CN1327383C - 利用具有漫射体之光导管的扫描器 - Google Patents

利用具有漫射体之光导管的扫描器 Download PDF

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Publication number
CN1327383C
CN1327383C CNB01808527XA CN01808527A CN1327383C CN 1327383 C CN1327383 C CN 1327383C CN B01808527X A CNB01808527X A CN B01808527XA CN 01808527 A CN01808527 A CN 01808527A CN 1327383 C CN1327383 C CN 1327383C
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CN
China
Prior art keywords
light
diffuser
light source
plane
variable
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
CNB01808527XA
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English (en)
Chinese (zh)
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CN1426570A (zh
Inventor
加金德拉·D·萨万特
阿巴斯·侯赛尼
里克·L·希恩
汪三壮
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Luminit LLC
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Physical Optics Corp
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Publication date
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Publication of CN1426570A publication Critical patent/CN1426570A/zh
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Publication of CN1327383C publication Critical patent/CN1327383C/zh
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    • 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
    • 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10742—Photodetector array or CCD scanning including a diffuser for diffusing the light from the light source to create substantially uniform illumination of the target record carrier
    • 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD 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
    • G06K7/10712—Fixed beam scanning
    • G06K7/10722—Photodetector array or CCD scanning
    • G06K7/10732—Light sources

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Planar Illumination Modules (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Mechanical Optical Scanning Systems (AREA)
CNB01808527XA 2000-03-02 2001-02-27 利用具有漫射体之光导管的扫描器 Expired - Fee Related CN1327383C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51724000A 2000-03-02 2000-03-02
US09/517,240 2000-03-02

Publications (2)

Publication Number Publication Date
CN1426570A CN1426570A (zh) 2003-06-25
CN1327383C true CN1327383C (zh) 2007-07-18

Family

ID=24058972

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB01808527XA Expired - Fee Related CN1327383C (zh) 2000-03-02 2001-02-27 利用具有漫射体之光导管的扫描器

Country Status (8)

Country Link
EP (1) EP1266342A4 (fr)
JP (1) JP2003525472A (fr)
KR (1) KR100933386B1 (fr)
CN (1) CN1327383C (fr)
AU (1) AU2001238715A1 (fr)
CA (2) CA2708355C (fr)
TW (1) TW501359B (fr)
WO (1) WO2001065469A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1328610C (zh) 2001-08-06 2007-07-25 Mei公司 票据验证装置组件
US9536124B1 (en) 2003-10-24 2017-01-03 Cognex Corporation Integrated illumination assembly for symbology reader
US9070031B2 (en) 2003-10-24 2015-06-30 Cognex Technology And Investment Llc Integrated illumination assembly for symbology reader
US7604174B2 (en) 2003-10-24 2009-10-20 Cognex Technology And Investment Corporation Method and apparatus for providing omnidirectional lighting in a scanning device
US7823783B2 (en) 2003-10-24 2010-11-02 Cognex Technology And Investment Corporation Light pipe illumination system and method
US7823789B2 (en) 2004-12-21 2010-11-02 Cognex Technology And Investment Corporation Low profile illumination for direct part mark readers
US7874487B2 (en) * 2005-10-24 2011-01-25 Cognex Technology And Investment Corporation Integrated illumination assembly for symbology reader
US7163149B2 (en) 2004-03-02 2007-01-16 Symbol Technologies, Inc. System and method for illuminating and reading optical codes imprinted or displayed on reflective surfaces
EP1723576B1 (fr) * 2004-03-02 2011-09-21 Symbol Technologies, Inc. Systeme et procede pour la lecture des code optiques imprimes ou affiches sur des surfaces reflechissantes
US7617984B2 (en) 2004-12-16 2009-11-17 Cognex Technology And Investment Corporation Hand held symbology reader illumination diffuser
US9292724B1 (en) 2004-12-16 2016-03-22 Cognex Corporation Hand held symbology reader illumination diffuser with aimer optics
KR20060129117A (ko) 2005-06-10 2006-12-15 삼성전자주식회사 바코드를 이용하는 전자레인지의 제어장치 및 방법
KR101290960B1 (ko) * 2009-09-17 2013-07-30 에프. 호프만-라 로슈 아게 의료 소모품용 고밀도 바코드
US8450708B2 (en) * 2010-06-02 2013-05-28 Symbol Technologies, Inc. Arrangement for and method of generating uniform distributed illumination pattern for imaging reader
CN101893759B (zh) * 2010-07-14 2012-07-11 世大光电(深圳)有限公司 光学监测系统及具有该光学监测系统的电子装置
CN102122000A (zh) 2010-12-16 2011-07-13 山东新北洋信息技术股份有限公司 薄片类介质检测装置及薄片类介质处理装置
CN102865999B (zh) * 2011-07-08 2015-03-04 中国科学院微电子研究所 Led光学特性检测方法及检测装置
US8876006B2 (en) * 2012-10-25 2014-11-04 Symbol Technologies, Inc. Compact imaging module with adjustable aiming pattern and arrangement for and method of spatially adjusting the aiming pattern
CN103279729B (zh) * 2013-05-21 2016-01-20 苏州斯普锐智能系统有限公司 一种具有遮光零件的条码扫描器
CN105022979B (zh) * 2015-07-27 2018-01-16 深圳市民德电子科技股份有限公司 成像系统与补光系统光轴呈夹角设置的图像识读设备
US10502618B2 (en) 2016-12-03 2019-12-10 Waymo Llc Waveguide diffuser for light detection using an aperture
US11003875B2 (en) * 2018-11-01 2021-05-11 Cognex Corporation Handheld ID-reading system with integrated illumination assembly
US11120236B1 (en) * 2020-02-27 2021-09-14 Zebra Technologies Corporation Optical arrangement in machine vision system with diffusive and direct illumination for DPM indicia
WO2021256165A1 (fr) * 2020-06-15 2021-12-23 パナソニックＩｐマネジメント株式会社 Dispositif de mesure
US12060991B1 (en) 2023-11-17 2024-08-13 Brady Worldwide, Inc. Light pipe with uniform and segmented light outputs for barcode-reading devices

