BE795553A - APPARATUS ALLOWING TO COMPARE RESPECTIVE SPECTRAL RE-EMISSIONS FROM COLORED SURFACES - Google Patents

APPARATUS ALLOWING TO COMPARE RESPECTIVE SPECTRAL RE-EMISSIONS FROM COLORED SURFACES

Info

Publication number
BE795553A
BE795553A BE795553DA BE795553A BE 795553 A BE795553 A BE 795553A BE 795553D A BE795553D A BE 795553DA BE 795553 A BE795553 A BE 795553A
Authority
BE
Belgium
Prior art keywords
emissions
respective spectral
apparatus allowing
colored surfaces
compare respective
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Landis & Gyr Ag
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.)
Publication date
Publication of BE795553A publication Critical patent/BE795553A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07DHANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12Visible light, infrared or ultraviolet radiation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/501Colorimeters using spectrally-selective light sources, e.g. LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
BE795553D 1972-02-17 APPARATUS ALLOWING TO COMPARE RESPECTIVE SPECTRAL RE-EMISSIONS FROM COLORED SURFACES BE795553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH230472A CH541840A (en) 1972-02-17 1972-02-17 Device for comparing the spectral remission of colored surfaces

Publications (1)

Publication Number Publication Date
BE795553A true BE795553A (en) 1973-06-18

Family

ID=4230658

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795553D BE795553A (en) 1972-02-17 APPARATUS ALLOWING TO COMPARE RESPECTIVE SPECTRAL RE-EMISSIONS FROM COLORED SURFACES

Country Status (12)

Country Link
AT (1) AT321619B (en)
BE (1) BE795553A (en)
CH (1) CH541840A (en)
DE (1) DE2247205C3 (en)
DK (1) DK144605C (en)
ES (1) ES411639A1 (en)
FR (1) FR2172074B1 (en)
GB (1) GB1384501A (en)
IT (1) IT979043B (en)
NL (1) NL145356B (en)
NO (1) NO138302C (en)
SE (1) SE392177B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125329A (en) * 1976-09-07 1978-11-14 Sterndent Corporation Tristimulus colorimeter
CH634411A5 (en) * 1978-10-10 1983-01-31 Sodeco Compteurs De Geneve Method for determining suitable optical wavelengths, for distinguishing test objects optically, and appliance required therefor and application of the method
US4455090A (en) * 1979-07-26 1984-06-19 The Wiggins Teape Group Limited Apparatus for measuring surface reflectance characteristics
NL8202920A (en) * 1982-07-20 1984-02-16 Tno APPARATUS FOR RECOGNIZING AND EXAMINING LEAF ARTICLES SUCH AS BANKNOTES OR THE LIKE.
EP0198819B1 (en) * 1983-12-27 1988-08-24 BERGSTRÖM, Arne Apparatus for authenticating bank notes
US4881268A (en) * 1986-06-17 1989-11-14 Laurel Bank Machines Co., Ltd. Paper money discriminator
JPS63145926A (en) * 1986-12-10 1988-06-18 Hoya Corp Color sensor
JPH06208613A (en) * 1992-11-13 1994-07-26 Laurel Bank Mach Co Ltd Pattern detector
AT402861B (en) * 1994-03-28 1997-09-25 Oesterr Forsch Seibersdorf METHOD AND ARRANGEMENT FOR DETECTING OR FOR CONTROLLING AREA STRUCTURES OR THE SURFACE TEXTURE
GB2293649B (en) * 1994-09-29 1998-11-04 Mars Inc Apparatus for handling value sheets
US5889883A (en) * 1995-01-23 1999-03-30 Mars Incorporated Method and apparatus for optical sensor system and optical interface circuit
GB2332270A (en) * 1997-12-10 1999-06-16 Mars Inc Charge storage photoelectric measurement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480785A (en) * 1965-07-26 1969-11-25 Vendit Inc Method and apparatus for validating documents by spectral analysis of light reflected therefrom
US3451254A (en) * 1965-07-26 1969-06-24 Automation Ind Inc Nondestructive tester
CH484479A (en) * 1969-06-12 1970-01-15 Landis & Gyr Ag Device for the optical authentication of banknotes and other stamps

Also Published As

Publication number Publication date
DE2247205A1 (en) 1973-08-30
DE2247205C3 (en) 1975-03-06
NL145356B (en) 1975-03-17
NO138302B (en) 1978-05-02
NL7204746A (en) 1973-08-21
SE392177B (en) 1977-03-14
FR2172074B1 (en) 1976-01-30
AT321619B (en) 1975-04-10
NO138302C (en) 1978-08-09
CH541840A (en) 1973-09-15
DK144605B (en) 1982-04-13
FR2172074A1 (en) 1973-09-28
GB1384501A (en) 1975-02-19
DK144605C (en) 1982-09-20
IT979043B (en) 1974-09-30
DE2247205B2 (en) 1974-07-11
ES411639A1 (en) 1976-01-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LANDIS & GYR A.G.

Effective date: 19850216