Color cards are classified according to world standards: Pantone color card, German Raul color card, DIC color card, NCS color card, DIC color card. The color card is used for color selection, comparison, and communication, and is a thing in which color completion is uniform within a certain range. Color card is the bridge between designers and products. Without a good color comparison, good color imitation, it is difficult to win the mall. Many time-division designers need to study the mall, for example, in the printing field, we print on different color papers.

The color-coded sensor adopts the principle of light emission acceptance, announces modulated light, receives the reflected light of the object to be measured, and distinguishes different colors according to the strength of the received light signal, or discriminates the presence or absence of the object.

Color-coded sensors are often used to detect mottles on specific color patches or objects. Instead of directly measuring color, they are compared to non-color-coded areas. The color-coded sensor practice is a reversal device in which the light source is perpendicular to the target object device and the receiver is angularly oriented with the object so that it only detects scattered light from the guide object and then prevents the sensor from directly receiving the reflected light and can The beam is very narrow. Both incandescent and monochromatic sources can be used for color code detection.

The color-coded sensor detects various labels, even if the background color has a slender and different color, it can be detected. Its processing speed is fast, it can adapt to the wavelength actively, and it can detect the subtle difference of the gray value, and the mixed color with the label and the background. Nothing. A color-coded sensor using a monochromatic light source detects color, which is detected by detecting the difference in the amount of reflection or absorption of the light beam compared with the surrounding data. The identification of colors should be strictly compatible with the spectral components of the illumination.

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