DE69434146D1 - Gerät und Verfahren zur Ermittlung von unsichtbarer Information - Google Patents

Gerät und Verfahren zur Ermittlung von unsichtbarer Information

Info

Publication number
DE69434146D1
DE69434146D1 DE69434146T DE69434146T DE69434146D1 DE 69434146 D1 DE69434146 D1 DE 69434146D1 DE 69434146 T DE69434146 T DE 69434146T DE 69434146 T DE69434146 T DE 69434146T DE 69434146 D1 DE69434146 D1 DE 69434146D1
Authority
DE
Germany
Prior art keywords
invisible information
identification mark
region
reflectance
medium
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 - Lifetime
Application number
DE69434146T
Other languages
English (en)
Inventor
Kazuo Yoshinaga
Hiroshi Tanioka
Shinobu Arimoto
Toshio Hayashi
Takehiko Nakai
Tsutomu Utagawa
Tetsuya Nagase
Nobuatsu Sasanuma
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69434146D1 publication Critical patent/DE69434146D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/0084—Determining the necessity for prevention
    • H04N1/00843—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote
    • H04N1/00846—Determining the necessity for prevention based on recognising a copy prohibited original, e.g. a banknote based on detection of a dedicated indication, e.g. marks or the like
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/04—Preventing copies being made of an original
    • G03G21/046—Preventing copies being made of an original by discriminating a special original, e.g. a bank note
    • 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
    • G07D7/003—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 security elements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00838—Preventing unauthorised reproduction
    • H04N1/00856—Preventive measures
    • H04N1/00875—Inhibiting reproduction, e.g. by disabling reading or reproduction apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24835—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24893—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including particulate material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Toxicology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Cleaning In Electrography (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE69434146T 1993-01-19 1994-01-19 Gerät und Verfahren zur Ermittlung von unsichtbarer Information Expired - Lifetime DE69434146D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5006975A JPH06210987A (ja) 1993-01-19 1993-01-19 非可視化情報記録媒体、非可視化情報検出装置並びに記録剤

Publications (1)

Publication Number Publication Date
DE69434146D1 true DE69434146D1 (de) 2004-12-30

Family

ID=11653205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69434146T Expired - Lifetime DE69434146D1 (de) 1993-01-19 1994-01-19 Gerät und Verfahren zur Ermittlung von unsichtbarer Information

Country Status (6)

Country Link
US (2) US5503904A (de)
EP (1) EP0608118B1 (de)
JP (1) JPH06210987A (de)
AT (1) ATE283172T1 (de)
AU (1) AU674360B2 (de)
DE (1) DE69434146D1 (de)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3369269B2 (ja) * 1993-01-28 2003-01-20 株式会社リコー 画像読取装置
JP3147278B2 (ja) * 1994-11-09 2001-03-19 キヤノン株式会社 原稿検知方法及び装置
IL117357A (en) * 1995-03-08 1999-09-22 Bandag Inc Retreaded tires and method for making the same without spray cement
JP3068483B2 (ja) * 1996-02-08 2000-07-24 株式会社東芝 パターン読み出し方法、および光学的信号読み取り装置
US6106910A (en) * 1998-06-30 2000-08-22 Ncr Corporation Print media with near infrared fluorescent sense mark and printer therefor
EP0933227B1 (de) * 1998-02-02 2005-11-16 Ncr International Inc. Methode zur Ausgabe von Aufzeichnungsmaterial mit im nahen Infrarot fluoreszierenden Markierungen und Apparat dazu
US6060426A (en) * 1998-06-30 2000-05-09 Ncr Corporation Thermal paper with security features
US5984193A (en) * 1998-03-04 1999-11-16 Hewlett-Parkard Company Printer media with bar code identification system
US6165937A (en) * 1998-09-30 2000-12-26 Ncr Corporation Thermal paper with a near infrared radiation scannable data image
US6149719A (en) 1998-10-28 2000-11-21 Hewlett-Packard Company Light sensitive invisible ink compositions and methods for using the same
US6613403B2 (en) 1998-12-21 2003-09-02 Ncr Corporation Ink with near infrared fluorophores and U.V. absorbers
US6255665B1 (en) 1999-01-29 2001-07-03 Hewlett-Packard Company Print media and method of detecting a characteristic of a substrate of print media used in a printing device
US6450634B2 (en) 1999-01-29 2002-09-17 Hewlett-Packard Company Marking media using notches
AUPQ439299A0 (en) 1999-12-01 1999-12-23 Silverbrook Research Pty Ltd Interface system
US6148162A (en) * 1999-06-09 2000-11-14 Hewlett-Packard Company System and method for controlling an image transfer device
US6580820B1 (en) * 1999-06-09 2003-06-17 Xerox Corporation Digital imaging method and apparatus for detection of document security marks
IL130585A0 (en) * 1999-06-21 2000-06-01 Curie Authentication Technolog Marked difficult-to-counterfeit documents
US6542629B1 (en) 1999-07-22 2003-04-01 Xerox Corporation Digital imaging method and apparatus for detection of document security marks
US6542622B1 (en) * 1999-08-30 2003-04-01 Eastman Kodak Company Methods and articles for determining invisible ink print quality
US20050212830A1 (en) * 1999-09-17 2005-09-29 Silverbrook Research Pty Ltd Method of accessing a connection address using a mobile device with a sensing means
US7999964B2 (en) * 1999-12-01 2011-08-16 Silverbrook Research Pty Ltd Printing on pre-tagged media
CA2362661C (en) * 1999-12-10 2007-07-03 Japan Cash Machine Co., Ltd. Valuable paper distinguishable by a validator for discriminating bills
US6370844B1 (en) 2000-01-31 2002-04-16 Eveready Battery Company, Inc. Product packaging arrangement using invisible marking for product orientation
WO2002014435A1 (en) * 2000-08-14 2002-02-21 Silverbrook Research Pty Ltd Dibenzoanthraquinone based chromophores
US6559883B1 (en) * 2000-09-27 2003-05-06 David H. Sitrick Movie film security system utilizing infrared patterns
US7170577B2 (en) * 2000-09-27 2007-01-30 David H. Sitrick Targeted anti-piracy system and methodology
US6562755B1 (en) 2000-10-31 2003-05-13 Ncr Corporation Thermal paper with security features
JP2002137369A (ja) * 2000-10-31 2002-05-14 Suntory Ltd 撮像方法及び撮像装置、撮像対象、印刷方法
WO2004027738A1 (ja) * 2002-08-27 2004-04-01 Fp Corporation 産品情報表示体および産品真偽判別方法
FR2859730A1 (fr) * 2003-09-15 2005-03-18 Michelin Soc Tech Composition de caoutchouc comportant un citracomaleimide.
US7645719B2 (en) * 2004-10-13 2010-01-12 Ncr Corporation Thermal paper with security features
US7735993B2 (en) * 2005-05-09 2010-06-15 Silverbrook Research Pty Ltd Print medium having coded data and an orientation indicator
US7680512B2 (en) * 2005-05-09 2010-03-16 Silverbrook Research Pty Ltd Method of using a mobile device to print onto a print medium taking into account an orientation of a print medium
US7284921B2 (en) * 2005-05-09 2007-10-23 Silverbrook Research Pty Ltd Mobile device with first and second optical pathways
US7726764B2 (en) * 2005-05-09 2010-06-01 Silverbrook Research Pty Ltd Method of using a mobile device to determine a position of a print medium configured to be printed on by the mobile device
US7697159B2 (en) * 2005-05-09 2010-04-13 Silverbrook Research Pty Ltd Method of using a mobile device to determine movement of a print medium relative to the mobile device
US7645022B2 (en) * 2005-05-09 2010-01-12 Silverbrook Research Pty Ltd Mobile telecommunication device with a printhead, a capper and a locking mechanism for holding the capper in an uncapped position during printing
US7753517B2 (en) * 2005-05-09 2010-07-13 Silverbrook Research Pty Ltd Printhead with an optical sensor for receiving print data
DE602005012286D1 (de) 2005-11-25 2009-02-26 Sicpa Holding Sa IR-absorbierende Intaglio-Druckfarbe
DE102006008247A1 (de) * 2006-02-22 2007-08-23 Giesecke & Devrient Gmbh Lasermarkierbares Sicherheitselement
JP4848912B2 (ja) 2006-09-28 2011-12-28 富士ゼロックス株式会社 真偽判定装置、真偽判定方法、真偽判定プログラム、非晶質合金部材の作製方法
US7706700B2 (en) * 2007-03-21 2010-04-27 Xerox Corporation System and method for authenticating an electrostatographic material in an image forming apparatus
US9539778B2 (en) * 2007-11-28 2017-01-10 The Goodyear Tire & Rubber Company Pneumatic tire and a process to retread a tire
US20090214972A1 (en) * 2008-02-26 2009-08-27 Xerox Corporation Toner compositions
US8932965B1 (en) * 2008-07-30 2015-01-13 International Textile Group, Inc. Camouflage pattern with extended infrared reflectance separation
US8283617B2 (en) * 2009-03-05 2012-10-09 Silitek Electronic (Guangzhou) Co., Ltd. Display device and light sensing system
JP5312186B2 (ja) * 2009-05-08 2013-10-09 キヤノン株式会社 原稿読取装置
DE102009024943A1 (de) 2009-06-10 2010-12-16 W.O.M. World Of Medicine Ag Bildgebungssystem und Verfahren zur fluoreszenz-optischen Visualisierung eines Objekts
US8647373B1 (en) * 2010-02-11 2014-02-11 James G. Shepherd Phototherapy methods using fluorescent UV light
JP5715385B2 (ja) * 2010-11-19 2015-05-07 キヤノン株式会社 情報生成装置、情報生成方法、画像処理装置、画像処理方法
JP5715386B2 (ja) 2010-11-19 2015-05-07 キヤノン株式会社 画像処理装置及びその制御方法、並びにプログラム及び記憶媒体
JP2012164214A (ja) * 2011-02-08 2012-08-30 Fuji Xerox Co Ltd 記録媒体
WO2018081613A1 (en) 2016-10-28 2018-05-03 Ppg Industries Ohio, Inc. Coatings for increasing near-infrared detection distances
JP7259748B2 (ja) * 2017-07-24 2023-04-18 住友金属鉱山株式会社 赤外線吸収微粒子分散粉、赤外線吸収微粒子分散粉含有分散液、赤外線吸収微粒子分散粉含有インク、および偽造防止インク、並びに偽造防止用印刷物
CN109300220B (zh) * 2018-08-29 2021-12-10 广州广电运通金融电子股份有限公司 基于安全线的纸张鉴伪方法、装置、设备及可读存储介质
US11461607B2 (en) 2018-11-13 2022-10-04 Ppg Industries Ohio, Inc. Method of detecting a concealed pattern
JP7452268B2 (ja) * 2020-06-08 2024-03-19 株式会社リコー 位置検出装置、画像形成装置および位置検出方法

