving the input signal.
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