PURPOSE: To accurately measure the reflection factor and improve the reliability of an applied device by devising an optical system for the reflecting face of a measurement object, controlling the measuring position of the reflecting face, and collecting only the necessary reflection factor information in improving a reflection factor measuring device and a robot device. ;CONSTITUTION: A reflection factor measuring device is provided with a reflected light detecting means 11 radiating the measurement light L1 to a measurement object 14 from the vertical direction and detecting the regular reflected light L2, a driving means 12 shift-scanning the measurement object 14 or the reflected light detecting means 11, and a control means 13 controlling the inputs and outputs of the reflected light detecting means 11 and the driving means 12. The control means 13 also controls the positions of the detection area of the measurement object 14 and the acquisition area of the regular reflected light L2. A robot device is provided with a robot work section 15, a position detecting means 16, and a robot control means 17, and the position detecting means 16 is constituted of the reflection factor detecting device.;COPYRIGHT: (C)1993,JPO&Japio
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