GB1511237A - Circuits for operating electric discharge lamps - Google Patents

Circuits for operating electric discharge lamps

Info

Publication number
GB1511237A
GB1511237A GB29290/74A GB2929074A GB1511237A GB 1511237 A GB1511237 A GB 1511237A GB 29290/74 A GB29290/74 A GB 29290/74A GB 2929074 A GB2929074 A GB 2929074A GB 1511237 A GB1511237 A GB 1511237A
Authority
GB
United Kingdom
Prior art keywords
lamp
supply
voltage
triac
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB29290/74A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB29290/74A priority Critical patent/GB1511237A/en
Priority to NZ177917A priority patent/NZ177917A/xx
Priority to US05/590,296 priority patent/US4015167A/en
Priority to AU82540/75A priority patent/AU8254075A/en
Priority to JP50081389A priority patent/JPS5125384A/ja
Priority to FR7520635A priority patent/FR2277493A1/fr
Publication of GB1511237A publication Critical patent/GB1511237A/en
Expired legal-status Critical Current

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
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
    • 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
    • Y10S315/02—High frequency starting operation 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
    • Y10S315/05—Starting and operating circuit for fluorescent lamp

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
GB29290/74A 1974-07-02 1974-07-02 Circuits for operating electric discharge lamps Expired GB1511237A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB29290/74A GB1511237A (en) 1974-07-02 1974-07-02 Circuits for operating electric discharge lamps
NZ177917A NZ177917A (en) 1974-07-02 1975-06-23 Discharge lamp circuit: circuit phase change varies operation
US05/590,296 US4015167A (en) 1974-07-02 1975-06-25 Circuits for operating electric discharge lamps
AU82540/75A AU8254075A (en) 1974-07-02 1975-06-27 Circuits for operating electric discharge lamps
JP50081389A JPS5125384A (en) 1974-07-02 1975-07-01 Hodenranpuno kidokairo
FR7520635A FR2277493A1 (fr) 1974-07-02 1975-07-01 Circuit de commande d'une lampe a decharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29290/74A GB1511237A (en) 1974-07-02 1974-07-02 Circuits for operating electric discharge lamps

Publications (1)

Publication Number Publication Date
GB1511237A true GB1511237A (en) 1978-05-17

Family

ID=10289196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29290/74A Expired GB1511237A (en) 1974-07-02 1974-07-02 Circuits for operating electric discharge lamps

Country Status (6)

Country Link
US (1) US4015167A (enExample)
JP (1) JPS5125384A (enExample)
AU (1) AU8254075A (enExample)
FR (1) FR2277493A1 (enExample)
GB (1) GB1511237A (enExample)
NZ (1) NZ177917A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150536A1 (en) * 1983-12-28 1985-08-07 North American Philips Lighting Corporation Ballast adaptor for improving operation of fluorescent lamps

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119887A (en) * 1975-06-27 1978-10-10 Hitachi, Ltd. Starter for discharge lamp
GB1561621A (en) * 1977-02-09 1980-02-27 Gen Electric Circuits for operating discharge lamps
GB1593544A (en) * 1977-06-27 1981-07-15 Gen Electric Co Ltd Circuits for operating electric discharge lamps
IL55875A (en) * 1978-11-06 1981-07-31 Univ Ben Gurion Eletronic starters for discharge lamps
JPS5688297A (en) * 1979-12-20 1981-07-17 Mitsubishi Electric Corp Device for firing fluorescent lamp
JPS56134432U (enExample) * 1980-03-13 1981-10-12
US4339690A (en) * 1980-08-01 1982-07-13 Gte Laboratories Incorporated Energy saving fluorescent lighting system
US4649319A (en) * 1984-10-03 1987-03-10 Duro-Test Corporation Gas discharge lamp starter
US4777410A (en) * 1987-06-22 1988-10-11 Innovative Controls, Inc. Ballast striker circuit
IN176607B (enExample) * 1989-09-07 1996-08-03 Council Scient Ind Res
US5023521A (en) * 1989-12-18 1991-06-11 Radionic Industries, Inc. Lamp ballast system
US5387849A (en) * 1992-12-14 1995-02-07 Radionic Technology Incorporated Lamp ballast system characterized by a power factor correction of greater than or equal to 90%
US6114816A (en) * 1994-12-16 2000-09-05 Hubbell Incorporated Lighting control system for discharge lamps
US5594308A (en) * 1995-08-29 1997-01-14 Hubbell Incorporated High intensity discharge lamp starting circuit with automatic disablement of starting pulses
US6724155B1 (en) 1995-11-02 2004-04-20 Hubbell Incorporated Lamp ignition circuit for lamp driven voltage transformation and ballasting system
US5962988A (en) * 1995-11-02 1999-10-05 Hubbell Incorporated Multi-voltage ballast and dimming circuits for a lamp drive voltage transformation and ballasting system
US5825139A (en) * 1995-11-02 1998-10-20 Hubbell Incorporated Lamp driven voltage transformation and ballasting system
US5663612A (en) * 1996-04-30 1997-09-02 Hubbell Incorporated Apparatus for dimming discharge lamp having electromagnetic regulator with selectively tapped capacitance winding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917976A (en) * 1967-10-11 1975-11-04 Gen Electric Starting and operating circuit for gaseous discharge lamps
US3649869A (en) * 1970-03-27 1972-03-14 Tokyo Shibaura Electric Co Apparatus for lighting discharge lamps
US3886405A (en) * 1972-02-07 1975-05-27 Mamiya Camera Device for operating discharge lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0150536A1 (en) * 1983-12-28 1985-08-07 North American Philips Lighting Corporation Ballast adaptor for improving operation of fluorescent lamps

Also Published As

Publication number Publication date
US4015167A (en) 1977-03-29
FR2277493A1 (fr) 1976-01-30
AU8254075A (en) 1977-01-06
NZ177917A (en) 1978-04-03
FR2277493B1 (enExample) 1980-03-28
JPS5125384A (en) 1976-03-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee