WO2001028006A3 - Black light sources and methods for excitation of fluorescence - Google Patents

Black light sources and methods for excitation of fluorescence Download PDF

Info

Publication number
WO2001028006A3
WO2001028006A3 PCT/US2000/041101 US0041101W WO0128006A3 WO 2001028006 A3 WO2001028006 A3 WO 2001028006A3 US 0041101 W US0041101 W US 0041101W WO 0128006 A3 WO0128006 A3 WO 0128006A3
Authority
WO
WIPO (PCT)
Prior art keywords
ultraviolet
methods
excitation
fluorescence
light sources
Prior art date
Application number
PCT/US2000/041101
Other languages
French (fr)
Other versions
WO2001028006A2 (en
Inventor
Louis H Liang
D B Krug Kruger
Donald L Wray
Original Assignee
Angstrom Technologies Inc
Louis H Liang
D B Krug Kruger
Donald L Wray
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 Angstrom Technologies Inc, Louis H Liang, D B Krug Kruger, Donald L Wray filed Critical Angstrom Technologies Inc
Priority to AU19633/01A priority Critical patent/AU1963301A/en
Publication of WO2001028006A2 publication Critical patent/WO2001028006A2/en
Publication of WO2001028006A3 publication Critical patent/WO2001028006A3/en

Links

Classifications

    • 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
    • G07D7/128—Viewing devices
    • 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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10881—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices constructional details of hand-held scanners

Abstract

A high-performance ultraviolet excitation source is made with one or more ultraviolet-emitting LED's or ultraviolet-emitting laser diodes, which may be modulated at various frequencies for strobing or synchronous detection. The source may optionally include one or more visible-light LED's, such as white-light LED's, for detection of visual features of an article under examination. Methods and apparatus using the ultraviolet source for authentication, quality control, and sports or entertainment are described.
PCT/US2000/041101 1999-10-12 2000-10-10 Black light sources and methods for excitation of fluorescence WO2001028006A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19633/01A AU1963301A (en) 1999-10-12 2000-10-10 Black light sources and methods for excitation of fluorescence

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15902099P 1999-10-12 1999-10-12
US60/159,020 1999-10-12

Publications (2)

Publication Number Publication Date
WO2001028006A2 WO2001028006A2 (en) 2001-04-19
WO2001028006A3 true WO2001028006A3 (en) 2002-05-02

Family

ID=22570737

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/041101 WO2001028006A2 (en) 1999-10-12 2000-10-10 Black light sources and methods for excitation of fluorescence

Country Status (2)

Country Link
AU (1) AU1963301A (en)
WO (1) WO2001028006A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004022180A1 (en) * 2002-09-06 2004-03-18 System-300 Group Oy A glowing bowling lane
WO2005124949A1 (en) * 2004-06-22 2005-12-29 Hentze-Lissotschenko Patentverwaltungs Gmbh & Co. Kg Laser device
WO2006022823A1 (en) 2004-07-29 2006-03-02 Centrus International, Inc. Detection of microorganisms with a fluorescence-based device
US10180248B2 (en) 2015-09-02 2019-01-15 ProPhotonix Limited LED lamp with sensing capabilities

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872463A (en) * 1972-04-17 1975-03-18 James M Lapeyre Alphanumeric display system
US4984287A (en) * 1988-11-15 1991-01-08 Msc Technologies, Inc. Method for orienting a dual mouse optical scanner
EP0543058A1 (en) * 1991-11-21 1993-05-26 Klaus Henning Dipl.-Ing. Steiger Forged money detector
WO1998003932A1 (en) * 1996-07-22 1998-01-29 Wizcom Technologies Ltd. Hand-holdable optical scanner particularly useful as electronic translator
EP0935223A1 (en) * 1998-02-05 1999-08-11 Ascom Autelca Ag Apparatus for authenticating valuable documents
GB2334574A (en) * 1998-02-19 1999-08-25 Panoptic Limited Apparatus for the detection of counterfeit items by their fluorescence
EP0996099A2 (en) * 1998-10-23 2000-04-26 BUNDESDRUCKEREI GmbH Electroluminescent semiconductor for testing luminescent security features

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642526A (en) 1984-09-14 1987-02-10 Angstrom Robotics & Technologies, Inc. Fluorescent object recognition system having self-modulated light source
US5418855A (en) 1993-09-27 1995-05-23 Angstrom Technologies, Inc. Authentication system and method
US5574790A (en) 1993-09-27 1996-11-12 Angstrom Technologies, Inc. Fluorescence authentication reader with coaxial optics
US5605738A (en) 1993-09-30 1997-02-25 Angstrom Technologies, Inc. Tamper resistant system using ultraviolet fluorescent chemicals
US5414258A (en) 1993-11-22 1995-05-09 Angstrom Technologies, Inc. Apparatus and method for calibration of fluorescence detectors
US5714291A (en) 1993-12-23 1998-02-03 Daniel Marinello System for authenticating printed or reproduced documents
US5548106A (en) 1994-08-30 1996-08-20 Angstrom Technologies, Inc. Methods and apparatus for authenticating data storage articles

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872463A (en) * 1972-04-17 1975-03-18 James M Lapeyre Alphanumeric display system
US4984287A (en) * 1988-11-15 1991-01-08 Msc Technologies, Inc. Method for orienting a dual mouse optical scanner
EP0543058A1 (en) * 1991-11-21 1993-05-26 Klaus Henning Dipl.-Ing. Steiger Forged money detector
WO1998003932A1 (en) * 1996-07-22 1998-01-29 Wizcom Technologies Ltd. Hand-holdable optical scanner particularly useful as electronic translator
EP0935223A1 (en) * 1998-02-05 1999-08-11 Ascom Autelca Ag Apparatus for authenticating valuable documents
GB2334574A (en) * 1998-02-19 1999-08-25 Panoptic Limited Apparatus for the detection of counterfeit items by their fluorescence
EP0996099A2 (en) * 1998-10-23 2000-04-26 BUNDESDRUCKEREI GmbH Electroluminescent semiconductor for testing luminescent security features

Also Published As

Publication number Publication date
AU1963301A (en) 2001-04-23
WO2001028006A2 (en) 2001-04-19

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