CH622369A5 - - Google Patents

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Publication number
CH622369A5
CH622369A5 CH413178A CH413178A CH622369A5 CH 622369 A5 CH622369 A5 CH 622369A5 CH 413178 A CH413178 A CH 413178A CH 413178 A CH413178 A CH 413178A CH 622369 A5 CH622369 A5 CH 622369A5
Authority
CH
Switzerland
Prior art keywords
signal
ultraviolet
photoelectric element
source
trigger
Prior art date
Application number
CH413178A
Other languages
English (en)
French (fr)
Inventor
Nicolas Favre
Original Assignee
Radioelectrique Comp Ind
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 Radioelectrique Comp Ind filed Critical Radioelectrique Comp Ind
Priority to CH413178A priority Critical patent/CH622369A5/fr
Priority to GB7912375A priority patent/GB2018984B/en
Priority to IT21742/79A priority patent/IT1112233B/it
Priority to FR7909963A priority patent/FR2423773A1/fr
Priority to US06/030,819 priority patent/US4275299A/en
Priority to DE19792915423 priority patent/DE2915423A1/de
Priority to JP4680379A priority patent/JPS54140425A/ja
Priority to ES489091A priority patent/ES8103413A1/es
Publication of CH622369A5 publication Critical patent/CH622369A5/fr

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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing 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
    • G07D7/06—Testing 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
    • G07D7/12—Visible light, infrared or ultraviolet radiation
CH413178A 1978-04-18 1978-04-18 CH622369A5 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CH413178A CH622369A5 (de) 1978-04-18 1978-04-18
GB7912375A GB2018984B (en) 1978-04-18 1979-04-09 Method and apparatus for detecting a fluorescent area on afluorescent area on a sheet of paper
IT21742/79A IT1112233B (it) 1978-04-18 1979-04-10 Procedimento e dispositivo di rivelazione di una zona fluorescente su un foglio di carta
FR7909963A FR2423773A1 (fr) 1978-04-18 1979-04-12 Procede et dispositif de detection d'une zone fluorescente sur une feuille de papier
US06/030,819 US4275299A (en) 1978-04-18 1979-04-17 Method and apparatus for detecting a fluorescent area on a sheet of paper
DE19792915423 DE2915423A1 (de) 1978-04-18 1979-04-17 Messanordnung zum nachweis einer fluoreszierenden markierung auf einem papierbogen
JP4680379A JPS54140425A (en) 1978-04-18 1979-04-18 Method of and device for detecting fluorescent band on sheet
ES489091A ES8103413A1 (es) 1978-04-18 1980-02-29 Perfeccionamiento en dispositivos de deteccion de una zona fluorescente sobre una hoja de papel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH413178A CH622369A5 (de) 1978-04-18 1978-04-18

Publications (1)

Publication Number Publication Date
CH622369A5 true CH622369A5 (de) 1981-03-31

Family

ID=4270406

Family Applications (1)

Application Number Title Priority Date Filing Date
CH413178A CH622369A5 (de) 1978-04-18 1978-04-18

Country Status (8)

