DE69005681D1 - Transmissions-/Reflektionsdensitometer mit zwei Messköpfen. - Google Patents
Transmissions-/Reflektionsdensitometer mit zwei Messköpfen.Info
- Publication number
- DE69005681D1 DE69005681D1 DE90102604T DE69005681T DE69005681D1 DE 69005681 D1 DE69005681 D1 DE 69005681D1 DE 90102604 T DE90102604 T DE 90102604T DE 69005681 T DE69005681 T DE 69005681T DE 69005681 D1 DE69005681 D1 DE 69005681D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission
- measuring heads
- reflection densitometer
- densitometer
- reflection
- 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 - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title 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
- G01N21/47—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
- G01N21/59—Transmissivity
- G01N21/5907—Densitometers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/309,096 US4937637A (en) | 1989-02-10 | 1989-02-10 | Dual reading head transmission/reflection densitometer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69005681D1 true DE69005681D1 (de) | 1994-02-17 |
DE69005681T2 DE69005681T2 (de) | 1994-07-21 |
Family
ID=23196676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69005681T Expired - Fee Related DE69005681T2 (de) | 1989-02-10 | 1990-02-09 | Transmissions-/Reflektionsdensitometer mit zwei Messköpfen. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4937637A (de) |
EP (1) | EP0391037B1 (de) |
DE (1) | DE69005681T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5137364A (en) * | 1991-01-31 | 1992-08-11 | Mccarthy Cornelius J | Optical spectral analysis apparatus |
US5260574A (en) * | 1992-06-26 | 1993-11-09 | The United States Of America As Represented By The Secretary Of The Air Force | Infrared densitometer |
US5815254A (en) * | 1996-10-08 | 1998-09-29 | Spectronic Instruments, Inc. | Transmittance and reflectance measuring spectrophotometer having dual use light channels |
US6198536B1 (en) | 1998-09-01 | 2001-03-06 | X-Rite, Incorporated | Portable scanning spectrophotometer |
US8351026B2 (en) * | 2005-04-22 | 2013-01-08 | Affymetrix, Inc. | Methods and devices for reading microarrays |
FI20115483A0 (fi) | 2011-05-19 | 2011-05-19 | Wallac Oy | Mittauslaite |
CN104602725B (zh) * | 2012-09-04 | 2017-04-26 | 汾沃有限公司 | 用于血液处理系统的界面检测器 |
JP6623624B2 (ja) * | 2015-09-01 | 2019-12-25 | セイコーエプソン株式会社 | 媒体テクスチャー検出装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3102202A (en) * | 1960-04-12 | 1963-08-27 | Gen Aniline & Film Corp | Photometric instruments |
US3244062A (en) * | 1960-04-12 | 1966-04-05 | Gen Aniline & Film Corp | Photo-electrical sensitometric measuring apparatus |
US3542479A (en) * | 1968-02-05 | 1970-11-24 | Berkey Photo Inc | Densitometer |
DE2047952C3 (de) * | 1970-09-30 | 1973-10-18 | Fa. Carl Zeiss, 7920 Heidenheim | Verfahren zur photometrischen Auswertung der sich bei der Auftrennung von Substanz gemischen in dünnen Schichten aus licht streuendem Material ergebenden Zonen |
DE2207194C3 (de) * | 1972-02-16 | 1975-12-18 | Du Pont De Nemours (Deutschland) Gmbh, 4000 Duesseldorf | Densitometer |
US3998551A (en) * | 1975-11-20 | 1976-12-21 | Shigeru Suga | Device for measuring stimulus values of the color of a liquid |
US4171909A (en) * | 1977-03-25 | 1979-10-23 | Miles Laboratories, Inc. | Apparatus for measuring light intensities |
US4281932A (en) * | 1979-06-14 | 1981-08-04 | Young Thomas A | Light absorptivity measuring device |
JPS5674790A (en) * | 1979-11-22 | 1981-06-20 | Tokyo Shibaura Electric Co | Bill discriminator |
JPS56154605A (en) * | 1980-05-01 | 1981-11-30 | Dainippon Screen Mfg Co Ltd | Measuring method and device for mesh image density or mesh area rate |
CH655183A5 (de) * | 1981-06-12 | 1986-03-27 | Gretag Ag | Verfahren und vorrichtung zur farbauftragsbestimmung einer aufsichtsbildvorlage. |
JPS58162038A (ja) * | 1982-03-23 | 1983-09-26 | Canon Inc | 面状態検査装置 |
DE3219429A1 (de) * | 1982-05-24 | 1983-11-24 | Horst Dipl.-Ing. 6101 Messel Köth | Verfahren und vorrichtung zur messung der dichte bzw. schwaerzung von bildvorlagen |
US4564290A (en) * | 1982-09-30 | 1986-01-14 | Harris Graphics Corporation | Apparatus for determining image areas from films and plates |
US4645351A (en) * | 1983-06-01 | 1987-02-24 | Fuji Photo Film Co., Ltd. | Methods and apparatus for discriminating between the front and back surfaces of films |
DE8811754U1 (de) * | 1988-09-16 | 1988-12-22 | Heiland Electronic Automatisierungs- Und Messtechnik, 6330 Wetzlar, De |
-
1989
- 1989-02-10 US US07/309,096 patent/US4937637A/en not_active Expired - Lifetime
-
1990
- 1990-02-09 EP EP90102604A patent/EP0391037B1/de not_active Expired - Lifetime
- 1990-02-09 DE DE69005681T patent/DE69005681T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69005681T2 (de) | 1994-07-21 |
EP0391037B1 (de) | 1994-01-05 |
EP0391037A1 (de) | 1990-10-10 |
US4937637A (en) | 1990-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: GRETAG-MACBETH HOLDING AG GRETAGMACBETH LLC, NEW W |
|
8339 | Ceased/non-payment of the annual fee |