Method for scaling structured light pattern and optical device using the same
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United States of America Patent
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Jan 23, 2018
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Sep 21, 2015
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Aug 7, 2015
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Abstract
A method for scaling a structured light pattern and an optical device using the method are provided. The optical device includes a structured light generation unit and a conversion lens module. The conversion lens module is arranged between the structured light generation unit and a projection surface. The structured light generation unit outputs a structured light. After plural light beams of the structured light pass through the conversion lens module, the plural light beams are projected on the projection surface, so that a structured light pattern is formed on the projection surface. By controlling the conversion lens module to change traveling directions of the light beams of the structured light, the structured light pattern on the projection surface is correspondingly enlarged or shrunken.
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