US1900551A - Lighting unit for reflected illumination - Google Patents
Lighting unit for reflected illumination Download PDFInfo
- Publication number
- US1900551A US1900551A US518976A US51897631A US1900551A US 1900551 A US1900551 A US 1900551A US 518976 A US518976 A US 518976A US 51897631 A US51897631 A US 51897631A US 1900551 A US1900551 A US 1900551A
- Authority
- US
- United States
- Prior art keywords
- reflector
- lighting unit
- reflected illumination
- lamps
- wings
- 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
Images
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
- F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
-
- 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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
-
- 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
- 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
Definitions
- My invention relates to that class of lighting fixtures which are described in my copending application, Serial No. 503,128. It is well known that the type of lighting known as indirect is greatly favored by engineers because it so closely approximates daylight. It is also well known that there has sprung up in art circles, a type known as modernistic, which has attained considerable vogue and has been adapted by interior decorators, etc., so that it is necessary to have lighting fixtures to correspond to such modernistic period.
- My invention has for its object to produce a fixture which will fit into a modernistic room and which will also provide a very efficient manner of utilizing indirect lighting.
- FIG. 1 is a front elevation of my improved vertical indirect light
- Fig. 2 is an enlarged cross sectional view of the reflector
- Fig. 3 is a similar View showing a modified form of reflector
- Fig. 4 is an enlarged vertical sectional view, the lamps being shown in elevation;
- Fig. 5 is a detail view of the lamp mount- Fig. 6 is a front view of a modified form using a single reflector;
- V 35 Fig. 7 is a vertical sectional view of the device where a single reflector is used;
- Fig. 8 is a cross section of the device as shown in Fig. 6;
- Fig. 9 is a cross section of the modified form of reflector where a single reflector is used.
- I provide a frame 1 which comprises upper and lower ends 1 and 2 which are connected by sides 3 Serial No. 518,976.
- the lamps 6 are mounted in pairs and are carried by sockets 7, which are carried by Ts 8, these Ts are provided with threaded hollow lugs 9 which extend through the center 10 of the reflector 11, being secured by means of a nut 12 or in any other convenient manner.
- the reflector is formed with two concave wings 13 and 14 which are preferably coated with porcelain enamel, each wing is provided with a series of longitudinal convex corrugations.
- Fig. 3 in which a plurality of Iongitudinal steps with plane surfaces are shown, these heighten the effect produced when the lamps are illuminated.
- I provide a casing 20, in which Imount a single reflector 21, which has a plurality of convex corrugations 22. lVhere this construction is utilized, I mount the lamps 23 behind a supp'emental reflector 24, which redirects the light from the source 23 to the reflector 21.
- the lamps 23 are conveniently carried in sock- 85 ets 25 which are mounted in a flat portion 26 of the reflector 21. This construction also produces the illusion of glass tubes possessed by the double reflector heretofore described.
- a frame a reflector mounted therein, a
- a frame a reflector mounted therein, a central member on said frame, a pluralit of electric lamps behind said central mem r, means to secure said lamps at the junction of the wings of the reflector and longitudinally thereof, said reflector having two concave wings, a plurality of longitudinal corrugations on each of said wings.
Description
March 7, 1933. E. F. GUTH LIGHTING UNIT FOR REFLECTED ILLUMINATION File d F b, 5 sheets-sheet 1 ,INVENT OR.
TTORNEY March 7, 1933. E; GUTH 1,900,551
LIGHTING UNIT FOR REFLECTED, ILLUMINATION F iled Feb. 28, 1931 3 Sheets-Sheet 2 INVENTOR Mafia/W ATTORNEY March 7, E F H 1,900,551
LIGHTING UNIT FOR REFLECTED ILLUMINATION Filed Feb. 28, 1931 3 Sheets-Sheet 3 INVENTOR ATTORNEY Patented Mar. V, 1933 warren EDWIN F. (Si-UTE, F WEBSTER GROVES, MISSOURI LIGHTING- UNIT FOR REFLECTED ILLUMINATION Application filed February 28, 1931.
My invention relates to that class of lighting fixtures which are described in my copending application, Serial No. 503,128. It is well known that the type of lighting known as indirect is greatly favored by engineers because it so closely approximates daylight. It is also well known that there has sprung up in art circles, a type known as modernistic, which has attained considerable vogue and has been adapted by interior decorators, etc., so that it is necessary to have lighting fixtures to correspond to such modernistic period.
