GB1363244A - Concave reflectors - Google Patents

Concave reflectors

Info

Publication number
GB1363244A
GB1363244A GB4123371A GB4123371A GB1363244A GB 1363244 A GB1363244 A GB 1363244A GB 4123371 A GB4123371 A GB 4123371A GB 4123371 A GB4123371 A GB 4123371A GB 1363244 A GB1363244 A GB 1363244A
Authority
GB
United Kingdom
Prior art keywords
section
reflectors
plane
nadir
degrees
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
GB4123371A
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.)
SHEMITZ ASSOCIATES Inc SYLVAN
Original Assignee
SHEMITZ ASSOCIATES Inc SYLVAN
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 SHEMITZ ASSOCIATES Inc SYLVAN filed Critical SHEMITZ ASSOCIATES Inc SYLVAN
Publication of GB1363244A publication Critical patent/GB1363244A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

1363244 Reflectors SILVAN R SHEMITZ & ASSOCIATES Inc 3 Sept 1971 [3 Sept 1970] 41233/71 Heading F4R A concave reflector for producing constant magnitude of illumination over a plane surface 33 comprises a parabolic section 13 and an elliptical section 15, the first focal point F 1 of section 15 lying on the axis 37 of section 13, the second focal point F 2 lying outside a closure formed by the sections 13 and 15 and a plane PP<SP>1</SP> extending across the outward edges of the sections, the axis 37 lying between 45 and 90 degrees from the nadir, and the major axis of section 15 being between 5 and 45 degrees from the nadir. The light source 27 is placed at F 1 , and plane reflectors 19, 21 may be used to produce illumination from nadir to 65 degrees. A reflector 17 of general curvature may be placed between sections 13 and 15, and gaps 23, 25, 26 may be used for convection cooling. In an alternative embodiment, a further parabolic reflector may be used, together with rearranged plane reflectors. The source 27 may be a gaseous discharge lamp or a halogen lamp, the reflectors being of glass, aluminium or stainless steel.
GB4123371A 1970-09-03 1971-09-03 Concave reflectors Expired GB1363244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6934470A 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
GB1363244A true GB1363244A (en) 1974-08-14

Family

ID=22088341

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4123371A Expired GB1363244A (en) 1970-09-03 1971-09-03 Concave reflectors

Country Status (6)

Country Link
US (1) US3679893A (en)
JP (1) JPS5224354B1 (en)
CA (1) CA930343A (en)
DE (1) DE2144300C3 (en)
FR (1) FR2107192A5 (en)
GB (1) GB1363244A (en)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983039A (en) * 1975-03-03 1976-09-28 Fusion Systems Corporation Non-symmetrical reflector for ultraviolet curing
DE2537855A1 (en) * 1975-08-26 1977-03-10 Friedrich Wolff DEVICE FOR FLAT UV RADIATION
US4027151A (en) * 1975-11-18 1977-05-31 Crouse-Hinds Company Luminaire and reflector therefor
US4041306A (en) * 1975-12-15 1977-08-09 Kim Lighting, Inc. Luminaire and reflector therefor
US4078169A (en) * 1976-08-23 1978-03-07 Armstrong J Delvin Apparatus for promoting plant growth with artificial light
US4298916A (en) * 1977-04-01 1981-11-03 Shemitz Sylvan R Lighting system with baffle
US4242725A (en) * 1977-12-01 1980-12-30 Sun Chemical Corporation Light reflector structure
US4229779A (en) * 1978-05-19 1980-10-21 International Telephone And Telegraph Corporation Luminaire with arcuate reflector
US4308573A (en) * 1978-06-12 1981-12-29 Esquire, Inc. Lamp fixture including diffused low angle reflective surfaces
US4351475A (en) * 1980-06-24 1982-09-28 Hudson James W Environmental control room dividers
US4504894A (en) * 1980-11-13 1985-03-12 Whiteway Manufacturing Co. Lighting unit for providing indirect light
US4379322A (en) * 1981-03-27 1983-04-05 Mcgraw-Edison Company Compound reflector for luminaire
FR2580782B1 (en) * 1985-04-22 1987-07-10 Cibie Projecteurs ROAD PROJECTOR FOR A MOTOR VEHICLE INCORPORATING AN ELLIPTICAL REFLECTOR AND A PARABOLIC REFLECTOR
AT385343B (en) * 1986-03-14 1988-03-25 Bartenbach Christian LAMP
US5032958A (en) * 1990-04-24 1991-07-16 Harwood Ronald P Cornice lighting system
US5075827A (en) * 1990-10-31 1991-12-24 Smith David H Indirect light fixture amplification reflector system
US5278737A (en) * 1991-11-06 1994-01-11 Visa Lighting Corporation Wall and ceiling lighting unit
US20020031563A1 (en) * 1992-09-30 2002-03-14 Hodge Thomas W. Method of inhibiting tumor necrosis factor
US5530628A (en) * 1993-04-05 1996-06-25 Peerless Lighting Corporation Task light
US5971569A (en) * 1997-06-11 1999-10-26 Steris Corporation Surgical light with stacked elliptical reflector
US5971571A (en) * 1997-09-08 1999-10-26 Winona Lighting Studio, Inc. Concave light reflector device
US6386723B1 (en) 1999-02-25 2002-05-14 Steelcase Development Corporation Tasklight for workspaces and the like
US6222495B1 (en) * 2000-02-25 2001-04-24 Channel Master Llc Multi-beam antenna
EP1225390B1 (en) * 2001-01-19 2005-09-14 BÄ*RO GmbH & Co. KG Interior lamp, in particular for illuminating good displays
US6793372B2 (en) * 2002-09-03 2004-09-21 Guide Corporation Multiple reflector indirect light source lamp
CA2526865C (en) 2004-03-29 2012-03-20 Sylvan R. Shemitz Designs, Inc. Four segment reflector
FR2880315B1 (en) * 2004-12-31 2007-02-23 Peugeot Citroen Automobiles Sa INTERIOR LIGHTING DEVICE OF A HABITACLE OF A MOTOR VEHICLE WITH A DISTRIBUTION OF LUMINOUS FLUX
US7585096B2 (en) * 2005-05-18 2009-09-08 Visteon Global Technologies, Inc. Compound trough reflector for LED light sources
DE202005008242U1 (en) * 2005-05-23 2005-09-22 Hoffmeister Leuchten Gmbh Electric light used as floor lighting comprises a reflector arranged in a housing close to the base with the reflector surface formed as an asymmetric sink so that light beams exit an opening in an asymmetric manner
US7265365B2 (en) * 2005-05-24 2007-09-04 Dubois Equipment Company, Inc. Apparatus for curing a coating on a three-dimensional object
US8317367B2 (en) * 2007-05-07 2012-11-27 Illumination Optics Inc. Solid state optical system
DE102007044963B4 (en) * 2007-07-26 2013-03-28 Erco Gmbh lamp
EP2019255A3 (en) * 2007-07-26 2013-03-20 ERCO GmbH Lamp for illumination a surface in a building
US20090201693A1 (en) * 2008-02-13 2009-08-13 Jeyachandrabose Chinniah Split trough reflector
US7950833B1 (en) 2008-06-17 2011-05-31 Genlyte Thomas Group Llc Splay frame luminaire
WO2010146494A1 (en) * 2009-06-16 2010-12-23 Koninklijke Philips Electronics N.V. Lighting device.
DE102009040753A1 (en) * 2009-09-10 2011-03-24 MÜNZ, Christoph reflector assembly
KR101484907B1 (en) * 2013-04-02 2015-01-21 현대자동차주식회사 Near-infrared condensing heating unit, near-infrared condensing heating device using the same
USD757984S1 (en) * 2015-02-20 2016-05-31 Volt, LLC Deck light
US20170023208A1 (en) * 2015-07-22 2017-01-26 JST Performance, LLC Method and apparatus for indirect lighting
DE102015121286B4 (en) * 2015-07-28 2020-06-25 Felsch Lighting Design Gmbh Shelf light
CN107781787B (en) * 2016-08-29 2020-12-08 查克森科技有限公司 Lighting device and lighting system
US10384803B2 (en) * 2016-10-07 2019-08-20 The Boeing Company Methods and devices for light distribution in an aircraft, and aircraft including such devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2316546A (en) * 1940-05-31 1943-04-13 Rambusch Decorating Company Lighting apparatus
US2350664A (en) * 1942-03-13 1944-06-06 American Sterilizer Co Apparatus for germicidal treatment of air-borne bacteria
FR1011455A (en) * 1949-02-11 1952-06-23 Ets Claude Paz & Silva Lighting fixtures improvements
US2717954A (en) * 1950-08-16 1955-09-13 Gen Electric Elongated roadway luminaire
GB885071A (en) * 1959-06-03 1961-12-20 Nat Res Dev Improvements in and relating to the illumination of extended areas
FR1249905A (en) * 1959-11-23 1961-01-06 Lighting fixture providing uniform illumination on objects perpendicular to a rectangular flat surface
CH407012A (en) * 1964-11-20 1966-02-15 Infranor Sa Lighting projector
DE1975707U (en) * 1967-07-27 1967-12-28 Siemens Ag FLOODLIGHT LAMP WITH A GUTTER-SHAPED ASYMMETRIC MIRROR REFLECTOR.

Also Published As

Publication number Publication date
DE2144300C3 (en) 1980-12-04
DE2144300B2 (en) 1980-04-03
CA930343A (en) 1973-07-17
FR2107192A5 (en) 1972-05-05
JPS5224354B1 (en) 1977-06-30
US3679893A (en) 1972-07-25
DE2144300A1 (en) 1972-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years