| 摘要 |
A touch pen comprises a barrel, a laser module, a touch head and batteries: the barrel with a hollow interior which is separated into a barrel part and a necking nib part; the laser module which is disposed in the barrel and close to the nib part for generation of a laser beam as one pointer; the touch head featuring conductivity, covering the nib part and provided with a penetrating optical channel for a laser beam; the batteries held in the barrel part and supplying electricity necessary to the laser module; the touch pen is applicable to operation of a capacitive touch panel and regarded as one pointer projecting a laser spot.
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