DE69015238T2 - Reliefbildabtaster. - Google Patents

Reliefbildabtaster.

Info

Publication number
DE69015238T2
DE69015238T2 DE69015238T DE69015238T DE69015238T2 DE 69015238 T2 DE69015238 T2 DE 69015238T2 DE 69015238 T DE69015238 T DE 69015238T DE 69015238 T DE69015238 T DE 69015238T DE 69015238 T2 DE69015238 T2 DE 69015238T2
Authority
DE
Germany
Prior art keywords
image scanner
relief image
relief
scanner
image
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
DE69015238T
Other languages
English (en)
Other versions
DE69015238D1 (de
Inventor
Naohiro Watanabe
Takehito Sekiguchi
Tohru Kitagawa
Shunji Sakai
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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
Priority claimed from JP1092373A external-priority patent/JPH0816919B2/ja
Priority claimed from JP1181910A external-priority patent/JPH0346079A/ja
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69015238D1 publication Critical patent/DE69015238D1/de
Application granted granted Critical
Publication of DE69015238T2 publication Critical patent/DE69015238T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404—Methods for optical code recognition
    • G06K7/146—Methods for optical code recognition the method including quality enhancement steps
    • G06K7/1465—Methods for optical code recognition the method including quality enhancement steps using several successive scans of the optical code
    • 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
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/147—Details of sensors, e.g. sensor lenses
DE69015238T 1989-04-12 1990-04-10 Reliefbildabtaster. Expired - Lifetime DE69015238T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1092373A JPH0816919B2 (ja) 1989-04-12 1989-04-12 凹凸パターン読取装置
JP1181910A JPH0346079A (ja) 1989-07-13 1989-07-13 イメージ情報読取装置

Publications (2)

Publication Number Publication Date
DE69015238D1 DE69015238D1 (de) 1995-02-02
DE69015238T2 true DE69015238T2 (de) 1995-05-04

Family

ID=26433809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69015238T Expired - Lifetime DE69015238T2 (de) 1989-04-12 1990-04-10 Reliefbildabtaster.

Country Status (3)

Country Link
US (1) US5050231A (de)
EP (1) EP0392460B1 (de)
DE (1) DE69015238T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5299268A (en) * 1991-11-27 1994-03-29 At&T Bell Laboratories Method for detecting the locations of light-reflective metallization on a substrate
US5428210A (en) * 1992-01-10 1995-06-27 National Bancard Corporation Data card terminal with embossed character reader and signature capture
JP2910534B2 (ja) * 1993-11-18 1999-06-23 ノーリツ鋼機株式会社 写真フィルム用コード情報読取装置
US5771107A (en) * 1995-01-11 1998-06-23 Mita Industrial Co., Ltd. Image processor with image edge emphasizing capability
US7028899B2 (en) * 1999-06-07 2006-04-18 Metrologic Instruments, Inc. Method of speckle-noise pattern reduction and apparatus therefore based on reducing the temporal-coherence of the planar laser illumination beam before it illuminates the target object by applying temporal phase modulation techniques during the transmission of the plib towards the target
US6628808B1 (en) 1999-07-28 2003-09-30 Datacard Corporation Apparatus and method for verifying a scanned image
AU2003223406A1 (en) * 2002-07-08 2004-01-23 Veritec, Inc. Method for reading a symbol having encoded information
TW200407030A (en) * 2002-10-30 2004-05-01 Umax Data Systems Inc Image compensation method
EP1439517A1 (de) * 2003-01-10 2004-07-21 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Verarbeitung von auf einem Bildschirm dargestellten Videodaten
SE527720C2 (sv) * 2003-12-17 2006-05-23 Straalfors Ab Kontrollförfarande och kontrollanordning vid framställning av kort
US7593591B2 (en) * 2005-08-05 2009-09-22 Seiko Epson Corporation Method and apparatus for increasing contrast in a digital image
US20070108288A1 (en) * 2005-11-16 2007-05-17 Caskey Gregory T Method and apparatus for novel reading of surface structure bar codes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619569A (en) * 1970-07-15 1971-11-09 Rca Corp Optical card-reading apparatus
NL7017662A (de) * 1970-12-03 1972-06-06
CH537121A (de) * 1971-03-24 1973-05-15 Zellweger Uster Ag Verfahren und Vorrichtung zur Umwandlung eines analogen Signals in ein binäres Signal und Anwendung des Verfahrens
US3774015A (en) * 1971-05-18 1973-11-20 Amp Inc Optical reader for an embossed card
FR2470999A1 (fr) * 1979-11-28 1981-06-12 Despres Robert Dispositif pour la lecture d'informations mises en memoire sur un support
JPS60144884A (ja) * 1983-12-31 1985-07-31 Nippon Steel Corp 打刻印字の検出方法
US4628195A (en) * 1984-03-09 1986-12-09 American Magnetics Corporation Credit card security system
DE3630202A1 (de) * 1986-09-04 1988-03-10 Karl F Zimmer Kg Elektro-optische abtasteinrichtung fuer einen strichcode, bei welchem die striche als erhabene stege ausgebildet sind
US4845770A (en) * 1986-11-20 1989-07-04 Oki Electric Industry Co., Ltd. Method and apparatus for processing embossed card
US4878125A (en) * 1987-01-08 1989-10-31 Canon Kabushiki Kaisha Method and apparatus for image processing with fed-back error correction

Also Published As

Publication number Publication date
EP0392460B1 (de) 1994-12-21
EP0392460A3 (de) 1992-05-20
DE69015238D1 (de) 1995-02-02
US5050231A (en) 1991-09-17
EP0392460A2 (de) 1990-10-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PUSCHMANN & BORCHERT, 82041 OBERHACHING