FI834428A0 - ANORDNING FOER STYRNING AV LJUSINTENSITET HOS LAOGTRYCKSURLADDNINGSLAMPOR - Google Patents

ANORDNING FOER STYRNING AV LJUSINTENSITET HOS LAOGTRYCKSURLADDNINGSLAMPOR

Info

Publication number
FI834428A0
FI834428A0 FI834428A FI834428A FI834428A0 FI 834428 A0 FI834428 A0 FI 834428A0 FI 834428 A FI834428 A FI 834428A FI 834428 A FI834428 A FI 834428A FI 834428 A0 FI834428 A0 FI 834428A0
Authority
FI
Finland
Prior art keywords
ljusintensitet
laogtrycksurladdningslampor
hos
anordning foer
foer styrning
Prior art date
Application number
FI834428A
Other languages
Finnish (fi)
Other versions
FI78212B (en
FI78212C (en
FI834428A (en
Inventor
Josef Ballmann
Manfred Klamt
Original Assignee
Siemens Ag
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 DE19823245817 external-priority patent/DE3245817A1/en
Priority claimed from DE19833328378 external-priority patent/DE3328378A1/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of FI834428A0 publication Critical patent/FI834428A0/en
Publication of FI834428A publication Critical patent/FI834428A/en
Publication of FI78212B publication Critical patent/FI78212B/en
Application granted granted Critical
Publication of FI78212C publication Critical patent/FI78212C/en

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
FI834428A 1982-12-10 1983-12-02 Apparatus for controlling light intensity of low-pressure discharge lamps FI78212C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19823245817 DE3245817A1 (en) 1982-12-10 1982-12-10 Arrangement for controlling the brightness of a low-pressure discharge lamp
DE3245817 1982-12-10
DE3328378 1983-08-05
DE19833328378 DE3328378A1 (en) 1983-08-05 1983-08-05 Arrangement for controlling the brightness of a low-pressure discharge lamp

Publications (4)

Publication Number Publication Date
FI834428A0 true FI834428A0 (en) 1983-12-02
FI834428A FI834428A (en) 1984-06-11
FI78212B FI78212B (en) 1989-02-28
FI78212C FI78212C (en) 1989-06-12

Family

ID=25806463

Family Applications (1)

Application Number Title Priority Date Filing Date
FI834428A FI78212C (en) 1982-12-10 1983-12-02 Apparatus for controlling light intensity of low-pressure discharge lamps

Country Status (3)

Country Link
EP (1) EP0111296B1 (en)
DE (1) DE3373399D1 (en)
FI (1) FI78212C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826234A1 (en) * 1988-08-02 1990-02-08 Kulzer & Co Gmbh CIRCUIT ARRANGEMENT FOR OPERATING A LOW-PRESSURE GAS DISCHARGE LAMP
US5144205A (en) * 1989-05-18 1992-09-01 Lutron Electronics Co., Inc. Compact fluorescent lamp dimming system
DE4025939C2 (en) * 1990-08-16 1994-03-24 Diehl Gmbh & Co Circuit arrangement for starting and controlling the brightness of a fluorescent lamp during operation
DE4025938A1 (en) * 1990-08-16 1992-02-20 Diehl Gmbh & Co CIRCUIT ARRANGEMENT FOR THE OPERATION OF A FLUORESCENT LAMP
KR100621140B1 (en) * 1998-10-01 2006-09-13 퓨쳐 뉴 디벨롭먼트 리미티드 Circuit arrangement for energy-saving operation of a fluorescent tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508923A1 (en) * 1975-03-01 1976-09-09 Bbc Brown Boveri & Cie Control and supply circuit for fluorescent tube - has dimmer coupled via frequency dependent pulse separator, rectifier and switch to control transformer
US4230971A (en) * 1978-09-07 1980-10-28 Datapower, Inc. Variable intensity control apparatus for operating a gas discharge lamp
JPS5919639B2 (en) * 1979-09-28 1984-05-08 東芝ライテック株式会社 discharge lamp lighting device
EP0060458A3 (en) * 1981-03-16 1983-08-03 Koch Elektronik + Apparatebau AG Device for regulating the light intensity of a fluorescent lamp

Also Published As

Publication number Publication date
EP0111296A1 (en) 1984-06-20
FI78212B (en) 1989-02-28
FI78212C (en) 1989-06-12
FI834428A (en) 1984-06-11
DE3373399D1 (en) 1987-10-08
EP0111296B1 (en) 1987-09-02

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT