GB2095822B - Identifying objects by detecting decaying phosphorescence from phosphor coating thereon - Google Patents

Identifying objects by detecting decaying phosphorescence from phosphor coating thereon

Info

Publication number
GB2095822B
GB2095822B GB8109834A GB8109834A GB2095822B GB 2095822 B GB2095822 B GB 2095822B GB 8109834 A GB8109834 A GB 8109834A GB 8109834 A GB8109834 A GB 8109834A GB 2095822 B GB2095822 B GB 2095822B
Authority
GB
United Kingdom
Prior art keywords
phosphor coating
identifying objects
detecting
phosphorescence
decaying phosphorescence
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
Application number
GB8109834A
Other versions
GB2095822A (en
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.)
RAMLEY ENGINEERING CO Ltd
Original Assignee
RAMLEY ENGINEERING CO Ltd
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 RAMLEY ENGINEERING CO Ltd filed Critical RAMLEY ENGINEERING CO Ltd
Priority to GB8109834A priority Critical patent/GB2095822B/en
Publication of GB2095822A publication Critical patent/GB2095822A/en
Application granted granted Critical
Publication of GB2095822B publication Critical patent/GB2095822B/en
Expired legal-status Critical Current

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
    • G07D7/20—Testing patterns thereon
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
    • D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
    • D21H21/48—Elements suited for physical verification, e.g. by irradiation
    • 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
    • G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/14—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by radiation
    • 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
    • G07D7/1205—Testing spectral properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
GB8109834A 1981-03-30 1981-03-30 Identifying objects by detecting decaying phosphorescence from phosphor coating thereon Expired GB2095822B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8109834A GB2095822B (en) 1981-03-30 1981-03-30 Identifying objects by detecting decaying phosphorescence from phosphor coating thereon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8109834A GB2095822B (en) 1981-03-30 1981-03-30 Identifying objects by detecting decaying phosphorescence from phosphor coating thereon

Publications (2)

Publication Number Publication Date
GB2095822A GB2095822A (en) 1982-10-06
GB2095822B true GB2095822B (en) 1984-10-10

Family

ID=10520753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8109834A Expired GB2095822B (en) 1981-03-30 1981-03-30 Identifying objects by detecting decaying phosphorescence from phosphor coating thereon

Country Status (1)

