FI790394A - Elektronisk anordning foer justering av ljusstyrkan i en elektrisk gasurladdningslampa utan gloedkatod - Google Patents

Elektronisk anordning foer justering av ljusstyrkan i en elektrisk gasurladdningslampa utan gloedkatod

Info

Publication number
FI790394A
FI790394A FI790394A FI790394A FI790394A FI 790394 A FI790394 A FI 790394A FI 790394 A FI790394 A FI 790394A FI 790394 A FI790394 A FI 790394A FI 790394 A FI790394 A FI 790394A
Authority
FI
Finland
Prior art keywords
electrical
gloedkatod
gasurladdningslampa
utan
lighting
Prior art date
Application number
FI790394A
Other languages
English (en)
Inventor
Hanspeter Coufal
Walter Baenziger
Original Assignee
Elstrom Electronic
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 claimed from CH148878A external-priority patent/CH627899A5/de
Priority claimed from CH367978A external-priority patent/CH628766A5/de
Application filed by Elstrom Electronic filed Critical Elstrom Electronic
Publication of FI790394A publication Critical patent/FI790394A/fi

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
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/42—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices discharge tubes only
    • 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
    • Y10S315/04—Dimming circuit for fluorescent lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Television Receiver Circuits (AREA)
FI790394A 1978-02-11 1979-02-06 Elektronisk anordning foer justering av ljusstyrkan i en elektrisk gasurladdningslampa utan gloedkatod FI790394A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH148878A CH627899A5 (en) 1978-02-11 1978-02-11 Electronic device for brightness control of a mercury-vapour lamp
CH367978A CH628766A5 (en) 1978-04-06 1978-04-06 Electronic device for brightness control of a sodium-vapour high-pressure lamp

Publications (1)

Publication Number Publication Date
FI790394A true FI790394A (fi) 1979-08-12

Family

ID=25687801

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790394A FI790394A (fi) 1978-02-11 1979-02-06 Elektronisk anordning foer justering av ljusstyrkan i en elektrisk gasurladdningslampa utan gloedkatod

Country Status (9)

Country Link
US (1) US4320326A (fi)
EP (1) EP0003528B1 (fi)
JP (1) JPS55500308A (fi)
CA (1) CA1112293A (fi)
DE (1) DE2961104D1 (fi)
DK (1) DK427379A (fi)
FI (1) FI790394A (fi)
NO (1) NO790422L (fi)
WO (1) WO1979000615A1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476410A1 (fr) * 1979-12-19 1981-08-21 Elam Ltd Circuit d'alimentation notamment d'une lampe a decharge
AU8929682A (en) * 1982-01-11 1983-07-21 Cornell-Dubilier Electronics Inc. Magnetic ballast with thyristor control
EP0139641A1 (en) * 1983-04-04 1985-05-08 MOSTELLER, Lawson Paul Jr. Device for automatic control of power to an electrical load and circuits therefor
DE3408426A1 (de) * 1984-03-08 1985-09-12 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum wechselstrombetrieb von hochdruck-gasentladungslampen
US5043635A (en) * 1989-12-12 1991-08-27 Talbott Edwin M Apparatus for controlling power to a load such as a fluorescent light
EP0560887B1 (en) * 1990-12-03 1995-01-18 AlliedSignal Inc. A wide dimming range gas discharge lamp drive system
FI96472C (fi) * 1994-08-09 1996-06-25 Ahlstroem Oy Menetelmä valonhimmentimen toiminnan säätämiseksi ja valonhimmennin
US5850127A (en) * 1996-05-10 1998-12-15 Philips Electronics North America Corporation EBL having a feedback circuit and a method for ensuring low temperature lamp operation at low dimming levels
GB2319406A (en) * 1996-11-12 1998-05-20 Uvp Inc Dimming a medium pressure arc lamp; UV lamp standby mode
DE602005019256D1 (de) * 2005-03-22 2010-03-25 Lightech Electronics Ind Ltd Zündschaltung für eine HID-Lampe
JP5732070B2 (ja) * 2009-12-08 2015-06-10 コーニンクレッカ フィリップス エヌ ヴェ ソリッドステートランプに関する駆動回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028752A (fi) * 1973-07-13 1975-03-24
US3991344A (en) * 1975-03-18 1976-11-09 Westinghouse Electric Corporation Solid-state dimmer for dual high pressure discharge lamps
US3989976A (en) * 1975-10-07 1976-11-02 Westinghouse Electric Corporation Solid-state hid lamp dimmer

Also Published As

Publication number Publication date
DE2961104D1 (en) 1981-12-10
EP0003528A1 (de) 1979-08-22
WO1979000615A1 (en) 1979-09-06
US4320326A (en) 1982-03-16
NO790422L (no) 1979-08-14
CA1112293A (en) 1981-11-10
DK427379A (da) 1979-10-10
JPS55500308A (fi) 1980-05-29
EP0003528B1 (de) 1981-09-30

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