SI9620087A - Trodelno projekcijsko lečje s fiksirnim goriščem za delovne projektorje - Google Patents

Trodelno projekcijsko lečje s fiksirnim goriščem za delovne projektorje Download PDF

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Publication number
SI9620087A
SI9620087A SI9620087A SI9620087A SI9620087A SI 9620087 A SI9620087 A SI 9620087A SI 9620087 A SI9620087 A SI 9620087A SI 9620087 A SI9620087 A SI 9620087A SI 9620087 A SI9620087 A SI 9620087A
Authority
SI
Slovenia
Prior art keywords
lens
elements
lens element
refractive index
abbe
Prior art date
Application number
SI9620087A
Other languages
English (en)
Slovenian (sl)
Inventor
Stephen K. Eckhardt
Original Assignee
Minnesota Mining And Manufacturing Company
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 Minnesota Mining And Manufacturing Company filed Critical Minnesota Mining And Manufacturing Company
Publication of SI9620087A publication Critical patent/SI9620087A/sl

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
    • G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
SI9620087A 1995-06-29 1996-05-09 Trodelno projekcijsko lečje s fiksirnim goriščem za delovne projektorje SI9620087A (sl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/496,773 US5596455A (en) 1995-06-29 1995-06-29 Fixed-focus triplet projection lens for overhead projectors
PCT/US1996/006623 WO1997001786A1 (fr) 1995-06-29 1996-05-09 Objectif de projection triplet a focale fixe pour retroprojecteurs

Publications (1)

Publication Number Publication Date
SI9620087A true SI9620087A (sl) 1998-04-30

Family

ID=23974074

Family Applications (1)

Application Number Title Priority Date Filing Date
SI9620087A SI9620087A (sl) 1995-06-29 1996-05-09 Trodelno projekcijsko lečje s fiksirnim goriščem za delovne projektorje

Country Status (8)

Country Link
US (1) US5596455A (fr)
EP (1) EP0835473B1 (fr)
JP (1) JPH11508700A (fr)
KR (1) KR100433136B1 (fr)
DE (1) DE69629301T2 (fr)
ES (1) ES2203700T3 (fr)
SI (1) SI9620087A (fr)
WO (1) WO1997001786A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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JPH11212022A (ja) * 1998-01-28 1999-08-06 Nec Corp 映像投射装置
KR100567080B1 (ko) * 1998-07-03 2006-03-31 세끼노스 가부시키가이샤 투영렌즈장치
US7035023B2 (en) * 2003-04-24 2006-04-25 Canon Kabushiki Kaisha Lens system
US20050078383A1 (en) * 2003-10-08 2005-04-14 Jones Edward L. Plastic, thermally stable, laser diode coupler
US20070268460A1 (en) * 2006-05-22 2007-11-22 Clark Stephan R Lens assembly in an offset projection system
TW200641299A (en) * 2006-08-08 2006-12-01 Camdeor Technology Co Ltd Infrared laser diffuse apparatus
TWI548894B (zh) 2015-02-04 2016-09-11 大立光電股份有限公司 光學透鏡組及取像裝置
US10146050B1 (en) * 2015-12-11 2018-12-04 Fathom Imaging Inc. Underwater imaging systems having panoramic converters
CN107632388B (zh) * 2017-10-24 2024-04-02 歌尔光学科技有限公司 目镜及头戴显示设备
US11137573B2 (en) 2017-12-13 2021-10-05 Zhejiang Sunny Optical Co., Ltd. Projection lens assembly
CN108279485A (zh) * 2018-03-09 2018-07-13 浙江舜宇光学有限公司 投影镜头
CN111853699B (zh) * 2020-08-28 2021-02-12 广东烨嘉光电科技股份有限公司 一种大孔径的三片式透镜光学镜头

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Also Published As

Publication number Publication date
ES2203700T3 (es) 2004-04-16
WO1997001786A1 (fr) 1997-01-16
DE69629301T2 (de) 2004-04-22
KR19990028476A (ko) 1999-04-15
KR100433136B1 (ko) 2004-11-03
DE69629301D1 (de) 2003-09-04
EP0835473B1 (fr) 2003-07-30
US5596455A (en) 1997-01-21
JPH11508700A (ja) 1999-07-27
EP0835473A1 (fr) 1998-04-15

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IF Valid on the event date
KO00 Lapse of patent

Effective date: 20060414