DE69706964T2 - Dynamisches fokussierungsgeraet fuer optische abbildungssysteme - Google Patents

Dynamisches fokussierungsgeraet fuer optische abbildungssysteme

Info

Publication number
DE69706964T2
DE69706964T2 DE69706964T DE69706964T DE69706964T2 DE 69706964 T2 DE69706964 T2 DE 69706964T2 DE 69706964 T DE69706964 T DE 69706964T DE 69706964 T DE69706964 T DE 69706964T DE 69706964 T2 DE69706964 T2 DE 69706964T2
Authority
DE
Germany
Prior art keywords
optical imaging
imaging systems
focusing device
dynamic focusing
optical scanner
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
DE69706964T
Other languages
English (en)
Other versions
DE69706964D1 (de
Inventor
J Brobst
I Chaleff
Kurt Hecht
L Veksland
Albert Wurz
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.)
Accu Sort Systems Inc
Original Assignee
Accu Sort Systems 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 Accu Sort Systems Inc filed Critical Accu Sort Systems Inc
Publication of DE69706964D1 publication Critical patent/DE69706964D1/de
Application granted granted Critical
Publication of DE69706964T2 publication Critical patent/DE69706964T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods 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
    • G06K7/10821Methods 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 further details of bar or optical code scanning devices
    • G06K7/10831Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0825Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • G02B5/09Multifaceted or polygonal mirrors, e.g. polygonal scanning mirrors; Fresnel mirrors
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods 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
    • G06K7/10792Special measures in relation to the object to be scanned
    • G06K7/10801Multidistance reading
    • G06K7/10811Focalisation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2207/00Other aspects
    • G06K2207/1013Multi-focal
DE69706964T 1996-03-07 1997-03-04 Dynamisches fokussierungsgeraet fuer optische abbildungssysteme Expired - Fee Related DE69706964T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61235996A 1996-03-07 1996-03-07
PCT/US1997/003941 WO1997033247A1 (en) 1996-03-07 1997-03-04 Dynamic focusing apparatus for optical imaging systems

Publications (2)

Publication Number Publication Date
DE69706964D1 DE69706964D1 (de) 2001-10-31
DE69706964T2 true DE69706964T2 (de) 2002-04-04

Family

ID=24452826

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69706964T Expired - Fee Related DE69706964T2 (de) 1996-03-07 1997-03-04 Dynamisches fokussierungsgeraet fuer optische abbildungssysteme

Country Status (7)

Country Link
US (1) US6053409A (de)
EP (1) EP0885426B1 (de)
AT (1) ATE206230T1 (de)
AU (1) AU2078297A (de)
DE (1) DE69706964T2 (de)
HK (1) HK1017463A1 (de)
WO (1) WO1997033247A1 (de)

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DE102014105759A1 (de) * 2014-04-24 2015-10-29 Sick Ag Kamera und Verfahren zur Erfassung eines bewegten Stroms von Objekten

Also Published As

Publication number Publication date
EP0885426A1 (de) 1998-12-23
EP0885426B1 (de) 2001-09-26
WO1997033247A1 (en) 1997-09-12
ATE206230T1 (de) 2001-10-15
US6053409A (en) 2000-04-25
AU2078297A (en) 1997-09-22
DE69706964D1 (de) 2001-10-31
HK1017463A1 (en) 1999-11-19

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