| 摘要 |
PURPOSE:To discriminate whether a flaw is present while glossiness is measured, by operating the presence of a flaw and the glossiness of a surface from which a flaw part is removed on the basis of the max. value of light intensity and the standard deviation thereof. CONSTITUTION:The light emitted from a lamp 1 transmits through a pattern 3 through a diffusion plate 2 and the transmitted light is reflected from the surface 9 of a specimen to be measured through a projection lens 5 to be formed into an image on the surface of the image sensor of a photoelectric converter unit 6. The unit 6 photoelectrically converts the pattern image and an electric output signal is emitted from each output element thereof. The output signal from the unit 6 is reduced in noise through LPF 10 and amplified by an amplifier 11 and converted to a digital value through an A/D converter 12 to be once stored in a memory circuit 13. A control unit 14 operates the presence of a flaw, the size thereof and the glossiness of the surface from which a flaw part is removed on the basis of the digital value read from the circuit 13 to output the same to a display 15. Glossiness, the presence of the flaw and the size thereof are displayed on the display 15.
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