发明名称 OPTICAL POINTING DEVICE
摘要 An optical pointing device includes a light source, a lens and a reflector. The light source is utilized to provide a light beam, and the lens is disposed on the light path of the light beam to focus the light beam. The reflector is disposed on the light path of the light beam between the light source and the lens for reflecting the light beam, so that the length of the optical pointing device can be reduced.
申请公布号 US2011080734(A1) 申请公布日期 2011.04.07
申请号 US20090634687 申请日期 2009.12.10
申请人 HSU CHIA-YUN 发明人 HSU CHIA-YUN
分类号 G02B27/20;F21V7/00 主分类号 G02B27/20
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