IT1097518B - Circuito di controllo per lampade a luminescenza - Google Patents

Circuito di controllo per lampade a luminescenza

Info

Publication number
IT1097518B
IT1097518B IT25500/78A IT2550078A IT1097518B IT 1097518 B IT1097518 B IT 1097518B IT 25500/78 A IT25500/78 A IT 25500/78A IT 2550078 A IT2550078 A IT 2550078A IT 1097518 B IT1097518 B IT 1097518B
Authority
IT
Italy
Prior art keywords
control circuit
luminescence lamps
luminescence
lamps
circuit
Prior art date
Application number
IT25500/78A
Other languages
English (en)
Other versions
IT7825500A0 (it
Original Assignee
Energy Conversion Devices 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 Energy Conversion Devices Inc filed Critical Energy Conversion Devices Inc
Publication of IT7825500A0 publication Critical patent/IT7825500A0/it
Application granted granted Critical
Publication of IT1097518B publication Critical patent/IT1097518B/it

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
    • H05B41/14—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
    • 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
    • Y10S315/05—Starting and operating circuit for fluorescent lamp
    • 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
IT25500/78A 1977-07-11 1978-07-10 Circuito di controllo per lampade a luminescenza IT1097518B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/814,383 US4158793A (en) 1977-07-11 1977-07-11 Gas discharge lamp control circuit

Publications (2)

Publication Number Publication Date
IT7825500A0 IT7825500A0 (it) 1978-07-10
IT1097518B true IT1097518B (it) 1985-08-31

Family

ID=25214904

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25500/78A IT1097518B (it) 1977-07-11 1978-07-10 Circuito di controllo per lampade a luminescenza

Country Status (6)

Country Link
US (1) US4158793A (it)
JP (1) JPS5439972A (it)
DE (1) DE2829986A1 (it)
FR (1) FR2397768A1 (it)
GB (1) GB2001811A (it)
IT (1) IT1097518B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441563B (sv) * 1980-04-09 1985-10-14 Selfrid Gunnar Ohlund Styranordning for en omvandlare-stromventil for drift av ett gasurladdningsror fran en likstromskella
USRE32341E (en) * 1981-02-10 1987-01-27 Disco light assembly
US4399391A (en) * 1981-06-10 1983-08-16 General Electric Company Circuit for starting and operating fluorescent lamps
GB2117192B (en) * 1982-02-26 1986-01-02 Transtar Limited Lamp control circuit
GB2120869A (en) * 1982-05-04 1983-12-07 Gen Electric Controlling the output level of an electrical power supply
US5047696A (en) * 1982-12-16 1991-09-10 Nilssen Ole K Power-limited ceiling lighting system
US5479326A (en) * 1983-01-18 1995-12-26 Nilssen; Ole K. Ceiling system with readily movable lighting panels
FR2559334B1 (fr) * 1984-02-03 1988-02-26 Ssih Equipment Sa Dispositif d'alimentation pour commander l'intensite lumineuse d'au moins une lampe a decharge et utilisation dudit dispositif
JPS60163397A (ja) * 1984-02-03 1985-08-26 シャープ株式会社 螢光灯点灯装置
EP0176563A4 (en) * 1984-03-28 1986-05-12 Electronic Transformer Corp BALLAST AND CONTROL UNIT FOR ELECTRIC DISCHARGE BULB.
JPS6212097A (ja) * 1985-07-10 1987-01-21 株式会社日立製作所 蛍光ランプ点灯装置
US4742276A (en) * 1986-07-25 1988-05-03 The Perkin-Elmer Corporation Regulated deuterium arc supply system
US4870327A (en) * 1987-07-27 1989-09-26 Avtech Corporation High frequency, electronic fluorescent lamp ballast
US5023518A (en) * 1988-12-12 1991-06-11 Joseph A. Urda Ballast circuit for gaseous discharge lamp
US5041767A (en) * 1990-03-30 1991-08-20 Bertonee Inc. Digital controller for gas discharge tube
US5021714A (en) * 1990-05-10 1991-06-04 Valmont Industries, Inc. Circuit for starting and operating fluorescent lamps
US5173643A (en) * 1990-06-25 1992-12-22 Lutron Electronics Co., Inc. Circuit for dimming compact fluorescent lamps
DE4039498B4 (de) * 1990-07-13 2006-06-29 Lutron Electronics Co., Inc. Schaltkreis und Verfahren zum Dimmen von Gasentladungslampen
US5068577A (en) * 1990-11-19 1991-11-26 Integrated Systems Engineering, Inc. Constant current drive system for fluorescent tubes
US5386181A (en) * 1992-01-24 1995-01-31 Neon Dynamics Corporation Swept frequency switching excitation supply for gas discharge tubes
US5530321A (en) * 1995-02-21 1996-06-25 Sears; Lawrence M. Power supply for a gas discharge lamp

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668259A (en) * 1950-02-16 1954-02-02 Raytheon Mfg Co Electrical circuit
US2697801A (en) * 1953-09-30 1954-12-21 William S H Hamilton Instant starting circuit for fluorescent lamps
US2810862A (en) * 1955-12-14 1957-10-22 Faximile Inc Fluorescent lamp control apparatus
US2961579A (en) * 1958-06-16 1960-11-22 Day Ray Products Inc Dimming circuits for fluorescent lamps
US3611024A (en) * 1968-07-23 1971-10-05 Matsushita Electric Ind Co Ltd Semiconductor apparatus for controlling the brightness of a discharge lamp
US3638070A (en) * 1969-10-17 1972-01-25 Richard W Powell Fluorescent lamp starting and control circuit
US3720861A (en) * 1970-12-21 1973-03-13 Teletype Corp Fluorescent lamp igniting circuit
US3753040A (en) * 1971-12-10 1973-08-14 Ims Corp Fluorescent lamp strobing circuit
GB1363085A (en) * 1972-10-13 1974-08-14 Holley J E F Fluorescent tube operating circuit

Also Published As

Publication number Publication date
US4158793A (en) 1979-06-19
GB2001811A (en) 1979-02-07
DE2829986A1 (de) 1979-02-01
FR2397768A1 (fr) 1979-02-09
IT7825500A0 (it) 1978-07-10
JPS5439972A (en) 1979-03-28

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