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AssigneesNikon Vision Co., Ltd., Nikon Corporation
InventorsTakehito NONOMURA, Takeshi INOUE
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A distance detector includes a light projecting unit which projects light toward a target body, a light receiving unit which receives a reflected light from the target body, a time detection unit which detects a light receiving time from the projecting of measuring light by the light projecting unit to the receiving of the reflected light by the light receiving unit, a calculation unit which calculates the distance to the target body based on a detection result of the light receiving time by the time detection unit, and an evaluation unit which evaluates the reliability of a calculation result of the distance to the target body by the calculation unit based on a deviation of the distance corresponding to the calculation result from a reference value regarding the distance to the target body.
A distance detector, comprising:
A distance detection method using a distance detector, the distance detection method comprising:
A non-transitory computer-readable medium having recorded thereon a program, when executed by a computer, to cause the computer to execute, in a distance detector:
Dependencies are inferred from the claim text.