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Europäisches Patentamt

Optical measurement device and optical measurement method

Patentnummer:US10767979B2
IPC Hauptklasse:G01B001114
Anmelder:OMRON CORPORATION (0)
Kyoto, JP
Erfinder:
Anmeldung:16.01.19
Offenlegung:13.03.18
Patenterteilung:08.09.20

Abstract / Hauptanspruch
An error of a measured distance is reduced. An optical measurement device (100) includes: a light source (10), which emits lights; a sensor head (30), which condenses reflected lights reflected by a target (TA); a light reception portion (40), which is configured in a manner that each of a plurality of pixels is capable of detecting a light reception amount, and which obtains a light reception amount distribution signal of each pixel for the condensed reflected lights; a measurement portion (51), which measures a distance from the optical measurement device (100) to the target (TA) based on the light reception amount distribution signal; and a correction portion (52), which corrects the measured distance that is measured based on a predefined characteristic value in a waveform of the light reception amount distribution signal.

US10767979B2


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