US3612855A - Illuminated bus - Google Patents

Illuminated bus Download PDF

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US3612855A
US3612855A US867284A US3612855DA US3612855A US 3612855 A US3612855 A US 3612855A US 867284 A US867284 A US 867284A US 3612855D A US3612855D A US 3612855DA US 3612855 A US3612855 A US 3612855A
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prongs
base
conductors
lamps
bus
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US867284A
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Paul B Juhnke
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/002—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips making direct electrical contact, e.g. by piercing
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses

Definitions

  • An insulating base has a plurality of conductors on one side.
  • a plurality of mounting prongs extend through the base and project from the other side. These prongs have bent-over ends connected to the conductors.
  • a number of small lamps are connected to the conductors.
  • a translucent cover is seated on the base and houses the lamps. This cover has portions overlying and engaging the bent-over ends of the prongs so that pressure needed to install the unit on a panel of a dispatching board is transmitted directly to the mounting prongs. The bent-over ends also prevent the prongs from becoming detached when the unit is removed from the panel.
  • This invention relates to an illuminating bus which is readily mounted on and detached from the perforated panel of a dispatch board or the like.
  • This bus has a plurality of small lamps which can be separately controlled to provide intensity changes and flashing conditions.
  • Perforated metal panels with nonperforated insulating rear layers are commonly used as dispatcher boards or the like. It is also well known to employ nylon bushings in the perforations. Single lamps with two extending mounting prongs are mounted on such panels by inserting the prongs into the nylon bushings and forcing them through the insulating rear layer. The prongs are also conductors and are connected to circuitry or complicated wiring on the rear of the panel. There is no provision in such prior practice for multiple lamps in a single unit or the provision of abutments by which pressure on the translucent cover is applied directly from the cover to the inner ends of the mounting prongs.
  • US. Pat. No. 2,567,189 relating to a. television reporting system shows a plurality of lamps mounted within a translucent plastic cup with a flasher arrangement. There are no mounting prongs with inner ends engaged by the plastic cup. The support of the flasher unit on the map is accomplished by magnetic means.
  • US Pat. No. 2,745,094 also shows a plurality of small electric lamps mounted within a hollow casing. These lamps are not separately controlled and are not designed to accomplish intensity changes and flashing conditions.
  • the unit is not mounted on the instrument panel by prongs. Instead the unit is attached by screws, bolts, or rivets.
  • FIG. 1 is a perspective view of an illuminated bus embodying the invention with parts broken away to show the interior;
  • FIG. 2 is a top plan view of the insulating base with the translucent cover and lamps removed to show the conductor arrangement
  • FIG. 3 is a top plan view of the insulating base with only the translucent cover removed;
  • FIG. 4 is a view in side elevation of the insulating base of FIG. 3;
  • FIG. 5 is an enlarged fragmentary view taken on line 55 of FIG. 2.
  • the illuminated bus embodying this invention has an elongated insulating base 10. On the upper surface of this base there is mounted by any well-known means four conductive strips 12, 14, I6, and 18. These are positioned in spaced parallel arrangement as shown in FIG. 2. Each of these strips have at one end an enlarged portion forming a terminal 20 located near each corner of the base. There are holes 22 (see FIG. 5) extending through the terminals 20 and the base 10. These holes are arranged at spacings which conform to the spacings of the perforations in a metal panel used as a dispatcher board.
  • Metal rod prongs 24, 26, 28 and 30 extend through the holes 22 and project laterally from the lower surface of the base 10. The upper ends of these prongs are bent to form heads 32 (see FIG. 5), which seat on the terminals 20 and are secured thereto by solder 34 or other conductive adhesive.
  • a plurality of small lamps 36 are mounted on the conductive strips. Each lamp has one of its two wire leads soldered to one conductive strip and the other wire lead soldered to another conductive strip.
  • the wire leads perform the dual function of supporting and electrically connecting the lamps. As illustrated in FIGS. 2 and 3 the conductive strip 18 to which is connected prong 28 is common to all lamps. Prong 28 therefore is connected to one sideof the source of electric power. Proceeding from left to right in the sequence as viewed to FIG. 3, it will be seen that: the second and fifth lamps are connected to strip 16 and prong 26; the first and fourth lamps are connected to strip 14 and prong 30; and the third and sixth lamps are connected to strip 12 and prong 24.
  • all six lamps may be energized by connecting thethree prongs 26, 30, and 24 to the other side of the source.
  • Four lamps may be energized and two not energized by disconnecting one of such prongs from such source.
  • Two lamps may be energized and four not energized by disconnecting two of such prongs from such source. This will still cause the translucent cover of the bus to be illuminated throughout but the intensity can thus be varied. If one of such prongs is connected to the other side of the source by a flasher two lamps will flash. This arrangement of circuitry permits many combinations to be fed from switches or computers.
  • a plastic translucent cover 38 of semioval shape in cross section has its open bottom fitted over the base 10 and cemented thereto. It houses all the lamps and transmits light from almost its entire surface when any one or more of the lamps is energized. Longitudinally extending ridges 40 are formed on the inner faces of the sides of such cover to provide seats or abutments which are engaged by the base for proper positioning.
  • the ridges overlie the heads 32 of the prongs (see FIG. 5) and the globs of connecting solder 34 so that any force placed on the cover will be transmitted to the heads of such prongs.
  • the ridges 40 are provided with four recesses or notches 42 which are in alignment with a respective head 32. The depth of these notches is proportioned to the height of the glob of solder from the top face of the base.
  • the prongs 24, 26, 28, and 30 are inserted in apertures in such board and pressure is applied to the cover 38 to drive the prongs through the imperforate insulating layer (asbestos) customarily mounted on the back of such panel. Because such pressure is distributed direct to the heads 32 and the globs of solder, there will be no tendency to destroy the electrical connection between the prongs and the terminals 20. Also when removing a previously mounted bus for replacement the pulling force on the base and/or cover will be applied to the bent-over heads and thus minimize the force tending to destroy the electrical connection between prongs and terminals.
  • the covers 38 may be supplied in various colors.
  • An illuminated bus comprising:
  • an elongated insulating base having a plurality of separate spaced conductors extending longitudinally on a side thereof;
  • a translucent cover seated on said base and housing said lamps, said cover having portions overlying said deformations for directly transmitting force to the inner ends of said prongs along the axis thereof.
  • said conductors have terminals through which said prongs extend;
  • said deformations are bent-over ends on the inner ends of said prongs.
  • each conductor has a terminal only on one end thereof
  • terminal on one conductor being adjacent the end of an adjacent conductor which has no terminal.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

An insulating base has a plurality of conductors on one side. A plurality of mounting prongs extend through the base and project from the other side. These prongs have bent-over ends connected to the conductors. A number of small lamps are connected to the conductors. A translucent cover is seated on the base and houses the lamps. This cover has portions overlying and engaging the bent-over ends of the prongs so that pressure needed to install the unit on a panel of a dispatching board is transmitted directly to the mounting prongs. The bent-over ends also prevent the prongs from becoming detached when the unit is removed from the panel.

Description

United States Patent [72] inventor Paul B.Juhnke Route 2, Box 228, East Troy, Wis. 53180 [2]] Appl. No. 867,284 [22] Filed Oct. 17, 1969 [45] Patented Oct. 12, 1971 [54] ILLUMINATED BUS 6 Claims, 5 Drawing Figs.
[52] US. Cl 240/521, 240/73 LD, 340/381, 315/184, 315/312, 339/147 [51] Int.Cl G09f 9/14, F2lv 21/08 [50] Field of Search 240/52, 78 LD, 52.1; 339/18, 18 P, 147; 340/381; 315/184, 212,314, 73 LD [56] References Cited UNITED STATES PATENTS 1,222,092 4/1917 Fricke 315/314 2,745,094 5/1956 Harrington et al. 340/381 2,567,189 9/1951 Davis 35/40 2,737,4078/1957 Greenlee et all. 340/366 3,419,857 12/1968 Martin 340/2131 FOREIGN PATENTS 778,438 7 1957 GreatBritain 313 1 Primary Examiner-Richard C. Queisser Assistant Examiner-John Whalen Attorneys-Germ D. Foster, John W. Michael, Bayard H.
Michael, Paul R. Puerner, Joseph A. Gemignani, Andrew 0. Riteris, Daniel Van Dyke and Spencer B. Michael ABSTRACT: An insulating base has a plurality of conductors on one side. A plurality of mounting prongs extend through the base and project from the other side. These prongs have bent-over ends connected to the conductors. A number of small lamps are connected to the conductors. A translucent cover is seated on the base and houses the lamps. This cover has portions overlying and engaging the bent-over ends of the prongs so that pressure needed to install the unit on a panel of a dispatching board is transmitted directly to the mounting prongs. The bent-over ends also prevent the prongs from becoming detached when the unit is removed from the panel.
ILLUMINATED BUS BACKGROUND OF THE INVENTION 1. Field of the Invention v This invention relates to an illuminating bus which is readily mounted on and detached from the perforated panel of a dispatch board or the like. This bus has a plurality of small lamps which can be separately controlled to provide intensity changes and flashing conditions.
2. Description of the Prior Art Perforated metal panels with nonperforated insulating rear layers are commonly used as dispatcher boards or the like. It is also well known to employ nylon bushings in the perforations. Single lamps with two extending mounting prongs are mounted on such panels by inserting the prongs into the nylon bushings and forcing them through the insulating rear layer. The prongs are also conductors and are connected to circuitry or complicated wiring on the rear of the panel. There is no provision in such prior practice for multiple lamps in a single unit or the provision of abutments by which pressure on the translucent cover is applied directly from the cover to the inner ends of the mounting prongs.
US. Pat. No. 2,567,189 relating to a. television reporting system shows a plurality of lamps mounted within a translucent plastic cup with a flasher arrangement. There are no mounting prongs with inner ends engaged by the plastic cup. The support of the flasher unit on the map is accomplished by magnetic means.
US Pat. No. 2,745,094 also shows a plurality of small electric lamps mounted within a hollow casing. These lamps are not separately controlled and are not designed to accomplish intensity changes and flashing conditions. The unit is not mounted on the instrument panel by prongs. Instead the unit is attached by screws, bolts, or rivets.
BRIEF DESCRIPTION OF THE DRAWING In the drawing:
FIG. 1 is a perspective view of an illuminated bus embodying the invention with parts broken away to show the interior;
FIG. 2 is a top plan view of the insulating base with the translucent cover and lamps removed to show the conductor arrangement;
FIG. 3 is a top plan view of the insulating base with only the translucent cover removed;
FIG. 4 is a view in side elevation of the insulating base of FIG. 3; and
FIG. 5 is an enlarged fragmentary view taken on line 55 of FIG. 2.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to the drawing by reference numerals, the illuminated bus embodying this invention has an elongated insulating base 10. On the upper surface of this base there is mounted by any well-known means four conductive strips 12, 14, I6, and 18. These are positioned in spaced parallel arrangement as shown in FIG. 2. Each of these strips have at one end an enlarged portion forming a terminal 20 located near each corner of the base. There are holes 22 (see FIG. 5) extending through the terminals 20 and the base 10. These holes are arranged at spacings which conform to the spacings of the perforations in a metal panel used as a dispatcher board.
Metal rod prongs 24, 26, 28 and 30 extend through the holes 22 and project laterally from the lower surface of the base 10. The upper ends of these prongs are bent to form heads 32 (see FIG. 5), which seat on the terminals 20 and are secured thereto by solder 34 or other conductive adhesive.
A plurality of small lamps 36 are mounted on the conductive strips. Each lamp has one of its two wire leads soldered to one conductive strip and the other wire lead soldered to another conductive strip. The wire leads perform the dual function of supporting and electrically connecting the lamps. As illustrated in FIGS. 2 and 3 the conductive strip 18 to which is connected prong 28 is common to all lamps. Prong 28 therefore is connected to one sideof the source of electric power. Proceeding from left to right in the sequence as viewed to FIG. 3, it will be seen that: the second and fifth lamps are connected to strip 16 and prong 26; the first and fourth lamps are connected to strip 14 and prong 30; and the third and sixth lamps are connected to strip 12 and prong 24. Thus all six lamps may be energized by connecting thethree prongs 26, 30, and 24 to the other side of the source. Four lamps may be energized and two not energized by disconnecting one of such prongs from such source. Two lamps may be energized and four not energized by disconnecting two of such prongs from such source. This will still cause the translucent cover of the bus to be illuminated throughout but the intensity can thus be varied. If one of such prongs is connected to the other side of the source by a flasher two lamps will flash. This arrangement of circuitry permits many combinations to be fed from switches or computers.
A plastic translucent cover 38 of semioval shape in cross section has its open bottom fitted over the base 10 and cemented thereto. It houses all the lamps and transmits light from almost its entire surface when any one or more of the lamps is energized. Longitudinally extending ridges 40 are formed on the inner faces of the sides of such cover to provide seats or abutments which are engaged by the base for proper positioning.
An important feature of this invention is that the ridges overlie the heads 32 of the prongs (see FIG. 5) and the globs of connecting solder 34 so that any force placed on the cover will be transmitted to the heads of such prongs. In order to have this engagement and still have the ridges engage the periphery of the sides of the base, the ridges 40 are provided with four recesses or notches 42 which are in alignment with a respective head 32. The depth of these notches is proportioned to the height of the glob of solder from the top face of the base.
To mount the illuminated bus on a metal panel of a dispatch board (not shown) the prongs 24, 26, 28, and 30 are inserted in apertures in such board and pressure is applied to the cover 38 to drive the prongs through the imperforate insulating layer (asbestos) customarily mounted on the back of such panel. Because such pressure is distributed direct to the heads 32 and the globs of solder, there will be no tendency to destroy the electrical connection between the prongs and the terminals 20. Also when removing a previously mounted bus for replacement the pulling force on the base and/or cover will be applied to the bent-over heads and thus minimize the force tending to destroy the electrical connection between prongs and terminals.
Where conditions require it, it is contemplated that the covers 38 may be supplied in various colors. The fact that the bus is mounted on the outside face of the panel of a dispatching board permits the entire glow emanating from the cover to be fully viewed from angles with respect to the plane of such panel.
Iclaim:
1. An illuminated bus comprising:
an elongated insulating base having a plurality of separate spaced conductors extending longitudinally on a side thereof;
a plurality of mounting prongs extending through said base and having deformations on the inner ends thereof seated on and secured to said conductors;
several small lamps on said side of said base and connected to selected conductors; and
a translucent cover seated on said base and housing said lamps, said cover having portions overlying said deformations for directly transmitting force to the inner ends of said prongs along the axis thereof.
2. An illuminated bus as set forth in claim 1 in which:
said conductors have terminals through which said prongs extend; and
said deformations are bent-over ends on the inner ends of said prongs.
3. An illuminated bus as set forth in claim 2 in which:
said spaced conductors are substantially parallel and extend longitudinally of said base. 6. An illuminated bus as set forth in claim 5 in which:
each conductor has a terminal only on one end thereof, the
terminal on one conductor being adjacent the end of an adjacent conductor which has no terminal.

Claims (6)

1. An illuminated bus comprising: an elongated insulating base having a plurality of separate spaced conductors extending longitudinally on a side thereof; a plurality of mounting prongs extending through said base and having deformations on the inner ends thereof seated on and secured to said conductors; several small lamps on said side of said base and connected to selected conductors; and a translucent cover seated on said base and housing said lamps, said cover having portions overlying said deformations for directly transmitting force to the inner ends of said prongs along the axis thereof.
2. An illuminated bus as set forth in claim 1 in which: said conductors have terminals through which said prongs extend; and said deformations are bent-over ends on the inner ends of said prongs.
3. An illuminated bus as set forth in claim 2 in which: said portions on said cover are the bottoms of notches in internal ridges, said notches being aligned with said bent-over ends.
4. An illuminated bus as set forth in claim 3 in which: said lamps have two lead wires, one of which is connected to a single conductor and the other of which is connected to one of the other conductors.
5. An illuminated bus as set forth in claim 4 in which: said spaced conductors are substantially parallel and extend longitudinally of said base.
6. An illuminated bus as set forth in claim 5 in which: each conductor has a terminal only on one end thereof, the terminal on one conductor being adjacent the end of an adjacent conductor which has no terminal.
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Cited By (49)

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US3836760A (en) * 1972-01-06 1974-09-17 Hide A Lite Ind Ltd Lighting fixture unit
US3911266A (en) * 1970-10-07 1975-10-07 John Anderson Oram Lamp support assembly
US4630180A (en) * 1984-06-11 1986-12-16 Kabushiki Kaisha Toshiba Light emitting diode array
US4748545A (en) * 1986-02-20 1988-05-31 Reflector Hardware Corporation Illumination systems
US4797795A (en) * 1982-11-19 1989-01-10 Michael Callahan Control system for variable parameter lighting fixtures
US5410459A (en) * 1994-02-15 1995-04-25 Yang; Ping-Kun Lighting ornament
US6575611B2 (en) * 1997-08-12 2003-06-10 Reitter & Schefenacker Gmbh & Co. Kg Support, especially for taillights of motor vehicles, as well as method for fastening electronic components, preferably leds, to such a support
US20050162093A1 (en) * 2000-02-11 2005-07-28 Jos Timmermans Light tube and power supply circuit
US20090135597A1 (en) * 2007-11-27 2009-05-28 Kay Gregory L Linear lamp
US20090159919A1 (en) * 2007-12-20 2009-06-25 Altair Engineering, Inc. Led lighting apparatus with swivel connection
US20090290334A1 (en) * 2008-05-23 2009-11-26 Altair Engineering, Inc. Electric shock resistant l.e.d. based light
US20090303720A1 (en) * 2005-02-28 2009-12-10 Leddynamics, Inc. LED Lighting Device
US20100008085A1 (en) * 2008-07-09 2010-01-14 Altair Engineering, Inc. Method of forming led-based light and resulting led-based light
US20100027259A1 (en) * 2008-07-31 2010-02-04 Altair Engineering, Inc. Fluorescent tube replacement having longitudinally oriented leds
US20100052542A1 (en) * 2008-09-02 2010-03-04 Altair Engineering, Inc. Led lamp failure alerting system
US20100067231A1 (en) * 2008-09-15 2010-03-18 Altair Engineering, Inc. Led-based light having rapidly oscillating leds
US20100103673A1 (en) * 2008-10-24 2010-04-29 Altair Engineering, Inc. End cap substitute for led-based tube replacement light
US20100102730A1 (en) * 2008-10-24 2010-04-29 Altair Engineering, Inc. Light and light sensor
US20100106306A1 (en) * 2008-10-24 2010-04-29 Altair Engineering, Inc. Integration of led lighting with building controls
US20100103664A1 (en) * 2008-10-24 2010-04-29 Altair Engineering, Inc. Lighting including integral communication apparatus
US20100102960A1 (en) * 2008-10-24 2010-04-29 Altair Engineering, Inc. Integration of led lighting control with emergency notification systems
US20100172149A1 (en) * 2007-12-21 2010-07-08 Altair Engineering, Inc. Light distribution using a light emitting diode assembly
US20100177532A1 (en) * 2009-01-15 2010-07-15 Altair Engineering, Inc. Led lens
US20100181925A1 (en) * 2009-01-21 2010-07-22 Altair Engineering, Inc. Ballast/Line Detection Circuit for Fluorescent Replacement Lamps
US20100181933A1 (en) * 2009-01-21 2010-07-22 Altair Engineering, Inc. Direct ac-to-dc converter for passive component minimization and universal operation of led arrays
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US20100321921A1 (en) * 2009-06-23 2010-12-23 Altair Engineering, Inc. Led lamp with a wavelength converting layer
US20100320922A1 (en) * 2009-06-23 2010-12-23 Altair Engineering, Inc. Illumination device including leds and a switching power control system
US20110235318A1 (en) * 2010-03-26 2011-09-29 Altair Engineering, Inc. Led light tube with dual sided light distribution
US8093823B1 (en) 2000-02-11 2012-01-10 Altair Engineering, Inc. Light sources incorporating light emitting diodes
US8299695B2 (en) 2009-06-02 2012-10-30 Ilumisys, Inc. Screw-in LED bulb comprising a base having outwardly projecting nodes
US8330381B2 (en) 2009-05-14 2012-12-11 Ilumisys, Inc. Electronic circuit for DC conversion of fluorescent lighting ballast
US8454193B2 (en) 2010-07-08 2013-06-04 Ilumisys, Inc. Independent modules for LED fluorescent light tube replacement
US8523394B2 (en) 2010-10-29 2013-09-03 Ilumisys, Inc. Mechanisms for reducing risk of shock during installation of light tube
US8540401B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED bulb with internal heat dissipating structures
US8541958B2 (en) 2010-03-26 2013-09-24 Ilumisys, Inc. LED light with thermoelectric generator
US8596813B2 (en) 2010-07-12 2013-12-03 Ilumisys, Inc. Circuit board mount for LED light tube
US8870415B2 (en) 2010-12-09 2014-10-28 Ilumisys, Inc. LED fluorescent tube replacement light with reduced shock hazard
US8901823B2 (en) 2008-10-24 2014-12-02 Ilumisys, Inc. Light and light sensor
US9072171B2 (en) 2011-08-24 2015-06-30 Ilumisys, Inc. Circuit board mount for LED light
US9163794B2 (en) 2012-07-06 2015-10-20 Ilumisys, Inc. Power supply assembly for LED-based light tube
US9184518B2 (en) 2012-03-02 2015-11-10 Ilumisys, Inc. Electrical connector header for an LED-based light
US9267650B2 (en) 2013-10-09 2016-02-23 Ilumisys, Inc. Lens for an LED-based light
US9271367B2 (en) 2012-07-09 2016-02-23 Ilumisys, Inc. System and method for controlling operation of an LED-based light
US9285084B2 (en) 2013-03-14 2016-03-15 Ilumisys, Inc. Diffusers for LED-based lights
US9510400B2 (en) 2014-05-13 2016-11-29 Ilumisys, Inc. User input systems for an LED-based light
US9574717B2 (en) 2014-01-22 2017-02-21 Ilumisys, Inc. LED-based light with addressed LEDs
US10161568B2 (en) 2015-06-01 2018-12-25 Ilumisys, Inc. LED-based light with canted outer walls
AT507057A3 (en) * 2008-07-04 2022-11-15 Rp Technik Gmbh UNIVERSAL LUMINAIRE FOR USE AS EXIT SIGN AND ESCAPE ROUTE LIGHTING

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US2567189A (en) * 1949-07-25 1951-09-11 John D Davis Television reporting system
US2745094A (en) * 1953-04-21 1956-05-08 Marco Ind Company Block type panel indicator light
US2797407A (en) * 1955-12-06 1957-06-25 Grimes Mfg Company Indicator light
GB778438A (en) * 1955-07-15 1957-07-10 Lo Hung Hing Improvements in and relating to electric torches and like lamps
US3419857A (en) * 1964-10-08 1968-12-31 Beta Corp Annunciator system

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US1222092A (en) * 1915-05-03 1917-04-10 Fred G Dickerson Display apparatus.
US2567189A (en) * 1949-07-25 1951-09-11 John D Davis Television reporting system
US2745094A (en) * 1953-04-21 1956-05-08 Marco Ind Company Block type panel indicator light
GB778438A (en) * 1955-07-15 1957-07-10 Lo Hung Hing Improvements in and relating to electric torches and like lamps
US2797407A (en) * 1955-12-06 1957-06-25 Grimes Mfg Company Indicator light
US3419857A (en) * 1964-10-08 1968-12-31 Beta Corp Annunciator system

Cited By (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911266A (en) * 1970-10-07 1975-10-07 John Anderson Oram Lamp support assembly
US3836760A (en) * 1972-01-06 1974-09-17 Hide A Lite Ind Ltd Lighting fixture unit
US4797795A (en) * 1982-11-19 1989-01-10 Michael Callahan Control system for variable parameter lighting fixtures
US4630180A (en) * 1984-06-11 1986-12-16 Kabushiki Kaisha Toshiba Light emitting diode array
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