ATE376221T1 - Elektro-optische abtastvorrichtung mit einstückigem oszillierenden fokussier-/lesekopf - Google Patents

Elektro-optische abtastvorrichtung mit einstückigem oszillierenden fokussier-/lesekopf

Info

Publication number
ATE376221T1
ATE376221T1 AT01120999T AT01120999T ATE376221T1 AT E376221 T1 ATE376221 T1 AT E376221T1 AT 01120999 T AT01120999 T AT 01120999T AT 01120999 T AT01120999 T AT 01120999T AT E376221 T1 ATE376221 T1 AT E376221T1
Authority
AT
Austria
Prior art keywords
electro
scanning device
optical scanning
reading head
focusing
Prior art date
Application number
AT01120999T
Other languages
English (en)
Inventor
Paul Dvorkis
Edward Barkan
Yajun Li
Original Assignee
Symbol Technologies 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 Symbol Technologies Inc filed Critical Symbol Technologies Inc
Application granted granted Critical
Publication of ATE376221T1 publication Critical patent/ATE376221T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10564—Light sources
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10564—Light sources
    • G06K7/10584—Source control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10633—Basic scanning using moving elements by oscillation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10633—Basic scanning using moving elements by oscillation
    • G06K7/10643—Activating means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10633—Basic scanning using moving elements by oscillation
    • G06K7/10643—Activating means
    • G06K7/10653—Activating means using flexible or piezoelectric means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10603—Basic scanning using moving elements
    • G06K7/10673—Parallel lines
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10554—Moving beam scanning
    • G06K7/10594—Beam path
    • G06K7/10683—Arrangement of fixed elements
    • G06K7/10693—Arrangement of fixed elements for omnidirectional scanning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10792—Special measures in relation to the object to be scanned
    • G06K7/10801—Multidistance reading
    • G06K7/10811—Focalisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06K7/10861—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 sensing of data fields affixed to objects or articles, e.g. coded labels
    • G06K7/10871—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 sensing of data fields affixed to objects or articles, e.g. coded labels randomly oriented data-fields, code-marks therefore, e.g. concentric circles-code
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10891—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 the scanner to be worn on a finger or on a wrist
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/109—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 adaptations to make the hand-held scanner useable as a fixed scanner
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/1098—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 the scanning arrangement having a modular construction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/1478—Methods for optical code recognition the method including quality enhancement steps adapting the threshold for pixels in a CMOS or CCD pixel sensor for black and white recognition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K2007/10524—Hand-held scanners
    • G06K2007/10534—Scanner to be worn on a finger or on a wrist
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1011—Aiming
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1013—Multi-focal
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1016—Motor control or optical moving unit control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00—Other aspects
    • G06K2207/1018—Source control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Optical Recording Or Reproduction (AREA)
AT01120999T 2000-08-31 2001-08-31 Elektro-optische abtastvorrichtung mit einstückigem oszillierenden fokussier-/lesekopf ATE376221T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/724,745 US6575370B1 (en) 1990-05-08 2000-08-31 Electro-optical scanning assembly with one-piece, oscillatable, focusing/scan element

Publications (1)

Publication Number Publication Date
ATE376221T1 true ATE376221T1 (de) 2007-11-15

Family

ID=24911732

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01120999T ATE376221T1 (de) 2000-08-31 2001-08-31 Elektro-optische abtastvorrichtung mit einstückigem oszillierenden fokussier-/lesekopf

Country Status (7)

Country Link
US (1) US6575370B1 (de)
EP (1) EP1184803B1 (de)
JP (1) JP4763178B2 (de)
CN (1) CN1220093C (de)
AT (1) ATE376221T1 (de)
AU (1) AU779933B2 (de)
DE (1) DE60130950T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7086596B2 (en) 2003-01-09 2006-08-08 Hand Held Products, Inc. Decoder board for an optical reader utilizing a plurality of imaging formats
US8002183B2 (en) * 2005-10-20 2011-08-23 Metrologic Instruments, Inc. Scanner flipper integrity indicator
US7614561B2 (en) * 2005-12-16 2009-11-10 Metrologic Instruments, Inc. Scanner flipper oscillation frequency detection and adjustment thereof
US8390909B2 (en) 2009-09-23 2013-03-05 Metrologic Instruments, Inc. Molded elastomeric flexural elements for use in a laser scanning assemblies and scanners, and methods of manufacturing, tuning and adjusting the same
US8294969B2 (en) * 2009-09-23 2012-10-23 Metrologic Instruments, Inc. Scan element for use in scanning light and method of making the same
US8059324B2 (en) * 2009-09-23 2011-11-15 Metrologic Instruments, Inc. Scan element for use in scanning light and method of making the same
US8393541B2 (en) * 2010-06-07 2013-03-12 Key Control Holding, Inc. Custom scanning device and automated car auction facility management
US8915439B2 (en) 2012-02-06 2014-12-23 Metrologic Instruments, Inc. Laser scanning modules embodying silicone scan element with torsional hinges
US8746563B2 (en) 2012-06-10 2014-06-10 Metrologic Instruments, Inc. Laser scanning module with rotatably adjustable laser scanning assembly
USD910021S1 (en) * 2019-01-11 2021-02-09 Zebra Technologies Corporation Data capture device
US12141651B2 (en) * 2019-06-03 2024-11-12 Zebra Technologies Corporation Digital barcode reader
JP6809739B1 (ja) * 2020-01-14 2021-01-06 Ｎｅｃプラットフォームズ株式会社 検体容器のバーコード読取装置、及び検体容器のバーコード読取方法
CN114593694B (zh) * 2022-03-18 2024-04-30 烟台艾睿光电科技有限公司 谐振扫描角度检测光学系统及方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4387297B1 (en) * 1980-02-29 1995-09-12 Symbol Technologies Inc Portable laser scanning system and scanning methods
DE3408114A1 (de) * 1984-03-06 1985-09-19 Messerschmitt Boelkow Blohm Linsenkombination fuer ein katadioptrisches spiegelteleskop
DE3686170T2 (de) * 1985-02-28 1993-03-18 Symbol Technologies Inc Tragbarer abtastkopf mit laserdiode.
US5374817A (en) * 1988-05-11 1994-12-20 Symbol Technologies, Inc. Pre-objective scanner with flexible optical support
US5015831A (en) * 1988-11-07 1991-05-14 Photographic Sciences Corporation Scan modules for bar code readers and the like in which scan elements are flexurally supported
JPH0321908A (ja) * 1989-06-19 1991-01-30 Fujitsu Ltd 光半導体モジュール
US5404001A (en) * 1992-10-08 1995-04-04 Bard; Simon Fiber optic barcode reader
US5187353A (en) * 1990-04-18 1993-02-16 Symbol Technologies, Inc. Bar code symbol scanner utilizing monitor photodiode of laser diode package as a photoreceiver
US5581067A (en) * 1990-05-08 1996-12-03 Symbol Technologies, Inc. Compact bar code scanning module with shock protection
US5705799A (en) * 1990-05-08 1998-01-06 Symbol Technologies, Inc. Miniature optical scanning assembly for barcode readers
JP2603883B2 (ja) * 1990-11-21 1997-04-23 株式会社テスコ バーコードスキャナの照射光線走査装置
JP3467603B2 (ja) 1994-03-17 2003-11-17 株式会社オプトエレクトロニクス 振動ミラー形走査装置
GB9804289D0 (en) * 1997-04-11 1998-04-22 Owen Geoffrey Optical deflector and scanner
US5949068A (en) * 1997-10-07 1999-09-07 Telxon Corporation Optical reader for scanning optical indicia by way of varying object distance

Also Published As

Publication number Publication date
CN1220093C (zh) 2005-09-21
JP2002131686A (ja) 2002-05-09
AU779933B2 (en) 2005-02-17
EP1184803A3 (de) 2003-04-02
DE60130950D1 (de) 2007-11-29
JP4763178B2 (ja) 2011-08-31
EP1184803A2 (de) 2002-03-06
US6575370B1 (en) 2003-06-10
CN1371009A (zh) 2002-09-25
AU5793701A (en) 2002-03-07
DE60130950T2 (de) 2008-07-24
EP1184803B1 (de) 2007-10-17

Similar Documents

Publication Publication Date Title
ATE376221T1 (de) Elektro-optische abtastvorrichtung mit einstückigem oszillierenden fokussier-/lesekopf
EP0349770B1 (de) Optische Vorrichtung zur Erfassung von Codezeichen
US5734153A (en) Hand-held scanning head with aiming beam
KR900002412B1 (ko) 광학적 정보판독장치
US5550364A (en) Method and apparatus for spotter beam formation using a partitioned optical element
US4835374A (en) Portable laser diode scanning head
US5281801A (en) Low-cost low-power scanner and method
US4652750A (en) Optical device for detecting coded symbols
EP0574004B1 (de) Abtastmodul für optische Abtastgeräte zum Lesen optischer Informationen
US4806742A (en) Portable laser diode scanning head
US5149950A (en) Hand-held laser scanning head having detachable handle portion
EP0425844B1 (de) Leistungssparende Abtastvorrichtung
JP3089147U (ja) 表示記号を電子光学的に読み取るための走査モジュール
US5250792A (en) Portable laser diode scanning head
CN110673161A (zh) 物体检测装置及其物体检测方法、以及记录介质
ATE330852T1 (de) Laser-markierungsgerät
JPH03132887A (ja) レーザー走査ヘッド
ATE201107T1 (de) Optischer codeabtaster mit sich entlang zwei unterschiedlichen optischen wegen bewegenden laserstrahlen
US6000617A (en) Hand-held scanning head having auditory beeper with a changeable beeping rate
JPH0193871A (ja) バーコード読取装置
KR970060103A (ko) 브이시에스이엘 또는 브이시에스이엘 어레이를 갖춘 시디 롬 헤드
CN1053052C (zh) 带扫描范围及光点尺寸自动调整的激光扫描装置
US6225641B1 (en) Optical reader for scanning optical indicia by movement of an aperture relative to an image plane
US6382514B1 (en) Scanning device for bar-code scanner
JP2751661B2 (ja) 光走査装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties