JPH0375963B2 - - Google Patents
Info
- Publication number
- JPH0375963B2 JPH0375963B2 JP60252962A JP25296285A JPH0375963B2 JP H0375963 B2 JPH0375963 B2 JP H0375963B2 JP 60252962 A JP60252962 A JP 60252962A JP 25296285 A JP25296285 A JP 25296285A JP H0375963 B2 JPH0375963 B2 JP H0375963B2
- Authority
- JP
- Japan
- Prior art keywords
- prism
- glare
- prisms
- light
- screen
- 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 - Lifetime
Links
- 230000004313 glare Effects 0.000 claims abstract description 27
- 238000005286 illumination Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- F21V5/02—Refractors for light sources of prismatic shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Optical Elements Other Than Lenses (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8504325.7 | 1985-02-13 | ||
DE8504325U DE8504325U1 (de) | 1985-02-13 | 1985-02-13 | Einrichtung zum Entblenden von großflächigen Leuchtmitteln |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61188805A JPS61188805A (ja) | 1986-08-22 |
JPH0375963B2 true JPH0375963B2 (US20080094685A1-20080424-C00004.png) | 1991-12-04 |
Family
ID=6777502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60252962A Granted JPS61188805A (ja) | 1985-02-13 | 1985-11-13 | グレア除去装置 |
Country Status (6)
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972338A (en) * | 1985-06-13 | 1990-11-20 | Intel Corporation | Memory management for microprocessor system |
US4961622A (en) * | 1988-02-25 | 1990-10-09 | University Of Houston - University Park | Optical coupler and refractive lamp |
US4922394A (en) * | 1988-10-20 | 1990-05-01 | Liu C H | Glass desk lamp |
US4969075A (en) * | 1989-05-05 | 1990-11-06 | Steelcase Inc. | Low-glare light |
DE9104995U1 (de) * | 1991-04-23 | 1991-06-27 | Siemens AG, 8000 München | Direktleuchte |
SE503306C2 (sv) * | 1994-03-16 | 1996-05-13 | Itab Ind Ab | Belysningsanordning |
US5440467A (en) * | 1994-04-22 | 1995-08-08 | Steelcase Inc. | Task light |
US5636057A (en) * | 1995-02-10 | 1997-06-03 | Ecolux Inc. | Prismatic toroidal lens and traffic signal light using this lens |
JPH1097213A (ja) * | 1996-09-25 | 1998-04-14 | Matsushita Electric Works Ltd | フラッシュ型呼出チャイム |
US6570505B1 (en) | 1997-12-30 | 2003-05-27 | Gelcore Llc | LED lamp with a fault-indicating impedance-changing circuit |
JP3104870B2 (ja) * | 1998-01-29 | 2000-10-30 | スタンレー電気株式会社 | 自動車用ランプ |
US6915039B2 (en) * | 2002-11-05 | 2005-07-05 | Federal-Mogul World Wide, Inc. | Light collectors with angled input surfaces for use in an illumination system |
EP1649212B1 (de) * | 2003-07-24 | 2007-01-17 | Johannes Jungel-Schmid | Raumleuchteneinrichtung |
DE102005047746A1 (de) | 2005-09-28 | 2007-05-24 | Semperlux Ag - Lichttechnische Werke - | Anordnung zum gezielten Entblenden von Außenleuchten in vertikaler und horizontaler Achse |
US7527399B2 (en) * | 2007-05-14 | 2009-05-05 | Thomas Feiereisen | Self-contained full light cut-off light pollution-free bulb |
CN101800011B (zh) * | 2010-04-07 | 2014-04-30 | 海洋王照明科技股份有限公司 | 一种通路标示装置 |
DE102019103855B4 (de) | 2019-02-15 | 2021-09-30 | Lisa Dräxlmaier GmbH | Fahrzeuginterieur-Beleuchtungsvorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4811754U (US20080094685A1-20080424-C00004.png) * | 1971-06-21 | 1973-02-09 | ||
JPS5133747U (US20080094685A1-20080424-C00004.png) * | 1973-09-28 | 1976-03-12 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US616400A (en) * | 1898-12-20 | Eemy burger | ||
US1596161A (en) * | 1924-10-21 | 1926-08-17 | Holophane Glass Company | Luminaire |
GB256197A (en) * | 1925-07-29 | 1926-10-28 | Charles Gaston Picard | Improvements in headlights for automobiles and like vehicles |
US2003804A (en) * | 1932-07-21 | 1935-06-04 | Gen Motors Corp | Lens |
GB429340A (en) * | 1933-08-25 | 1935-05-27 | Andries Carl Cilliers | Optical device suitable for selectively transmitting non-parallel light rays |
US2015235A (en) * | 1933-11-03 | 1935-09-24 | Holophane Co Inc | Prismatic light controlling device and method of making the same |
CH186375A (de) * | 1935-05-03 | 1936-09-15 | Foltzer Joseph | Glasreflektor an Lampen. |
US3113728A (en) * | 1960-06-24 | 1963-12-10 | Owens Illinois Glass Co | Artificial light and daylighting structure |
US3371201A (en) * | 1964-12-16 | 1968-02-27 | Joslyn Mfg & Supply Co | Luminaire |
GB1209377A (en) * | 1968-07-31 | 1970-10-21 | Ignacio Goytisolo Taltavull | Lighting fitting |
US3988609A (en) * | 1975-03-14 | 1976-10-26 | K-S-H, Inc. | Lighting panel and luminaire using it |
US4118763A (en) * | 1976-04-12 | 1978-10-03 | General Electric Company | Variable transmission prismatic refractors |
AU2183677A (en) * | 1977-02-01 | 1978-08-10 | Shemitz S R | Lighting system |
US4233651A (en) * | 1978-03-30 | 1980-11-11 | Keene Corporation | Work area lighting system |
US4462068A (en) * | 1982-06-24 | 1984-07-24 | Manville Service Corporation | Luminaire with improved lens structure |
-
1985
- 1985-02-13 DE DE8504325U patent/DE8504325U1/de not_active Expired
- 1985-10-04 DE DE8585730137T patent/DE3579806D1/de not_active Expired - Lifetime
- 1985-10-04 AT AT85730137T patent/ATE56804T1/de not_active IP Right Cessation
- 1985-10-04 EP EP85730137A patent/EP0191264B2/de not_active Expired - Lifetime
- 1985-11-08 US US06/796,581 patent/US4669034A/en not_active Expired - Lifetime
- 1985-11-13 JP JP60252962A patent/JPS61188805A/ja active Granted
- 1985-11-18 AU AU50017/85A patent/AU578326B2/en not_active Ceased
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4811754U (US20080094685A1-20080424-C00004.png) * | 1971-06-21 | 1973-02-09 | ||
JPS5133747U (US20080094685A1-20080424-C00004.png) * | 1973-09-28 | 1976-03-12 |
Also Published As
Publication number | Publication date |
---|---|
EP0191264A3 (en) | 1988-07-13 |
EP0191264A2 (de) | 1986-08-20 |
EP0191264B1 (de) | 1990-09-19 |
AU5001785A (en) | 1986-08-21 |
US4669034A (en) | 1987-05-26 |
EP0191264B2 (de) | 1993-10-06 |
AU578326B2 (en) | 1988-10-20 |
DE3579806D1 (de) | 1990-10-25 |
JPS61188805A (ja) | 1986-08-22 |
ATE56804T1 (de) | 1990-10-15 |
DE8504325U1 (de) | 1985-07-04 |
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