FI904110A0 - FOERFARANDE OCH ANORDNING FOER JUSTERING AV LJUSEFFEKTEN HOS EN GASURLADDNINGSLAMPA, SPECIELLT EN GLOEDLAMPA. - Google Patents

FOERFARANDE OCH ANORDNING FOER JUSTERING AV LJUSEFFEKTEN HOS EN GASURLADDNINGSLAMPA, SPECIELLT EN GLOEDLAMPA.

Info

Publication number
FI904110A0
FI904110A0 FI904110A FI904110A FI904110A0 FI 904110 A0 FI904110 A0 FI 904110A0 FI 904110 A FI904110 A FI 904110A FI 904110 A FI904110 A FI 904110A FI 904110 A0 FI904110 A0 FI 904110A0
Authority
FI
Finland
Prior art keywords
ljuseffekten
gloedlampa
gasurladdningslampa
speciellt
hos
Prior art date
Application number
FI904110A
Other languages
Finnish (fi)
Other versions
FI85320B (en
FI85320C (en
FI904110A (en
Inventor
Ismo Pyoerre
Original Assignee
Teknoware Oy
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 Teknoware Oy filed Critical Teknoware Oy
Priority to FI904110A priority Critical patent/FI85320C/en
Publication of FI904110A0 publication Critical patent/FI904110A0/en
Priority to EP19910304850 priority patent/EP0472265A3/en
Publication of FI85320B publication Critical patent/FI85320B/en
Publication of FI904110A publication Critical patent/FI904110A/en
Application granted granted Critical
Publication of FI85320C publication Critical patent/FI85320C/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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
    • H05B41/2828—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage using control circuits for the switching elements
    • 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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
FI904110A 1990-08-20 1990-08-20 Method and apparatus for adjusting the light output of a gas-emitted dimming lamp, in particular an incandescent lamp FI85320C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI904110A FI85320C (en) 1990-08-20 1990-08-20 Method and apparatus for adjusting the light output of a gas-emitted dimming lamp, in particular an incandescent lamp
EP19910304850 EP0472265A3 (en) 1990-08-20 1991-05-29 A method of and a device for regulating the luminosity of a gas-discharge lamp, especially a fluorescent lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI904110 1990-08-20
FI904110A FI85320C (en) 1990-08-20 1990-08-20 Method and apparatus for adjusting the light output of a gas-emitted dimming lamp, in particular an incandescent lamp

Publications (4)

Publication Number Publication Date
FI904110A0 true FI904110A0 (en) 1990-08-20
FI85320B FI85320B (en) 1991-12-13
FI904110A FI904110A (en) 1991-12-13
FI85320C FI85320C (en) 1992-03-25

Family

ID=8530951

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904110A FI85320C (en) 1990-08-20 1990-08-20 Method and apparatus for adjusting the light output of a gas-emitted dimming lamp, in particular an incandescent lamp

Country Status (2)

Country Link
EP (1) EP0472265A3 (en)
FI (1) FI85320C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW344190B (en) * 1992-09-22 1998-11-01 Matsushita Electric Works Ltd Discharge lamp lighting device
GB2325099A (en) * 1997-05-07 1998-11-11 David John Aarons Gas discharge lamp drive circuit; dimming
JP2004501499A (en) * 2000-06-20 2004-01-15 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Circuit device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057673B2 (en) * 1980-09-03 1985-12-16 株式会社エルモ社 AC discharge lamp power supply device
US4388563A (en) * 1981-05-26 1983-06-14 Commodore Electronics, Ltd. Solid-state fluorescent lamp ballast
GB2162664B (en) * 1984-07-30 1987-12-16 Westinghouse Brake & Signal Power control circuit
GB2196803B (en) * 1986-10-24 1990-10-31 Kyoei Densoku Co Ltd High-frequency power supply output control arrangement
US4884186A (en) * 1987-12-10 1989-11-28 Boschert Incorporated Power supply with reduced switching losses
US4904903A (en) * 1988-04-05 1990-02-27 Innovative Controls, Inc. Ballast for high intensity discharge lamps
US4920299A (en) * 1988-04-27 1990-04-24 General Electric Company Push-pull fluorescent dimming circuit

Also Published As

Publication number Publication date
EP0472265A2 (en) 1992-02-26
FI85320B (en) 1991-12-13
EP0472265A3 (en) 1992-05-27
FI85320C (en) 1992-03-25
FI904110A (en) 1991-12-13

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: TEKNOWARE OY

MA Patent expired