My invention has for its object to produce a fixture which will fit into a modernistic room and which will also provide a very efficient manner of utilizing indirect lighting.
My means of accomplishing the foregoing objects may be more readily comprehended by having reference to the accompanying drawings, in which- Fig. 1 is a front elevation of my improved vertical indirect light;
Fig. 2 is an enlarged cross sectional view of the reflector;
Fig. 3 is a similar View showing a modified form of reflector;
Fig. 4 is an enlarged vertical sectional view, the lamps being shown in elevation; 30 Fig. 5 is a detail view of the lamp mount- Fig. 6 is a front view of a modified form using a single reflector; V 35 Fig. 7 is a vertical sectional view of the device where a single reflector is used;
Fig. 8 is a cross section of the device as shown in Fig. 6; and
Fig. 9 is a cross section of the modified form of reflector where a single reflector is used.
Similar reference numerals refer to similar parts throughout the entire description.
As shown in the drawings, I provide a frame 1 which comprises upper and lower ends 1 and 2 which are connected by sides 3 Serial No. 518,976.
and and a central member 5. The lamps 6 are mounted in pairs and are carried by sockets 7, which are carried by Ts 8, these Ts are provided with threaded hollow lugs 9 which extend through the center 10 of the reflector 11, being secured by means of a nut 12 or in any other convenient manner. The reflector is formed with two concave wings 13 and 14 which are preferably coated with porcelain enamel, each wing is provided with a series of longitudinal convex corrugations. By locating the lamps 6 at the center of the two wings, I am able to overcome any tendency of the reflector to exhibit excessive brightness as this only permits one-half of the light flux to reach each wing of the reflector thereby entirely avoiding glare and giving a very beautiful soft light. 'The corrugations, when the lamps are illuminated, resemble a series of glass tubes or pillars, having the lights inside of them, conveying an almost indescribable impression, while aflording a most satisfactory illuminant.
In some cases where a most decided modernistic or impressionistic effect is sought or desired, it may be found desirable to form the wings of the reflector in the modified form shown in Fig. 3, in which a plurality of Iongitudinal steps with plane surfaces are shown, these heighten the effect produced when the lamps are illuminated.
As shown in Figs. 6 to 9 inclusive, I provide a casing 20, in which Imount a single reflector 21, which has a plurality of convex corrugations 22. lVhere this construction is utilized, I mount the lamps 23 behind a supp'emental reflector 24, which redirects the light from the source 23 to the reflector 21. The lamps 23 are conveniently carried in sock- 85 ets 25 which are mounted in a flat portion 26 of the reflector 21. This construction also produces the illusion of glass tubes possessed by the double reflector heretofore described.
Having described my invention what I re- 0 gard as new and desire to secure by Letters Patent of the. United States, is:
1. A frame, a reflector mounted therein, a
central member on said frame, a plurality ofelectric lamps at the junction of said wings and extending longitudinally thereof and behind said central member, said reflector having two concave wings, a plurality of longitudinal corrugations on each of said wings. 2. A frame, a reflector mounted therein, a central member on said frame, a pluralit of electric lamps behind said central mem r, means to secure said lamps at the junction of the wings of the reflector and longitudinally thereof, said reflector having two concave wings, a plurality of longitudinal corrugations on each of said wings.
