TW200623838A - Monitoring light beam position in electro-optical readers and image projectors - Google Patents

Monitoring light beam position in electro-optical readers and image projectors

Info

Publication number
TW200623838A
TW200623838A TW094132299A TW94132299A TW200623838A TW 200623838 A TW200623838 A TW 200623838A TW 094132299 A TW094132299 A TW 094132299A TW 94132299 A TW94132299 A TW 94132299A TW 200623838 A TW200623838 A TW 200623838A
Authority
TW
Taiwan
Prior art keywords
electro
light beam
drive
beam position
scan line
Prior art date
Application number
TW094132299A
Other languages
English (en)
Chinese (zh)
Inventor
ya-jun Li
Paul Dvorkis
Dmitriy Yavid
Frederick F Wood
Miklos Stern
Edward Barkan
Narayan Nambudri
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
Publication of TW200623838A publication Critical patent/TW200623838A/zh

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
    • G06K7/10594—Beam path
    • G06K7/10683—Arrangement of fixed elements
    • G06K7/10702—Particularities of propagating elements, e.g. lenses, mirrors
    • 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

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)
  • Mechanical Optical Scanning Systems (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
TW094132299A 2004-09-30 2005-09-19 Monitoring light beam position in electro-optical readers and image projectors TW200623838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/956,693 US7182263B2 (en) 2004-09-30 2004-09-30 Monitoring light beam position in electro-optical readers and image projectors

Publications (1)

Publication Number Publication Date
TW200623838A true TW200623838A (en) 2006-07-01

Family

ID=36097914

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094132299A TW200623838A (en) 2004-09-30 2005-09-19 Monitoring light beam position in electro-optical readers and image projectors

Country Status (6)

Country Link
US (2) US7182263B2 (enExample)
EP (1) EP1794702B1 (enExample)
JP (1) JP4575953B2 (enExample)
CN (1) CN100517366C (enExample)
TW (1) TW200623838A (enExample)
WO (1) WO2006039472A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8777419B2 (en) 2010-04-01 2014-07-15 Delta Electronics, Inc. Projection apparatus and location method for determining a position of a light point on a projection image

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US20060118634A1 (en) * 2004-12-07 2006-06-08 Blythe Michael M Object with symbology
US7497578B2 (en) * 2005-04-28 2009-03-03 Symbol Technologies, Inc. Monitoring scan mirror motion in electro-optical readers and image projectors
US7126734B1 (en) * 2005-09-12 2006-10-24 Symbol Technologies, Inc. Motor drive circuit with reduced coil crosstalk in a feedback signal indicative of mirror motion in light scanning arrangements
US8002183B2 (en) * 2005-10-20 2011-08-23 Metrologic Instruments, Inc. Scanner flipper integrity indicator
US7815119B2 (en) * 2006-06-06 2010-10-19 Symbol Technologies, Inc. Monitoring scan mirror motion in laser scanning arrangements
WO2008032485A1 (en) * 2006-09-15 2008-03-20 Nec Corporation Laser projector
US7997742B2 (en) * 2008-03-25 2011-08-16 Microvision, Inc. Capacitive comb feedback for high speed scan mirror
US20090251670A1 (en) * 2008-04-03 2009-10-08 Motorola, Inc. Optical feedback for high speed scan mirror
JP5568893B2 (ja) * 2009-06-05 2014-08-13 日本電気株式会社 レーザ測距装置及びレーザ測距方法
JP5274400B2 (ja) * 2009-07-28 2013-08-28 日本信号株式会社 プレーナ型アクチュエータの取付けユニット
US8357889B2 (en) 2010-01-21 2013-01-22 Intersil Americas Inc. Circuits, systems and methods for vertical and horizontal light beam alignment
EA024472B1 (ru) 2010-09-21 2016-09-30 Сэн-Гобэн Гласс Франс Остекление, способ его изготовления и применение указанного остекления
PL2697336T3 (pl) 2011-04-15 2017-04-28 Saint-Gobain Glass France Sposób wytwarzania folii z cząstkami luminescencyjnymi
BR112014001042A2 (pt) 2011-08-29 2017-02-21 Saint Gobain dispositivo para gerar uma imagem de exibição em um painel de vidro compósito
JP2015141372A (ja) * 2014-01-30 2015-08-03 株式会社ミツトヨ 照射装置、照射方法、測定装置、及び測定方法
US9392188B2 (en) * 2014-08-10 2016-07-12 Corephotonics Ltd. Zoom dual-aperture camera with folded lens
CN110297324B (zh) * 2018-03-21 2021-08-03 京东方科技集团股份有限公司 显示装置和交通工具
WO2025105268A1 (ja) * 2023-11-13 2025-05-22 京セラ株式会社 電磁波照射装置
WO2025105270A1 (ja) * 2023-11-13 2025-05-22 京セラ株式会社 電磁波照射装置

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US4041322A (en) * 1974-05-03 1977-08-09 Schiller Industries, Inc. Apparatus for generating polyphase scan patterns
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US4279472A (en) * 1977-12-05 1981-07-21 Street Graham S B Laser scanning apparatus with beam position correction
US4680456A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation Data system employing wallet-size optical card
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US6655597B1 (en) * 2000-06-27 2003-12-02 Symbol Technologies, Inc. Portable instrument for electro-optically reading indicia and for projecting a bit-mapped color image
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US5504319A (en) * 1994-02-09 1996-04-02 Symbol Technologies, Inc. Method and system for bar code acquisition
US5889269A (en) * 1997-01-27 1999-03-30 Symbol Technologies, Inc. Linearization of raster patterns in 2D optical scanners
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JP3772528B2 (ja) * 1998-05-08 2006-05-10 コニカミノルタビジネステクノロジーズ株式会社 レーザ走査光学装置及び画像形成装置
JP4192400B2 (ja) * 1999-12-28 2008-12-10 ソニー株式会社 画像投射方法及び画像投射装置
TWI226940B (en) * 2002-10-01 2005-01-21 Sony Corp Optical scan device, image position calibration method, and image display device
JP2004177502A (ja) * 2002-11-25 2004-06-24 Takano Co Ltd レーザ走査装置
JP4070631B2 (ja) * 2003-02-21 2008-04-02 富士通株式会社 バーコード読取装置およびバーコード読取方法
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8777419B2 (en) 2010-04-01 2014-07-15 Delta Electronics, Inc. Projection apparatus and location method for determining a position of a light point on a projection image
TWI447508B (zh) * 2010-04-01 2014-08-01 Delta Electronics Inc 投影裝置以及用於判斷一光點於投影畫面之位置之定位方法

Also Published As

Publication number Publication date
CN101031929A (zh) 2007-09-05
US7182263B2 (en) 2007-02-27
US20070181688A1 (en) 2007-08-09
JP2008517307A (ja) 2008-05-22
JP4575953B2 (ja) 2010-11-04
WO2006039472A3 (en) 2007-03-22
EP1794702A4 (en) 2009-12-16
EP1794702A2 (en) 2007-06-13
EP1794702B1 (en) 2013-05-22
WO2006039472A2 (en) 2006-04-13
US7367510B2 (en) 2008-05-06
US20060065735A1 (en) 2006-03-30
CN100517366C (zh) 2009-07-22

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