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25136A (en) * 1859-08-16 Caesar neumann
US2221776A (en) * 1938-09-08 1940-11-19 Chester F Carlson Electron photography
US2297691A (en) * 1939-04-04 1942-10-06 Chester F Carlson Electrophotography
US2618552A (en) * 1947-07-18 1952-11-18 Battelle Development Corp Development of electrophotographic images
IT453731A (de) * 1948-05-01
US2618551A (en) * 1948-10-20 1952-11-18 Haloid Co Developer for electrostatic images
US2576047A (en) * 1948-10-21 1951-11-20 Battelle Development Corp Method and apparatus for printing electrically
US2638146A (en) * 1949-01-07 1953-05-12 Glas Kraft Inc Reinforced paper and method and apparatus for the manufacture thereof
US2626865A (en) * 1951-05-08 1953-01-27 Haloid Co Portable electrophotographic powder-image transfer mechanism
US2776907A (en) * 1952-07-18 1957-01-08 Battelle Development Corp Method of fixing electrostatic powder image
US2874063A (en) * 1953-03-23 1959-02-17 Rca Corp Electrostatic printing
USRE25136E (en) * 1953-06-22 1962-03-13 Electrostatic developer composition
US2788288A (en) * 1953-07-29 1957-04-09 Haloid Co Process and composition for developing an electrostatic image
US2803542A (en) * 1955-07-26 1957-08-20 Haloid Co Xerographic plate
US2970906A (en) * 1955-08-05 1961-02-07 Haloid Xerox Inc Xerographic plate and a process of copy-making
US2962374A (en) * 1956-05-01 1960-11-29 Haloid Xerox Inc Color xerography
US3121007A (en) * 1958-02-12 1964-02-11 Xerox Corp Photo-active member for xerography
US3166432A (en) * 1959-05-07 1965-01-19 Xerox Corp Image development
US3186838A (en) * 1960-12-27 1965-06-01 Xerox Corp Xerographic plate cleaning method utilizing the relative movement of a cleaning web
BE630478A (de) * 1962-04-02
US4238524A (en) * 1978-03-06 1980-12-09 American Optical Corporation Process for identification marking clear plastic articles
JPS59180680A (ja) * 1983-03-31 1984-10-13 Toshiba Corp 発光物質検出装置
JPS608880A (ja) * 1983-06-29 1985-01-17 Fuji Xerox Co Ltd 機密文書複写防止装置
US4745267A (en) * 1983-12-28 1988-05-17 Fairview Partners Fraudulent card intercept system
FR2585987B1 (fr) * 1985-08-08 1989-02-03 Petrel Sarl Procede de marquage de securite, matieres pourvues de marques de securite
US4869532A (en) * 1986-10-07 1989-09-26 Dainichiseika Color & Chemicals Mfg. Co., Ltd. Prints and production method thereof
JPH0196920A (ja) * 1987-10-09 1989-04-14 Fujitsu Ltd ウエーハの識別方法
FR2650825B1 (fr) * 1989-08-11 1991-12-06 Isochem Sa Nouvelle pyranone, procede pour sa preparation, son application a la preparation d'une nouvelle pyridinone et son procede de preparation
JPH03172857A (ja) * 1989-12-01 1991-07-26 Mitsui Toatsu Chem Inc ブラック色トナー組成物
US5073700A (en) * 1990-01-10 1991-12-17 Gtech Corporation Mark sense detector with variable threshold
US5210411A (en) * 1990-06-29 1993-05-11 Hitachi Maxell, Ltd. Detection mark and method and apparatus for detecting mark
US5093147A (en) * 1990-09-12 1992-03-03 Battelle Memorial Institute Providing intelligible markings
JPH04122012A (ja) * 1990-09-12 1992-04-22 Mitsubishi Electric Corp アライメントマークおよびその形成方法
US5225900A (en) * 1990-12-31 1993-07-06 Xerox Corporation Method of storing information within a reproduction system
US5318943A (en) * 1991-05-27 1994-06-07 Dai Nippon Printing Co., Ltd. Thermal transfer image receiving sheet
EP0542286B1 (de) * 1991-11-14 1996-07-17 Showa Denko Kabushikikaisha Entfärbbarer Toner
US5289547A (en) * 1991-12-06 1994-02-22 Ppg Industries, Inc. Authenticating method
JP3391825B2 (ja) * 1992-10-26 2003-03-31 キヤノン株式会社 非可視化情報記録媒体及び検出装置
JPH06164914A (ja) * 1992-11-20 1994-06-10 Toppan Printing Co Ltd 複写防止方法及び複写機

