DE69121651T2 - Katadioptrische Linse mit gleichmässigem Intensitätsprofil - Google Patents

Katadioptrische Linse mit gleichmässigem Intensitätsprofil

Info

Publication number
DE69121651T2
DE69121651T2 DE69121651T DE69121651T DE69121651T2 DE 69121651 T2 DE69121651 T2 DE 69121651T2 DE 69121651 T DE69121651 T DE 69121651T DE 69121651 T DE69121651 T DE 69121651T DE 69121651 T2 DE69121651 T2 DE 69121651T2
Authority
DE
Germany
Prior art keywords
intensity profile
uniform intensity
catadioptric lens
catadioptric
lens
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
DE69121651T
Other languages
English (en)
Other versions
DE69121651D1 (de
Inventor
Kenneth A Aho
John C Nelson
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69121651D1 publication Critical patent/DE69121651D1/de
Application granted granted Critical
Publication of DE69121651T2 publication Critical patent/DE69121651T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Physical Vapour Deposition (AREA)
DE69121651T 1990-07-17 1991-07-15 Katadioptrische Linse mit gleichmässigem Intensitätsprofil Expired - Fee Related DE69121651T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/554,017 US5029060A (en) 1990-07-17 1990-07-17 Uniform intensity profile catadioptric lens

Publications (2)

Publication Number Publication Date
DE69121651D1 DE69121651D1 (de) 1996-10-02
DE69121651T2 true DE69121651T2 (de) 1997-03-27

Family

ID=24211718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121651T Expired - Fee Related DE69121651T2 (de) 1990-07-17 1991-07-15 Katadioptrische Linse mit gleichmässigem Intensitätsprofil

Country Status (7)

Country Link
US (1) US5029060A (de)
EP (1) EP0467608B1 (de)
JP (1) JPH04261502A (de)
KR (1) KR100209848B1 (de)
AU (1) AU8047691A (de)
CA (1) CA2047146A1 (de)
DE (1) DE69121651T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004261B3 (de) * 2004-01-21 2005-09-01 Fresnel Optics Gmbh Anordnung zur gleichmäßigen oder vorgebbaren Beleuchtung von großen Flächen

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150966A (en) * 1990-09-19 1992-09-29 Minnesota Mining And Manufacturing Company Uniform intensity profile catadioptric lens
DE4039291A1 (de) * 1990-12-08 1992-06-11 Minnesota Mining & Mfg Leuchtbox
JP2746017B2 (ja) * 1992-11-09 1998-04-28 株式会社ニレコ 透過光による印刷物の監視装置
GB9323663D0 (en) * 1993-11-17 1994-01-05 Menvier Electronic Eng Ltd Luminates
US5469345A (en) * 1993-12-08 1995-11-21 Diamond Light Industries Low profile flashlight/spotlight
DE19521254A1 (de) * 1994-06-24 1996-01-04 Minnesota Mining & Mfg Anzeigesystem mit Helligkeitsverstärkungsfilm
US5720543A (en) * 1995-07-19 1998-02-24 Diamondlight Industries, Inc. Portable flashlight
US5788357A (en) * 1996-08-28 1998-08-04 K. W. Muth Company, Inc. Mirror assembly
US6045243A (en) * 1996-08-28 2000-04-04 K.W. Muth Company, Inc. Mirror assembly
US6166787A (en) * 1998-03-17 2000-12-26 Motorola, Inc. Optical display device having prismatic film for enhanced viewing
US6285425B1 (en) 1998-06-29 2001-09-04 Motorola, Inc. Ridged reflector for an optical display having a curved and a planar facet for each ridge
US6285426B1 (en) 1998-07-06 2001-09-04 Motorola, Inc. Ridged reflector having optically transmissive properties for an optical display device
US6005724A (en) * 1998-10-05 1999-12-21 K. W. Muth Company, Inc. Mirror coating, mirror utilizing same, and a mirror assembly
US6257746B1 (en) 1998-11-03 2001-07-10 K. W. Muth Company, Inc. Signalling assembly
DE60024526D1 (de) 1999-01-14 2006-01-12 Minnesota Mining & Mfg Lichtstreuender optischer folienmaterial
KR100319016B1 (ko) * 1999-07-12 2002-01-16 손철수 혼합 액체를 이용한 공기 정화 장치 및 방법
US6642840B2 (en) 2000-07-28 2003-11-04 Lang-Mekra North Amicica, Llc Rearview mirror assembly with monitor
DE10036875A1 (de) 2000-07-28 2002-02-28 Mekra Lang Gmbh & Co Kg Rückspiegel, insbesondere für Nutzfahrzeuge mit Kamera und Monitor
DE10215854A1 (de) * 2002-04-10 2003-10-23 Mekra Lang Gmbh & Co Kg In einem Aussenspiegel angeordnete Blinkleuchte, insbesondere für Nutzfahrzeuge
US7008091B2 (en) 2003-12-18 2006-03-07 K.W. Muth Company, Inc. Electromagnetic radiation assembly
US7350925B2 (en) * 2004-09-07 2008-04-01 3M Innovative Properties Company Total internal reflection Fresnel lens and optical system using the same
US7241037B2 (en) * 2005-03-23 2007-07-10 K.W. Muth Company Signaling assembly
US7327321B2 (en) * 2005-06-27 2008-02-05 K.W. Muth Company, Inc. Electromagnetic radiation assembly
US7563004B2 (en) * 2006-01-17 2009-07-21 Acuity Brands, Inc. Volumetric downlight light fixture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2015235A (en) * 1933-11-03 1935-09-24 Holophane Co Inc Prismatic light controlling device and method of making the same
US4081667A (en) * 1976-07-28 1978-03-28 Optical Coating Laboratory, Inc. Lighting fixture having fresnel reflector with high reflection coating thereon
JPH01501904A (ja) * 1987-01-19 1989-06-29 ナウチノ―プロイズボドストベンノエ　オビエディネニエ　ポ　アフトエレクトロニケ　イ　アフトトラクトルノム　エレクトロオボルドバニユ 光信号装置
US4799137A (en) * 1987-03-24 1989-01-17 Minnesota Mining And Manufacturing Company Reflective film
US4989125A (en) * 1988-05-10 1991-01-29 Minnesota Mining And Manufacturing Company Reflector using fresnel-type structures having a plurality of active faces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004261B3 (de) * 2004-01-21 2005-09-01 Fresnel Optics Gmbh Anordnung zur gleichmäßigen oder vorgebbaren Beleuchtung von großen Flächen

Also Published As

Publication number Publication date
CA2047146A1 (en) 1992-01-18
EP0467608B1 (de) 1996-08-28
EP0467608A2 (de) 1992-01-22
DE69121651D1 (de) 1996-10-02
AU8047691A (en) 1992-01-23
EP0467608A3 (en) 1992-04-22
KR100209848B1 (ko) 1999-07-15
KR920002983A (ko) 1992-02-28
US5029060A (en) 1991-07-02
JPH04261502A (ja) 1992-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee