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BE875482A - Verbeterde ringverlichting voor mikroskopen - Google Patents

Verbeterde ringverlichting voor mikroskopen

Info

Publication number
BE875482A
BE875482A BE2/57718A BE2057718A BE875482A BE 875482 A BE875482 A BE 875482A BE 2/57718 A BE2/57718 A BE 2/57718A BE 2057718 A BE2057718 A BE 2057718A BE 875482 A BE875482 A BE 875482A
Authority
BE
Belgium
Prior art keywords
microsbuies
ring light
improved ring
improved
light
Prior art date
Application number
BE2/57718A
Other languages
English (en)
Original Assignee
Chandesais Jean L J
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 Chandesais Jean L J filed Critical Chandesais Jean L J
Priority to BE2/57718A priority Critical patent/BE875482A/nl
Publication of BE875482A publication Critical patent/BE875482A/nl
Priority to EP80200298A priority patent/EP0019309A1/en
Priority to US06/135,770 priority patent/US4351584A/en
Priority to JP4791780A priority patent/JPS55140811A/ja

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G02B21/08—Condensers
    • G02B21/082—Condensers for incident illumination only
    • G02B21/084—Condensers for incident illumination only having annular illumination around the objective
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Microscoopes, Condenser (AREA)
  • Light Guides In General And Applications Therefor (AREA)
BE2/57718A 1979-04-11 1979-04-11 Verbeterde ringverlichting voor mikroskopen BE875482A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE2/57718A BE875482A (nl) 1979-04-11 1979-04-11 Verbeterde ringverlichting voor mikroskopen
EP80200298A EP0019309A1 (en) 1979-04-11 1980-03-31 Ring lighting for the dark ground observation of a precious stone
US06/135,770 US4351584A (en) 1979-04-11 1980-03-31 Ring lighting for microscopes
JP4791780A JPS55140811A (en) 1979-04-11 1980-04-11 Annular illuminator for microscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2/57718A BE875482A (nl) 1979-04-11 1979-04-11 Verbeterde ringverlichting voor mikroskopen

Publications (1)

Publication Number Publication Date
BE875482A true BE875482A (nl) 1979-10-11

Family

ID=3865450

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/57718A BE875482A (nl) 1979-04-11 1979-04-11 Verbeterde ringverlichting voor mikroskopen

Country Status (4)

Country Link
US (1) US4351584A (nl)
EP (1) EP0019309A1 (nl)
JP (1) JPS55140811A (nl)
BE (1) BE875482A (nl)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132378B (en) * 1982-11-19 1986-05-21 Gwyndann Group Illumination of optical instruments
JPS6090319A (ja) * 1983-10-24 1985-05-21 Olympus Optical Co Ltd 暗視野照明装置
US4706168A (en) * 1985-11-15 1987-11-10 View Engineering, Inc. Systems and methods for illuminating objects for vision systems
JP2512300B2 (ja) * 1986-12-30 1996-07-03 株式会社 ハイロックス 照明装置付き近接撮影用レンズ
US4844576A (en) * 1987-12-28 1989-07-04 Motorola Inc. Light diffuser
JPH01308527A (ja) * 1988-06-07 1989-12-13 Sukara Kk 拡大撮像装置における照明用導光装置
US5325231A (en) * 1991-03-22 1994-06-28 Olympus Optical Co., Ltd. Microscope illuminating apparatus
US5327287A (en) * 1993-03-22 1994-07-05 Atchley Curtis L Light intensifying device
US5820250A (en) * 1995-10-24 1998-10-13 Dolan-Jenner Industries, Inc. Dark field illuminator ringlight adaptor
AT407305B (de) * 1998-07-02 2001-02-26 Photonic Optische Geraete Gmbh Vorsatzoptik
US6749310B2 (en) * 2001-09-07 2004-06-15 Contrast Lighting Services, Inc. Wide area lighting effects system
US7331681B2 (en) 2001-09-07 2008-02-19 Litepanels Llc Lighting apparatus with adjustable lenses or filters
US7604361B2 (en) 2001-09-07 2009-10-20 Litepanels Llc Versatile lighting apparatus and associated kit
DE102004034957A1 (de) 2004-07-16 2006-02-02 Carl Zeiss Jena Gmbh Anordnung zur mikroskopischen Beobachtung und/oder Detektion und Verwendung
GB0919235D0 (en) * 2009-11-03 2009-12-16 De Beers Centenary AG Inclusion detection in polished gemstones
CN106932399B (zh) * 2015-12-30 2020-02-18 上海微电子装备（集团）股份有限公司 一种暗场照明装置及表面缺陷检测装置
CN112345551B (zh) * 2020-11-05 2021-07-30 菲特（天津）检测技术有限公司 一种飞机导管喇叭口内外壁表面缺陷检测方法及系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1427714A (en) * 1919-11-15 1922-08-29 St Mary College Illuminating device for microscopes
US2157437A (en) * 1938-01-25 1939-05-09 Jr Robert M Shipley Dark field illuminator
US2809554A (en) * 1954-07-16 1957-10-15 Zeiss Carl Microscope objective with low magnification for epi-microscopes
US3078764A (en) * 1957-12-13 1963-02-26 Barabas Janos Condenser for increasing the resolving power of microscopes using transmitted light
DE1447189A1 (de) * 1964-09-22 1969-10-16 Jenoptik Jena Gmbh Verfahren und Vorrichtung zur Verbesserung der Trennschaerfe,des Kontrastes und Steigerung des bisher lichtmikroskopisch erreichten Aufloesungsvermoegens von Amplituden-und Phasenstrukturen
DE1622989A1 (de) * 1968-01-08 1971-01-07 Reinert Guido Georg Auflichtmikroskopobjektiv
DE1913711A1 (de) * 1968-03-19 1969-10-09 Olympus Optical Co Beleuchtungssystem fuer optische Instrumente
GB1320671A (en) * 1971-01-01 1973-06-20 Fickers Ltd Incident-light dark ground illumination systems for microscopes
CH564786A5 (nl) * 1973-03-01 1975-07-31 Ciba Geigy Ag
JPS503355A (nl) * 1973-05-11 1975-01-14
DE2331750C3 (de) * 1973-06-22 1978-04-20 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Auflicht-Beleuchtungseinrichtung für wahlweise Hell- und Dunkelfeldbeleuchtung
DE2542075A1 (de) * 1975-09-20 1977-07-21 Leitz Ernst Gmbh Auflicht-beleuchtungseinrichtung fuer hell- und dunkelfeldbeleuchtung
GB1566325A (en) * 1976-02-05 1980-04-30 Dihaco Diamanten Handels Co Process and apparatus for ascertaining data relating to the valuation of gems
DE2852203C3 (de) * 1978-12-02 1982-03-11 Ibm Deutschland Gmbh, 7000 Stuttgart Lichtleiteinrichtung für eine mit Auflicht betriebene Abbildungsvorrichtung
US4160578A (en) * 1978-04-17 1979-07-10 American Optical Corporation Annular reflector for microscope objective
US4259011A (en) * 1979-11-05 1981-03-31 Crumm John C Optical gem analyzer

Also Published As

Publication number Publication date
JPS55140811A (en) 1980-11-04
EP0019309A1 (en) 1980-11-26
US4351584A (en) 1982-09-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOGE RAAD VOOR DIAMANT V.Z.W.

Effective date: 19860430