CN1426570A - Scanner utilizing light pipe with diffuser - Google Patents
Scanner utilizing light pipe with diffuser Download PDFInfo
- Publication number
- CN1426570A CN1426570A CN01808527A CN01808527A CN1426570A CN 1426570 A CN1426570 A CN 1426570A CN 01808527 A CN01808527 A CN 01808527A CN 01808527 A CN01808527 A CN 01808527A CN 1426570 A CN1426570 A CN 1426570A
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- diffuser
- waveguide
- plane
- 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.)
- Granted
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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
- G06K7/10712—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; 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
-
- 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
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
-
- 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
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
Abstract
Description
Claims (42)
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 true CN1426570A (en) | 2003-06-25 |
CN1327383C CN1327383C (en) | 2007-07-18 |
Family
ID=24058972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB01808527XA Expired - Fee Related CN1327383C (en) | 2000-03-02 | 2001-02-27 | Scanner utilizing light pipe with diffuser |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1266342A4 (en) |
JP (1) | JP2003525472A (en) |
KR (1) | KR100933386B1 (en) |
CN (1) | CN1327383C (en) |
AU (1) | AU2001238715A1 (en) |
CA (2) | CA2708355C (en) |
TW (1) | TW501359B (en) |
WO (1) | WO2001065469A1 (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN101893759A (en) * | 2010-07-14 | 2010-11-24 | 世大光电(深圳)有限公司 | Optics monitoring system and electronic device comprising same |
US7874487B2 (en) | 2005-10-24 | 2011-01-25 | Cognex Technology And Investment Corporation | Integrated illumination assembly for symbology reader |
US8061613B2 (en) | 2003-10-24 | 2011-11-22 | Cognex Technology And Investment Corporation | Method and apparatus for providing omnidirectional lighting in a scanning device |
WO2012079442A1 (en) * | 2010-12-16 | 2012-06-21 | 山东新北洋信息技术股份有限公司 | Thin-sheet medium detection device and thin-sheet medium processing unit |
US8286878B2 (en) | 2004-12-16 | 2012-10-16 | Cognex Technology And Investment Corporation | Hand held symbology reader illumination diffuser |
CN102865999A (en) * | 2011-07-08 | 2013-01-09 | 中国科学院微电子研究所 | Optical property detection method and device for LED (Light Emitting Diode) |
CN102918543A (en) * | 2010-06-02 | 2013-02-06 | 讯宝科技公司 | Arrangement for and method of generating uniform distributed illumination pattern for imaging reader |
CN103279729A (en) * | 2013-05-21 | 2013-09-04 | 苏州斯普锐智能系统有限公司 | Barcode scanner with light masking part |
US9070031B2 (en) | 2003-10-24 | 2015-06-30 | Cognex Technology And Investment Llc | Integrated illumination assembly for symbology reader |
CN105022979A (en) * | 2015-07-27 | 2015-11-04 | 深圳市民德电子科技股份有限公司 | Image reading device with included angle between optical axes of imaging system and light supplementing system |
US9292724B1 (en) | 2004-12-16 | 2016-03-22 | Cognex Corporation | Hand held symbology reader illumination diffuser with aimer optics |
US9536124B1 (en) | 2003-10-24 | 2017-01-03 | Cognex Corporation | Integrated illumination assembly for symbology reader |
CN113312931A (en) * | 2020-02-27 | 2021-08-27 | 斑马技术公司 | Optical arrangement in a machine vision system with diffuse and direct illumination for DPM markers |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2405322T3 (en) | 2001-08-06 | 2013-05-30 | Mei, Inc. | Document validator sub-assembly |
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 |
JP2007526579A (en) * | 2004-03-02 | 2007-09-13 | シンボル テクノロジーズ インコーポレイテッド | System and method for reading an optical code imprinted or displayed on a reflective surface |
KR20060129117A (en) | 2005-06-10 | 2006-12-15 | 삼성전자주식회사 | Apparatus for controlling in microwave oven using a bar-code and method the same |
KR101290960B1 (en) * | 2009-09-17 | 2013-07-30 | 에프. 호프만-라 로슈 아게 | High-density barcodes for medical consumables |
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 |
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 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58168076A (en) * | 1982-03-30 | 1983-10-04 | Fujitsu Ltd | Formation of phase type hologram |
CA1268969A (en) * | 1986-01-15 | 1990-05-15 | Sanford Cobb, Jr. | Totally internally reflecting light conduit |
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 |
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 |
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 (en) * | 1996-12-24 | 1998-07-21 | Rohm Co Ltd | Linear light source device, light transmission member used therefor, and image reader provided with linear light source employing the light transmission member |
GB9724781D0 (en) * | 1997-11-24 | 1998-01-21 | Ncr Int Inc | Visual displays |
JPH11242120A (en) * | 1998-02-25 | 1999-09-07 | Sharp Corp | Element hologram panel and reproduced image generator using the panel |
JP2000261865A (en) * | 1999-03-04 | 2000-09-22 | Koito Ind Ltd | Remote controller of washing device |
JP2001033851A (en) * | 1999-07-21 | 2001-02-09 | Olympus Optical Co Ltd | Stroboscopic device |
-
2001
- 2001-02-27 EP EP01911199A patent/EP1266342A4/en not_active Withdrawn
- 2001-02-27 TW TW090104563A patent/TW501359B/en not_active IP Right Cessation
- 2001-02-27 CN CNB01808527XA patent/CN1327383C/en not_active Expired - Fee Related
- 2001-02-27 CA CA2708355A patent/CA2708355C/en not_active Expired - Fee Related
- 2001-02-27 AU AU2001238715A patent/AU2001238715A1/en not_active Abandoned
- 2001-02-27 KR KR1020027011464A patent/KR100933386B1/en not_active IP Right Cessation
- 2001-02-27 JP JP2001564088A patent/JP2003525472A/en active Pending
- 2001-02-27 WO PCT/US2001/006399 patent/WO2001065469A1/en not_active Application Discontinuation
- 2001-02-27 CA CA2406616A patent/CA2406616C/en not_active Expired - Fee Related
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8770483B2 (en) | 2003-10-24 | 2014-07-08 | Cognex Technology And Investment Corporation | Light pipe illumination system and method |
US9070031B2 (en) | 2003-10-24 | 2015-06-30 | Cognex Technology And Investment Llc | Integrated illumination assembly for symbology reader |
US9536124B1 (en) | 2003-10-24 | 2017-01-03 | Cognex Corporation | Integrated illumination assembly for symbology reader |
US8342405B2 (en) | 2003-10-24 | 2013-01-01 | Cognex Technology And Investment Corporation | Light pipe illumination system and method |
US8061613B2 (en) | 2003-10-24 | 2011-11-22 | Cognex Technology And Investment Corporation | Method and apparatus for providing omnidirectional lighting in a scanning device |
US8061614B2 (en) | 2003-10-24 | 2011-11-22 | Cognex Technology And Investment Corporation | Light pipe illumination system and method |
US9329332B2 (en) | 2003-10-24 | 2016-05-03 | Cognex Corporation | Light pipe illumination system and method |
US9298960B2 (en) | 2003-10-24 | 2016-03-29 | Cognex 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 |
US8740078B2 (en) | 2003-10-24 | 2014-06-03 | Cognex Technology And Investment Corporation | Method and apparatus for providing omnidirectional lighting in a scanning device |
US8282000B2 (en) | 2003-10-24 | 2012-10-09 | Cognex Technology And Investment Corporation | Method and apparatus for providing omnidirectional lighting in a scanning device |
US8286878B2 (en) | 2004-12-16 | 2012-10-16 | 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 |
US9361495B2 (en) | 2004-12-16 | 2016-06-07 | Cognex Technology And Investment Llc | Hand held symbology reader illumination diffuser |