Country Link
US (1) US4275299A (de)
JP (1) JPS54140425A (de)
CH (1) CH622369A5 (de)
DE (1) DE2915423A1 (de)
ES (1) ES8103413A1 (de)
FR (1) FR2423773A1 (de)
GB (1) GB2018984B (de)
IT (1) IT1112233B (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3038602C2 (de) * 1980-10-13 1986-09-25 COPYTEX GmbH Sicherheitssysteme, 7730 Villingen-Schwenningen Verfahren zum Erkennen der Echtheit eines Datenträgers
DE3127195A1 (de) * 1981-07-07 1983-04-21 Libbey-Owens-Ford Co., Toledo, Ohio Verfahren und vorrichtung zur feststellung des vorhandenseins von spuren fluoreszierender, auf einer oberflaeche von in einer bestimmten richtung orientierten scheibenfoermigen gegenstaenden waehrend ihrer formung niedergeschlagener materialien
FR2509858B1 (fr) * 1981-07-15 1985-12-27 Libbey Owens Ford Co Procede et dispositif de controle de la presence de traces de matiere fluorescente sur une plaque de verre
GB8311795D0 (en) * 1983-04-29 1983-06-02 De La Rue Syst Detecting luminescent security features
GB2217833A (en) * 1988-04-30 1989-11-01 Cranfield Inst Of Tech Registration mark detection system
GB2219078B (en) * 1988-05-06 1992-08-26 Gersan Ets Identifying the position of objects or zones
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
GB2219080B (en) * 1988-05-06 1992-11-04 Gersan Ets Identifying gemstones
FR2660462B1 (fr) * 1990-03-30 1992-07-31 Ixea Procede et dispositif de lecture de codes invisibles.
US5418855A (en) * 1993-09-27 1995-05-23 Angstrom Technologies, Inc. Authentication system and method
CA2179994A1 (en) * 1994-01-04 1995-07-13 John Geoffrey Hopwood Detection of counterfeits objects, for instance counterfeits banknotes
US5918960A (en) * 1994-01-04 1999-07-06 Mars Incorporated Detection of counterfeit objects, for instance counterfeit banknotes
GB2287533B (en) * 1994-03-08 1998-09-16 Hitachi Maxell Fluorescent detecting apparatus and method
EP0700980B1 (de) 1994-03-17 1999-11-17 Hitachi Maxell, Ltd. PHOSPHOR, PHOSPHORZUSAMMENSETZUNG und FLUORESZENTER MARK-TRÄGER
US5548106A (en) * 1994-08-30 1996-08-20 Angstrom Technologies, Inc. Methods and apparatus for authenticating data storage articles
US6201662B1 (en) 1998-09-25 2001-03-13 Iomega Corporation Latent illuminance discrimination marker with reflective layer for data storage cartridges
US6264107B1 (en) 1997-09-26 2001-07-24 Iomega Corporation Latent illuminance discrimination marker system for authenticating articles
US6359745B1 (en) 1997-09-26 2002-03-19 Iomega Corporation Latent illuminance discrimination marker system for data storage cartridges
US6181662B1 (en) 1997-09-26 2001-01-30 Iomega Corporation Latent irradiance discrimination method and marker system for cartridgeless data storage disks
US6091563A (en) * 1997-09-26 2000-07-18 Iomega Corporation Latent illuminance discrimination marker system for data storage cartridges
US6405929B1 (en) 1998-05-29 2002-06-18 Hand Held Products, Inc. Material detection systems for security documents
DE19901702A1 (de) 1999-01-18 2000-07-20 Giesecke & Devrient Gmbh Verfahren zur Überprüfung des Zustandes einer Vorrichtung zur Prüfung von Blattgut
US20030112423A1 (en) * 2000-04-24 2003-06-19 Rakesh Vig On-line verification of an authentication mark applied to products or product packaging
DK1237128T3 (da) * 2001-03-01 2012-10-29 Sicpa Holding Sa Detektor til forbedrede luminescerende egenskaber
CA2354202A1 (en) * 2001-07-26 2003-01-26 Deborah Jean Henry Stone cell determination using fluorescence
CA2628858A1 (en) * 2005-07-06 2007-01-11 Track 'n Find Pty Ltd. A system and method for locating one or more persons

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736428A (en) * 1958-03-27 1973-05-29 Thompson Ramo Wooldridge Inc Detecting with ultraviolet light
US3444517A (en) * 1965-03-09 1969-05-13 Control Data Corp Optical reading machine and specially prepared documents therefor
US3614430A (en) * 1969-03-10 1971-10-19 Pitney Bowes Alpex Fluorescent-ink-imprinted coded document and method and apparatus for use in connection therewith
US3751667A (en) * 1971-08-10 1973-08-07 G Quittner Radiation path continuity transducer of high pass frequency
US3918812A (en) * 1973-05-07 1975-11-11 Us Energy Diagnoses of disease states by fluorescent measurements utilizing scanning laser beams
US3854050A (en) * 1973-09-11 1974-12-10 Department Of Health Education High precision fluorometer for measuring enzymatic substrates in tissue
US3935922A (en) * 1974-07-16 1976-02-03 Lear Siegler, Inc. Vehicle guidance mechanism
US4158778A (en) * 1978-03-01 1979-06-19 Armstrong Cork Company Optoelectronic scanning device

Also Published As

Publication number Publication date
US4275299A (en) 1981-06-23
FR2423773B1 (de) 1984-02-03
GB2018984B (en) 1982-11-10
DE2915423A1 (de) 1979-10-31
GB2018984A (en) 1979-10-24
IT1112233B (it) 1986-01-13
JPS54140425A (en) 1979-10-31
IT7921742A0 (it) 1979-04-10
ES489091A0 (es) 1981-02-16
ES8103413A1 (es) 1981-02-16
FR2423773A1 (fr) 1979-11-16

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PL Patent ceased