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Europäisches Patentamt

Shape measuring apparatus | Formmessvorrichtung | Appareil de mesure de forme

Patentnummer:EP2770297B1
IPC Hauptklasse:G01B001125
Anmelder:Mitutoyo Corporation (0)
20-1, Sakado 1-chome, ; Takatsu-ku, ; Kawasaki, Kanagawa 213-0012, JP
Erfinder:Iwamoto, Tadashi (0)
c/o Mitutoyo Corporation; 20-1, Sakado 1-chome; Takatsu-ku, Kawasaki; Kanagawa 213-8533, JP
Nemoto, Kentaro (0)
c/o Mitutoyo Corporation; 20-1 Sakado 1-chome; Takatsu-ku; Kawasaki-shi, Kanagawa 213-8533, JP
Yamagata, Masaoki (0)
c/o Mitutoyo Corporation; 20-1 Sakado 1-chome; Takatsu-ku; Kawasaki-shi, Kanagawa 213-8533, JP
Anmeldung:18.02.14
Offenlegung:21.02.13
Patenterteilung:27.11.19

Abstract / Hauptanspruch
A shape measuring apparatus includes a first light source, a second light source, an optical system, an image capturer, and a controller. The first light source emits visible light. The second light source emits measurement light used in a measurement. The optical system emits the visible light and the measurement light at the same position on a work piece. The image capturer captures an image of the measurement light reflected by the work piece. The controller is configured to cause the emission of the visible light onto the work piece with the first light source when determining a measurement position, and to control the emission of the measurement light onto the work piece with the second light source when making the measurement.



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