| 摘要 |
A computer interface device has a finger worn main body 10 with a U-shaped channel 11 and an optical motion sensor 21 linked to the main body by an arm 19 so that the sensor lies next to another part of the finger. The device can transmit and receive signals (e.g. infra-red) from a computer and be used as a mouse. Foam pads 12 and a hook and loop or magnetic fastened strap 13 fit the user's finger. The arm pivots and is held in set positions by friction, one position being below a fingertip for mousing, and another position allowing keyboard typing. A ribbed surface (23, fig 2) of the sensor housing 21 contains at least one microswitch which functions as a mouse button, and buttons 25 can be thumb operated.
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