Country Link
GB (1) GB2095822B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2190996B (en) * 1986-05-23 1990-07-18 Michael Anthony West Article verification
US4791310A (en) * 1986-10-02 1988-12-13 Syracuse University Fluorescence microscopy
AU622667B2 (en) * 1988-05-06 1992-04-16 Gersan Establishment A method of identifying individual objects or zones
GB2219079B (en) * 1988-05-06 1992-09-09 Gersan Ets A method of identifying individual objects or zones
FR2652665B1 (en) * 1989-09-29 1992-11-20 Automatisme Cie Gle CODED MAGNETIC TRACK ACCESS OR PURCHASE AUTHORIZATION CARD, METHODS OF MANUFACTURE THEREOF, AND DEVICES FOR AUTHORIZING ACCESS OR PURCHASE AND IRREVERSIBLE ERASING OF THE OPTICAL CODING OF SUCH A CARD.
US5210411A (en) * 1990-06-29 1993-05-11 Hitachi Maxell, Ltd. Detection mark and method and apparatus for detecting mark
DE4213323A1 (en) * 1992-04-23 1993-10-28 Bayer Ag Improved procedure for labeling plastics
FR2698964A1 (en) * 1992-12-03 1994-06-10 Arufog Identification marking of wood and paper based supports - uses fluorescent or phosphorescent substances acted on by light emitted from optical fibre
FR2698971A1 (en) * 1992-12-03 1994-06-10 Arufog Surveillance security device - has light source passing digitally coded light through fibre optic cable to detector
JP3307787B2 (en) * 1994-02-15 2002-07-24 ローレルバンクマシン株式会社 Banknote discriminator of banknote handling machine
JP3448090B2 (en) * 1994-02-16 2003-09-16 浜松ホトニクス株式会社 Energy transfer detection method and apparatus
AU2243395A (en) * 1995-04-14 1996-10-30 Edwin B. Greene Negotiable instrument fraud detector and processor
WO1998033659A1 (en) * 1997-02-03 1998-08-06 Giesecke & Devrient Gmbh Value on paper, and production
US6091563A (en) * 1997-09-26 2000-07-18 Iomega Corporation Latent illuminance discrimination marker system for data storage cartridges
US6297508B1 (en) 1998-08-10 2001-10-02 Cryovac Inc. Method of determining authenticity of a packaged product
US6296189B1 (en) 1998-08-26 2001-10-02 Spectra Science Corporation. Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects
US6874639B2 (en) 1999-08-23 2005-04-05 Spectra Systems Corporation Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects
US6441380B1 (en) 1999-10-13 2002-08-27 Spectra Systems Corporation Coding and authentication by phase measurement modulation response and spectral emission
ES2312314T5 (en) * 2000-05-16 2017-07-18 Sicpa Holding Sa Method, device and security system, all to authenticate a dial
DE10113268B4 (en) 2001-03-16 2021-06-24 Bundesdruckerei Gmbh Sensor for the authentication of security features on value and / or security documents
DE10259293A1 (en) * 2002-12-18 2004-07-22 Giesecke & Devrient Gmbh Banknote validity testing device with which luminescent light generated from security markings is detected, whereby light source and detector are arranged opposite to each other and banknotes are passed between them
DE102004016249A1 (en) * 2004-04-02 2005-10-20 Chromeon Gmbh Luminescence optical methods for the authentication of products
US20070145293A1 (en) * 2005-12-27 2007-06-28 Ncr Corporation Secure tag validation
US8263948B2 (en) 2009-11-23 2012-09-11 Honeywell International Inc. Authentication apparatus for moving value documents
DE102016007063A1 (en) 2016-06-08 2017-12-14 Giesecke+Devrient Currency Technology Gmbh Method for securing value documents with storage phosphors
DE102016007099A1 (en) * 2016-06-08 2017-12-14 Giesecke+Devrient Currency Technology Gmbh Method for securing value documents with storage phosphors
EP4065963A1 (en) * 2019-11-25 2022-10-05 Spin & Turn - Consultadoria de Software, LDA Device and method for detecting reactive luminescent nano- or micro- particles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones

Also Published As

Publication number Publication date
GB2095822A (en) 1982-10-06

Similar Documents

Publication Publication Date Title
GB2095822B (en) Identifying objects by detecting decaying phosphorescence from phosphor coating thereon
DE3275404D1 (en) Luminescence detection device
GB2112779B (en) Aryl acridinium esters as luminescent labelling materials
DE3278938D1 (en) Firearm magazine
GB2110825B (en) Apparatus for detecting metal objects
GB2129451B (en) Spool tube magazine
AU550730B2 (en) Automated metal detection
DE3276340D1 (en) Method for the dispersal of subcharges from a carrier missile
GB2074340B (en) Fluorescent nucleic acid stains
ZA837604B (en) Sensor for metal coatings
JPS57203768A (en) Steel vacuum cementation
ZA834188B (en) Metal detection system
NZ225710A (en) Molluscicide comprising aluminium (iii) or iron (iii) chelate
JPS57181093A (en) Phosphorus-containing compound
DE3168149D1 (en) Compound piston
GB2109787B (en) Triarylboraneisocyano metal compounds
GB2112800B (en) Green light-emitting fluorescent substance
IT9020167A0 (en) ELECTRONIC GUN COMPLEX OF A SYSTEM FOR DISPLAYING COLOR IMAGES
PT74538A (en) Chemical compound
EP0057896A3 (en) Electromagnetically actuated hammer
GB2097933B (en) Means for detecting a metallic object
JPS5788186A (en) Aluminum compound containing organic group
DE3271989D1 (en) A magnetic retainer assembly
GB2094823B (en) Phosphor
GB2104866B (en) Identifying means

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee