WO2011005545A3 - Combination dark field and bright field illuminator - Google Patents

Combination dark field and bright field illuminator Download PDF

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Publication number
WO2011005545A3
WO2011005545A3 PCT/US2010/039550 US2010039550W WO2011005545A3 WO 2011005545 A3 WO2011005545 A3 WO 2011005545A3 US 2010039550 W US2010039550 W US 2010039550W WO 2011005545 A3 WO2011005545 A3 WO 2011005545A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
field
reflector
illuminator
interior
Prior art date
Application number
PCT/US2010/039550
Other languages
French (fr)
Other versions
WO2011005545A2 (en
Inventor
Michael C. Messina
Thomas J. Driscoll
Kyle M. O'brien
Original Assignee
Microscan 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 Microscan Systems, Inc. filed Critical Microscan Systems, Inc.
Priority to EP10797584.9A priority Critical patent/EP2452121B1/en
Priority to CN201080031092.XA priority patent/CN102472474B/en
Publication of WO2011005545A2 publication Critical patent/WO2011005545A2/en
Publication of WO2011005545A3 publication Critical patent/WO2011005545A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems

Abstract

Embodiments are disclosed of an apparatus including a curved reflector having an interior and an open end; a light module positioned around a perimeter of the open end of the reflector, the light module including a first side having one or more interior light sources thereon to direct light toward the interior of the reflector and a second side having one or more exterior light sources thereon to direct light away from the reflector; and a light pipe coupled to the light module and aligned so that light from the one or more exterior light sources is launched into the light pipe. Other embodiments are also disclosed and claimed.
PCT/US2010/039550 2009-07-10 2010-06-22 Combination dark field and bright field illuminator WO2011005545A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10797584.9A EP2452121B1 (en) 2009-07-10 2010-06-22 Combination dark field and bright field illuminator
CN201080031092.XA CN102472474B (en) 2009-07-10 2010-06-22 Combination dark field and bright field illuminator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/501,325 US8107808B2 (en) 2009-07-10 2009-07-10 Combination dark field and bright field illuminator
US12/501,325 2009-07-10

Publications (2)

Publication Number Publication Date
WO2011005545A2 WO2011005545A2 (en) 2011-01-13
WO2011005545A3 true WO2011005545A3 (en) 2011-03-31

Family

ID=43427543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/039550 WO2011005545A2 (en) 2009-07-10 2010-06-22 Combination dark field and bright field illuminator

Country Status (5)

Country Link
US (1) US8107808B2 (en)
EP (1) EP2452121B1 (en)
KR (1) KR20120046220A (en)
CN (1) CN102472474B (en)
WO (1) WO2011005545A2 (en)

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US8000594B2 (en) * 2009-07-02 2011-08-16 Microscan Systems, Inc. Diffuse reflective illuminator
US8768159B2 (en) * 2009-07-10 2014-07-01 Microscan Systems, Inc. Combination dark field and bright field illuminator
US8184158B2 (en) * 2009-10-28 2012-05-22 Chen Kun-Sen Curved mirror camera
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CN104696900B (en) * 2015-03-31 2018-01-30 合肥鑫晟光电科技有限公司 Light supply apparatus and alignment mark photograph identifying system
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CN109424871B (en) * 2017-08-18 2023-05-05 手持产品公司 Illuminator for bar code scanner
US10674055B2 (en) * 2017-08-29 2020-06-02 Omron Corporation Apparatus for detecting, reading, and verifying 1-D, 2-D, and DPM symbologies
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WO2022142356A1 (en) * 2020-12-30 2022-07-07 杭州海康威视数字技术股份有限公司 Light supplementing lamp for hemispherical camera and hemispherical camera

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Also Published As

Publication number Publication date
KR20120046220A (en) 2012-05-09
EP2452121A4 (en) 2016-07-13
US20110008035A1 (en) 2011-01-13
EP2452121A2 (en) 2012-05-16
US8107808B2 (en) 2012-01-31
CN102472474B (en) 2014-01-01
CN102472474A (en) 2012-05-23
WO2011005545A2 (en) 2011-01-13
EP2452121B1 (en) 2018-08-15

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