NL7200720A - - Google Patents

Info

Publication number
NL7200720A
NL7200720A NL7200720A NL7200720A NL7200720A NL 7200720 A NL7200720 A NL 7200720A NL 7200720 A NL7200720 A NL 7200720A NL 7200720 A NL7200720 A NL 7200720A NL 7200720 A NL7200720 A NL 7200720A
Authority
NL
Netherlands
Application number
NL7200720A
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
Priority to BE794165D priority Critical patent/BE794165A/xx
Application filed filed Critical
Priority to NL7200720A priority patent/NL7200720A/xx
Priority to DE2263582A priority patent/DE2263582C2/de
Priority to US321655A priority patent/US3906302A/en
Priority to AT33573*#A priority patent/AT328561B/de
Priority to GB219273A priority patent/GB1357313A/en
Priority to JP670873A priority patent/JPS579200B2/ja
Priority to FR7301579A priority patent/FR2168436B1/fr
Priority to CA161,650A priority patent/CA1029432A/en
Publication of NL7200720A publication Critical patent/NL7200720A/xx

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
NL7200720A 1972-01-19 1972-01-19 NL7200720A (en:Method)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE794165D BE794165A (fr) 1972-01-19 Dispositif muni d'une lampe a decharge dans le gaz et/ou dans la vapeur
NL7200720A NL7200720A (en:Method) 1972-01-19 1972-01-19
DE2263582A DE2263582C2 (de) 1972-01-19 1972-12-27 Anordnung zum Zünden und Betrieb einer Niederdruckquecksilberdampfentladungslampe
US321655A US3906302A (en) 1972-01-19 1973-01-08 Arrangement provided with a gas and/or vapour discharge lamp
AT33573*#A AT328561B (de) 1972-01-19 1973-01-16 Vorrichtung mit einer gas- und/oder dampfentladungslampe
GB219273A GB1357313A (en) 1972-01-19 1973-01-16 Arrangement provided with a gas and/or vapour discharge lamp
JP670873A JPS579200B2 (en:Method) 1972-01-19 1973-01-16
FR7301579A FR2168436B1 (en:Method) 1972-01-19 1973-01-17
CA161,650A CA1029432A (en) 1972-01-19 1973-01-19 Cataphoresis prevention circuit for discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7200720A NL7200720A (en:Method) 1972-01-19 1972-01-19

Publications (1)

Publication Number Publication Date
NL7200720A true NL7200720A (en:Method) 1973-07-23

Family

ID=19815188

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7200720A NL7200720A (en:Method) 1972-01-19 1972-01-19

Country Status (9)

Country Link
US (1) US3906302A (en:Method)
JP (1) JPS579200B2 (en:Method)
AT (1) AT328561B (en:Method)
BE (1) BE794165A (en:Method)
CA (1) CA1029432A (en:Method)
DE (1) DE2263582C2 (en:Method)
FR (1) FR2168436B1 (en:Method)
GB (1) GB1357313A (en:Method)
NL (1) NL7200720A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081862A3 (en) * 1977-12-28 1984-07-18 Datapower, Inc. Control apparatus for operating a gas discharge lamp

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128789A (en) * 1976-06-30 1978-12-05 General Electric Company Method of operating gaseous discharge lamps
US4051412A (en) * 1976-09-02 1977-09-27 General Electric Company Discharge lamp operating circuit
DE2738065A1 (de) * 1976-09-02 1978-03-09 Gen Electric Schaltung zum betrieb von gasentladungslampen
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
DE2862469D1 (en) * 1977-12-28 1985-08-08 Datapower Circuit for energising a gas discharge lamp
US4168453A (en) * 1977-12-28 1979-09-18 Datapower, Inc. Variable intensity control apparatus for operating a gas discharge lamp
US4230971A (en) * 1978-09-07 1980-10-28 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
US5469028A (en) * 1978-03-20 1995-11-21 Nilssen; Ole K. Electronic ballast drawing sinusoidal line current
DE2924069C2 (de) * 1979-06-15 1982-05-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum Zünden und Betrieb einer Gas- und/oder Dampfentladungslampe
DE3101568C2 (de) * 1981-01-20 1986-01-09 Wollank, Gerhard, Prof. Dipl.-Phys., 5040 Brühl Schaltungsanordnung zum Betrieb von Niederdruckentladungslampen mit einstellbarem Lichtstrom
FI63314C (fi) 1981-06-08 1983-05-10 Helvar Oy Elektroniskt foerkopplingsdon foer gasurladdningslampa
JPS5870624U (ja) * 1981-11-06 1983-05-13 松下電器産業株式会社 操作ボタン装置
US4422138A (en) * 1981-12-11 1983-12-20 General Electric Company Power supply for low-voltage load
GB2126810A (en) * 1982-09-06 1984-03-28 David John Martin Electronic drive circuit for discharge lamps
US4894587A (en) * 1984-08-17 1990-01-16 Lutron Electronics Co., Inc. High frequency gas discharge lamp dimming ballast
US4663570A (en) * 1984-08-17 1987-05-05 Lutron Electronics Co., Inc. High frequency gas discharge lamp dimming ballast
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
US4686428A (en) * 1985-08-28 1987-08-11 Innovative Controls, Incorporated High intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loop
US4999547A (en) * 1986-09-25 1991-03-12 Innovative Controls, Incorporated Ballast for high pressure sodium lamps having constant line and lamp wattage
US4857810A (en) * 1987-03-17 1989-08-15 General Electric Company Current interruption operating circuit for a gaseous discharge lamp
US4904903A (en) * 1988-04-05 1990-02-27 Innovative Controls, Inc. Ballast for high intensity discharge lamps
US4952847A (en) * 1989-06-05 1990-08-28 Lin Tieng Fu Stable ignition means for fluorescent lamp or the like
US4970437A (en) * 1989-07-10 1990-11-13 Motorola Lighting, Inc. Chopper for conventional ballast system
EP0478054B1 (en) * 1990-09-25 1997-08-06 Matsushita Electric Works, Ltd. Apparatus for operating discharge lamps
FR2771590B1 (fr) * 1997-11-21 2003-01-03 Sgs Thomson Microelectronics Circuit de commande de lampe fluorescente
US6121734A (en) * 1998-10-16 2000-09-19 Szabados; Barna Apparatus for dimming a fluorescent lamp with a magnetic ballast
US6538395B2 (en) 1999-10-15 2003-03-25 1263357 Ontario Inc. Apparatus for dimming a fluorescent lamp with a magnetic ballast
US20050110439A1 (en) * 2005-02-04 2005-05-26 Osram Sylvania Inc. Method of operating a lamp containing a fixed forward phase switching power supply
US7291984B2 (en) * 2005-02-04 2007-11-06 Osram Sylvania Inc. Method of reducing RMS load voltage in a lamp using pulse width modulation
US20050110438A1 (en) * 2005-02-04 2005-05-26 Osram Sylvania Inc. Fixed forward phase switching power supply with time-based triggering
US7274148B2 (en) * 2005-02-04 2007-09-25 Osram Sylvania Inc. Lamp having fixed forward phase switching power supply with time-based triggering
CN222942818U (zh) * 2024-04-12 2025-06-06 深圳由莱智能电子有限公司 便携式美容仪及其控制电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3315124A (en) * 1964-08-14 1967-04-18 Gen Electric Transistorized constant emission current regulator using a resonant transformer in the power supply
US3619716A (en) * 1969-07-23 1971-11-09 Lutron Electronics Co High-frequency fluorescent tube lighting circuit and ac driving circuit therefor
US3629648A (en) * 1969-07-31 1971-12-21 Brent W Brown Transistorized fluorescent tube operating circuit
US3701925A (en) * 1970-02-28 1972-10-31 Blackwell Electronics Ind Co L Instantaneous starting system for discharge lamp
JPS4945814U (en:Method) * 1972-07-24 1974-04-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0081862A3 (en) * 1977-12-28 1984-07-18 Datapower, Inc. Control apparatus for operating a gas discharge lamp

Also Published As

Publication number Publication date
JPS579200B2 (en:Method) 1982-02-19
BE794165A (fr) 1973-07-17
GB1357313A (en) 1974-06-19
FR2168436A1 (en:Method) 1973-08-31
US3906302A (en) 1975-09-16
ATA33573A (de) 1975-06-15
FR2168436B1 (en:Method) 1977-12-30
AT328561B (de) 1976-03-25
DE2263582A1 (de) 1973-07-26
DE2263582C2 (de) 1982-09-02
CA1029432A (en) 1978-04-11
JPS4882686A (en:Method) 1973-11-05

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Legal Events

Date Code Title Description
BT A document has been added to the application laid open to public inspection
BN A decision not to publish the application has become irrevocable