| 摘要 |
PURPOSE: A dynamic motion sensing device using a change in a route of laser beams caused by buoyancy is provided to sense the change in the route of laser beams induced by dynamic motions by using buoyancy, thereby simplifying a structure and avoiding inconvenience for use. CONSTITUTION: A dynamic motion sensing device(100) using a change in a route of laser beams caused by buoyancy comprises a case(10), a conversion unit(105), a receiving unit sensor(20), and reflective plates(120,122). The conversion unit which is positioned on the inner side of the case, includes a laser diode generating laser beams and changes a path of the laser beams by using buoyancy. The receiving unit sensor is positioned in the other side of the case, thereby being arranged apart from the conversion unit spatially. The receiving unit sensor receives the laser beams. The reflective plates form a path of the laser beam passing through the conversion unit to the receiving unit sensor. [Reference numerals] (AA) Laser beam
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