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JPS5144355B2 - - Google Patents
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JPS5144355B2 - - Google Patents

Info

Publication number
JPS5144355B2
JPS5144355B2 JP47078242A JP7824272A JPS5144355B2 JP S5144355 B2 JPS5144355 B2 JP S5144355B2 JP 47078242 A JP47078242 A JP 47078242A JP 7824272 A JP7824272 A JP 7824272A JP S5144355 B2 JPS5144355 B2 JP S5144355B2
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.)
Expired
Application number
JP47078242A
Other languages
Japanese (ja)
Other versions
JPS4826148A (en
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 filed Critical
Publication of JPS4826148A publication Critical patent/JPS4826148A/ja
Publication of JPS5144355B2 publication Critical patent/JPS5144355B2/ja
Expired 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
    • F21V5/00—Refractors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP47078242A 1971-08-05 1972-08-04 Expired JPS5144355B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16930371A 1971-08-05 1971-08-05

Publications (2)

Publication Number Publication Date
JPS4826148A JPS4826148A (en) 1973-04-05
JPS5144355B2 true JPS5144355B2 (en) 1976-11-27

Family

ID=22615098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47078242A Expired JPS5144355B2 (en) 1971-08-05 1972-08-04

Country Status (15)

Country Link
US (1) US3735124A (en)
JP (1) JPS5144355B2 (en)
AT (1) AT331916B (en)
AU (1) AU452989B2 (en)
BE (1) BE787114A (en)
BR (1) BR7205263D0 (en)
CA (1) CA948607A (en)
DE (1) DE2238589C3 (en)
ES (1) ES405592A1 (en)
FR (1) FR2148287B1 (en)
GB (1) GB1340645A (en)
IT (1) IT965964B (en)
NL (1) NL155088B (en)
SE (1) SE385401B (en)
ZA (1) ZA725307B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003515239A (en) * 1999-11-18 2003-04-22 エル アイ ディー ライト デザイン Anti-glare transparent screen for light emitter
KR20220159810A (en) * 2021-05-26 2022-12-05 (주)에프비지코리아 Temperature sensing apparatus using fiber bragg grating sensor

