ES2668941A1 - SYSTEM TO DETERMINE THE DEGREE OF TEXTILE FABRIC (Machine-translation by Google Translate, not legally binding) - Google Patents

SYSTEM TO DETERMINE THE DEGREE OF TEXTILE FABRIC (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2668941A1
ES2668941A1 ES201631499A ES201631499A ES2668941A1 ES 2668941 A1 ES2668941 A1 ES 2668941A1 ES 201631499 A ES201631499 A ES 201631499A ES 201631499 A ES201631499 A ES 201631499A ES 2668941 A1 ES2668941 A1 ES 2668941A1
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Prior art keywords
fabric
analyzed
sample
covering element
camera
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ES201631499A
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ES2668941B1 (en
Inventor
Joan Antoni CODINA BERNABÉ
Josep BELTRAN TAIXÀ
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Medicion Control Y Regulacion S L
Medicion Control Y Regulacion SL
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Medicion Control Y Regulacion S L
Medicion Control Y Regulacion SL
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
    • G01N21/293Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection with colour charts, graduated scales or turrets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/91Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/36Textiles
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

System to determine the degree of fading of textile fabrics; comprising: - a support structure (1) with a zone (12) for positioning a sample of the fabric (7) to be analyzed; - an opaque covering element (2) of said area (12), - a camera (3) for capturing an image of the sample of the fabric (7) to be analyzed through a top window (21) of the opaque element cover (2); - an adjustable support (4) for holding the camera (3) and; - a computer (5) that compares the brightness of the image of the fabric sample (7) to be analyzed captured by the camera (3) with approved luminosities stored in a database, corresponding to different degrees of discoloration of the same type of cloth (7); and which determines the degree of discoloration of the fabric sample (7) analyzed. (Machine-translation by Google Translate, not legally binding)

Description

5 Sistema para determinar el grado de desteñido de telas textiles. 5 System to determine the degree of fade of textile fabrics.

Objeto de la invención. Object of the invention.

El objeto de la invención es un sistema para determinar el grado de desteñido de The object of the invention is a system for determining the degree of fading of

10 telas textiles, que presenta unas características que permiten determínar el grado de decoloración de telas textiles de una forma objetiva y reproducible, mediante el análisis y comparación de la luminosidad de una imagen de la tela en cuestión con una base de datos integrada por los patrones de luminosidad de una escala de grises homologada correspondientes a diferentes grados de desteñido de diversas 10 textile fabrics, which have characteristics that allow determining the degree of discoloration of textile fabrics in an objective and reproducible way, by analyzing and comparing the luminosity of an image of the fabric in question with a database composed of patterns of brightness of an approved gray scale corresponding to different degrees of fade of various

15 telas y en particular con el tipo de tela en cuestión . 15 fabrics and in particular with the type of fabric in question.

Campo de aplicación de la invención. Field of application of the invention.

Esta invención es aplicable en el sector textil y más concretamente en el análisis del 20 grado de desteñido de las telas. This invention is applicable in the textile sector and more specifically in the analysis of the degree of fabric fade.

Estado de la técnica. State of the art

Uno de los factores a tener en cuenta en el sector textil es si una tela impregnada 25 con un determinado tinte destiñe, o no; y si destiñe en qué intensidad lo hace. One of the factors to take into account in the textile sector is whether a cloth impregnated with a certain dye fades, or not; and if I faded at what intensity it does.

Este factor resulta de gran importancia pues condiciona el precio de la tela; si la tela destiñe menos, es más cara que si destiñe más. This factor is of great importance because it determines the price of the fabric; if the cloth fades less, it is more expensive than if it fades more.

30 En la actualidad el sistema que se utiliza para determinar este factor es totalmente subjetivo y se basa en la simple observación visual. Tanto las empresas como los laboratorios utilizan un sistema de percepción personal. 30 Currently, the system used to determine this factor is totally subjective and based on simple visual observation. Both companies and laboratories use a personal perception system.

Toman como referente un patrón preestablecido mediante normativa y comparan They take as reference a preset pattern by means of regulations and compare

mismo. En muchas ocasiones se pide la opinión de varias personas y se acaba consensuando el grado de desteñido de la tela en base a su percepción visual, pudiendo obtener diferentes resultados en función de factores diversos, tales como la agudeza visual del individuo, o la iluminación ambiental. same. On many occasions, the opinion of several people is requested and the degree of discoloration of the fabric ends up being agreed based on their visual perception, being able to obtain different results based on diverse factors, such as the visual acuity of the individual, or the ambient lighting .

Esta técnica de comparación visual carece del rigor suficiente para garantizar un estándar de calidad en los resultados obtenidos, especialmente teniendo en cuenta el color básico de las telas (es decir sin tintar) está igualmente parametrizado y, dependiendo su composición (lana, lino, tergal, etc.) las telas en crudo tienen un This technique of visual comparison lacks sufficient rigor to guarantee a quality standard in the results obtained, especially taking into account the basic color of the fabrics (that is to say without dyeing) it is also parameterized and, depending on its composition (wool, linen, tergal , etc.) raw fabrics have a

10 color que no es uniforme. 10 color that is not uniform.

Por tanto, el problema técnico que se plantea es el desarrollo de un sistema que permita determinar de forma objetiva el grado de decoración de las telas y proporcionar unos resultados fiables en unas condiciones determinadas y Therefore, the technical problem that arises is the development of a system that allows to objectively determine the degree of decoration of the fabrics and provide reliable results in certain conditions and

15 reproducibles en el tiempo. 15 playable over time.

Descripción de la invención. Description of the invention

Como el fin de resolver la problemática expuesta se ha ideado un sistema para As the purpose of solving the exposed problem, a system has been devised for

20 determinar el grado de decoloración de telas textiles de una forma objetiva y reproducible mediante el análisis y comparación de la luminosidad de una imagen de la tela en cuestión con las luminosidades homologadas almacenadas en una base de datos correspondientes a diferentes grados de desteñido de diversas telas yen particular con el tipo de tela en cuestión. 20 determine the degree of discoloration of textile fabrics in an objective and reproducible manner by analyzing and comparing the luminosity of an image of the fabric in question with the approved luminosities stored in a database corresponding to different degrees of discoloration of various fabrics and in particular with the type of fabric in question.

De acuerdo con la invención, este sistema comprende: According to the invention, this system comprises:

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una estructura de soporte, provista de una mesa con una zona de posicionamiento de una muestra de la tela a analizar; a support structure, provided with a table with a positioning area of a sample of the fabric to be analyzed;

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un elemento opaco de cubrición de la zona de posicionamiento de la muestra, presentando dicho elemento opaco una ventana superior y, en su interior, unos an opaque covering element of the sample positioning zone, said opaque element having an upper window and, inside, some

medios de iluminación estable y uniforme de la muestra de la tela; stable and uniform lighting means of the fabric sample;

35 -una cámara de captación de una imagen de la muestra de la tela a analizar; 35 -a camera to capture an image of the sample of the fabric to be analyzed;

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un soporte regulable para la sujeción de una cámara en una posición adecuada para la captación de una imagen de la muestra de la tela a analizar a través de la ventana superior del elemento opaco de cubrición y; an adjustable support for securing a camera in a position suitable for capturing an image of the sample of the fabric to be analyzed through the upper window of the opaque covering element and;

--
un ordenador al que se encuentra conectado la cámara y que dispone de: una base de datos con la luminosidad correspondiente a diferentes grados de decoloración homologados de diversas telas y de un software de gestión que realiza la comparación de la luminosidad de la imagen de la muestra de tela a computer to which the camera is connected and which has: a database with the luminosity corresponding to different degrees of approved discoloration of various fabrics and a management software that compares the brightness of the sample image of cloth

10 analizar captada por la cámara y la compara con las luminosidades almacenadas en la base de datos correspondientes a diferentes grados de decoloración del mismo tipo de tela y determina el grado de decoloración de la muestra de tela analizada . 10 analyze captured by the camera and compare it with the luminosities stored in the database corresponding to different degrees of discoloration of the same type of fabric and determine the degree of discoloration of the analyzed fabric sample.

15 Con las características mencionadas anteriormente este sistema permite obtener un resultado fiable y exacto del grado de decoloración de la muestra de tela analizada. 15 With the characteristics mentioned above, this system allows to obtain a reliable and exact result of the degree of discoloration of the analyzed fabric sample.

En una realización de la invención se ha previsto que la cámara se encuentre acoplada a la ventana superior del elemento opaco de cubrición: bien directamente, 20 o bien a través de una pieza tubular opaca, que impida la contaminación lumínica de la imagen de la muestra de tela, captada por la cámara. In one embodiment of the invention it is provided that the chamber is coupled to the upper window of the opaque covering element: either directly, 20 or through an opaque tubular piece, which prevents light contamination of the sample image of cloth, captured by the camera.

El soporte regulable permite fijar la cámara en una posición adecuada para captar la imagen de la muestra de la tela de forma nítida y exacta. The adjustable support allows to fix the camera in a suitable position to capture the image of the sample of the fabric in a clear and exact way.

25 Los medios de iluminación situados en el interior del elemento opaco de cubrición están constituidos preferentemente por Leds que proporcionan una luz blanca para la iluminación estable y uniforme de la muestra de tela, lo que permite que la cámara capte una imagen de la muestra de tela en unas condiciones óptimas y 25 The lighting means located inside the opaque covering element are preferably constituted by LEDs that provide a white light for stable and uniform illumination of the fabric sample, which allows the camera to capture an image of the fabric sample in optimal conditions and

30 uniformes de iluminación. 30 lighting uniforms.

En una realización de la invención zona de posicionamiento de la muestra de tela a analizar comprende un canal para la introducción lateral de una plantilla con la muestra de tela en cuestión y su posicionamiento enfrentado con la ventana In an embodiment of the invention, the positioning area of the fabric sample to be analyzed comprises a channel for the lateral introduction of a template with the fabric sample in question and its positioning facing the window.

35 superior del elemento opaco de cubrición. 35 of the opaque covering element.

De acuerdo con la invención el software de gestión convierte el color en una escala de grises, de forma que le permite comparar de forma fiable la luminosidad de la imagen con las luminosidades homologadas almacenadas en la base de datos y According to the invention, the management software converts the color into a gray scale, so that it allows you to reliably compare the brightness of the image with the approved luminosities stored in the database and

5 determinar con exactitud el grado de desteñido de la tela. 5 determine exactly the degree of fabric fade.

Se trata de un sistema totalmente fiable, mucho más seguro y sobre todo más rápido que el método empírico utilizado actualmente, por cuanto mediante una lectura se obtiene toda la información de forma precisa. It is a completely reliable system, much safer and above all faster than the empirical method currently used, because by reading all the information is obtained accurately.

Descripción de las figuras. Description of the figures.

Para complementar la descripción que se está realizando y con objeto de facilitar la comprensión de las caracteristicas de la invención , se acompaña a la presente 15 memoria descriptiva un juego de dibujos en los que, con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that is being made and in order to facilitate the understanding of the features of the invention, a set of drawings is attached to the present specification in which, for illustrative and non-limiting purposes, the following has been represented :

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La figura 1 muestra una vista en alzado de un ejemplo de realización del sistema para determinar el grado de desteñido de telas textiles, según la invención . Figure 1 shows an elevation view of an exemplary embodiment of the system for determining the degree of textile fabric fade, according to the invention.

20 -La figura 2 muestra una vista en planta superior del sistema de la figura 1 sin el ordenador y en el que se han representado: el soporte de la cámara girado hacia un lateral para permitir la observación de la ventana superior del elemento opaco de cubrición: y la plantilla portadora de la muestra de tela a examinar extraída de la 20 - Figure 2 shows a top plan view of the system of Figure 1 without the computer and in which they have been represented: the camera support turned to the side to allow observation of the upper window of the opaque covering element : and the template carrying the fabric sample to be examined extracted from the

25 zona de posicionamiento de la misma. 25 positioning zone of it.

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La figura 3 muestra una vista análoga a la anterior con la cámara y con la plantilla portadora de la muestra de tela a examinar en la posición de uso del sistema. Figure 3 shows a view analogous to the previous one with the camera and with the template carrying the fabric sample to be examined in the position of use of the system.

30 -La figura 4 muestra una vista en perspectiva inferior del elemento opaco de cubrición, en la que se pueden apreciar los medios de iluminación alojados en su interior. 30 -Figure 4 shows a bottom perspective view of the opaque covering element, in which the lighting means housed inside can be seen.

Realización preferida de la invención. Preferred embodiment of the invention.

35 5 35 5

Como se puede observar en el ejemplo de realización mostrado en la figura 1, este sistema para determinar el grado de desteñido de telas textiles comprende una estructura de soporte (1), provista de una mesa (11) con una zona (12) de posicionamiento de la muestra de la tela a analizar; y un elemento opaco de As can be seen in the example of embodiment shown in Figure 1, this system for determining the degree of textile fabric fade comprises a support structure (1), provided with a table (11) with a positioning zone (12) of the sample of the fabric to be analyzed; and an opaque element of

5 cubrición (2) de dicha zona (12). 5 covering (2) of said zone (12).

Dicho elemento opaco de cubrición (2), que en este ejemplo de realización tiene una forma a modo de cúpula, está provisto de una ventana superior (21), visible en la figura 2 y de unos medios de iluminación (22) interiores visibles en la figura 4, y Said opaque covering element (2), which in this exemplary embodiment has a dome-like shape, is provided with a top window (21), visible in figure 2 and with interior lighting means (22) visible in Figure 4, and

10 constituidos en este caso por unos Leds que proporcionan una iluminación estable y uniforme de la muestra de la tela a analizar. 10 constituted in this case by LEDs that provide a stable and uniform illumination of the sample of the fabric to be analyzed.

Como se puede observar en la mencionada figura 1 el sistema comprende adicionalmente una cámara (3) de captación de una imagen de la muestra de la tela As can be seen in the aforementioned figure 1, the system additionally comprises a camera (3) for capturing an image of the fabric sample

15 a analizar; y un soporte regulable (4) para la sujeción de una cámara (3) en una posición adecuada para la captación a través de la ventana superior (21) del elemento opaco de cubrición (2) de una imagen de la muestra de la tela a analizar posicionada en la zona (12). 15 to analyze; and an adjustable support (4) for securing a chamber (3) in a position suitable for capturing through the upper window (21) of the opaque covering element (2) of an image of the fabric sample a analyze positioned in the area (12).

20 La cámara (3) se encuentra conectada a un ordenador (5) que dispone de: una base de datos con la luminosidad correspondiente a diferentes grados de decoloración de diversas telas y de un software de gestión que realiza la comparación de la luminosidad de la imagen de la muestra de tela a analizar captada por la camara (3) y la compara con las luminosidades homologadas 20 The camera (3) is connected to a computer (5) that has: a database with the luminosity corresponding to different degrees of discoloration of various fabrics and a management software that compares the brightness of the image of the sample of fabric to be analyzed captured by the camera (3) and compares it with the approved luminosities

25 almacenadas en la base de datos correspondientes a diferentes grados de decoloración del mismo tipo de tela y determina el grado de decoloración de la muestra de tela analizada. 25 stored in the database corresponding to different degrees of discoloration of the same type of fabric and determines the degree of discoloration of the analyzed fabric sample.

En el ejemplo de realización mostrado en la figura 1 la cámara se encuentra In the exemplary embodiment shown in Figure 1 the camera is located

30 acoplada a la ventana superior del elemento opaco de cubrición (2) mediante una pieza tubular (6) opaca, a modo de manga o de fuelle, que impide la entrada de luz exterior y la contaminación lumínica de la imagen de la muestra de tela, captada por la cámara. 30 coupled to the upper window of the opaque covering element (2) by means of an opaque tubular part (6), like a sleeve or a bellows, which prevents the entry of exterior light and light pollution of the image of the fabric sample , captured by the camera.

35 Como se puede observar en la figuras 2 y 3, la zona (12) para el posicionamiento 6 35 As can be seen in Figures 2 and 3, the zone (12) for positioning 6

de la muestras de tela (7) a analizar está provista de un canal para la introducción lateral a modo de corredera de una plantilla (71) portadora de dichas muestras de tela (7). of the fabric samples (7) to be analyzed, it is provided with a channel for the lateral introduction as a slide of a template (71) carrying said fabric samples (7).

5 Cabe mencionar que dicho canal definido en la zona (12) de posicionamiento de la muestra de tela (7) puede estar puede estar conformado en la mesa (11), sin llegar a afectar al elemento opaco de cubrición (2), o afectando a la parte inferior de dicho elemento opaco de cubrición (2) tal como se muestra en el ejemplo de la figura 4. 5 It should be mentioned that said channel defined in the positioning zone (12) of the fabric sample (7) may be formed on the table (11), without arriving to affect the opaque covering element (2), or affecting the lower part of said opaque covering element (2) as shown in the example of figure 4.

10 Una vez descrita suficientemente la naturaleza de la invención , asi como un ejemplo de realización preferente, se hace constar a los efectos oportunos que los materiales. forma, tamaño y disposición de los elementos descritos podrán ser modificados, siempre y cuando ello no suponga una alteración de las caracteristicas esenciales de la invención que se reivindican a continuación. 10 Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the materials. Shape, size and arrangement of the elements described may be modified, provided that this does not imply an alteration of the essential features of the invention that are claimed below.

7 7

Claims (5)

REIVINDICACIONES 1. Sistema para determinar el grado de desteñido de telas textiles; caracterizado porque comprende: 1. System to determine the degree of fade of textile fabrics; characterized in that it comprises:
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una estructura de soporte (1), provista de una mesa (11) con una zona (12) de posicionamiento de una muestra de la tela (7) a analizar; a support structure (1), provided with a table (11) with an area (12) for positioning a sample of the fabric (7) to be analyzed;
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un elemento opaco de cubrición (2) de la zona (12) de posicionamiento de la muestra de tela (7), presentando dicho elemento opaco de cubrición (2) una ventana (21) superior y, en su interior, unos medios de iluminación (22) estable y uniforme de la muestra de tela (7) a analizar; an opaque covering element (2) of the positioning area (12) of the fabric sample (7), said opaque covering element (2) presenting an upper window (21) and, in its interior, lighting means (22) stable and uniform of the fabric sample (7) to be analyzed;
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una cámara (3) de captación de una imagen de la muestra de la tela (7) a analizar; a camera (3) for capturing an image of the sample of the fabric (7) to be analyzed;
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un soporte regulable (4) para la sujeción de la cámara (3) en una posición adecuada para la captación de una imagen de la muestra de tela (7) a analizar a través de la ventana (21) superior del elemento opaco de cubrición (2) y; an adjustable support (4) for holding the chamber (3) in a position suitable for capturing an image of the fabric sample (7) to be analyzed through the upper window (21) of the opaque covering element ( 2 and;
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un ordenador (5) al que se encuentra conectado la cámara (3) y que dispone de: una base de datos con las luminosidades homologadas correspondientes a diferentes grados de decoloración de diversas telas y de un software de gestión que realiza la comparación de la luminosidad de la imagen de la muestra de tela a analizar, captada por la cámara (3), y la compara con las luminosidades almacenadas en la base de datos, correspondientes a diferentes grados de decoloración del mismo tipo de tela (7) y determina el grado de decoloración de la muestra de tela (7) analizada. a computer (5) to which the camera (3) is connected and which has: a database with the approved luminosities corresponding to different degrees of discoloration of various fabrics and a management software that performs the brightness comparison of the image of the fabric sample to be analyzed, captured by the camera (3), and compares it with the luminosities stored in the database, corresponding to different degrees of discoloration of the same type of fabric (7) and determines the degree of discoloration of the analyzed fabric sample (7).
2. 2.
Sistema, según la reivindicación 1, caracterizado porque la cámara (3) se encuentra acoplada directamente a la ventana (21) superior del elemento opaco de cubrición (2). System according to claim 1, characterized in that the chamber (3) is directly coupled to the upper window (21) of the opaque covering element (2).
3. 3.
Sistema, según la reivindicación 1, caracterizado porque la cámara (3) se encuentra acoplada a la ventana (21) del elemento opaco de cubrición (2) por System according to claim 1, characterized in that the chamber (3) is coupled to the window (21) of the opaque covering element (2) by
8 8 medio de una pieza tubular (6) opaca, que impide la contaminación lumínica de la imagen de la mueslra de lela (7), captada por dicha cámara (3). means of an opaque tubular part (6), which prevents light pollution of the image of the lela notch (7), captured by said chamber (3).
4. Sistema, según cualquiera de las reivindicaciones anteriores; caracterizado 4. System according to any of the preceding claims; characterized 5 los medios de iluminación (22) situados en el interior del elemento opaco de cubrición (2) opaca están constituidos por Leds de luz blanca. 5 the lighting means (22) located inside the opaque covering element (2) are constituted by white light LEDs. 5. Sistema, según la reivindicación 1, caracterizado porque la zona 5. System according to claim 1, characterized in that the zone (12) para el posicionamiento de la muestras de tela (7) a analizar está provista de (12) for positioning the fabric samples (7) to be analyzed, it is provided with 10 un canal para la introducción lateral a modo de corredera de una plantilla (71) portadora de dichas muestras de tela (7) y su posicionamiento enfrentado con la ventana superior (21) del elemento opaco de cubrición (2). 10 a channel for the lateral introduction as a slide of a template (71) carrying said fabric samples (7) and their positioning facing the upper window (21) of the opaque covering element (2). 9 9
ES201631499A 2016-11-23 2016-11-23 SYSTEM TO DETERMINE THE DEGREE OF TEXTILE FABRIC DETERMINATION Expired - Fee Related ES2668941B1 (en)

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