US7823789B2 (en) | 2004-12-21 | 2010-11-02 | Cognex Technology And Investment Corporation | Low profile illumination for direct part mark readers |
US9495573B2 (en) | 2004-12-21 | 2016-11-15 | Cognex Technology And Investment Corporation | Low profile illumination for direct part mark readers |
US8672227B2 (en) | 2004-12-21 | 2014-03-18 | Cognex Technology And Investment Corporation | Low profile illumination for direct part mark readers |
US9405951B2 (en) | 2005-10-24 | 2016-08-02 | Cognex Technology And Investment Llc | Integrated illumination assembly for symbology reader |
US7874487B2 (en) | 2005-10-24 | 2011-01-25 | Cognex Technology And Investment Corporation | Integrated illumination assembly for symbology reader |
CN102419814B (en) * | 2005-10-24 | 2015-04-22 | 科格内克斯科技和投资公司 | Integrated illumination assembly for symbology reader |
CN102419814A (en) * | 2005-10-24 | 2012-04-18 | 科格内克斯科技和投资公司 | Integrated illumination assembly for symbology reader |
CN101346729B (en) * | 2005-10-24 | 2011-11-23 | 科格内克斯科技和投资公司 | Integrated illumination assembly for symbology reader |
CN102918543B (en) * | 2010-06-02 | 2016-06-08 | 讯宝科技公司 | The arrangements and methods of equally distributed lighting pattern are produced for imaging reader |
CN102918543A (en) * | 2010-06-02 | 2013-02-06 | 讯宝科技公司 | Arrangement for and method of generating uniform distributed illumination pattern for imaging reader |
CN101893759A (en) * | 2010-07-14 | 2010-11-24 | 世大光电(深圳)有限公司 | Optics monitoring system and electronic device comprising same |
CN101893759B (en) * | 2010-07-14 | 2012-07-11 | 世大光电(深圳)有限公司 | Optics monitoring system and electronic device comprising same |
WO2012079442A1 (en) * | 2010-12-16 | 2012-06-21 | 山东新北洋信息技术股份有限公司 | Thin-sheet medium detection device and thin-sheet medium processing unit |
US8910937B2 (en) | 2010-12-16 | 2014-12-16 | Shandong New Beiyang Information Technology Co., Ltd. | Sheet medium detection device and sheet medium processing device |
CN102865999B (en) * | 2011-07-08 | 2015-03-04 | 中国科学院微电子研究所 | Optical property detection method and device for LED (Light Emitting Diode) |
CN102865999A (en) * | 2011-07-08 | 2013-01-09 | 中国科学院微电子研究所 | Optical property detection method and device for LED (Light Emitting Diode) |
CN103279729B (en) * | 2013-05-21 | 2016-01-20 | 苏州斯普锐智能系统有限公司 | A kind of barcode scanner with shading part |
CN103279729A (en) * | 2013-05-21 | 2013-09-04 | 苏州斯普锐智能系统有限公司 | Barcode scanner with light masking part |
CN105022979A (en) * | 2015-07-27 | 2015-11-04 | 深圳市民德电子科技股份有限公司 | Image reading device with included angle between optical axes of imaging system and light supplementing system |
CN113312931A (en) * | 2020-02-27 | 2021-08-27 | 斑马技术公司 | Optical arrangement in a machine vision system with diffuse and direct illumination for DPM markers |
CN113312931B (en) * | 2020-02-27 | 2024-04-09 | 斑马技术公司 | Optical arrangement in a machine vision system with diffuse and direct illumination for DPM markers |
Also Published As
Publication number | Publication date |
---|---|
CA2406616A1 (en) | 2001-09-07 |
WO2001065469A1 (en) | 2001-09-07 |
TW501359B (en) | 2002-09-01 |
AU2001238715A1 (en) | 2001-09-12 |
EP1266342A4 (en) | 2005-03-30 |
EP1266342A1 (en) | 2002-12-18 |
KR20020081382A (en) | 2002-10-26 |
CA2406616C (en) | 2010-09-28 |
CA2708355C (en) | 2012-05-29 |
JP2003525472A (en) | 2003-08-26 |
KR100933386B1 (en) | 2009-12-22 |
CN1327383C (en) | 2007-07-18 |
CA2708355A1 (en) | 2001-09-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
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 Address after: American California Patentee after: Luminit LLC Address before: Osaka Japan Patentee before: Asahi Kasei Kogyo K. K. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070718 Termination date: 20140227 |