DE69005681T2 - Transmissions-/Reflektionsdensitometer mit zwei Messköpfen. - Google Patents

Transmissions-/Reflektionsdensitometer mit zwei Messköpfen.

Info

Publication number
DE69005681T2
DE69005681T2 DE69005681T DE69005681T DE69005681T2 DE 69005681 T2 DE69005681 T2 DE 69005681T2 DE 69005681 T DE69005681 T DE 69005681T DE 69005681 T DE69005681 T DE 69005681T DE 69005681 T2 DE69005681 T2 DE 69005681T2
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
Application number
DE69005681T
Other languages
English (en)
Other versions
DE69005681D1 (de
Inventor
Anthony J Magistro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GRETAG-MACBETH HOLDING AG GRETAGMACBETH LLC, NEW W
Original Assignee
Kollmorgen Instrument Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kollmorgen Instrument Corp filed Critical Kollmorgen Instrument Corp
Publication of DE69005681D1 publication Critical patent/DE69005681D1/de
Application granted granted Critical
Publication of DE69005681T2 publication Critical patent/DE69005681T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
DE69005681T 1989-02-10 1990-02-09 Transmissions-/Reflektionsdensitometer mit zwei Messköpfen. Expired - Fee Related DE69005681T2 (de)

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 DE69005681D1 (de) 1994-02-17
DE69005681T2 true 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)

* Cited by examiner, † Cited by third party
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
USRE38986E1 (en) 1998-09-01 2006-02-21 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
JP6250053B2 (ja) * 2012-09-04 2017-12-20 フェンウォール、インコーポレイテッド 血液処理システムの境界検知装置
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0391037B1 (de) 1994-01-05
EP0391037A1 (de) 1990-10-10
US4937637A (en) 1990-06-26
DE69005681D1 (de) 1994-02-17

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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