Also Published As

Publication number Publication date
ATE283172T1 (de) 2004-12-15
AU5386294A (en) 1994-07-28
EP0608118A3 (de) 1994-12-14
AU674360B2 (en) 1996-12-19
JPH06210987A (ja) 1994-08-02
EP0608118A2 (de) 1994-07-27
EP0608118B1 (de) 2004-11-24
US6153879A (en) 2000-11-28
US5503904A (en) 1996-04-02

Similar Documents

Publication Publication Date Title
DE69434146D1 (de) Gerät und Verfahren zur Ermittlung von unsichtbarer Information
DE68920170D1 (de) Verfahren und Einrichtung zur Aufzeichnung und Wiedergabe von Bildinformation.
DE69027103T2 (de) Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf
DE69705343D1 (de) Vorrichtung und Verfahren zur optischen Aufzeichnung und Wiedergabe von Information
DE68911722T2 (de) Gerät zur optischen Aufnahme und Wiedergabe von Information.
DE69719846D1 (de) Aufzeichnungsträger, Vorrichtung zur optischen Wiedergabe von Information sowie Suchmethode
DE69524008D1 (de) Vorrichtung zur optischen Aufzeichnung von Information
DE69322601T2 (de) Gerät zur optischen Aufzeichnung und Wiedergabe von Informationen
DE69320841T2 (de) Gerät zur Aufzeichnung und Wiedergabe von optischen Informationen
DE69420484T2 (de) Gerät zur magnetischen Aufzeichnung und Wiedergabe mit Aufzeichnung und Wiedergabe von übertragenen Charaktersignalen
DE69432980D1 (de) Informationsaufzeichnungsmethode und -gerät
DE69128756T2 (de) Vorrichtung zur Aufnahme und Wiedergabe von Information
DE69324860D1 (de) Gerät zur Wiedergabe von optischen Informationen
DE69430891D1 (de) Vorrichtung zur informationsaufnahme und -übertragung.
DE69416924D1 (de) Verfahren und Gerät zur Aufzeichnung/Wiedergabe von optischen Informationen
DE3772842D1 (de) Geraet zur optischen aufzeichnung und wiedergabe von informationen.
DE69419856D1 (de) System zur optischen Aufzeichnung und Wiedergabe von Information
DE69127730D1 (de) Gerät zur Aufzeichnungs-Wiedergabe von optischen Informationen
DE59508265D1 (de) Vorrichtung zur berührungslosen optischen Abtastung von Informationen bei der Aufzeichnung und/oder Wiedergabe von einem Aufzeichnungsträger mit Aufzeichnungsspuren
DE69115972D1 (de) Gerät zur Aufnahme und Wiedergabe von Information
DE69013695D1 (de) Verfahren zur Aufnahme und Wiedergabe von Information.
DE69229304D1 (de) Gerät zur Aufzeichnung/Wiedergabe von optischem Information- und Aufzeichnungsmedium
WO1992017287A3 (en) Device to uniquely recognize travelling containers
DE69430549T2 (de) Vorrichtung zur optischen Aufzeichnung und Wiedergabe von Informationen
BR9812641A (pt) Processo para a recepção e para o armazenamento de dados opticamente detectáveis

Legal Events

Date Code Title Description
8332 No legal effect for de