CA948607A - Prismatic lens for lighting fixture - Google Patents

Prismatic lens for lighting fixture

Info

Publication number
CA948607A
CA948607A CA148,817A CA148817A CA948607A CA 948607 A CA948607 A CA 948607A CA 148817 A CA148817 A CA 148817A CA 948607 A CA948607 A CA 948607A
Authority
CA
Canada
Prior art keywords
lighting fixture
prismatic lens
prismatic
lens
fixture
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
Application number
CA148,817A
Other versions
CA148817S (en
Inventor
Leo G. Stahlhut
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.)
Emerson Electric Co
Original Assignee
Emerson Electric 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 Emerson Electric Co filed Critical Emerson Electric Co
Application granted granted Critical
Publication of CA948607A publication Critical patent/CA948607A/en
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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CA148,817A 1971-08-05 1972-08-04 Prismatic lens for lighting fixture Expired CA948607A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA948607A true CA948607A (en) 1974-06-04

Family

ID=22615098

Family Applications (1)

Application Number Title Priority Date Filing Date
CA148,817A Expired CA948607A (en) 1971-08-05 1972-08-04 Prismatic lens for lighting fixture

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)

Families Citing this family (37)

* 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
US6845212B2 (en) 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
US7046905B1 (en) 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
DE19955435C1 (en) * 1999-11-18 2001-08-09 Lid Light Design Dr Ottokar Sc Anti-glare element for elongated illuminants
US7837361B2 (en) * 2000-07-14 2010-11-23 Ledalite Architectural Products Light control devices implemented with diffusers having controllable diffusion characteristics
WO2002008799A2 (en) * 2000-07-14 2002-01-31 Ledalite Architectural Products Inc. Light control devices with kinoform diffusers
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
JP5178523B2 (en) * 2005-11-14 2013-04-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Thin and highly efficient optical collimation device
CN101784836B (en) * 2007-04-10 2012-07-04 飞利浦电子公司 Light control device exhibiting batwing luminous intensity distributions in upper and lower hemispheres
CN101393278A (en) * 2007-09-17 2009-03-25 鸿富锦精密工业（深圳）有限公司 Back light module unit and prismatic lens thereof
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
US10302275B2 (en) 2013-06-19 2019-05-28 Bright View Technologies Corporation Microstructure-based diffusers for creating batwing lighting patterns
US10072816B2 (en) 2013-06-19 2018-09-11 Bright View Technologies Corporation Microstructure-based optical diffusers for creating batwing and other 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
WO2015184456A1 (en) * 2014-05-30 2015-12-03 Osram Sylvania Inc. Light control films and lighting devices including same
US10267489B2 (en) * 2015-12-22 2019-04-23 Citizen Electronics Co., Ltd. Light-emitting apparatus
KR102578775B1 (en) * 2021-05-26 2023-09-15 (주)에프비지코리아 Temperature sensing apparatus using fiber bragg grating sensor

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

Also Published As

Publication number Publication date
FR2148287B1 (en) 1975-09-12
ZA725307B (en) 1973-04-25
ES405592A1 (en) 1975-08-01
FR2148287A1 (en) 1973-03-11
US3735124A (en) 1973-05-22
GB1340645A (en) 1973-12-12
AU4489372A (en) 1974-01-31
BE787114A (en) 1973-02-05
IT965964B (en) 1974-02-11
DE2238589A1 (en) 1973-02-22
BR7205263D0 (en) 1973-06-05
DE2238589B2 (en) 1978-08-10
JPS4826148A (en) 1973-04-05
JPS5144355B2 (en) 1976-11-27
AU452989B2 (en) 1974-09-19
ATA670872A (en) 1975-12-15
SE385401B (en) 1976-06-28
NL155088B (en) 1977-11-15
NL7210615A (en) 1973-02-07
AT331916B (en) 1976-08-25
DE2238589C3 (en) 1979-04-12

Similar Documents

Publication Publication Date Title
AU452989B2 (en) Prismatic lens for lighting fixture
CA1009634A (en) Lighting fixture lens
CA981231A (en) Lighting fixture
CA931543A (en) Light fixtures
CA973525A (en) Light fixture
CA950428A (en) Lighting fixture unit
CA879892A (en) Lighting fixture for illuminating planar surfaces
CA954489A (en) Floodlight reflector retaining means
CA988063A (en) Floodlight reflector retaining means
CA952866A (en) Light bulb carton holder
AU477731B2 (en) Lighting fixture lens
CA867211A (en) Lighting fixture
CA887251A (en) Lighting fixture
CA861342A (en) Lighting fixture
AU456191B2 (en) Luminaires utilizing high intensity light sources
CA927807A (en) Lighting fixtures
CA973524A (en) Recessed light fixture
CA931542A (en) Luminaire reflector
CA882884A (en) Fluorescent lamp with integral lens
CA902020A (en) Light fixture
CA900926A (en) Light fixture
CA893274A (en) Light fixture
CA895510A (en) Light fixture
CA895509A (en) Light fixture
CA821387A (en) Reflector for luminaire