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586212A (en) * 1994-07-06 1996-12-17 Hewlett-Packard Optical wave guide for hand-held scanner
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168076A (ja) * 1982-03-30 1983-10-04 Fujitsu Ltd 位相型ホログラムの作成方法
CA1268969A (fr) * 1986-01-15 1990-05-15 Sanford Cobb, Jr. Guide de lumiere a reflexion interne totale
US4787688A (en) * 1987-09-28 1988-11-29 Eastman Kodak Company Hologon and method of manufacturing a hologon
EP0479490A3 (en) 1990-10-02 1992-08-12 Physical Optics Corporation Volume holographic diffuser
US5770847A (en) 1994-12-23 1998-06-23 Spectra-Physics Scanning Systems, Inc. Bar code reader with multi-focus lens
US5838403A (en) * 1996-02-14 1998-11-17 Physical Optics Corporation Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing
US5956080A (en) * 1996-04-25 1999-09-21 Sanyo Electric Co., Ltd. Printing face inspecting apparatus
JPH10190956A (ja) * 1996-12-24 1998-07-21 Rohm Co Ltd 線状光源装置、これに用いる導光部材、およびこの導光部材を用いた線状光源を備える画像読み取り装置
GB9724781D0 (en) * 1997-11-24 1998-01-21 Ncr Int Inc Visual displays
JPH11242120A (ja) * 1998-02-25 1999-09-07 Sharp Corp 要素ホログラムパネル及び該要素ホログラムパネルを用いた再生像生成装置
JP2000261865A (ja) * 1999-03-04 2000-09-22 Koito Ind Ltd 洗浄装置の遠隔操作装置
JP2001033851A (ja) * 1999-07-21 2001-02-09 Olympus Optical Co Ltd ストロボ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5586212A (en) * 1994-07-06 1996-12-17 Hewlett-Packard Optical wave guide for hand-held scanner

Also Published As

Publication number Publication date
AU2001238715A1 (en) 2001-09-12
CA2406616C (fr) 2010-09-28
CA2708355C (fr) 2012-05-29
CN1426570A (zh) 2003-06-25
JP2003525472A (ja) 2003-08-26
KR100933386B1 (ko) 2009-12-22
CA2406616A1 (fr) 2001-09-07
EP1266342A1 (fr) 2002-12-18
WO2001065469A1 (fr) 2001-09-07
TW501359B (en) 2002-09-01
KR20020081382A (ko) 2002-10-26
CA2708355A1 (fr) 2001-09-07
EP1266342A4 (fr) 2005-03-30

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C06 Publication
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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
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Owner name: ASAHI KASEI CORPORATION

Free format text: FORMER OWNER: PHYSICAL OPTICAL CO., LTD.

Effective date: 20091211

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20091211

Address after: Osaka Japan

Patentee after: Asahi Kasei Kogyo K. K.

Address before: American California

Patentee before: Physical Optics Corp.

ASS Succession or assignment of patent right

Owner name: LUMENITE LIMITED

Free format text: FORMER OWNER: ASAHI KASEI KOGYO K.K.

Effective date: 20130402

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20130402

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Patentee after: Luminit LLC

Address before: Osaka Japan

Patentee before: Asahi Kasei Kogyo K. K.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070718

Termination date: 20140227