INCLINATION DETECTOR, LINE-OF-SIGHT DETECTION DEVICE, RETINAL PROJECTION DISPLAY DEVICE, HEAD-MOUNTED DISPLAY DEVICE, OPTOMETRIC DEVICE, VIRTUAL-REALITY DISPLAY APPARATUS, USER-CONDITION ESTIMATION APPARATUS, DRIVER-ASSISTANCE SYSTEM, METHOD OF DETECTING DEGREE OF INCLINATION OF THREE-DIMENSIONAL OBJECT, AND METHOD OF DETECTING LINE-OF-SIGHT
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United States of America
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Issued Date -
Jan 9, 2025
app pub date -
Dec 8, 2022
filing date -
Dec 8, 2022
priority date (Note) -
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Abstract
An inclination detector includes: multiple light emitters configured to emit multiple beams to an object: a photosensor having a light-receiving surface; and an output unit. The photosensor is configured to receive the multiple beams reflected from the object on the light-receiving surface and output an electrical signal based on light intensity of the multiple beams received on the light-receiving surface. The output unit configured to output a result of detection of a degree of inclination of the object based on the electrical signal output from the photosensor. The photosensor is disposed at a position at which the light intensity of the multiple beams that are emitted from the multiple light emitters, reflected at the object, and received at the photosensor changes according to the degree of inclination of the object.
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