DE69713414D1 - Bildcharaktererkennungsverfahren - Google Patents

Bildcharaktererkennungsverfahren

Info

Publication number
DE69713414D1
DE69713414D1 DE69713414T DE69713414T DE69713414D1 DE 69713414 D1 DE69713414 D1 DE 69713414D1 DE 69713414 T DE69713414 T DE 69713414T DE 69713414 T DE69713414 T DE 69713414T DE 69713414 D1 DE69713414 D1 DE 69713414D1
Authority
DE
Germany
Prior art keywords
character recognition
recognition process
image character
image
recognition
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 - Fee Related
Application number
DE69713414T
Other languages
English (en)
Other versions
DE69713414T2 (de
Inventor
Ronald F Ziolo
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69713414D1 publication Critical patent/DE69713414D1/de
Publication of DE69713414T2 publication Critical patent/DE69713414T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G06V30/2253—Recognition of characters printed with magnetic ink
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0833—Oxides
    • 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
    • G06K19/06187—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 with magnetically detectable marking
    • G06K19/06196—Constructional details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/0013—Machine control, e.g. regulating different parts of the machine for producing copies with MICR

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Soft Magnetic Materials (AREA)
  • Developing Agents For Electrophotography (AREA)
DE69713414T 1996-02-14 1997-02-06 Bildcharaktererkennungsverfahren Expired - Fee Related DE69713414T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/600,642 US5667924A (en) 1996-02-14 1996-02-14 Superparamagnetic image character recognition compositions and processes of making and using

Publications (2)

Publication Number Publication Date
DE69713414D1 true DE69713414D1 (de) 2002-07-25
DE69713414T2 DE69713414T2 (de) 2002-10-17

Family

ID=24404464

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713414T Expired - Fee Related DE69713414T2 (de) 1996-02-14 1997-02-06 Bildcharaktererkennungsverfahren

Country Status (5)

Country Link
US (1) US5667924A (de)
EP (1) EP0791864B1 (de)
JP (1) JPH09230743A (de)
BR (1) BR9700955A (de)
DE (1) DE69713414T2 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3636535B2 (ja) * 1996-03-14 2005-04-06 コニカミノルタビジネステクノロジーズ株式会社 現像方法
WO1999052648A1 (en) * 1998-04-14 1999-10-21 Bechtel Bwxt Idaho, Llc Methods and computer executable instructions for marking a downhole elongate line and detecting same
WO2000070408A1 (en) * 1999-05-17 2000-11-23 Flint Ink Corporation Liquid magnetic image character recognition developer
WO2000079346A1 (en) * 1999-06-17 2000-12-28 Bradford Jay Levy Fragrance-bearing toner
US7197174B1 (en) 1999-09-15 2007-03-27 Intel Corporation Magnetic ink encoding pen
AU1090901A (en) * 1999-10-14 2001-04-23 Meridian Chemical Technologies, Inc. Method for authentication of an item
US6440213B1 (en) * 1999-10-28 2002-08-27 The Regents Of The University Of California Process for making surfactant capped nanocrystals
AU3438801A (en) * 1999-11-09 2001-05-30 Spectra Science Corporation Authentication and coding by size, shape, and fluorescence
US6440252B1 (en) 1999-12-17 2002-08-27 Xerox Corporation Method for rotatable element assembly
US6545671B1 (en) 2000-03-02 2003-04-08 Xerox Corporation Rotating element sheet material with reversible highlighting
US6498674B1 (en) 2000-04-14 2002-12-24 Xerox Corporation Rotating element sheet material with generalized containment structure
US6504525B1 (en) 2000-05-03 2003-01-07 Xerox Corporation Rotating element sheet material with microstructured substrate and method of use
ES2218426T3 (es) * 2000-06-20 2004-11-16 Commissariat A L'energie Atomique Dispositivo de deteccion de papel marcado y papel marcado detectable por el dispositivo.
US6464147B1 (en) * 2000-10-20 2002-10-15 Unisys Corporation Dual gap read head for magnetic ink character recognition
WO2004011700A1 (en) * 2000-10-30 2004-02-05 The Regents Of The University Of California A process for making surfactant capped metal oxide nanocrystals, and products produced by the process
US6690350B2 (en) 2001-01-11 2004-02-10 Xerox Corporation Rotating element sheet material with dual vector field addressing
GB2381704B (en) * 2001-09-14 2004-06-30 Roke Manor Research A tag and tagging system
US6506972B1 (en) * 2002-01-22 2003-01-14 Nanoset, Llc Magnetically shielded conductor
US6768053B1 (en) * 2002-01-09 2004-07-27 Nanoset, Llc Optical fiber assembly
US20040225213A1 (en) 2002-01-22 2004-11-11 Xingwu Wang Magnetic resonance imaging coated assembly
US6846985B2 (en) 2002-01-22 2005-01-25 Nanoset, Llc Magnetically shielded assembly
US20050247472A1 (en) * 2002-01-22 2005-11-10 Helfer Jeffrey L Magnetically shielded conductor
US6844492B1 (en) 2002-01-22 2005-01-18 Nanoset, Llc Magnetically shielded conductor
US20050178584A1 (en) * 2002-01-22 2005-08-18 Xingwu Wang Coated stent and MR imaging thereof
JP2005128771A (ja) * 2003-10-23 2005-05-19 Fujitsu Ltd データファイルシステム、データアクセスサーバ、およびデータアクセスプログラム
US7795041B2 (en) * 2004-02-11 2010-09-14 Massachusetts Institute Of Technology Multi-polymer-coated magnetic nanoclusters
US20060140867A1 (en) * 2004-12-28 2006-06-29 Helfer Jeffrey L Coated stent assembly and coating materials
US7748748B2 (en) * 2005-04-12 2010-07-06 International Business Machines Corporation Method and system for generating and authenticating documents having stored electrostatic pattern information
JP2009509710A (ja) * 2005-10-04 2009-03-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ パーソナルケア装置に対する磁気で作用する摩耗インジケータ
US8137879B2 (en) * 2008-06-26 2012-03-20 Xerox Corporation Ferromagnetic nanoparticles with high magnetocrystalline anisotropy for MICR toner applications
JP4376299B1 (ja) * 2009-05-29 2009-12-02 アダルシュ サンドゥー 潜像形成・表示方法
US8872615B2 (en) * 2010-05-28 2014-10-28 Institute Of Geological And Nuclear Sciences Limited Magnetic nanoclusters
US8360546B2 (en) 2010-12-22 2013-01-29 Xerox Corporation Phase change magnetic ink and process for preparing same
US8544999B2 (en) 2010-12-22 2013-10-01 Xerox Corporation Phase change magnetic ink and process for preparing same
US8702217B2 (en) 2011-03-17 2014-04-22 Xerox Corporation Phase change magnetic ink comprising polymer coated magnetic nanoparticles and process for preparing same
US8657431B2 (en) 2011-03-17 2014-02-25 Xerox Corporation Phase change magnetic ink comprising carbon coated magnetic nanoparticles and process for preparing same
US8646896B2 (en) 2011-03-17 2014-02-11 Xerox Corporation Phase change magnetic ink comprising surfactant coated magnetic nanoparticles and process for preparing same
BR102015001022B1 (pt) * 2015-01-16 2022-07-12 Nanum Nanotecnologia S/A Tinta magnética aquosa para impressão micr em impressoras jatos de tinta a partir de dispersões funcionalizadas de nano ferritas magnéticas
CN208888915U (zh) * 2017-09-07 2019-05-21 东芝泰格有限公司 磁性墨水读取装置以及打印机

