DE60042242D1 - Verfahren und Vorrichtung zur Fokussierung eines elektrischen Signals, welches einen optischen Kode repräsentiert - Google Patents

Verfahren und Vorrichtung zur Fokussierung eines elektrischen Signals, welches einen optischen Kode repräsentiert

Info

Publication number
DE60042242D1
DE60042242D1 DE60042242T DE60042242T DE60042242D1 DE 60042242 D1 DE60042242 D1 DE 60042242D1 DE 60042242 T DE60042242 T DE 60042242T DE 60042242 T DE60042242 T DE 60042242T DE 60042242 D1 DE60042242 D1 DE 60042242D1
Authority
DE
Germany
Prior art keywords
focusing
electrical signal
optical code
image
signal representing
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
DE60042242T
Other languages
English (en)
Inventor
Paolo Marchi
Marco Piva
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.)
Datalogic SpA
Original Assignee
Datalogic SpA
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8175599&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60042242(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Datalogic SpA filed Critical Datalogic SpA
Application granted granted Critical
Publication of DE60042242D1 publication Critical patent/DE60042242D1/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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
DE60042242T 2000-12-21 2000-12-21 Verfahren und Vorrichtung zur Fokussierung eines elektrischen Signals, welches einen optischen Kode repräsentiert Expired - Lifetime DE60042242D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00830837.1A EP1217571B2 (de) 2000-12-21 2000-12-21 Verfahren und Vorrichtung zur Fokussierung eines elektrischen Signals, welches einen optischen Kode repräsentiert

Publications (1)

Publication Number Publication Date
DE60042242D1 true DE60042242D1 (de) 2009-07-02

Family

ID=8175599

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60042242T Expired - Lifetime DE60042242D1 (de) 2000-12-21 2000-12-21 Verfahren und Vorrichtung zur Fokussierung eines elektrischen Signals, welches einen optischen Kode repräsentiert

Country Status (4)

Country Link
US (1) US6443360B1 (de)
EP (1) EP1217571B2 (de)
AT (1) ATE431950T1 (de)
DE (1) DE60042242D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7203361B1 (en) 2001-03-16 2007-04-10 Hand Held Products, Inc. Adaptive digitizer for optical reader
US7216811B2 (en) 2004-04-16 2007-05-15 Microscan Systems Incorporated Barcode scanner with linear automatic gain control (AGC), modulation transfer function detector, and selectable noise filter
US7204423B2 (en) * 2005-02-25 2007-04-17 Symbol Technologies, Inc. Bar code signal processing
US7514702B2 (en) * 2007-01-31 2009-04-07 Symbol Technologies, Inc. Compact scan engine
US7852519B2 (en) 2007-02-05 2010-12-14 Hand Held Products, Inc. Dual-tasking decoder for improved symbol reading
US8628015B2 (en) 2008-10-31 2014-01-14 Hand Held Products, Inc. Indicia reading terminal including frame quality evaluation processing
JP2010125118A (ja) * 2008-11-28 2010-06-10 Toshiba Corp 超音波診断装置及び超音波診断装置制御方法
US8587595B2 (en) 2009-10-01 2013-11-19 Hand Held Products, Inc. Low power multi-core decoder system and method
US8121618B2 (en) 2009-10-28 2012-02-21 Digimarc Corporation Intuitive computing methods and systems

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320486A (en) * 1980-01-11 1982-03-16 Advanced Integrated Design, Incorporated Transferring information signals from a first to a second recording medium
US5016250A (en) * 1989-10-18 1991-05-14 The United States Of America As Represented By The United States Department Of Energy X-ray lasers and methods utilizing two component driving illumination provided by optical laser means of relatively low energy and small physical size
US5140146A (en) † 1989-11-20 1992-08-18 Symbol Technologies, Inc. Bar code symbol reader with modulation enhancement
JP2954328B2 (ja) * 1990-06-27 1999-09-27 株式会社日立製作所 映像信号の記録再生装置
US5756981A (en) * 1992-02-27 1998-05-26 Symbol Technologies, Inc. Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means
JPH07107970B2 (ja) * 1992-04-10 1995-11-15 松下電器産業株式会社 時間軸反転型直線位相フィルタ
US5463211A (en) * 1993-05-07 1995-10-31 Spectra-Physics Scanning Systems, Inc. Method and apparatus for detecting transitions in a time sampled input signal
US6047894A (en) * 1993-05-07 2000-04-11 Spectra-Physics Scanning Systems, Inc. Signal conditioning for variable focus optical reader
DE4337718C1 (de) † 1993-11-05 1995-04-06 Leuze Electronic Gmbh & Co Verfahren zur Kompensation bauteilbedingter Signalverzerrungen für eine optoelektronische Vorrichtung und optoelektronische Vorrichtung zum Erkennen von insbesondere Barcode-Symbolen
US5675136A (en) † 1994-03-30 1997-10-07 Leuze Electronic Gmbh + Co. Optoelectric device for the recognition of contrast marks
DE4414449C2 (de) † 1994-04-26 1996-03-14 Leuze Electronic Gmbh & Co Optoelektronische Vorrichtung zum Erkennen von Kontrastmarken
JP3683943B2 (ja) * 1994-08-15 2005-08-17 株式会社東芝 超音波診断装置
JP3399684B2 (ja) * 1995-03-06 2003-04-21 富士写真フイルム株式会社 画像処理方法および装置
US6012640A (en) * 1997-07-08 2000-01-11 Intermec Ip Corporation Rule based and fuzzy logic method and apparatus for processing reflectance signals from machine-readable symbols or images

Also Published As

Publication number Publication date
EP1217571B1 (de) 2009-05-20
US20020113126A1 (en) 2002-08-22
ATE431950T1 (de) 2009-06-15
EP1217571B2 (de) 2014-03-12
EP1217571A1 (de) 2002-06-26
US6443360B1 (en) 2002-09-03

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