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DE69321703D1 - Tragbarer Strichmarkierungsleser mit erweiterter Schärfentiefe - Google Patents

Tragbarer Strichmarkierungsleser mit erweiterter Schärfentiefe

Info

Publication number
DE69321703D1
DE69321703D1 DE69321703T DE69321703T DE69321703D1 DE 69321703 D1 DE69321703 D1 DE 69321703D1 DE 69321703 T DE69321703 T DE 69321703T DE 69321703 T DE69321703 T DE 69321703T DE 69321703 D1 DE69321703 D1 DE 69321703D1
Authority
DE
Germany
Prior art keywords
field
extended depth
line marker
marker reader
portable line
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
DE69321703T
Other languages
English (en)
Other versions
DE69321703T2 (de
Inventor
Jean-Louis Massieu
Jean-Michel Puech
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.)
Intermec Scanner Technology Center SAS
Original Assignee
Intermec Scanner Technology Center SAS
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 Intermec Scanner Technology Center SAS filed Critical Intermec Scanner Technology Center SAS
Publication of DE69321703D1 publication Critical patent/DE69321703D1/de
Application granted granted Critical
Publication of DE69321703T2 publication Critical patent/DE69321703T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06K7/10881—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 constructional details of hand-held scanners

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Image Input (AREA)
  • Microscoopes, Condenser (AREA)
DE69321703T 1993-01-11 1993-12-30 Tragbarer Strichmarkierungsleser mit erweiterter Schärfentiefe Expired - Fee Related DE69321703T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9300159A FR2700404B1 (fr) 1993-01-11 1993-01-11 Lecteur de vignettes de codes à barres, du type dit "à main" à profondeur de champ accrue.

Publications (2)

Publication Number Publication Date
DE69321703D1 true DE69321703D1 (de) 1998-11-26
DE69321703T2 DE69321703T2 (de) 1999-03-18

Family

ID=9442922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69321703T Expired - Fee Related DE69321703T2 (de) 1993-01-11 1993-12-30 Tragbarer Strichmarkierungsleser mit erweiterter Schärfentiefe

Country Status (4)

Country Link
US (1) US5397885A (de)
EP (1) EP0610640B1 (de)
DE (1) DE69321703T2 (de)
FR (1) FR2700404B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5623137A (en) * 1993-08-20 1997-04-22 Welch Allyn, Inc. Illumination apparatus for optical readers
US5750974A (en) * 1995-04-13 1998-05-12 Keyence Corporation Lighting apparatus having light emitting diodes arranged in a plurality of planes on a printed circuit board
US5949054A (en) * 1995-10-23 1999-09-07 Welch Allyn, Inc. Bar code reader for reading high to low contrast bar code symbols
US5798516A (en) * 1996-05-28 1998-08-25 Accu-Sort Systems, Inc. Focusing mechanism for hand-held CCD scanners
EP0978084A1 (de) 1997-04-21 2000-02-09 Intermec Scanner Technology Center S.A. Optoelektronisches bilderfassungsgerät, insbesondere für strichkodes
US5979760A (en) * 1997-06-27 1999-11-09 Accu-Sort Systems, Inc. Scanner with linear actuator based lens positioning system
ATE211830T1 (de) 1998-10-30 2002-01-15 Datalogic Spa Optisches gerät und verfahren zum anvisieren und visuellen anzeigen eines auslesebereichs
US7025271B2 (en) * 2002-12-18 2006-04-11 Symbol Technologies, Inc. Imaging optical code reader having selectable depths of field
JP4083593B2 (ja) * 2003-02-13 2008-04-30 株式会社小糸製作所 車両用前照灯

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743773A (en) * 1984-08-23 1988-05-10 Nippon Electric Industry Co., Ltd. Bar code scanner with diffusion filter and plural linear light source arrays
US4742220A (en) * 1984-09-20 1988-05-03 Skan-A-Matic Corp. System for optical scanning over a large depth of field and obtaining high resolution of bar codes
US4675531A (en) * 1985-03-28 1987-06-23 Polaroid Corporation Optical scanner having a multi-surfaced lens arrangement for producing a rotationally symmetric beam
JP2608893B2 (ja) * 1987-07-10 1997-05-14 松下電器産業株式会社 光学的パターン検出装置
US5280161A (en) * 1988-11-18 1994-01-18 West Electric Company, Ltd. Apparatus for optically reading a bar code
US5166820A (en) * 1990-03-13 1992-11-24 Citizen Watch Co., Ltd. Light beam scanning apparatus
FR2673738A1 (fr) * 1991-03-05 1992-09-11 Digital Vision Dispositif optoelectronique d'acquisition d'images lineaires, notamment de codes a barres.

Also Published As

Publication number Publication date
US5397885A (en) 1995-03-14
EP0610640A1 (de) 1994-08-17
FR2700404A1 (fr) 1994-07-13
EP0610640B1 (de) 1998-10-21
FR2700404B1 (fr) 1995-03-31
DE69321703T2 (de) 1999-03-18

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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