ES2054378T3 - Vigilancia de color. - Google Patents
Vigilancia de color.Info
- Publication number
- ES2054378T3 ES2054378T3 ES90917755T ES90917755T ES2054378T3 ES 2054378 T3 ES2054378 T3 ES 2054378T3 ES 90917755 T ES90917755 T ES 90917755T ES 90917755 T ES90917755 T ES 90917755T ES 2054378 T3 ES2054378 T3 ES 2054378T3
- Authority
- ES
- Spain
- Prior art keywords
- target
- pct
- light
- reflected light
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
- G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
- G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
- G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/444—Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J2001/4446—Type of detector
- G01J2001/446—Photodiode
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/069—Supply of sources
- G01N2201/0695—Supply to maintain constant beam intensity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/082—Fibres for a reference path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
- G01N2201/12746—Calibration values determination
- G01N2201/12753—Calibration values determination and storage
Abstract
LOS CAMBIOS DE LOS COLORES EN UN OBJETIVO, TAL COMO UN SENSOR QUIMICO UTILIZANDO UN REAGENTE INDICADOR DEL CAMBIO DE LOS COLORES PARA DETECTAR LA PRESENCIA DE GASES VENENOSOS, SE VIGILAN CONTINUAMENTE AL REFLEJAR EL OBJETIVO (10) SOBRE LA LUZ DEL SENSOR (16) ORIGINADA PRIMERO DESDE UNA FUENTE Y DESPUES DESDE OTRA FUENTE DE LUZ (12A, 12B, ETC), CADA UNA PROVISTA DE LONGITUD DE ONDA DE EMISION CONOCIDA Y DIFERENTE. EN CADA CICLO, OTRO SENSOR (14) RECOJE TAMBIEN LA LUZ DIRECTA PROCEDENTE DE LA FUENTE APROPIADA, CONECTADO EN UN CIRCUITO CERRADO (26) CON LOS CIRCUITOS EN LOS QUE LA INTENSIDAD DE EMISION SE COMPARAN CON UN VALOR DE REFERENCIA CONOCIDO (38) Y QUE AJUSTA LA INTENSIDAD DE LA EMISION DE FORMA QUE LA ESTABILIZA A SU VALOR DE REFERENCIA CONSTANTE. UNA VEZ QUE ESTA ESTABILIZADA, LA SEÑAL DE INTENSIDAD DE LUZ REFLEJADA PASA HACIA UN ALMACEN DE DATOS (20), DESPUES DEL CUAL UN DIVISOR (22) PRODUCE UNA SEÑAL DE SALIDA (36) QUE REPRESENTA LA PROPORCION DE LAS INTENSIDADES DE LA LUZ REFLEJADAEN DOS CICLOS DISTINTOS QUE SE ORIGINAN DE DOS FUENTES DE LUZ DISTINTAS (12A, 12B, ETC). EL CONDUCTO DE CADA CICLO ESTA CONTROLADO POR MEDIOS DE TEMPORIZACION (18). DONDE EXISTAN DOS FUENTES LUMINOSAS, LA LONGITUD DE ONDA DE LA SEGUNDA (12B) ESTA FUERA DE LA GAMA DE RESPUESTA DEL OBJETIVO, QUE LA PRIMERA (12A) QUE ESTA CERCA O EN LA RESPUESTA DEL OBJETIVO PRINCIPAL, DE FORMA QUE TODAS LAS SEÑALES DE SALIDA DEL DIVISOR REPRESENTAN VALORES SUCESIVOS DE LA INTENSIDAD DE LA LUZ REFLEJADA ACTUAL. ESTAS SEÑALES PODRAN PROCESARSE PARA MOSTRAR LA PROPORCION DE CAMBIO DE COLOR EN EL OBJETIVO Y PODRAN UTILIZARSE PARA OPERAR, POR EJ: UNA ALARMA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898913800A GB8913800D0 (en) | 1989-06-15 | 1989-06-15 | Colour monitoring |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2054378T3 true ES2054378T3 (es) | 1994-08-01 |
Family
ID=10658501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90917755T Expired - Lifetime ES2054378T3 (es) | 1989-06-15 | 1990-06-15 | Vigilancia de color. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5239175A (es) |
EP (1) | EP0477300B1 (es) |
AT (1) | ATE106556T1 (es) |
CA (1) | CA2058432A1 (es) |
DE (1) | DE69009475T2 (es) |
DK (1) | DK0477300T3 (es) |
ES (1) | ES2054378T3 (es) |
GB (2) | GB8913800D0 (es) |
WO (1) | WO1990015972A1 (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5362971A (en) * | 1993-03-10 | 1994-11-08 | Terrascope Systems, Inc. | Fiber optic detection system |
US5406067A (en) * | 1993-08-17 | 1995-04-11 | Tektronix, Inc. | Electrically adjusted mosaic filter for use as an optical sensor in an optical measurement instrument |
US5573953A (en) * | 1994-09-09 | 1996-11-12 | Quantum Group, Inc. | Method for enhancing the response of a biomimetic sensor |
US5859552A (en) * | 1995-10-06 | 1999-01-12 | Lsi Logic Corporation | Programmable slew rate control circuit for output buffer |
US6516101B1 (en) * | 1997-10-09 | 2003-02-04 | Mustek System, Inc. | Image scanning device having image data correction function |
JP3787456B2 (ja) * | 1999-04-26 | 2006-06-21 | キヤノン株式会社 | カラー画像処理装置、カラー画像処理方法及び記憶媒体 |
