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AssigneesNikon Vision Co., Ltd., Nikon Corporation
InventorsTakehito NONOMURA, Takeshi INOUE
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A distance detector 10 includes a light projecting unit 100 which projects light toward a target body, a light receiving unit 200 which receives a reflected light from the target body, a time detection unit 310 which detects a light receiving time from the projecting of measuring light by the light projecting unit 100 to the receiving of the reflected light by the light receiving unit 200, a calculation unit 320 which calculates the distance to the target body based on a detection result of the light receiving time by the time detection unit 310, and an evaluation unit 340 which evaluates the reliability of a calculation result of the distance to the target body by the calculation unit 320 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, comprising:
A computer-readable medium having recorded thereon a program to cause a computer to execute:
Dependencies are inferred from the claim text.