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866036A (en) * 1974-04-16 1975-02-11 Ignacio Goytisolo Taltavull Fluorescent fixture with optical device
CA1066250A (en) * 1974-06-18 1979-11-13 Thomas W. Dey Lighting panel for use with collimated light
US4004145A (en) * 1975-02-24 1977-01-18 Ignacio Goytisolo Taltavull Nil-luminance lighting panel
US3978332A (en) * 1975-07-14 1976-08-31 Ignacio Goytisolo Taltavull Lighting apparatus with batwing light distribution
JPS5255689U (en) * 1975-10-20 1977-04-21
US4118763A (en) * 1976-04-12 1978-10-03 General Electric Company Variable transmission prismatic refractors
FR2480405A1 (en) * 1980-04-14 1981-10-16 Allibert Exploitation LIGHT DIFFUSER
US4450509A (en) * 1982-08-17 1984-05-22 Thorn Emi Plc Lanterns for area lighting
US4703405A (en) * 1986-07-17 1987-10-27 Ian Lewin Glare reducing lens
DE9315199U1 (en) * 1993-10-08 1995-02-09 Trilux-Lenze Gmbh + Co Kg, 59759 Arnsberg lamp
US5541825A (en) * 1994-08-31 1996-07-30 Hughes Aircraft Company Dual image CHMSLs without holography
IT1289716B1 (en) * 1996-12-05 1998-10-16 Fiat Ricerche LIGHTING DEVICE SUITABLE TO GENERATE A RECTANGULAR PATTERN IN THE WORKING AREA, FOR EXAMPLE FOR THE LIGHTING OF STRIPS
US6033094A (en) * 1997-10-02 2000-03-07 Fresnel Technologies, Inc. Microlens array for improved illumination patterns
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
US7046905B1 (en) * 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
US6845212B2 (en) 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
EP2270557A1 (en) * 2000-07-14 2011-01-05 Ledalite Architectural Products Light control devices with kinoform diffusers
US7837361B2 (en) * 2000-07-14 2010-11-23 Ledalite Architectural Products Light control devices implemented with diffusers having controllable diffusion characteristics
RU2204081C2 (en) * 2000-07-21 2003-05-10 Закрытое акционерное общество "Интрансс" Diffusing filter
ITMI20011368A1 (en) * 2001-06-28 2002-12-28 Sirrah S R L PROCEDURE FOR THE PRODUCTION OF DIFFUSION SCREENS FOR LIGHTING EQUIPMENT AND DIFFUSER SCREEN SO OBTAINED
DE10242441A1 (en) * 2002-09-11 2004-04-01 Erco Leuchten Gmbh lamp
US7187505B2 (en) * 2002-10-07 2007-03-06 Fresnel Technologies, Inc. Imaging lens for infrared cameras
GB2408846A (en) * 2003-12-02 2005-06-08 Sung Tao Ho LED lamp tube
JP4499519B2 (en) * 2004-07-12 2010-07-07 大日本印刷株式会社 Diffusion sheet, surface light source device, transmissive display device
CN101310143B (en) * 2005-11-14 2010-05-19 皇家飞利浦电子股份有限公司 Thin and high-efficiency light collimation equipment
JP5179565B2 (en) * 2007-04-10 2013-04-10 レダライト アーキテクチュラル プロダクツ，インコーポレイテッド Light control device exhibiting batwing light intensity distribution in upper and lower ranges
CN101393278A (en) * 2007-09-17 2009-03-25 鸿富锦精密工业（深圳）有限公司 Backlight module and its prism sheet
CN101424384B (en) * 2007-10-31 2011-05-04 富士迈半导体精密工业（上海）有限公司 Light shield and illuminating apparatus employing the light shield
WO2010010494A1 (en) * 2008-07-24 2010-01-28 Koninklijke Philips Electronics N.V. Luminaire device with several lighting units
EP3011372B1 (en) 2013-06-19 2021-12-08 Bright View Technologies Corporation Microstructure-based optical diffuser for creating batwing patterns and method for its manufacture
US10302275B2 (en) 2013-06-19 2019-05-28 Bright View Technologies Corporation Microstructure-based diffusers for creating batwing lighting patterns
DE202013105863U1 (en) * 2013-12-20 2015-03-24 Zumtobel Lighting Gmbh Arrangement for fading out the light output
TW201545384A (en) * 2014-05-29 2015-12-01 國立交通大學 Optical film and light source module
US20170114983A1 (en) * 2014-05-30 2017-04-27 Osram Sylvania Inc. Hybrid optical systems including flexible optical systems and light control films
US10267489B2 (en) * 2015-12-22 2019-04-23 Citizen Electronics Co., Ltd. Light-emitting apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US593045A (en) * 1897-11-02 Light-tran-smitter
GB190908324A (en) * 1908-10-14 1909-09-30 Otis Angelo Mygatt Improved Glassware.
GB620639A (en) * 1947-01-24 1949-03-28 Holophane Sa Improvements in and relating to light controlling devices
US3234376A (en) * 1963-02-11 1966-02-08 Michael J Ceglia Glare-free lighting fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003515239A (en) * 1999-11-18 2003-04-22 エル アイ ディー ライト デザイン Anti-glare transparent screen for light emitter
KR20220159810A (en) * 2021-05-26 2022-12-05 (주)에프비지코리아 Temperature sensing apparatus using fiber bragg grating sensor

Also Published As

Publication number Publication date
AU452989B2 (en) 1974-09-19
AU4489372A (en) 1974-01-31
CA948607A (en) 1974-06-04
AT331916B (en) 1976-08-25
NL7210615A (en) 1973-02-07
NL155088B (en) 1977-11-15
JPS4826148A (en) 1973-04-05
ATA670872A (en) 1975-12-15
BR7205263D0 (en) 1973-06-05
SE385401B (en) 1976-06-28
FR2148287A1 (en) 1973-03-11
ES405592A1 (en) 1975-08-01
FR2148287B1 (en) 1975-09-12
ZA725307B (en) 1973-04-25
DE2238589B2 (en) 1978-08-10
GB1340645A (en) 1973-12-12
BE787114A (en) 1973-02-05
IT965964B (en) 1974-02-11
US3735124A (en) 1973-05-22
DE2238589C3 (en) 1979-04-12
DE2238589A1 (en) 1973-02-22

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