US7248733B2 (en) * | 1999-04-26 | 2007-07-24 | Canon Kabushiki Kaisha | Color-image processing apparatus and method, and storage medium |
DE10025097B4 (de) * | 2000-05-20 | 2004-04-15 | Robert Bosch Gmbh | Optischer Sensor und Verfahren zur Herstellung desselben |
AU2003302503A1 (en) * | 2002-12-04 | 2004-06-23 | Honeywell International Inc. | Compact opto-fluidic chemical sensor |
US20070243107A1 (en) * | 2006-04-13 | 2007-10-18 | Chase D Bruce | Hand-held gas detector and method of gas detection |
US10436761B2 (en) * | 2015-05-05 | 2019-10-08 | Honeywell International Inc. | Gas identification by measuring stain development at multiple specific wavelength regions with narrow band optical sensors |
US20190041338A1 (en) * | 2016-02-11 | 2019-02-07 | Honeywell International Inc. | Probing film that absorbs and reacts with gases, with light of different wavelengths, humidity detection, and optionally temperature detection |
KR102290841B1 (ko) * | 2016-02-11 | 2021-08-20 | 허니웰 인터내셔널 인코포레이티드 | 높은 가스 감도를 위해 다른 파장의 빛을 가지고, 가스를 흡수하고 반응하는 프로빙 필름 |
EP4043867A1 (en) | 2016-02-11 | 2022-08-17 | Honeywell International Inc. | Method of detecting a target gas employing a probing film that absorbs and reacts with gases, with transmitted light for higher gas sensitivity |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3910701A (en) * | 1973-07-30 | 1975-10-07 | George R Henderson | Method and apparatus for measuring light reflectance absorption and or transmission |
SE415397B (sv) * | 1978-06-02 | 1980-09-29 | Asea Ab | Fiberoptiskt metdon |
SE428061B (sv) * | 1981-09-15 | 1983-05-30 | Asea Ab | Fiberoptisk metapparatur |
EP0109686B1 (en) * | 1982-11-22 | 1989-10-11 | Hitachi Maxell Ltd. | Color sensor |
JPS59188517A (ja) * | 1983-04-11 | 1984-10-25 | Fanuc Ltd | サ−ボ制御系の絶対位置検出方式 |
NL8400380A (nl) * | 1984-02-07 | 1985-09-02 | Optische Ind De Oude Delft Nv | Inrichting voor het detecteren van kleurverschillen. |
GB8420614D0 (en) * | 1984-08-14 | 1984-09-19 | Unvala Ltd | Colour measuring apparatus |
US4845647A (en) * | 1985-01-24 | 1989-07-04 | Accufiber, Inc. | Method and apparatus for determining temperature in a blackbody radiation sensing system |
US4760250A (en) * | 1986-09-29 | 1988-07-26 | Spectramed, Inc. | Optoelectronics system for measuring environmental properties having plural feedback detectors |
NL191070C (nl) * | 1987-06-25 | 1995-01-02 | Exploitatiemaatschappij H J Va | Inrichting voor het bepalen van de kleur van produkten, in het bijzonder tuinbouwprodukten. |
FI77736C (fi) * | 1987-06-25 | 1989-04-10 | Valtion Teknillinen | Foerfarande foer reglering av straolkaella och reglerbar straolkaella. |
JP3175935B2 (ja) * | 1987-09-30 | 2001-06-11 | 株式会社東芝 | 光ファイバ応用センサ |
DE3879896D1 (de) * | 1987-12-03 | 1993-05-06 | Siemens Ag | Farbsensoranordnung fuer die erkennung von gegenstaenden mit farbigen oberflaechen. |
-
1989
- 1989-06-15 GB GB898913800A patent/GB8913800D0/en active Pending
-
1990
- 1990-06-15 CA CA002058432A patent/CA2058432A1/en not_active Abandoned
- 1990-06-15 EP EP90917755A patent/EP0477300B1/en not_active Expired - Lifetime
- 1990-06-15 US US07/828,814 patent/US5239175A/en not_active Expired - Fee Related
- 1990-06-15 DK DK90917755.2T patent/DK0477300T3/da active
- 1990-06-15 WO PCT/GB1990/000924 patent/WO1990015972A1/en active IP Right Grant
- 1990-06-15 DE DE69009475T patent/DE69009475T2/de not_active Expired - Fee Related
- 1990-06-15 ES ES90917755T patent/ES2054378T3/es not_active Expired - Lifetime
- 1990-06-15 AT AT90917755T patent/ATE106556T1/de not_active IP Right Cessation
-
1991
- 1991-11-19 GB GB9124684A patent/GB2250815B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2058432A1 (en) | 1990-12-16 |
US5239175A (en) | 1993-08-24 |
GB2250815B (en) | 1993-04-28 |
GB2250815A (en) | 1992-06-17 |
DE69009475D1 (de) | 1994-07-07 |
DK0477300T3 (da) | 1994-07-11 |
GB8913800D0 (en) | 1989-08-02 |
GB9124684D0 (en) | 1992-02-19 |
EP0477300A1 (en) | 1992-04-01 |
ATE106556T1 (de) | 1994-06-15 |
EP0477300B1 (en) | 1994-06-01 |
WO1990015972A1 (en) | 1990-12-27 |
DE69009475T2 (de) | 1994-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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