US2403240A - Retaining guard for fluorescent lamps - Google Patents

Retaining guard for fluorescent lamps Download PDF

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Publication number
US2403240A
US2403240A US512587A US51258743A US2403240A US 2403240 A US2403240 A US 2403240A US 512587 A US512587 A US 512587A US 51258743 A US51258743 A US 51258743A US 2403240 A US2403240 A US 2403240A
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United States
Prior art keywords
guard
lamps
clip
lamp
reflector
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Expired - Lifetime
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US512587A
Inventor
Kenneth A Sawin
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WHEELER REFIECTOR Co
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WHEELER REFIECTOR Co
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Priority to US512587A priority Critical patent/US2403240A/en
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    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F21V19/009—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps the support means engaging the vessel of the source
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • 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

  • This invention relates to fluorescent lighting Claims. (Cl. 240-78) fixtures. and it has for its object to provide a novel lamp-retaining safety guard for the fluorescent lamps to prevent them from falling to the floor in case they become disengaged from their supporting sockets.
  • the features wherein the invention resides will be more fully hereinafter set forth and then pointed out in the appended claims.
  • Fig. 1 is a sectional view illustrating a fluorescent lighting fixture embodying my invention
  • Fig. 2 is a section on the line 2-2, Fig; 1,
  • Fig. 3 is a perspective view of one of the guardholding clips.
  • the fixture shown in the drawing is one having a bank of three fluorescent lamps which are indicated at I, although the invention is equally applicable for use in a fluorescent lighting fixture having a single lamp or a multiple bank of lamps.
  • Each lamp l is supported at each end in a socket element 2 as usual, and the lighting flxture shown is equipped with a reflector 3 of some usual type.
  • This reflector is formed with openings or apertures 4 through which the sockets 2 extend, and the fixture also embodies the usual channel casing or top housing 5 within which is located the starter switch, wiring and other accessories necessary for the operation of the lamps I. Inasmuch as such accessories form no part of the present invention, I have not thought it necessary to illustrate them herein.
  • the present invention relates to a novel retaining guard which prevents the lamp from falling in case it accidentally becomes disenga ed from the socket at either end.
  • the guard herein illustrated is in the form of a wire 6 which is located underneath the lamp or bank of lamps at each end and which is supported by the re-. flector 3, said guard being so constructed that it can be readily moved into an-inoperative position to permit re-lamping of fixture.
  • the clip 1 herein illustrated is made of a strip of sheet metal bent to present the two parallel sections ,8 and 9 that are adapted to embrace the edge of one of the apertures 4, said clip also being bentto present the guard-holding portion H), which extends parallel to the sections 8 and 9 and which forms with the section 9 a channel I9 to receive the portion l6 of the guard.
  • the clip applied to the reflector 3 before the latter is installed, this being done by locating the clip so that the sections 8 and 9 embrace one edge of an opening 4, the connecting portion ll of the clip engaging the edge of the opening.
  • the clip is placed on the reflector with the guard-holding portion i0 below the reflector as shown in Fig. 1.
  • the guard member 6 herein shown is formed with the body portion I! which extends underneath the lamp or bank of lamps and with the upstanding portion l3 at each end which is connected to the clip I. Since these clips are located in the apertures through which the sockets 2 ex- I tend, the upstanding end of each guard is offset laterally so that when the ends of the guard are connected to the clips the body portion of the guard will be situated underneath the lamp which is supported by the sockets.
  • the manner in which the end portion of the guard is oflset is best shown in Fig. 2.
  • Each upstanding end portion is formed with a laterally projecting portion I4 and with asecond upstanding portion is and also with a second laterally extending portion 16 which is sustained by the clip-holding portion I! of the clip and with a downturned portion I1.
  • the guard is attached to the clips by introducing the portion it of the guard into the space between the guard-supporting portion l0 and the section 8 of each clip, and this guard-supporting portion H) of the clip is preferably made with a rib it which prevents accidental disengagement oi the guard from the clip.
  • the guard-supporting portion ID or .the clip is made sufllciently resilient so that the guard can be attached to the clip by iorcing it into the channel is over the rib It, the resiliency of the portion ll! of the clip returning the said portion to its normal position after the guard has been attached thereto thereby preventing accidental disengagement of the guard therefrom.
  • the material of which the guard is made is sufficiently flexible to permit the upstanding end portions l3 thereof to be bent inwardly sufliciently to disengage them from the clips or to apply them to the clips.
  • each clip is I 3 I ably give the body I! o! the guard a sinuous shape as shown. thereby providing it with a concave clearance being less than the distance it is necessary tolower the lamp in order to remove it from its sockets. Hence even when any lamp is resting on and is supported by the guard, suchlamp is still located between its sockets and the latter serve as stops to prevent axial movement or the lamp,
  • either end of the guard may be disconnected from its clip by forcing the portion is out from the channel l9, and when this is done, the guard will swing down about its other end into the dotted line position shown in Fig. 1. thus carrying it into a position in which it does not inter. fere with placing lamps into or removing them from the sockets 2.
  • the safety guard is adapted for use on any fluorescent lighting fixture regardless of the length of wattage of the lamp.
  • a fluorescent lighting fixture comprising a bank of fluorescent lamps, sockets by which said lamps are supported, a reflector for said lamps having openings through which the sockets extend, a pair, of guard-holding clips, each having a U-shaped portion to embrace the edge of one oi. said openings and also having a guard-supporting portion beneath the reflector, and a re-. taining guard extending beneath the lamps and.
  • a fluorescent lighting fixture comprising a bank of fluorescent lamps, sockets by which said lamps are supported, a reflector for said lamps having openings through which the sockets extend, a pair of guard-holding clips, each having a U- shaped portion to embrace the edge of one of said openings and also having a guard-supporting portion beneath the reflector, and a retaining guard having upstanding ends detachably engaged with the guard-holding portions of the clips, said upstanding ends being laterally ofl'set.
  • a fluorescent lighting fixture comprising 'a bank of fluorescent lamps, sockets by which said lamps are supported, a reflector for said lamps having socket-receiving openings throughtwhich the sockets extend, two separate, guard holding clips, each having a portion extending through a socket-receiving opening of the reflector and a guard-engaging portion below the reflector, and a retaining guard extending underneath the lamps and supported by the guard-engaging por tions of the clips.
  • a fluorescent lighting fixture comprising a reflectorhaving a concave reflecting surface and also having socket-receiving openings, lamp sockets extending through said openings, fluorescentv socket in the corresponding opening, and a retaining guard extending underneath the lamps and detachably secured to the guard-engaging portions of the clips.

Description

u y v K. A. YSAWIN 7 2,403,240
I RETAINING GUARD FORYFLUORESCENT LAMPS v Filed Dec. 2, 1943 I5 14 I I/ II/ II/I/I/l/I I7 Patented July 2, 1946- RETAINING GUARD FOB FLUORESCENT LAMPS a Kenneth A. Sawin, Auburndale, Mesa, assig'nor to Wheeler Reflector Company, Boston, Mass., a corporation of Massachusetts Application December 2, 1943, Serial No. 512,587
This invention relates to fluorescent lighting Claims. (Cl. 240-78) fixtures. and it has for its object to provide a novel lamp-retaining safety guard for the fluorescent lamps to prevent them from falling to the floor in case they become disengaged from their supporting sockets. The features wherein the invention resides will be more fully hereinafter set forth and then pointed out in the appended claims.
In the drawing:
Fig. 1 is a sectional view illustrating a fluorescent lighting fixture embodying my invention,
Fig. 2 is a section on the line 2-2, Fig; 1,
Fig. 3 is a perspective view of one of the guardholding clips.
The fixture shown in the drawing is one having a bank of three fluorescent lamps which are indicated at I, although the invention is equally applicable for use in a fluorescent lighting fixture having a single lamp or a multiple bank of lamps.
Each lamp l is supported at each end in a socket element 2 as usual, and the lighting flxture shown is equipped with a reflector 3 of some usual type. This reflector is formed with openings or apertures 4 through which the sockets 2 extend, and the fixture also embodies the usual channel casing or top housing 5 within which is located the starter switch, wiring and other accessories necessary for the operation of the lamps I. Inasmuch as such accessories form no part of the present invention, I have not thought it necessary to illustrate them herein.
It sometimes happens that a fluorescent lamp becomes detached at one or both ends from its sockets 2, and when this occurs the lamp is liable to fall to the floor and cause personal injury or damage to critical equipment.
The present invention relates to a novel retaining guard which prevents the lamp from falling in case it accidentally becomes disenga ed from the socket at either end. The guard herein illustrated is in the form of a wire 6 which is located underneath the lamp or bank of lamps at each end and which is supported by the re-. flector 3, said guard being so constructed that it can be readily moved into an-inoperative position to permit re-lamping of fixture.
Various ways of attaching the guard to the reflector 3 may be employed without departing from the invention. In the illustrated embodiment of the invention there is shown a pair of holding clips 1 to which the ends of the guard member 6. are secured, these clips-in turn being nnected to the reflector 3.
The clip 1 herein illustrated is made of a strip of sheet metal bent to present the two parallel sections ,8 and 9 that are adapted to embrace the edge of one of the apertures 4, said clip also being bentto present the guard-holding portion H), which extends parallel to the sections 8 and 9 and which forms with the section 9 a channel I9 to receive the portion l6 of the guard. The clip applied to the reflector 3 before the latter is installed, this being done by locating the clip so that the sections 8 and 9 embrace one edge of an opening 4, the connecting portion ll of the clip engaging the edge of the opening. The clip is placed on the reflector with the guard-holding portion i0 below the reflector as shown in Fig. 1.
The guard member 6 herein shown is formed with the body portion I! which extends underneath the lamp or bank of lamps and with the upstanding portion l3 at each end which is connected to the clip I. Since these clips are located in the apertures through which the sockets 2 ex- I tend, the upstanding end of each guard is offset laterally so that when the ends of the guard are connected to the clips the body portion of the guard will be situated underneath the lamp which is supported by the sockets. The manner in which the end portion of the guard is oflset is best shown in Fig. 2. Each upstanding end portion is formed with a laterally projecting portion I4 and with asecond upstanding portion is and also with a second laterally extending portion 16 which is sustained by the clip-holding portion I!) of the clip and with a downturned portion I1.
The guard is attached to the clips by introducing the portion it of the guard into the space between the guard-supporting portion l0 and the section 8 of each clip, and this guard-supporting portion H) of the clip is preferably made with a rib it which prevents accidental disengagement oi the guard from the clip. The guard-supporting portion ID or .the clip is made sufllciently resilient so that the guard can be attached to the clip by iorcing it into the channel is over the rib It, the resiliency of the portion ll! of the clip returning the said portion to its normal position after the guard has been attached thereto thereby preventing accidental disengagement of the guard therefrom. The material of which the guard is made is sufficiently flexible to permit the upstanding end portions l3 thereof to be bent inwardly sufliciently to disengage them from the clips or to apply them to the clips.
When the .guard is used in connection with a Each clip is I 3 I ably give the body I! o! the guard a sinuous shape as shown. thereby providing it with a concave clearance being less than the distance it is necessary tolower the lamp in order to remove it from its sockets. Hence even when any lamp is resting on and is supported by the guard, suchlamp is still located between its sockets and the latter serve as stops to prevent axial movement or the lamp,
when it is necessar to widen the fixture. either end of the guard may be disconnected from its clip by forcing the portion is out from the channel l9, and when this is done, the guard will swing down about its other end into the dotted line position shown in Fig. 1. thus carrying it into a position in which it does not inter. fere with placing lamps into or removing them from the sockets 2.
The safety guard is adapted for use on any fluorescent lighting fixture regardless of the length of wattage of the lamp.
Iclaim:
l. The combination with a fluorescent lamp, a socket tor supporting the lamp, and a reflector for the lamp having an opening through which the socket extends, of a guard-holding clip having a portion embracing the edge of the opening, said clip being retained in position by the socket, and a retaining guard situated beneath the lamp and supported by said clip.
2. A fluorescent lighting fixture comprising a bank of fluorescent lamps, sockets by which said lamps are supported, a reflector for said lamps having openings through which the sockets extend, a pair, of guard-holding clips, each having a U-shaped portion to embrace the edge of one oi. said openings and also having a guard-supporting portion beneath the reflector, and a re-. taining guard extending beneath the lamps and.
having upstanding ends detachably engaged with the guard-supporting portions of the clips.
3. A fluorescent lighting fixture comprising a bank of fluorescent lamps, sockets by which said lamps are supported, a reflector for said lamps having openings through which the sockets extend, a pair of guard-holding clips, each having a U- shaped portion to embrace the edge of one of said openings and also having a guard-supporting portion beneath the reflector, and a retaining guard having upstanding ends detachably engaged with the guard-holding portions of the clips, said upstanding ends being laterally ofl'set.
whereby the body of the guard is located beneath the lamps,
4. A fluorescent lighting fixture comprising 'a bank of fluorescent lamps, sockets by which said lamps are suported, a reflector for said lamps having socket-receiving openings throughtwhich the sockets extend, two separate, guard holding clips, each having a portion extending through a socket-receiving opening of the reflector and a guard-engaging portion below the reflector, and a retaining guard extending underneath the lamps and supported by the guard-engaging por tions of the clips.
5. A fluorescent lighting fixture comprising a reflectorhaving a concave reflecting surface and also having socket-receiving openings, lamp sockets extending through said openings, fluorescentv socket in the corresponding opening, and a retaining guard extending underneath the lamps and detachably secured to the guard-engaging portions of the clips. I
I KENNETH A. SAWIN.
US512587A 1943-12-02 1943-12-02 Retaining guard for fluorescent lamps Expired - Lifetime US2403240A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465326A (en) * 1946-03-29 1949-03-22 Sylvania Electric Prod Assembly clamp for lamp holders
US2509109A (en) * 1949-07-05 1950-05-23 Illuminating Engineering Compa Hanging bracket for illuminating tubes
US2544781A (en) * 1945-12-22 1951-03-13 Leroy C Doane Shock resistant luminaire for use with fluorescent tubes
US2605387A (en) * 1948-09-23 1952-07-29 George M Brodie Safety guard for fluorescent lamps
US3489890A (en) * 1967-09-18 1970-01-13 Sylvania Electric Prod Fluorescent lamp holder and clip
US20080007944A1 (en) * 2005-10-03 2008-01-10 Verfuerth Neal R Modular light fixture with power pack and radiative, conductive, and convective cooling
US20080007943A1 (en) * 2005-10-03 2008-01-10 Verfuerth Neal R Modular light fixture with power pack with latching ends
US7563006B1 (en) * 2004-08-02 2009-07-21 Orion Energy Systems, Inc. Fluorescent lamp catcher
US20090189535A1 (en) * 2008-01-29 2009-07-30 Orion Energy Systems, Inc. Transformer wiring method and apparatus for fluorescent lighting
US7575338B1 (en) 2005-10-03 2009-08-18 Orion Energy Systems, Inc. Modular light fixture with power pack
US20090248217A1 (en) * 2008-03-27 2009-10-01 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering high intensity fluorescent lighting in a facility
US20090243517A1 (en) * 2008-03-27 2009-10-01 Orion Energy Systems, Inc. System and method for controlling lighting
US20090315485A1 (en) * 2007-06-29 2009-12-24 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US20100061088A1 (en) * 2007-06-29 2010-03-11 Orion Energy Systems, Inc. Lighting device
US7780310B2 (en) 2005-10-03 2010-08-24 Orion Energy Systems, Inc. Modular light fixture with power pack and deployable sensor
US20110060701A1 (en) * 2009-09-04 2011-03-10 Orion Energy Systems, Inc. Outdoor fluorescent lighting fixtures and related systems and methods
US8070312B2 (en) 2004-08-02 2011-12-06 Orion Energy Systems, Inc. Fluorescent light fixture with lamp catcher
US8136958B2 (en) 2005-10-03 2012-03-20 Orion Energy Systems, Inc. Modular light fixture with power pack
US8445826B2 (en) 2007-06-29 2013-05-21 Orion Energy Systems, Inc. Outdoor lighting systems and methods for wireless network communications
US8476565B2 (en) 2007-06-29 2013-07-02 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US8586902B2 (en) 2007-06-29 2013-11-19 Orion Energy Systems, Inc. Outdoor lighting fixture and camera systems
US8729446B2 (en) 2007-06-29 2014-05-20 Orion Energy Systems, Inc. Outdoor lighting fixtures for controlling traffic lights
US8858018B2 (en) 2005-10-03 2014-10-14 Orion Energy Systems, Inc. Modular light fixture with power pack
US8884203B2 (en) 2007-05-03 2014-11-11 Orion Energy Systems, Inc. Lighting systems and methods for displacing energy consumption using natural lighting fixtures

Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544781A (en) * 1945-12-22 1951-03-13 Leroy C Doane Shock resistant luminaire for use with fluorescent tubes
US2465326A (en) * 1946-03-29 1949-03-22 Sylvania Electric Prod Assembly clamp for lamp holders
US2605387A (en) * 1948-09-23 1952-07-29 George M Brodie Safety guard for fluorescent lamps
US2509109A (en) * 1949-07-05 1950-05-23 Illuminating Engineering Compa Hanging bracket for illuminating tubes
US3489890A (en) * 1967-09-18 1970-01-13 Sylvania Electric Prod Fluorescent lamp holder and clip
US7563006B1 (en) * 2004-08-02 2009-07-21 Orion Energy Systems, Inc. Fluorescent lamp catcher
US8070312B2 (en) 2004-08-02 2011-12-06 Orion Energy Systems, Inc. Fluorescent light fixture with lamp catcher
US10206251B2 (en) 2005-10-03 2019-02-12 Orion Energy Systems, Inc. Modular light fixture with power pack
US7784966B2 (en) 2005-10-03 2010-08-31 Orion Energy Systems, Inc. Modular light fixture with power pack with latching ends
US7575338B1 (en) 2005-10-03 2009-08-18 Orion Energy Systems, Inc. Modular light fixture with power pack
US8337043B2 (en) 2005-10-03 2012-12-25 Orion Energy Systems, Inc. Modular light fixture with power pack
US9532410B2 (en) 2005-10-03 2016-12-27 Orion Energy Systems, Inc. Modular light fixture with power pack
US7628506B2 (en) 2005-10-03 2009-12-08 Orion Energy Systems, Inc. Modular light fixture with power pack and radiative, conductive, and convective cooling
US8136958B2 (en) 2005-10-03 2012-03-20 Orion Energy Systems, Inc. Modular light fixture with power pack
US20080007944A1 (en) * 2005-10-03 2008-01-10 Verfuerth Neal R Modular light fixture with power pack and radiative, conductive, and convective cooling
US8858018B2 (en) 2005-10-03 2014-10-14 Orion Energy Systems, Inc. Modular light fixture with power pack
US7780310B2 (en) 2005-10-03 2010-08-24 Orion Energy Systems, Inc. Modular light fixture with power pack and deployable sensor
US10660172B2 (en) 2005-10-03 2020-05-19 Orion Energy Systems, Inc. Modular light fixture with power pack
US20080007943A1 (en) * 2005-10-03 2008-01-10 Verfuerth Neal R Modular light fixture with power pack with latching ends
US8884203B2 (en) 2007-05-03 2014-11-11 Orion Energy Systems, Inc. Lighting systems and methods for displacing energy consumption using natural lighting fixtures
US9521726B2 (en) 2007-05-03 2016-12-13 Orion Energy Systems, Inc. Lighting systems and methods for displacing energy consumption using natural lighting fixtures
US8450670B2 (en) 2007-06-29 2013-05-28 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US10694605B2 (en) 2007-06-29 2020-06-23 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US8376600B2 (en) 2007-06-29 2013-02-19 Orion Energy Systems, Inc. Lighting device
US11432390B2 (en) 2007-06-29 2022-08-30 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US8445826B2 (en) 2007-06-29 2013-05-21 Orion Energy Systems, Inc. Outdoor lighting systems and methods for wireless network communications
US11202355B2 (en) 2007-06-29 2021-12-14 Orion Energy Systems, Inc. Outdoor lighting fixture and camera systems
US8476565B2 (en) 2007-06-29 2013-07-02 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US8586902B2 (en) 2007-06-29 2013-11-19 Orion Energy Systems, Inc. Outdoor lighting fixture and camera systems
US11026302B2 (en) 2007-06-29 2021-06-01 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US8729446B2 (en) 2007-06-29 2014-05-20 Orion Energy Systems, Inc. Outdoor lighting fixtures for controlling traffic lights
US8779340B2 (en) 2007-06-29 2014-07-15 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US10187557B2 (en) 2007-06-29 2019-01-22 Orion Energy Systems, Inc. Outdoor lighting fixture and camera systems
US10694594B2 (en) 2007-06-29 2020-06-23 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US20100061088A1 (en) * 2007-06-29 2010-03-11 Orion Energy Systems, Inc. Lighting device
US8921751B2 (en) 2007-06-29 2014-12-30 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US9146012B2 (en) 2007-06-29 2015-09-29 Orion Energy Systems, Inc. Lighting device
US10098213B2 (en) 2007-06-29 2018-10-09 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US20090315485A1 (en) * 2007-06-29 2009-12-24 Orion Energy Systems, Inc. Lighting fixture control systems and methods
US10206265B2 (en) 2007-06-29 2019-02-12 Orion Energy Systems, Inc. Outdoor lighting fixtures control systems and methods
US20090189535A1 (en) * 2008-01-29 2009-07-30 Orion Energy Systems, Inc. Transformer wiring method and apparatus for fluorescent lighting
US7746003B2 (en) 2008-01-29 2010-06-29 Orion Energy Systems, Inc. Transformer wiring method and apparatus for fluorescent lighting
US9351381B2 (en) 2008-03-27 2016-05-24 Orion Energy Systems, Inc. System and method for controlling lighting
US20090243517A1 (en) * 2008-03-27 2009-10-01 Orion Energy Systems, Inc. System and method for controlling lighting
US20090248217A1 (en) * 2008-03-27 2009-10-01 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering high intensity fluorescent lighting in a facility
US9504133B2 (en) 2008-03-27 2016-11-22 Orion Energy Systems, Inc. System and method for controlling lighting
US10334704B2 (en) 2008-03-27 2019-06-25 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering lighting in a facility
US8344665B2 (en) 2008-03-27 2013-01-01 Orion Energy Systems, Inc. System and method for controlling lighting
US9215780B2 (en) 2008-03-27 2015-12-15 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering lighting in a facility
US8666559B2 (en) 2008-03-27 2014-03-04 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering high intensity fluorescent lighting in a facility
US8406937B2 (en) 2008-03-27 2013-03-26 Orion Energy Systems, Inc. System and method for reducing peak and off-peak electricity demand by monitoring, controlling and metering high intensity fluorescent lighting in a facility
US9951933B2 (en) 2009-09-04 2018-04-24 Orion Energy Systems, Inc. Outdoor lighting fixtures and related systems and methods
US9523485B2 (en) 2009-09-04 2016-12-20 Orion Energy Systems, Inc. Outdoor lighting fixtures and related systems and methods
US8866582B2 (en) 2009-09-04 2014-10-21 Orion Energy Systems, Inc. Outdoor fluorescent lighting fixtures and related systems and methods
US20110060701A1 (en) * 2009-09-04 2011-03-10 Orion Energy Systems, Inc. Outdoor fluorescent lighting fixtures and related systems and methods

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