IT1400414B1 - Dispositivo di lettura di supporti dati ottici - Google Patents

Dispositivo di lettura di supporti dati ottici

Info

Publication number
IT1400414B1
IT1400414B1 ITRM2010A000238A ITRM20100238A IT1400414B1 IT 1400414 B1 IT1400414 B1 IT 1400414B1 IT RM2010A000238 A ITRM2010A000238 A IT RM2010A000238A IT RM20100238 A ITRM20100238 A IT RM20100238A IT 1400414 B1 IT1400414 B1 IT 1400414B1
Authority
IT
Italy
Prior art keywords
reading device
optical data
data supports
supports
optical
Prior art date
Application number
ITRM2010A000238A
Other languages
English (en)
Inventor
Giuseppe Ghisa
Michela Casini
Original Assignee
Zecca Dello Ist Poligrafico
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 Zecca Dello Ist Poligrafico filed Critical Zecca Dello Ist Poligrafico
Priority to ITRM2010A000238A priority Critical patent/IT1400414B1/it
Priority to EP20110165293 priority patent/EP2386884B1/en
Publication of ITRM20100238A1 publication Critical patent/ITRM20100238A1/it
Application granted granted Critical
Publication of IT1400414B1 publication Critical patent/IT1400414B1/it

Links

Classifications

    • 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
    • G06K19/16—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 a hologram or diffraction grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4238—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in optical recording or readout devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Facsimile Heads (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
ITRM2010A000238A 2010-05-12 2010-05-12 Dispositivo di lettura di supporti dati ottici IT1400414B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITRM2010A000238A IT1400414B1 (it) 2010-05-12 2010-05-12 Dispositivo di lettura di supporti dati ottici
EP20110165293 EP2386884B1 (en) 2010-05-12 2011-05-09 Device for reading optical data supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM2010A000238A IT1400414B1 (it) 2010-05-12 2010-05-12 Dispositivo di lettura di supporti dati ottici

Publications (2)

Publication Number Publication Date
ITRM20100238A1 ITRM20100238A1 (it) 2011-11-13
IT1400414B1 true IT1400414B1 (it) 2013-05-31

Family

ID=42813297

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM2010A000238A IT1400414B1 (it) 2010-05-12 2010-05-12 Dispositivo di lettura di supporti dati ottici

Country Status (2)

Country Link
EP (1) EP2386884B1 (it)
IT (1) IT1400414B1 (it)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU584035B2 (en) * 1985-03-01 1989-05-11 Kenneth John Hayden Holographic security devices and systems
KR910008421B1 (ko) * 1988-05-24 1991-10-15 주식회사 금성사 홀로그램 스캐너를 이용한 바코드리더의 바코드 검지방법 및 주사광학계
IT1264651B1 (it) * 1993-07-02 1996-10-04 O S C Oto Sistemi Civili S P A Apparecchiatura opto-elettronica e relativo metodo per il controllo automatico di autenticita' di documenti e oggetti mediante ologrammi
EP0644508B1 (en) * 1993-08-31 1999-12-22 Control Module, Inc. Secure optical identification method and means
CH693693A5 (de) * 1997-06-06 2003-12-15 Ovd Kinegram Ag Vorrichtung zum Erkennen beugungsoptischer Markierungen.
EP1321890B1 (en) * 2001-12-18 2006-11-02 Istituto Poligrafico E Zecca Dello Stato Optical data carrier having an optical diffractive code, and related reading apparatus
US7076100B2 (en) * 2002-09-05 2006-07-11 Hi-Touch Imaging Technologies Co., Ltd. Method and apprartus thereof for detecting a hidden image in a hologram

Also Published As

Publication number Publication date
ITRM20100238A1 (it) 2011-11-13
EP2386884B1 (en) 2015-04-29
EP2386884A1 (en) 2011-11-16

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