' EDWIN F. GUTH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US518976A US1900551A (en) | 1931-02-28 | 1931-02-28 | Lighting unit for reflected illumination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US518976A US1900551A (en) | 1931-02-28 | 1931-02-28 | Lighting unit for reflected illumination |
Publications (1)
Publication Number | Publication Date |
---|---|
US1900551A true US1900551A (en) | 1933-03-07 |
Family
ID=24066268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US518976A Expired - Lifetime US1900551A (en) | 1931-02-28 | 1931-02-28 | Lighting unit for reflected illumination |
Country Status (1)
Country | Link |
---|---|
US (1) | US1900551A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2423884A (en) * | 1944-07-31 | 1947-07-15 | Glass Walter | Reflector shield unit for germicidal lamps |
US2530133A (en) * | 1946-06-08 | 1950-11-14 | Bausch & Lomb | Illuminating device for uniformly and diffusely illuminating a background |
US2591661A (en) * | 1947-03-07 | 1952-04-01 | Century Lighting Inc | Reflector for controlling at a predetermined angle direct and reflected rays from a light source |
US3009054A (en) * | 1957-06-21 | 1961-11-14 | Prism Signs Inc | Prismatic lighting fixture |
US3233096A (en) * | 1965-06-28 | 1966-02-01 | Schmitt Heinrich | Device for increasing the usable luminous flux of fluorescent lamps |
US4173036A (en) * | 1977-11-21 | 1979-10-30 | The United States Of America As Represented By The Secretary Of The Navy | Wavy mirror transmitter optics |
US4229779A (en) * | 1978-05-19 | 1980-10-21 | International Telephone And Telegraph Corporation | Luminaire with arcuate reflector |
DE3129038A1 (en) * | 1981-07-17 | 1983-02-03 | Achim Dipl.-Ing. Dr.-Ing. 1000 Berlin Willing | Illuminated sign |
US5014174A (en) * | 1988-02-06 | 1991-05-07 | Joung H. Won | Reflection sheet for lighting or color-lighting |
US5448462A (en) * | 1993-05-21 | 1995-09-05 | Pittway Corporation | Strobe for detector |
US5988836A (en) * | 1996-07-31 | 1999-11-23 | Swarens; Ralph W. | Recessed indirect fluorescent light fixture with flexible reflector |
WO2004083719A1 (en) | 2003-03-17 | 2004-09-30 | Koninklijke Philips Electronics N.V. | Luminaire |
US20050041173A1 (en) * | 2003-07-25 | 2005-02-24 | Lg.Philips Lcd Co., Ltd | Backlight unit of liquid crystal display device and reflective means therein |
US20050281024A1 (en) * | 2004-06-18 | 2005-12-22 | Mayfield John T Iii | Light fixture and lens assembly for same |
US20070133215A1 (en) * | 2004-06-18 | 2007-06-14 | Mayfield John T Iii | Light Fixture |
US20090207603A1 (en) * | 2007-02-12 | 2009-08-20 | Stephen Haight Lydecker | Retrofit Light Assembly |
US20090244908A1 (en) * | 2008-04-01 | 2009-10-01 | Stephen Haight Lydecker | Louver for Light Assembly |
USD612534S1 (en) | 2008-04-24 | 2010-03-23 | Abl Ip Holding Llc | Bracket |
USD640825S1 (en) | 2008-04-24 | 2011-06-28 | Abl Ip Holding Llc | Louver |
US20140211465A1 (en) * | 2011-09-08 | 2014-07-31 | Ki Hyun Kim | Lighting module |
US20150016101A1 (en) * | 2013-06-05 | 2015-01-15 | Lg Innotek Co., Ltd. | Illumination apparatus |
-
1931
- 1931-02-28 US US518976A patent/US1900551A/en not_active Expired - Lifetime
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2423884A (en) * | 1944-07-31 | 1947-07-15 | Glass Walter | Reflector shield unit for germicidal lamps |
US2530133A (en) * | 1946-06-08 | 1950-11-14 | Bausch & Lomb | Illuminating device for uniformly and diffusely illuminating a background |
US2591661A (en) * | 1947-03-07 | 1952-04-01 | Century Lighting Inc | Reflector for controlling at a predetermined angle direct and reflected rays from a light source |
US3009054A (en) * | 1957-06-21 | 1961-11-14 | Prism Signs Inc | Prismatic lighting fixture |
US3233096A (en) * | 1965-06-28 | 1966-02-01 | Schmitt Heinrich | Device for increasing the usable luminous flux of fluorescent lamps |
US4173036A (en) * | 1977-11-21 | 1979-10-30 | The United States Of America As Represented By The Secretary Of The Navy | Wavy mirror transmitter optics |
US4229779A (en) * | 1978-05-19 | 1980-10-21 | International Telephone And Telegraph Corporation | Luminaire with arcuate reflector |
DE3129038A1 (en) * | 1981-07-17 | 1983-02-03 | Achim Dipl.-Ing. Dr.-Ing. 1000 Berlin Willing | Illuminated sign |
US5014174A (en) * | 1988-02-06 | 1991-05-07 | Joung H. Won | Reflection sheet for lighting or color-lighting |
US5448462A (en) * | 1993-05-21 | 1995-09-05 | Pittway Corporation | Strobe for detector |
US5546293A (en) * | 1993-05-21 | 1996-08-13 | Pittway Corporation | Strobe for detector |
US5988836A (en) * | 1996-07-31 | 1999-11-23 | Swarens; Ralph W. | Recessed indirect fluorescent light fixture with flexible reflector |
WO2004083719A1 (en) | 2003-03-17 | 2004-09-30 | Koninklijke Philips Electronics N.V. | Luminaire |
JP2006521000A (en) * | 2003-03-17 | 2006-09-14 | 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 | Lighting device |
US20050041173A1 (en) * | 2003-07-25 | 2005-02-24 | Lg.Philips Lcd Co., Ltd | Backlight unit of liquid crystal display device and reflective means therein |
US7195366B2 (en) * | 2003-07-25 | 2007-03-27 | Lg. Philips Lcd Co., Ltd. | Backlight unit of liquid crystal display device and reflective means therein |
US20050281024A1 (en) * | 2004-06-18 | 2005-12-22 | Mayfield John T Iii | Light fixture and lens assembly for same |
US7229192B2 (en) * | 2004-06-18 | 2007-06-12 | Acuity Brands, Inc. | Light fixture and lens assembly for same |
US20070133215A1 (en) * | 2004-06-18 | 2007-06-14 | Mayfield John T Iii | Light Fixture |
US7481552B2 (en) * | 2004-06-18 | 2009-01-27 | Abl Ip Holding Llc | Light fixture having a reflector assembly and a lens assembly for same |
US8220957B2 (en) | 2007-02-12 | 2012-07-17 | Abl Ip Holding Llc | Retrofit light assembly |
US20090207603A1 (en) * | 2007-02-12 | 2009-08-20 | Stephen Haight Lydecker | Retrofit Light Assembly |
US20090244908A1 (en) * | 2008-04-01 | 2009-10-01 | Stephen Haight Lydecker | Louver for Light Assembly |
US20090244912A1 (en) * | 2008-04-01 | 2009-10-01 | Stephen Haight Lydecker | Mounting System |
US8153894B2 (en) | 2008-04-01 | 2012-04-10 | Abl Ip Holding Llc | Mounting system |
USD612534S1 (en) | 2008-04-24 | 2010-03-23 | Abl Ip Holding Llc | Bracket |
USD640825S1 (en) | 2008-04-24 | 2011-06-28 | Abl Ip Holding Llc | Louver |
US20140211465A1 (en) * | 2011-09-08 | 2014-07-31 | Ki Hyun Kim | Lighting module |
US9605814B2 (en) * | 2011-09-08 | 2017-03-28 | Lg Innotek Co., Ltd. | Lighting module |
US20150016101A1 (en) * | 2013-06-05 | 2015-01-15 | Lg Innotek Co., Ltd. | Illumination apparatus |
US9709224B2 (en) * | 2013-06-05 | 2017-07-18 | Lg Innotek Co., Ltd. | Illumination apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US1900551A (en) | Lighting unit for reflected illumination | |
US2625646A (en) | Lighting fixture which may be used individually or attached to similar fixture | |
US2990470A (en) | Reflecting fluorescent light fixture | |
US2647985A (en) | Illumination fixture and louvers therefor | |
US2346717A (en) | Lighting device | |
DE3783051D1 (en) | GLARE-FREE LAMP WITH STRIP-SHADE DIMMING REFLECTOR. | |
US2284534A (en) | Lighting fixture | |
US2280534A (en) | Lighting fixture | |
US1863767A (en) | Lamp shade and lamp | |
ATE304681T1 (en) | FLAT LAMP | |
US2221954A (en) | Lighting fixture | |
US2329843A (en) | Fluorescent lamp fixture | |
US1955935A (en) | Lighting fixture | |
US2222980A (en) | Electric lighting fixture | |
US2658137A (en) | Lighting fixture having angularly upwardly directed spot lamps | |
CN215372240U (en) | Ceiling lamp for classroom | |
US2586645A (en) | Ceiling lighting fixture having an inverted conical reflector | |
CN206488159U (en) | A kind of new Rimless LED panel lamp | |
US1996597A (en) | Indoor lighting unit | |
KR0139107Y1 (en) | Holding frame of light lamp | |
US1718154A (en) | Electric-light fixture | |
US1752654A (en) | Lighting fixture | |
KR200264633Y1 (en) | light cover clamp | |
US1412541A (en) | Means of lighting churches | |
US2473768A (en) | Lamp shade |