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    • 8. 发明申请
    • MEASUREMENT APPARATUS
    • 测量装置
    • US20110096159A1
    • 2011-04-28
    • US12984083
    • 2011-01-04
    • Hitoshi USAMI
    • Hitoshi USAMI
    • H04N7/18G01B11/245
    • G01B11/2509
    • The present invention relates to a measurement apparatus capable of improving measurement precision of a measurement object using measurement light without deteriorating the visibility of the measurement object. An observation illumination device 12 has: three types of light sources, i.e., a LED 51 which emits red single-color light, a LED 52 which emits green single-color light, and a LED 53 which emits blue single-color light. The three types of the light of red, green, and blue emitted from the LEDs 51 to 53 irradiates the measurement object 2 at the same time or in a short period of time, thereby becoming observation light, which is perceived by humans as illumination of white light, and irradiates the measurement object 2. The measurement light source 31 is a light source which emits measurement light used in measurement of the shape of the measurement object 2 and is composed of a light source which emits near-infrared single-color laser light having a wavelength different from that of the LED 51. Among the light that enters an optical filter 39 from the measurement object 2, the measurement light transmits therethrough, the observation light is cut off, and the light transmitted through the optical filter 39 forms an image on a light-receiving surface of an image pickup element 41. The present invention can be applied to, for example, a shape measurement apparatus.
    • 本发明涉及一种测量装置,其能够使用测量光提高测量对象的测量精度,而不会降低测量对象的可视性。 观察照明装置12具有三种类型的光源,即发出红色单色光的LED51,发出绿色单色光的LED 52和发出蓝色单色光的LED 53。 从LED51〜53发出的红色,绿色,蓝色的三种光在同一时间或短时间内照射测量对象2,从而成为人类感觉到的观察光,作为照明 白光,并照射测量对象2.测量光源31是发射用于测量对象2的形状的测量光的光源,并且由发射近红外单色激光器的光源 具有不同于LED51的波长的光。在从测量对象2进入滤光器39的光中,测量光透过其中,观察光被切断,透过光学滤光器39的光形成 图像拾取元件41的光接收表面上的图像。本发明可以应用于例如形状测量装置。