EP2329306A4 - Variable focus optical system - Google Patents

Variable focus optical system

Info

Publication number: EP2329306A4
Authority: EP; European Patent Office
Prior art keywords: optical system; variable focus; focus optical; variable; optical
Prior art date: 2008-09-09
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP08799347A

Other languages

German (de)

French (fr)

Other versions

EP2329306A1 (en

Inventor

Hiroshi Hayakawa

Masayoshi Yamanouchi

Toshio Sujino

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.)

2008-09-09

Filing date

2008-09-09

Publication date

2011-08-31

2008-09-09 Application filed by Optoelectronics Co Ltd, Opticon Inc filed Critical Optoelectronics Co Ltd

2011-06-08 Publication of EP2329306A1 publication Critical patent/EP2329306A1/en

2011-08-31 Publication of EP2329306A4 publication Critical patent/EP2329306A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
- G02B27/20—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer
- 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

EP08799347A 2008-09-09 2008-09-09 Variable focus optical system Withdrawn EP2329306A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US2008/075679 WO2010030267A1 (en)	2008-09-09	2008-09-09	Variable focus optical system

Publications (2)

Publication Number	Publication Date
EP2329306A1 EP2329306A1 (en)	2011-06-08
EP2329306A4 true EP2329306A4 (en)	2011-08-31

Family

ID=42005359

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08799347A Withdrawn EP2329306A4 (en)	2008-09-09	2008-09-09	Variable focus optical system

Country Status (4)

Country	Link
EP (1)	EP2329306A4 (en)
JP (1)	JP2012502349A (en)
CN (1)	CN102150066A (en)
WO (1)	WO2010030267A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9262662B2 (en) *	2012-07-31	2016-02-16	Honeywell International, Inc.	Optical reading apparatus having variable settings

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5302812A (en) *	1991-12-23	1994-04-12	Symbol Technologies, Inc.	Laser scanning device with automatic range and spot size adjustment
EP0757270A1 (en) *	1995-08-03	1997-02-05	Scantech B.V.	Autofocusing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5663554A (en) *	1995-01-17	1997-09-02	Agfa Division, Bayer Corporation	Weak lens focus adjusting mechanism based upon thickness of scanned material and imagesetter using same
GB9705105D0 (en) *	1997-03-12	1997-04-30	Brown & Sharpe Limited	Optical surface measurement apparatus and methods
US6066857A (en) *	1998-09-11	2000-05-23	Robotic Vision Systems, Inc.	Variable focus optical system
JP5125009B2 (en) *	2006-07-20	2013-01-23	株式会社ニコン	Zoom lens, imaging device, zoom lens vibration isolation method, zoom lens zoom method

2008
- 2008-09-09 JP JP2011526024A patent/JP2012502349A/en active Pending
- 2008-09-09 EP EP08799347A patent/EP2329306A4/en not_active Withdrawn
- 2008-09-09 WO PCT/US2008/075679 patent/WO2010030267A1/en active Application Filing
- 2008-09-09 CN CN2008801310686A patent/CN102150066A/en active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5302812A (en) *	1991-12-23	1994-04-12	Symbol Technologies, Inc.	Laser scanning device with automatic range and spot size adjustment
EP0757270A1 (en) *	1995-08-03	1997-02-05	Scantech B.V.	Autofocusing device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010030267A1 *

Also Published As

Publication number	Publication date
WO2010030267A1 (en)	2010-03-18
CN102150066A (en)	2011-08-10
EP2329306A1 (en)	2011-06-08
JP2012502349A (en)	2012-01-26

Legal Events

Date	Code	Title	Description
2011-05-06	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
2011-06-08	17P	Request for examination filed	Effective date: 20110323
2011-06-08	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 HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
2011-06-08	AX	Request for extension of the european patent	Extension state: AL BA MK RS
2011-08-31	A4	Supplementary search report drawn up and despatched	Effective date: 20110801
2011-08-31	RIC1	Information provided on ipc code assigned before grant	Ipc: G02B 7/08 20060101ALI20110726BHEP Ipc: G02B 27/20 20060101ALI20110726BHEP Ipc: G02B 7/04 20060101AFI20110726BHEP
2011-12-14	DAX	Request for extension of the european patent (deleted)
2012-07-20	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
2012-08-22	18D	Application deemed to be withdrawn	Effective date: 20120301

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