DE3574286D1 - Readhead with reduced height sensitivity - Google Patents
Readhead with reduced height sensitivityInfo
- Publication number
- DE3574286D1 DE3574286D1 DE8585112315T DE3574286T DE3574286D1 DE 3574286 D1 DE3574286 D1 DE 3574286D1 DE 8585112315 T DE8585112315 T DE 8585112315T DE 3574286 T DE3574286 T DE 3574286T DE 3574286 D1 DE3574286 D1 DE 3574286D1
- Authority
- DE
- Germany
- Prior art keywords
- readhead
- reduced height
- height sensitivity
- sensitivity
- reduced
- 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
Links
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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
- G01N2021/4742—Details of optical heads therefor, e.g. using optical fibres comprising optical fibres
-
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N2021/4776—Miscellaneous in diffuse reflection devices
- G01N2021/478—Application in testing analytical test strips
-
- 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
- G01N2201/065—Integrating spheres
Landscapes
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
- Spectrometry And Color Measurement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/659,416 US4659229A (en) | 1984-10-10 | 1984-10-10 | Readhead with reduced height sensitivity |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3574286D1 true DE3574286D1 (en) | 1989-12-21 |
Family
ID=24645324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585112315T Expired DE3574286D1 (en) | 1984-10-10 | 1985-09-28 | Readhead with reduced height sensitivity |
Country Status (6)
Country | Link |
---|---|
US (1) | US4659229A (de) |
EP (1) | EP0177861B1 (de) |
JP (1) | JPS6191526A (de) |
AU (1) | AU555403B2 (de) |
CA (1) | CA1241212A (de) |
DE (1) | DE3574286D1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61178621A (ja) * | 1985-02-04 | 1986-08-11 | Hochiki Corp | 炎検出装置 |
US4729657A (en) * | 1986-06-23 | 1988-03-08 | Miles Laboratories, Inc. | Method of calibrating reflectance measuring devices |
DE3630777A1 (de) * | 1986-09-10 | 1988-03-24 | Hoechst Ag | Vorrichtung zum auswerten von teststreifen |
US4995727A (en) * | 1987-05-22 | 1991-02-26 | Minolta Camera Kabushiki Kaisha | Compact diffusion light mixing box and colorimeter |
JPS63305224A (ja) * | 1987-06-05 | 1988-12-13 | Minolta Camera Co Ltd | 測色計 |
US5028139A (en) * | 1987-07-16 | 1991-07-02 | Miles Inc. | Readhead for reflectance measurement of distant samples |
US4954722A (en) * | 1989-07-21 | 1990-09-04 | The United States Of America As Represented By The Secretary Of Commerce | Scanning scattering microscope with hemispherical mirror and microfocused beam |
US5282017A (en) * | 1990-01-05 | 1994-01-25 | Quantum Logic Corporation | Reflectance probe |
DE4027454B4 (de) * | 1990-08-30 | 2006-07-13 | X-Rite Gmbh | Zur Messung der Reflexionseigenschaften von Proben vorgesehene Flächenleuchte |
DE4133947B4 (de) * | 1991-10-14 | 2004-07-29 | Abb Schweiz Ag | Sensor zum Erfassen von Zersetzungsprodukten eines in einer gekapselten elektrischen Anlage befindlichen Isoliergases |
US5701181A (en) * | 1995-05-12 | 1997-12-23 | Bayer Corporation | Fiber optic diffuse light reflectance sensor utilized in the detection of occult blood |
US6394952B1 (en) * | 1998-02-03 | 2002-05-28 | Adeza Biomedical Corporation | Point of care diagnostic systems |
JP2002193250A (ja) * | 2000-12-27 | 2002-07-10 | Nihon Tetra Pak Kk | 包装容器 |
US7585537B2 (en) * | 2004-05-03 | 2009-09-08 | Leprino Foods Company | Cheese and methods of making such cheese |
US7264971B2 (en) * | 2004-07-20 | 2007-09-04 | Siemens Medical Solutions Diagnostics | Read-head for optical diagnostic device |
GB0421374D0 (en) * | 2004-09-25 | 2004-10-27 | Univ Surrey | Measuring device and system for measuring reflectance characteristics |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3097563A (en) * | 1963-07-16 | Exposure control for color prints | ||
GB1164799A (en) * | 1966-01-07 | 1969-09-24 | Vyzk Ustav Matemat Stroju | Optical Scanning Device |
US3718399A (en) * | 1971-06-29 | 1973-02-27 | G Kalman | Distance compensated reflectance sensor |
US4123172A (en) * | 1976-09-07 | 1978-10-31 | Sterndent Corporation | Comparison type colorimeter |
US4171909A (en) * | 1977-03-25 | 1979-10-23 | Miles Laboratories, Inc. | Apparatus for measuring light intensities |
US4310249A (en) * | 1979-10-09 | 1982-01-12 | Miles Laboratories, Inc. | Spectrophotometer |
US4395126A (en) * | 1981-03-12 | 1983-07-26 | Miles Laboratories, Inc. | Apparatus for reflectance measurement of fluorescent radiation and composite useful therein |
DE3138878A1 (de) * | 1981-09-30 | 1983-04-14 | Boehringer Mannheim Gmbh, 6800 Mannheim | Messeinrichtung, insbesondere ulbricht'sche kugel |
US4518259A (en) * | 1982-07-26 | 1985-05-21 | Eastman Kodak Company | Light guide reflectometer |
US4552458A (en) * | 1983-10-11 | 1985-11-12 | Eastman Kodak Company | Compact reflectometer |
-
1984
- 1984-10-10 US US06/659,416 patent/US4659229A/en not_active Expired - Fee Related
-
1985
- 1985-06-25 CA CA000485103A patent/CA1241212A/en not_active Expired
- 1985-09-10 AU AU47313/85A patent/AU555403B2/en not_active Ceased
- 1985-09-28 DE DE8585112315T patent/DE3574286D1/de not_active Expired
- 1985-09-28 EP EP85112315A patent/EP0177861B1/de not_active Expired
- 1985-10-09 JP JP60223912A patent/JPS6191526A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1241212A (en) | 1988-08-30 |
AU4731385A (en) | 1986-05-15 |
US4659229A (en) | 1987-04-21 |
EP0177861A2 (de) | 1986-04-16 |
JPH058975B2 (de) | 1993-02-03 |
JPS6191526A (ja) | 1986-05-09 |
EP0177861B1 (de) | 1989-11-15 |
EP0177861A3 (en) | 1986-07-23 |
AU555403B2 (en) | 1986-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |