| 摘要 |
PURPOSE: A bicycle passage indicator is provided to enable a driver of nearby vehicle to recognize the bicycle and width of the bicycle passage by guiding the bicycle passage using a laser on the rear of the bicycle. CONSTITUTION: A bicycle passage indicator comprises a case(110), a laser diode(120), and a lens unit(130). A case is installed on the backend of the bicycle. A pair of laser diodes is installed on both sides of the case and irradiates the laser to the outside. A pair of lenses converts the laser emitted from the laser diodes into the laser having the shape of line with predetermined length.
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