EP2218033A4 - Optical code scanner with automatic focusing - Google Patents

Optical code scanner with automatic focusing

Info

Publication number: EP2218033A4
Authority: EP; European Patent Office
Prior art keywords: code scanner; automatic focusing; optical code; optical; focusing
Prior art date: 2007-11-08
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP07844971A

Other languages

German (de)

French (fr)

Other versions

EP2218033A1 (en

Inventor

Yasutake Kawashima

Tohru Takahashi

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.)

Optoelectronics Co Ltd

Opticon Inc

Original Assignee

Optoelectronics Co Ltd

Opticon 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.)

2007-11-08

Filing date

2007-11-08

Publication date

2010-12-29

2007-11-08 Application filed by Optoelectronics Co Ltd, Opticon Inc filed Critical Optoelectronics Co Ltd

2010-08-18 Publication of EP2218033A1 publication Critical patent/EP2218033A1/en

2010-12-29 Publication of EP2218033A4 publication Critical patent/EP2218033A4/en

Status Withdrawn legal-status Critical Current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
- G06K7/10792—Special measures in relation to the object to be scanned
- G06K7/10801—Multidistance reading
- G06K7/10811—Focalisation
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/12—Fluid-filled or evacuated lenses
- G02B3/14—Fluid-filled or evacuated lenses of variable focal length
- 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
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K2207/00—Other aspects
- G06K2207/1013—Multi-focal

EP07844971A 2007-11-08 2007-11-08 Optical code scanner with automatic focusing Withdrawn EP2218033A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US2007/084043 WO2009061317A1 (en)	2007-11-08	2007-11-08	Optical code scanner with automatic focusing

Publications (2)

Publication Number	Publication Date
EP2218033A1 EP2218033A1 (en)	2010-08-18
EP2218033A4 true EP2218033A4 (en)	2010-12-29

Family

ID=40626033

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07844971A Withdrawn EP2218033A4 (en)	2007-11-08	2007-11-08	Optical code scanner with automatic focusing

Country Status (4)

Country	Link
EP (1)	EP2218033A4 (en)
JP (1)	JP2011504247A (en)
CN (1)	CN101855639A (en)
WO (1)	WO2009061317A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8348168B2 (en) *	2010-05-17	2013-01-08	Symbol Technologies, Inc.	Focus adjustment with liquid crystal device in imaging scanner
JP5605627B2 (en) *	2010-09-22	2014-10-15	カシオ計算機株式会社	Pattern or image reading apparatus, control method thereof, and program
JP2013025507A (en) *	2011-07-19	2013-02-04	Nippon Telegr & Teleph Corp <Ntt>	Printed information reading device
US8576390B1 (en) *	2012-07-31	2013-11-05	Cognex Corporation	System and method for determining and controlling focal distance in a vision system camera
US8873892B2 (en) *	2012-08-21	2014-10-28	Cognex Corporation	Trainable handheld optical character recognition systems and methods
TWI505198B (en) *	2012-09-11	2015-10-21	Sintai Optical Shenzhen Co Ltd	Bar code reading method and reading device
US10491790B2 (en)	2016-03-22	2019-11-26	Symbol Technologies, Llc	Imaging module and reader for, and method of, variably illuminating targets to be read by image capture over a range of working distances
JP6327294B2 (en) *	2016-06-22	2018-05-23	カシオ計算機株式会社	Light irradiation apparatus and program
CH712734A1 (en) *	2016-07-22	2018-01-31	Tecan Trading Ag	Recognition device and method for detecting labels and / or features of laboratory objects.
DE102020109928B3 (en) *	2020-04-09	2020-12-31	Sick Ag	Camera and method for capturing image data

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5864128A (en) *	1991-10-15	1999-01-26	Geo Labs, Inc.	Lens with variable focal length
US20050218231A1 (en) *	2004-01-23	2005-10-06	Intermec Ip Corp.	Autofocus barcode scanner and the like employing micro-fluidic lens
US20070063048A1 (en) *	2005-09-14	2007-03-22	Havens William H	Data reader apparatus having an adaptive lens
US20070153644A1 (en) *	2005-12-30	2007-07-05	Datalogic S.P.A.	Device and method for focusing a laser light beam
EP1921565A1 (en) *	2006-11-11	2008-05-14	Leuze electronic GmbH + Co. KG	Bar code reader
WO2009038959A1 (en) *	2007-09-17	2009-03-26	Metrologic Instruments, Inc.	Autofocus liquid lens scanner

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5495096A (en) *	1991-09-20	1996-02-27	Omron Corporation	Multi-focus optical device
US6176429B1 (en) *	1998-07-17	2001-01-23	Psc Scanning, Inc.	Optical reader with selectable processing characteristics for reading data in multiple formats
US7137555B2 (en) *	2000-02-28	2006-11-21	Psc Scanning, Inc.	Multi-format bar code reader
JP2006201639A (en) *	2005-01-24	2006-08-03	Citizen Electronics Co Ltd	Zoom unit for camera and camera
US20070156021A1 (en) *	2005-09-14	2007-07-05	Bradford Morse	Remote imaging apparatus having an adaptive lens
CN101001304A (en) *	2006-01-09	2007-07-18	明基电通信息技术有限公司	Image scanning device and its focus method

2007
- 2007-11-08 EP EP07844971A patent/EP2218033A4/en not_active Withdrawn
- 2007-11-08 WO PCT/US2007/084043 patent/WO2009061317A1/en active Application Filing
- 2007-11-08 CN CN200780101467A patent/CN101855639A/en active Pending
- 2007-11-08 JP JP2010533055A patent/JP2011504247A/en active Pending

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5864128A (en) *	1991-10-15	1999-01-26	Geo Labs, Inc.	Lens with variable focal length
US20050218231A1 (en) *	2004-01-23	2005-10-06	Intermec Ip Corp.	Autofocus barcode scanner and the like employing micro-fluidic lens
US20070063048A1 (en) *	2005-09-14	2007-03-22	Havens William H	Data reader apparatus having an adaptive lens
US20070153644A1 (en) *	2005-12-30	2007-07-05	Datalogic S.P.A.	Device and method for focusing a laser light beam
EP1921565A1 (en) *	2006-11-11	2008-05-14	Leuze electronic GmbH + Co. KG	Bar code reader
WO2009038959A1 (en) *	2007-09-17	2009-03-26	Metrologic Instruments, Inc.	Autofocus liquid lens scanner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009061317A1 *

Also Published As

Publication number	Publication date
JP2011504247A (en)	2011-02-03
EP2218033A1 (en)	2010-08-18
WO2009061317A1 (en)	2009-05-14
CN101855639A (en)	2010-10-06

Legal Events

Date	Code	Title	Description
2010-07-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2010-08-18	17P	Request for examination filed	Effective date: 20100607
2010-08-18	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
2010-08-18	AX	Request for extension of the european patent	Extension state: AL BA HR MK RS
2010-12-29	A4	Supplementary search report drawn up and despatched	Effective date: 20101126
2010-12-29	RIC1	Information provided on ipc code assigned before grant	Ipc: G02B 26/02 20060101ALI20101122BHEP Ipc: G02B 3/14 20060101ALI20101122BHEP Ipc: G06K 7/10 20060101AFI20090602BHEP
2011-02-16	DAX	Request for extension of the european patent (deleted)
2011-08-17	17Q	First examination report despatched	Effective date: 20110715
2012-06-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2012-07-18	18D	Application deemed to be withdrawn	Effective date: 20120126

Publication	Publication Date	Title
EP2218033A4 (en)	2010-12-29	Optical code scanner with automatic focusing
EP2034337A4 (en)	2010-06-23	Optical lens
EP2331992A4 (en)	2014-12-17	Optical imaging based on viscoelastic focusing
TWI316160B (en)	2009-10-21	Automated focus optical lens module
EP2111188A4 (en)	2010-01-13	Interfacial refraction accommodating lens (iral)
EP1894249A4 (en)	2010-09-29	Direct optical light guide
HK1139701A1 (en)	2010-09-24	Optical element having light influencing property
EP2276076A4 (en)	2013-10-16	Light emitting unit with lens
EP2131785A4 (en)	2011-11-02	Intraocular lens assembly
TWI319097B (en)	2010-01-01	Optical focusing device
AP2011005949A0 (en)	2011-10-31	Annular light guide illuminator and optical scanner.
EP1995619A4 (en)	2010-12-29	Automatic focusing apparatus and optical element
EP2274710A4 (en)	2011-05-11	Optical image reader
HK1157020A1 (en)	2012-06-22	Optical lens
TWI371597B (en)	2012-09-01	Fixed focus lens
EP2233966A4 (en)	2011-01-12	Variable-focus lens
EP2330456A4 (en)	2012-04-11	Optical scanner
EP2204675A4 (en)	2011-11-30	Optical element
SG2014010458A (en)	2014-05-29	Optical lens systems
TWI340838B (en)	2011-04-21	Optical lens assembly for taking image
EP1870755A4 (en)	2010-10-20	Lens barrel
ZA200802178B (en)	2009-08-26	Optical lens systems
GB0604963D0 (en)	2006-04-19	Light guide
TWI366002B (en)	2012-06-11	Zoom lens
GB2450630B (en)	2010-07-21	Zoom lens