JPH0489907U - - Google Patents
Info
- Publication number
- JPH0489907U JPH0489907U JP1991075401U JP7540191U JPH0489907U JP H0489907 U JPH0489907 U JP H0489907U JP 1991075401 U JP1991075401 U JP 1991075401U JP 7540191 U JP7540191 U JP 7540191U JP H0489907 U JPH0489907 U JP H0489907U
- Authority
- JP
- Japan
- 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.)
- Pending
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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/585,308 US5150966A (en) | 1990-09-19 | 1990-09-19 | Uniform intensity profile catadioptric lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0489907U true JPH0489907U (ja) | 1992-08-05 |
Family
ID=24340889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991075401U Pending JPH0489907U (ja) | 1990-09-19 | 1991-09-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5150966A (ja) |
| EP (1) | EP0476893B1 (ja) |
| JP (1) | JPH0489907U (ja) |
| CA (1) | CA2049504A1 (ja) |
| DE (1) | DE69117630T2 (ja) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5655832A (en) * | 1992-04-16 | 1997-08-12 | Tir Technologies, Inc. | Multiple wavelength light processor |
| US5676453A (en) * | 1992-04-16 | 1997-10-14 | Tir Technologies, Inc. | Collimating TIR lens devices employing fluorescent light sources |
| US5404869A (en) * | 1992-04-16 | 1995-04-11 | Tir Technologies, Inc. | Faceted totally internally reflecting lens with individually curved faces on facets |
| US5806955A (en) * | 1992-04-16 | 1998-09-15 | Tir Technologies, Inc. | TIR lens for waveguide injection |
| US5296882A (en) * | 1992-12-21 | 1994-03-22 | Minnesota Mining And Manufacturing Company | Overhead projector with catadioptric fresnel lens |
| US5317349A (en) * | 1993-06-29 | 1994-05-31 | Minnesota Mining And Manufacturing Company | Overhead projector with achromatic fresnel lens |
| US5469345A (en) * | 1993-12-08 | 1995-11-21 | Diamond Light Industries | Low profile flashlight/spotlight |
| US5506929A (en) * | 1994-10-19 | 1996-04-09 | Clio Technologies, Inc. | Light expanding system for producing a linear or planar light beam from a point-like light source |
| US5720543A (en) * | 1995-07-19 | 1998-02-24 | Diamondlight Industries, Inc. | Portable flashlight |
| US5677972A (en) * | 1996-02-21 | 1997-10-14 | Tir Technologies, Inc. | High efficiency direct coupling of radiant electromagnetic energy into dielectric wave guide structure |
| US5721795A (en) * | 1996-05-17 | 1998-02-24 | Tir Technologies, Inc. | High efficiency ejection of light from optical wave guide, by holographically produced light scattering means |
| US6177761B1 (en) | 1996-07-17 | 2001-01-23 | Teledyne Lighting And Display Products, Inc. | LED with light extractor |
| US6045243A (en) * | 1996-08-28 | 2000-04-04 | K.W. Muth Company, Inc. | Mirror assembly |
| US5788357A (en) * | 1996-08-28 | 1998-08-04 | K. W. Muth Company, Inc. | Mirror assembly |
| DE69829918D1 (de) * | 1997-07-23 | 2005-06-02 | Corning Inc | Lampenkolben mit integrierter Optik |
| US6062710A (en) * | 1998-06-04 | 2000-05-16 | Lighten Up Trading Company, Inc. | Light fixture with at least one lens or reflector as image magnifier and a diffuser for reducing glare |
| 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 |
| EP1064570B1 (en) | 1999-01-14 | 2005-12-07 | Minnesota Mining And Manufacturing Company | Optical sheets suitable for spreading light |
| DE10036875A1 (de) | 2000-07-28 | 2002-02-28 | Mekra Lang Gmbh & Co Kg | Rückspiegel, insbesondere für Nutzfahrzeuge mit Kamera und Monitor |
| US6642840B2 (en) | 2000-07-28 | 2003-11-04 | Lang-Mekra North Amicica, Llc | Rearview mirror assembly with 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 |
| US20100006088A1 (en) * | 2008-07-14 | 2010-01-14 | Robert Owen Campbell | Tracking Concentrator Employing Inverted Off-Axis Optics and Method |
| CN102679265B (zh) * | 2011-03-17 | 2014-04-09 | 中国科学院微电子研究所 | 一种利用自由曲面透镜实现光束匀光控制的方法 |
| US9065026B2 (en) | 2013-08-07 | 2015-06-23 | GE Lighting Solutions, LLC | Lens element for distributing light with a uniform intensity distribution and lighting device comprised thereof |
| US12210171B2 (en) | 2020-12-17 | 2025-01-28 | Waymo Llc | Combined collimation and diffuser lens for flood illuminator |
| US12085732B1 (en) | 2020-12-17 | 2024-09-10 | Waymo Llc | Combined collimation and diffuser lens for flood illuminator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158367A (ja) * | 1984-12-29 | 1986-07-18 | シャープ株式会社 | 照明装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB294069A (en) * | 1928-01-12 | 1928-07-19 | Holophane Sa | Improved lamp glass or reflector |
| US3671101A (en) * | 1969-07-25 | 1972-06-20 | Dan M Finch | Light control material |
| CA1293880C (en) * | 1986-04-02 | 1992-01-07 | John C. Nelson | Lens |
| US4755921A (en) * | 1986-04-02 | 1988-07-05 | Minnesota Mining And Manufacturing Company | Lens |
| US4799137A (en) * | 1987-03-24 | 1989-01-17 | Minnesota Mining And Manufacturing Company | Reflective film |
| US4874228A (en) * | 1987-03-24 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Back-lit display |
| US4927248A (en) * | 1988-04-08 | 1990-05-22 | Koito Manufacturing Co., Ltd. | Vehicle lamp lens having Fresnel lens |
| US4989125A (en) * | 1988-05-10 | 1991-01-29 | Minnesota Mining And Manufacturing Company | Reflector using fresnel-type structures having a plurality of active faces |
| US5029060A (en) * | 1990-07-17 | 1991-07-02 | Minnesota Mining And Manufacturing Company | Uniform intensity profile catadioptric lens |
-
1990
- 1990-09-19 US US07/585,308 patent/US5150966A/en not_active Expired - Lifetime
-
1991
- 1991-08-19 CA CA002049504A patent/CA2049504A1/en not_active Abandoned
- 1991-09-06 EP EP91308181A patent/EP0476893B1/en not_active Expired - Lifetime
- 1991-09-06 DE DE69117630T patent/DE69117630T2/de not_active Expired - Fee Related
- 1991-09-19 JP JP1991075401U patent/JPH0489907U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158367A (ja) * | 1984-12-29 | 1986-07-18 | シャープ株式会社 | 照明装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2049504A1 (en) | 1992-03-20 |
| DE69117630D1 (de) | 1996-04-11 |
| US5150966A (en) | 1992-09-29 |
| EP0476893A1 (en) | 1992-03-25 |
| EP0476893B1 (en) | 1996-03-06 |
| DE69117630T2 (de) | 1996-10-31 |