G01N2021/4714

MARBLE-COLOR MOLDED PRODUCT AND MARBLE COLOR EFFECT EVALUATION SYSTEM

The present disclosure provides a marbled molded product obtained by injection-molding, in a mold cavity, a mixture including: a thermoplastic resin including one selected from the group of polycarbonate, acrylonitrile-butadiene-styrene, polybutylene terephthalate, polypropylene, and combinations thereof; and fine pigment particles, where a pattern forming a texture is formed on the surface of the injection-molded product. The present disclosure also provides a system for evaluating a marble color effect of a marbled molded product, the system including: a light source unit, an image-capturing unit, an image processing unit and an evaluation factor determination unit.

SURFACE CHARACTERISTICS EVALUATION METHOD, SURFACE CHARACTERISTICS EVALUATION APPARATUS, AND SURFACE CHARACTERISTICS EVALUATION PROGRAM
20220262019 · 2022-08-18 ·

A surface characteristics evaluation method for evaluating a surface characteristic of a painted surface including a glittering material, including: a multi-angle condition image acquisition step S101 for acquiring a multi-angle condition image including multi-angle conditions in a continuous manner by performing an image-capturing process to capture how a reflection condition of the painted surface changes when rotating an illumination device 2 emitting light onto the painted surface, the image-capturing process being performed by the line scan camera 4 while a sample P having the painted surface is moved in a certain direction; an in-plane chromaticity distribution acquisition step S102 for acquiring an in-plane chromaticity distribution of the painted surface from the multi-angle condition image acquired; and a surface characteristics evaluation step S107 for calculating particle characteristics S as surface characteristics evaluation values of the multi-angle conditions, on the basis of the in-plane chromaticity distribution acquired.

Method and device for detection and/or morphologic analysis of individual fluid-borne particles
11002654 · 2021-05-11 · ·

Measurement device and methods for the detection and/or analysis of fluid-borne particles. The measurement device comprises a means for producing a flow of fluid along a fluid flow path, a laser positioned for emitting a beam of laser light in a measurement volume of the fluid flow path; a lens set for collecting laser light scattered in the measurement volume by fluid-borne particles contained in the flow of fluid; a multipixel photo-detector positioned for detecting scattered laser light collected by the lens set. The lens set is configured for focusing the scattered light in a line being perpendicular to a flow direction (y) of the flow of fluid and at a focal distance of the lens set. The multipixel photodetector is positioned at a distance from the focal distance of the lens set and oriented with its longitudinal axis parallel to the line.

Systems and methods for measuring reflectivity of a painted object

A system for measuring the reflectivity of a painted object includes an electromagnetic wave source that emits an electromagnetic wave, a panel that holds the painted object, with the panel being movable to adjust an incident angle of the electromagnetic wave onto the panel, a reflector to receive and direct electromagnetic waves that are reflected by the painted object towards the reflector, a detector to detect an intensity of electromagnetic waves, and a control unit. The control unit is communicatively connected to the panel and to the detector. The control unit determines the incident angle of the electromagnetic wave, receives the intensity of the electromagnetic wave detected by the detector, and determines the reflectivity of the painted object as a function of the intensity of the electromagnetic wave detected by the detector over a predetermined range of incident angle values.

SYSTEMS AND METHODS FOR MEASURING REFLECTIVITY OF A PAINTED OBJECT

A system for measuring the reflectivity of a painted object includes an electromagnetic wave source that emits an electromagnetic wave, a panel that holds the painted object, with the panel being movable to adjust an incident angle of the electromagnetic wave onto the panel, a reflector to receive and direct electromagnetic waves that are reflected by the painted object towards the reflector, a detector to detect an intensity of electromagnetic waves, and a control unit. The control unit is communicatively connected to the panel and to the detector. The control unit determines the incident angle of the electromagnetic wave, receives the intensity of the electromagnetic wave detected by the detector, and determines the reflectivity of the painted object as a function of the intensity of the electromagnetic wave detected by the detector over a predetermined range of incident angle values.

METHOD AND DEVICE FOR DETECTION AND/OR MORPHOLOGIC ANALYSIS OF INDIVIDUAL FLUID-BORNE PARTICLES
20190033191 · 2019-01-31 ·

Measurement device for the detection and/or analysis of fluid-borne particles, the measurement device comprising means (1, 1) for producing a flow of fluid along a fluid flow path, a laser (2) positioned for emitting a beam (20) of laser light in a measurement volume of the fluid flow path; a lens set (3) for collecting laser light (23) scattered in the measurement volume by fluid-borne particles (9) contained in the flow of fluid, a photo-detector (4) positioned for the detection of scattered laser light (23) collected by the lens set (3), wherein the lens set (3) is configured for focusing the scattered light (23) in a line at a focal distance (f2) of the lens set (3), said line being perpendicular to a flow direction (y) of the flow of fluid in said measurement volume; and wherein the photo-detector (4) is a linear multipixel detector for capturing the laser light focused by the lens set (3), wherein said linear multipixel detector (4) is positioned at a distance from the focal distance (f2) of the lens set (3) and oriented with its longitudinal axis parallel to said line. Measurement method for the detection and/or analysis of fluid-borne particles, comprising the steps of producing a flow of fluid along a fluid flow path, said flow of fluid potentially containing fluid-borne particles (9) to be detected; emitting a beam (20) of laser light in a measurement volume of the fluid flow path; collecting laser light (23) scattered in the measurement volume by fluid-borne particles (9) contained in the flow of fluid and focusing said scattered light in a line at a focal distance (f2), said line being perpendicular to a flow direction (y) of the flow of fluid in said measurement volume; capturing the collected and focused scattered laser light (23) with a linear multipixel photo-detector (4) positioned at a distance from the focal distance (f2) and oriented with its longitudinal axis parallel to said line; repeating the steps of emitting, collecting and capturing a plurality of times during the time of crossing the measurement volume by an individual fluid-borne particle (9) of the smallest size measured by the measurement method.

Surface characteristics evaluation method, surface characteristics evaluation apparatus, and surface characteristics evaluation program

A surface characteristics evaluation method for evaluating a surface characteristic of a painted surface including a glittering material, including: a multi-angle condition image acquisition step S101 for acquiring a multi-angle condition image including multi-angle conditions in a continuous manner by performing an image-capturing process to capture how a reflection condition of the painted surface changes when rotating an illumination device 2 emitting light onto the painted surface, the image-capturing process being performed by the line scan camera 4 while a sample P having the painted surface is moved in a certain direction; an in-plane chromaticity distribution acquisition step S102 for acquiring an in-plane chromaticity distribution of the painted surface from the multi-angle condition image acquired; and a surface characteristics evaluation step S107 for calculating particle characteristics S as surface characteristics evaluation values of the multi-angle conditions, on the basis of the in-plane chromaticity distribution acquired.

Methods and systems for performing angle-resolved Fourier-domain optical coherence tomography

Arrangements, apparatus and methods are provided according to exemplary embodiments of the present invention. In particular, at least one first electro-magnetic radiation may be received and at least one second electro-magnetic radiation within a solid angle may be forwarded to a sample. The second electro-magnetic radiation may be associated with the first electro-magnetic radiation. A plurality of third electro-magnetic radiations can be received from the sample which is associated with the second electro-magnetic radiation, and at least one portion of the third electro-magnetic radiation is provided outside a periphery of the solid angle. Signals associated with each of the third electro-magnetic radiations can be simultaneously detected, with the signals being associated with information for the sample at a plurality of depths thereof. The depths can be determined using at least one of the third electro-magnetic radiations without a need to utilize another one of the third electro-magnetic radiations.