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1105759A (en) * 1976-05-03 1981-07-28 Theodore Davidson Method for forming a spray dried toner of superparamagnetic particles dispersed in polymer
US4238558A (en) 1979-12-26 1980-12-09 Xerox Corporation Low density magnetic polymer carrier materials produced by metal carbonyl thermal decomposition
US4517268A (en) * 1983-09-12 1985-05-14 Xerox Corporation Process for magnetic image character recognition
US4474866A (en) 1983-09-28 1984-10-02 Xerox Corporation Developer composition containing superparamagnetic polymers
US4723149A (en) * 1985-05-08 1988-02-02 Kabushiki Kaisha Toshiba Image forming apparatus having a function for checking to copy a secret document
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
FR2606689B1 (fr) * 1986-11-13 1989-06-02 Daussan & Co Bouchon de retenue des scories et procede pour sa mise en oeuvre et sa fabrication
EP0276814A3 (en) * 1987-01-27 1990-11-07 Rand Mcnally & Company Object verification system and method
EP0529745B1 (de) * 1988-05-13 1996-10-30 Canon Kabushiki Kaisha Gerät zur Bildherstellung
EP0427199A3 (en) * 1989-11-08 1991-06-05 Eastman Kodak Company Two-component magnetic developer for magnetic image character recognition
US5124217A (en) * 1990-06-27 1992-06-23 Xerox Corporation Magnetic image character recognition processes
US5140368A (en) * 1990-07-16 1992-08-18 Xerox Corporation Character printing and recognition system
US5362417A (en) 1992-07-09 1994-11-08 Xerox Corporation Method of preparing a stable colloid of submicron particles
US5567564A (en) * 1992-07-09 1996-10-22 Xerox Corporation Liquid development composition having a colorant comprising a stable dispersion of magnetic particles in an aqueous medium
US5358659A (en) 1992-07-09 1994-10-25 Xerox Corporation Magnetic materials with single-domain and multidomain crystallites and a method of preparation
US6048920A (en) * 1994-08-15 2000-04-11 Xerox Corporation Magnetic nanocomposite compositions and processes for the preparation and use thereof

Also Published As

Publication number Publication date
EP0791864A1 (de) 1997-08-27
US5667924A (en) 1997-09-16
DE69713414T2 (de) 2002-10-17
BR9700955A (pt) 1998-09-01
EP0791864B1 (de) 2002-06-19
JPH09230743A (ja) 1997-09-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee