BR8704920A - Reator de wattagem de linha e de lampada constantes - Google Patents

Reator de wattagem de linha e de lampada constantes

Info

Publication number
BR8704920A
BR8704920A BR8704920A BR8704920A BR8704920A BR 8704920 A BR8704920 A BR 8704920A BR 8704920 A BR8704920 A BR 8704920A BR 8704920 A BR8704920 A BR 8704920A BR 8704920 A BR8704920 A BR 8704920A
Authority
BR
Brazil
Prior art keywords
reactor
containing line
lamp wattage
wattage
lamp
Prior art date
Application number
BR8704920A
Other languages
English (en)
Inventor
Sidney Allan Ottenstein
Original Assignee
Innovative Controls Inc
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 Innovative Controls Inc filed Critical Innovative Controls Inc
Publication of BR8704920A publication Critical patent/BR8704920A/pt

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2926—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
BR8704920A 1986-09-25 1987-09-24 Reator de wattagem de linha e de lampada constantes BR8704920A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/911,526 US4999547A (en) 1986-09-25 1986-09-25 Ballast for high pressure sodium lamps having constant line and lamp wattage

Publications (1)

Publication Number Publication Date
BR8704920A true BR8704920A (pt) 1988-05-17

Family

ID=25430394

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8704920A BR8704920A (pt) 1986-09-25 1987-09-24 Reator de wattagem de linha e de lampada constantes

Country Status (11)

Country Link
US (1) US4999547A (pt)
EP (1) EP0327537A1 (pt)
KR (1) KR880004719A (pt)
AU (1) AU7889087A (pt)
BR (1) BR8704920A (pt)
DK (1) DK501787A (pt)
FI (1) FI874106A (pt)
HU (1) HUT44886A (pt)
IL (1) IL82211A0 (pt)
NO (1) NO873991L (pt)
WO (1) WO1988002590A1 (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270620A (en) * 1990-09-04 1993-12-14 General Electric Company High frequency resonant converter for operating metal halide lamps
US5155415A (en) * 1990-09-26 1992-10-13 Litebeams, Inc. High voltage driver for gas discharge lamps
FI95420C (fi) * 1991-11-13 1997-05-14 Heikki Korkala Älykäs lamppu tai lampun älykäs liitäntäkanta
US5382881A (en) * 1992-12-28 1995-01-17 North American Philips Corporation Ballast stabilization circuitry for eliminating moding or oscillation of the current envelope in gas discharge lamps and method of operating
US5428268A (en) * 1993-07-12 1995-06-27 Led Corporation N.V. Low frequency square wave electronic ballast for gas discharge
US5426350A (en) * 1993-11-18 1995-06-20 Electric Power Research Institute, Inc. High frequency transformerless electronics ballast using double inductor-capacitor resonant power conversion for gas discharge lamps
US5686799A (en) * 1994-03-25 1997-11-11 Pacific Scientific Company Ballast circuit for compact fluorescent lamp
US6037722A (en) * 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5821699A (en) * 1994-09-30 1998-10-13 Pacific Scientific Ballast circuit for fluorescent lamps
US5691606A (en) * 1994-09-30 1997-11-25 Pacific Scientific Company Ballast circuit for fluorescent lamp
US5596247A (en) * 1994-10-03 1997-01-21 Pacific Scientific Company Compact dimmable fluorescent lamps with central dimming ring
US5629844A (en) * 1995-04-05 1997-05-13 International Power Group, Inc. High voltage power supply having multiple high voltage generators
CA2255732C (en) * 1996-03-18 2004-10-19 Gad Products, S.A. De C.V. High-efficiency self-regulated electronic ballast with a single characteristic curve for operating high-pressure sodium vapour lamps
US5925986A (en) * 1996-05-09 1999-07-20 Pacific Scientific Company Method and apparatus for controlling power delivered to a fluorescent lamp
US5866993A (en) * 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction
US5798617A (en) * 1996-12-18 1998-08-25 Pacific Scientific Company Magnetic feedback ballast circuit for fluorescent lamp
US6167062A (en) * 1998-02-02 2000-12-26 Tellabs Operations, Inc. System and associated method for the synchronization and control of multiplexed payloads over a telecommunications network
US6388392B1 (en) 1999-03-23 2002-05-14 Hubbell Incorporated System for providing auxiliary power to lighting unit for heavy equipment having a direct current power supply and no uninterruptible power supply
US6794826B2 (en) * 2001-11-14 2004-09-21 Delta Power Supply, Inc. Apparatus and method for lamp ignition control
GB2397182B (en) * 2002-12-31 2006-05-31 David John Aarons Gas discharge lamp drive circuitry
CA2480185A1 (en) * 2003-09-02 2005-03-02 Arris International, Inc. Method and system for power supply control using a fixed-frequency pulse width modulation control circuit
US7382099B2 (en) * 2004-11-12 2008-06-03 General Electric Company Striation control for current fed electronic ballast
DE102006017341A1 (de) * 2006-04-11 2007-10-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Reduzierte Verlustleistung in Elektronischen Vorschaltgeräten (EVGs)
US7915837B2 (en) * 2008-04-08 2011-03-29 Lumetric, Inc. Modular programmable lighting ballast
US8143811B2 (en) * 2008-06-25 2012-03-27 Lumetric, Inc. Lighting control system and method
US20100262296A1 (en) * 2008-06-25 2010-10-14 HID Laboratories, Inc. Lighting control system and method
US8294376B2 (en) 2010-05-30 2012-10-23 Lumetric Lighting, Inc. Fast reignition of a high intensity discharge lamp

Family Cites Families (159)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277677A (fr) 1961-01-13 1961-12-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Appareil à impulsions pour lampes à décharge
US3247422A (en) * 1961-06-01 1966-04-19 Gen Electric Transistor inverter ballasting circuit
US3249805A (en) * 1962-04-26 1966-05-03 Superior Electric Co Light control circuit
US3265930A (en) * 1962-05-03 1966-08-09 Gen Electric Current level switching apparatus for operating electric discharge lamps
US3222572A (en) * 1962-07-23 1965-12-07 Gen Electric Apparatus for operating electric discharge devices
US3259797A (en) * 1962-12-05 1966-07-05 Engelhard Ind Inc Arc lamp starter
US3309567A (en) * 1965-10-22 1967-03-14 Berkey Photo Inc Pulse discharge lamp circuit
US3500128A (en) * 1967-12-21 1970-03-10 Sola Basic Ind Inc High pressure metallic vapor lamp circuit
US3482142A (en) * 1967-12-29 1969-12-02 Sylvania Electric Prod Regulating system for arc discharge devices having means to compensate for supply voltage and load variations
US3486070A (en) * 1968-04-29 1969-12-23 Westinghouse Electric Corp Solid-state constant power ballast for electric discharge device
US3505562A (en) * 1968-04-29 1970-04-07 Westinghouse Electric Corp Single transistor inverter with a gas tube connected directly to the transistor
US3541421A (en) * 1968-07-10 1970-11-17 Union Carbide Corp High power factor circuit for reactive loads
US3579026A (en) * 1969-01-02 1971-05-18 Sylvania Electric Prod Lamp ballast
US3582708A (en) * 1969-02-25 1971-06-01 Esquire Inc Continuous lighting systems for gaseous-discharge lamps with incandescent lamps on standby
US3590316A (en) * 1969-03-17 1971-06-29 Westinghouse Electric Corp Phase-controlled universal ballast for discharge devices
US3619713A (en) * 1969-04-01 1971-11-09 Sola Basic Ind Inc High-frequency lamp circuit for copying apparatus
US3659146A (en) * 1970-02-20 1972-04-25 Emerson Electric Co Auxiliary lighting system for use particularly with high pressure metal vapor lamps
US3689827A (en) * 1970-12-30 1972-09-05 Wagner Electric Corp Voltage and current regulated power supply circuit for gaseous discharge lamp
US3681654A (en) * 1971-02-18 1972-08-01 Wagner Electric Corp Light-regulating power supply circuit for gaseous discharge lamp
US3754160A (en) * 1971-10-28 1973-08-21 Radiant Ind Inc Four-lamp driver circuit for fluorescent lamps
BE794165A (fr) * 1972-01-19 1973-07-17 Philips Nv Dispositif muni d'une lampe a decharge dans le gaz et/ou dans la vapeur
US3876855A (en) * 1972-02-18 1975-04-08 Matsushita Electric Ind Co Ltd Tungsten inert gas arc striking device
CA1026817A (en) * 1972-05-09 1978-02-21 Michel Remery Electrical circuit for igniting and supplying a discharge lamp
IT986838B (it) * 1972-05-12 1975-01-30 Sclavo Inst Sieroterapeut Complesso di reagenti per la deter minazione enzimatica del glucosio sistema glucosio ossidasi perossi dasi con metodo manuale e automati co con lettura a termine o in cinetica
USRE29498E (en) * 1972-05-12 1977-12-20 Istituto Sieroterapico e Vaccinogeno Toscano "SCLAVO", S.p.A. Process for the enzymatic determination of glucose with a glucose-oxydazed/peroxidazed enzyme system
US3753071A (en) * 1972-06-15 1973-08-14 Westinghouse Electric Corp Low cost transistorized inverter
US3870943A (en) * 1972-08-17 1975-03-11 Bell Telephone Labor Inc Converter circuit with correction circuitry to maintain signal symmetry in the switching devices
US3771068A (en) * 1973-01-02 1973-11-06 Gte Sylvania Inc Constant wattage autotransformer ballast for high pressure sodium lamp
US3927348A (en) * 1973-07-17 1975-12-16 Ram Meter Inc Control circuits for auxiliary light source for use with high intensity discharge lamps
US3882354A (en) * 1973-07-23 1975-05-06 Coleman Company Inverter ballast circuit for fluorescent lamp
US4023067A (en) * 1973-09-20 1977-05-10 Lighting Systems, Inc. Inverter ballast circuit
US3873882A (en) * 1973-10-05 1975-03-25 Leviton Manufacturing Co Auxiliary lighting system for a gaseous discharge lamp
US3890537A (en) * 1974-01-02 1975-06-17 Gen Electric Solid state chopper ballast for gaseous discharge lamps
US3969652A (en) * 1974-01-04 1976-07-13 General Electric Company Electronic ballast for gaseous discharge lamps
US3921035A (en) * 1974-01-15 1975-11-18 Esquire Inc Solid state switching circuit
US3894265A (en) * 1974-02-11 1975-07-08 Esquire Inc High intensity lamp dimming circuit
US3927349A (en) * 1974-04-11 1975-12-16 Us Air Force Zero crossing SCR light dimmer
US3931543A (en) * 1974-09-30 1976-01-06 General Electric Company Starting and operating circuit for gaseous discharge lamps
US3944876A (en) * 1974-09-30 1976-03-16 Chadwick-Helmuth Company, Inc. Rapid starting of gas discharge lamps
US4004187A (en) * 1974-10-21 1977-01-18 General Electric Company Push-pull inverter ballast for arc discharge lamps
US4072878A (en) * 1975-01-10 1978-02-07 Westinghouse Electric Corporation Starting and operating apparatus for high pressure sodium lamp ballasts
US3967159A (en) * 1975-02-03 1976-06-29 Morton B. Leskin Power supply for a laser or gas discharge lamp
US4016451A (en) * 1975-03-13 1977-04-05 Westinghouse Electric Corporation High pressure discharge lamp dimming circuit utilizing variable duty-cycle photocoupler
US4087702A (en) * 1976-03-09 1978-05-02 Kirby James P Digital electronic dimmer
USRE30296E (en) * 1975-03-17 1980-06-03 Digital electronic dimmer
US4066930A (en) * 1975-04-02 1978-01-03 Electrides Corporation Energizing circuits for fluorescent lamps
US3999100A (en) * 1975-05-19 1976-12-21 Morton B. Leskin Lamp power supply using a switching regulator and commutator
US4037148A (en) * 1975-08-15 1977-07-19 General Electric Company Ballast control device
US4004188A (en) * 1975-09-26 1977-01-18 General Electric Company Starting circuit for inverter operated gaseous discharge lamps
US3989976A (en) * 1975-10-07 1976-11-02 Westinghouse Electric Corporation Solid-state hid lamp dimmer
US4042856A (en) * 1975-10-28 1977-08-16 General Electric Company Chopper ballast for gaseous discharge lamps with auxiliary capacitor energy storage
US4060752A (en) * 1976-03-01 1977-11-29 General Electric Company Discharge lamp auxiliary circuit with dI/dt switching control
US4060751A (en) * 1976-03-01 1977-11-29 General Electric Company Dual mode solid state inverter circuit for starting and ballasting gas discharge lamps
US4039897A (en) * 1976-03-08 1977-08-02 Dragoset James E System for controlling power applied to a gas discharge lamp
US4236100A (en) * 1978-11-17 1980-11-25 Esquire, Inc. Lighting circuits
FR2352466A1 (fr) * 1976-05-18 1977-12-16 France Etat Dispositifs d'alimentation en courant continu des lampes a decharge et appareils d'eclairage equipes de ces dispositifs
US4051413A (en) * 1976-05-26 1977-09-27 Abadie Henry J L Transistorized static inverters
US4074170A (en) * 1976-06-21 1978-02-14 Vivitar Corporation Voltage regulator with thermal overload protection
JPS5324173U (pt) * 1976-08-09 1978-03-01
US4156166A (en) * 1976-08-18 1979-05-22 Royal Industries, Inc. Method and apparatus for saving energy
DE2648878C3 (de) * 1976-10-28 1981-11-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur Herstellung eines Wärmestrahlen-Sperrfilters
US4075476A (en) * 1976-12-20 1978-02-21 Gte Sylvania Incorporated Sinusoidal wave oscillator ballast circuit
US4162429A (en) * 1977-03-11 1979-07-24 Westinghouse Electric Corp. Ballast circuit for accurately regulating HID lamp wattage
US4163923B1 (en) * 1977-03-15 1987-05-12 William H Gibson Variable duty cycle lamp circuit
US4100462A (en) * 1977-05-11 1978-07-11 Mclellan Norvel Jeff Combination incandescent/fluorescent lighting system
US4127795A (en) * 1977-08-19 1978-11-28 Gte Sylvania Incorporated Lamp ballast circuit
US4238710A (en) * 1978-12-27 1980-12-09 Datapower, Inc. Symmetry regulated high frequency ballast
US4253046A (en) * 1978-12-11 1981-02-24 Datapower, Inc. Variable intensity control apparatus for operating a gas discharge lamp
US4266165A (en) * 1978-12-27 1981-05-05 Datapower, Inc. High intensity discharge lamp starting circuit
US4151445A (en) * 1978-02-15 1979-04-24 General Electric Company Instant light lamp control circuit
US4240009A (en) * 1978-02-27 1980-12-16 Paul Jon D Electronic ballast
US4277728A (en) * 1978-05-08 1981-07-07 Stevens Luminoptics Power supply for a high intensity discharge or fluorescent lamp
US4188660A (en) * 1978-05-22 1980-02-12 Gte Sylvania Incorporated Direct drive ballast circuit
US4289993A (en) * 1978-06-02 1981-09-15 Quietlite International, Ltd. Direct current power source for an electric discharge lamp
US4206385A (en) * 1978-07-31 1980-06-03 Advance Transformer Company Ballast de-energizing circuit for high pressure metal vapor lamp system
US4236101A (en) * 1978-08-18 1980-11-25 Lutron Electronics Co., Inc. Light control system
US4287468A (en) * 1978-08-28 1981-09-01 Robert Sherman Dimmer control system
US4277726A (en) * 1978-08-28 1981-07-07 Litton Systems, Inc. Solid-state ballast for rapid-start type fluorescent lamps
US4204141A (en) * 1978-09-11 1980-05-20 Esquire, Inc. Adjustable DC pulse circuit for variation over a predetermined range using two timer networks
US4170747A (en) * 1978-09-22 1979-10-09 Esquire, Inc. Fixed frequency, variable duty cycle, square wave dimmer for high intensity gaseous discharge lamp
US4221994A (en) * 1978-11-09 1980-09-09 Demetron Research Corporation Photo curing light source
US4210846A (en) * 1978-12-05 1980-07-01 Lutron Electronics Co., Inc. Inverter circuit for energizing and dimming gas discharge lamps
US4245177A (en) * 1978-12-29 1981-01-13 General Electric Company Inverter for operating a gaseous discharge lamp
US4199710A (en) * 1979-02-12 1980-04-22 Gte Sylvania Incorporated Ballast circuit for high intensity discharge (HID) lamps
US4234823A (en) * 1979-02-14 1980-11-18 National Computer Sign Company Ballast circuit for low pressure gas discharge lamp
US4241295A (en) * 1979-02-21 1980-12-23 Williams Walter E Jr Digital lighting control system
US4242614A (en) * 1979-02-26 1980-12-30 General Electric Company Lighting control system
US4219760A (en) * 1979-03-22 1980-08-26 General Electric Company SEF Lamp dimming
US4232252A (en) * 1979-04-13 1980-11-04 General Electric Company Lighting network including a gas discharge lamp and standby lamp
US4237403A (en) * 1979-04-16 1980-12-02 Berkleonics, Inc. Power supply for fluorescent lamp
US4251752A (en) * 1979-05-07 1981-02-17 Synergetics, Inc. Solid state electronic ballast system for fluorescent lamps
US4350930A (en) * 1979-06-13 1982-09-21 General Electric Company Lighting unit
US4286195A (en) * 1979-07-05 1981-08-25 Vultron, Inc. Dimmer circuit for fluorescent lamps
US4259614A (en) * 1979-07-20 1981-03-31 Kohler Thomas P Electronic ballast-inverter for multiple fluorescent lamps
GB2061034B (en) * 1979-10-05 1983-02-16 Victor Products Ltd Power supply systems
US4258295A (en) * 1979-11-05 1981-03-24 Unicorn Electrical Products Timed ballast circuit for sodium vapor lamp
US4323824A (en) * 1979-12-21 1982-04-06 Gte Products Corporation Low voltage fluorescent operating circuit
EP0033678B1 (fr) * 1980-01-31 1985-04-17 Videocolor Procédé d'entretien pour un circuit électrique oscillant et dispositif de déviation horizontale pour tube cathodique mettant en oeuvre ce procédé
US4350935A (en) * 1980-03-28 1982-09-21 Lutron Electronics Co., Inc. Gas discharge lamp control
US4358716A (en) 1980-04-14 1982-11-09 White Castle System, Inc. Adjustable electrical power control for gas discharge lamps and the like
JPS56149799A (en) 1980-04-21 1981-11-19 Matsushita Electric Ind Co Ltd Device for firint high voltage discharge lamp
US4346331A (en) * 1980-05-27 1982-08-24 Enertron, Inc. Feedback control system for applying AC power to ballasted lamps
US4441056A (en) 1980-06-05 1984-04-03 Unicorn Electrical Products High pressure sodium lamp ballast circuit
JPS575293A (en) 1980-06-12 1982-01-12 Matsushita Electric Ind Co Ltd Device for firing high voltage discharge lamp
US4348615A (en) * 1980-07-01 1982-09-07 Gte Products Corporation Discharge lamp operating circuit
JPS6057673B2 (ja) 1980-09-03 1985-12-16 株式会社エルモ社 交流放電灯の電源装置
US4373146A (en) 1980-10-20 1983-02-08 Gte Products Corporation Method and circuit for operating discharge lamp
US4378514A (en) 1980-10-27 1983-03-29 General Electric Company Starting and operating circuit for gaseous discharge lamps
US4388562A (en) 1980-11-06 1983-06-14 Astec Components, Ltd. Electronic ballast circuit
US4647830A (en) 1980-11-13 1987-03-03 Candela Corporation Series inverter circuit with timing responsive to reflective current
US4370600A (en) 1980-11-26 1983-01-25 Honeywell Inc. Two-wire electronic dimming ballast for fluorescent lamps
US4392087A (en) 1980-11-26 1983-07-05 Honeywell, Inc. Two-wire electronic dimming ballast for gaseous discharge lamps
US4353010A (en) 1980-12-19 1982-10-05 Gte Products Corporation Transistor drive scheme for fluorscent lamp ballast
US4322817A (en) * 1980-12-29 1982-03-30 Gte Automatic Electric Labs Inc. Switching regulated pulse width modulated push-pull converter
US4368406A (en) 1980-12-29 1983-01-11 Ford Motor Company Lamp dimmer control with integral ambient sensor
US4464606A (en) 1981-03-25 1984-08-07 Armstrong World Industries, Inc. Pulse width modulated dimming arrangement for fluorescent lamps
US4396872A (en) 1981-03-30 1983-08-02 General Mills, Inc. Ballast circuit and method for optimizing the operation of high intensity discharge lamps in the growing of plants
US4447748A (en) 1981-04-27 1984-05-08 Westinghouse Electric Corp. High temperature corrosion and erosion resistant electrode
FR2506554A1 (fr) 1981-05-20 1982-11-26 Signaux Entr Electriques Dispositif d'alimentation electronique pour lampes a decharge
FI61781C (fi) * 1981-06-15 1982-09-10 Helvar Oy Effektregulator speciellt ljusregulator
US4415839A (en) 1981-11-23 1983-11-15 Lesea Ronald A Electronic ballast for gaseous discharge lamps
US4441053A (en) 1981-11-27 1984-04-03 Data-Design Laboratories Switched mode electrode ballast
US4525650A (en) 1982-02-11 1985-06-25 North American Philips Lighting Corporation Starting and operating method and apparatus for discharge lamps
GB2117192B (en) 1982-02-26 1986-01-02 Transtar Limited Lamp control circuit
NL8201631A (nl) 1982-04-20 1983-11-16 Philips Nv Gelijkstroom-wisselstroomomzetter voor het ontsteken en met wisselstroom voeden van een gas- en/of dampontladingslamp.
DE3214669C2 (de) 1982-04-21 1986-03-27 Norka Norddeutsche Kunststoff- Und Elektro-Gesellschaft Staecker & Co., 3091 Huelsen Anordnung zum Betrieb von Entladungslampen
US4644228A (en) 1985-01-14 1987-02-17 Nilssen Ole K Series-resonant parallel-loaded fluorescent lamp ballast
US4503363A (en) 1983-02-22 1985-03-05 Nilssen Ole K Electronic ballast circuit for fluorescent lamps
US4538095A (en) 1983-06-03 1985-08-27 Nilssen Ole K Series-resonant electronic ballast circuit
US4475065A (en) 1982-09-02 1984-10-02 North American Philips Lighting Corporation Method of operating HID sodium lamp to minimize lamp voltage variation throughout lamp life
US4501994A (en) 1982-09-02 1985-02-26 Cooper Industries, Inc. Ballast modifying device and lead-type ballast for programming and controlling the operating performance of an hid sodium lamp
DE3236703A1 (de) 1982-10-04 1984-04-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen
US4437043A (en) 1982-11-22 1984-03-13 Cornell-Dubilier Electric Corporation Lighting control for high intensity discharge lamp
NL8205026A (nl) 1982-12-29 1984-07-16 Philips Nv Inrichting voorzien van een met tenminste twee inwendige elektroden uitgeruste metaaldampontladingsbuis.
US4498031A (en) 1983-01-03 1985-02-05 North American Philips Corporation Variable frequency current control device for discharge lamps
US4585974A (en) 1983-01-03 1986-04-29 North American Philips Corporation Varible frequency current control device for discharge lamps
US4513227A (en) 1983-01-10 1985-04-23 Gte Products Corporation High intensity discharge (HID) lamp starting apparatus
US4634932A (en) 1983-01-18 1987-01-06 Nilssen Ole K Lighting system
US4609850A (en) 1983-06-01 1986-09-02 Intent Patents A.G. Current driven gain controlled electronic ballast system
US4503362A (en) 1983-06-01 1985-03-05 Intent Patent A.G. Frequency stabilized, gain controlled ballast system
US4563616A (en) 1983-06-13 1986-01-07 Stevens Carlile R Non-saturating, self-driven switching inverter for gas discharge devices
US4511195A (en) 1983-06-30 1985-04-16 Beckman Instruments, Inc. Device for starting and operating gas discharge tubes
US4631450A (en) 1983-12-28 1986-12-23 North American Philips Lighting Corporation Ballast adaptor for improving operation of fluorescent lamps
US4644227A (en) 1984-01-26 1987-02-17 General Electric Company Three lamp ballast
JPS60163397A (ja) 1984-02-03 1985-08-26 シャープ株式会社 螢光灯点灯装置
US4612479A (en) 1984-07-20 1986-09-16 Honeywell Inc. Fluorescent light controller
US4631449A (en) 1984-08-06 1986-12-23 General Electric Company Integral crystal-controlled line-voltage ballast for compact RF fluorescent lamps
US4613796A (en) 1984-08-13 1986-09-23 Gte Products Corporation Single transistor oscillator ballast circuit
US4604552A (en) 1984-08-30 1986-08-05 General Electric Company Retrofit fluorescent lamp energy management/dimming system
US4613792A (en) 1984-10-10 1986-09-23 Kroessler Peter R Symmetrical load power reduction device for lighting fixtures
DE3441992A1 (de) 1984-11-16 1986-05-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Schaltungsanordnung zur zuendung einer niederdruckentladungslampe
US4609849A (en) 1984-12-06 1986-09-02 General Electric Company High pressure sodium vapor lamp having D.C. resistive ballast circuits
DE3445817A1 (de) * 1984-12-15 1986-06-26 Wolfgang Dipl.-Ing. 6232 Bad Soden Renner Schaltungsanordnung zum betrieb einer hochdruck-entladungslampe an niedervolt-gleichspannung
US4612478A (en) 1984-12-19 1986-09-16 Payne Stephen C Dimmer circuit for high intensity discharge lamp
US4652797A (en) 1985-01-22 1987-03-24 Nilssen Ole K Electronic ballast with high power factor
US4641061A (en) 1985-04-22 1987-02-03 Emerson Electric Co. Solid state ballast for gaseous discharge lamps
US4614898A (en) 1985-06-24 1986-09-30 General Electric Company Electronic ballast with low frequency AC to AC converter
US4682084A (en) 1985-08-28 1987-07-21 Innovative Controls, Incorporated High intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lamp
US4651060A (en) 1985-11-13 1987-03-17 Electro Controls Inc. Method and apparatus for dimming fluorescent lights

Also Published As

Publication number Publication date
FI874106A0 (fi) 1987-09-21
DK501787A (da) 1988-03-26
AU7889087A (en) 1988-03-31
US4999547A (en) 1991-03-12
NO873991D0 (no) 1987-09-24
IL82211A0 (en) 1987-10-30
WO1988002590A1 (en) 1988-04-07
EP0327537A1 (en) 1989-08-16
DK501787D0 (da) 1987-09-24
HUT44886A (en) 1988-04-28
KR880004719A (ko) 1988-06-07
FI874106A (fi) 1988-03-26
NO873991L (no) 1988-03-28

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