Optical sensor with movable refraction element to adjust sensor range
An improved optical sensor includes a light source from which light is projected onto an object. A photodetector detects the light reflected from the object. A refraction element is movable relative to the photodetector to vary the range of the optical sensor. The position of the light source relati...
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Sprache: | eng |
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Zusammenfassung: | An improved optical sensor includes a light source from which light is projected onto an object. A photodetector detects the light reflected from the object. A refraction element is movable relative to the photodetector to vary the range of the optical sensor. The position of the light source relative to the photodetector can be varied. |
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