FI811179L - FOERKOPPLINGSDON FOER ANSLUTNING AV EN URLADDNINGSLAMPA - Google Patents

FOERKOPPLINGSDON FOER ANSLUTNING AV EN URLADDNINGSLAMPA

Info

Publication number: FI811179L
Authority: FI; Finland
Prior art keywords: urladdningslampa; foerkopplingsdon; anslutning; foer; foer anslutning
Prior art date: 1980-04-15

Application number

FI811179A

Other languages

Finnish (fi)

Other versions

FI69540B (en

FI69540C (en

Inventor

Max Kerscher

Anh-Dung Nguyen

Armin Kroening

Reinhold Priller

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.)

1980-04-15

Filing date

1981-04-15

Publication date

1981-10-16

1980-04-15 Priority claimed from DE3014419A external-priority patent/DE3014419C2/en

1980-08-05 Priority claimed from DE19803029672 external-priority patent/DE3029672A1/en

1981-04-15 Application filed by Siemens Ag filed Critical Siemens Ag

1981-10-16 Publication of FI811179L publication Critical patent/FI811179L/en

1985-10-31 Publication of FI69540B publication Critical patent/FI69540B/en

1986-02-10 Application granted granted Critical

1986-02-10 Publication of FI69540C publication Critical patent/FI69540C/en

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
- H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions

FI811179A 1980-04-15 1981-04-15 FOERKOPPLINGSANORDNING FOER EN URLADDNINGSLAMPA FI69540C (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE3014419		1980-04-15
DE3014419A DE3014419C2 (en)	1980-04-15	1980-04-15	Ballast for a discharge lamp
DE19803029672 DE3029672A1 (en)	1980-08-05	1980-08-05	Discharge lamp auxiliary power supply - has separate oscillator and independently powered regulation circuit providing high stability lamp voltage
DE3029672		1980-08-05

Publications (3)

Publication Number	Publication Date
FI811179L true FI811179L (en)	1981-10-16
FI69540B FI69540B (en)	1985-10-31
FI69540C FI69540C (en)	1986-02-10

Family

ID=25784967

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI811179A FI69540C (en)	1980-04-15	1981-04-15	FOERKOPPLINGSANORDNING FOER EN URLADDNINGSLAMPA

Country Status (4)

Country	Link
EP (1)	EP0050131B1 (en)
FI (1)	FI69540C (en)
IT (1)	IT1137447B (en)
WO (1)	WO1981003102A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0092654A3 (en) *	1981-04-14	1984-04-18	Siemens Aktiengesellschaft	Ballast apparatus
EP0085073B1 (en) *	1981-07-31	1986-10-22	Siemens Aktiengesellschaft	Converter
DE3301632A1 (en) *	1983-01-19	1984-07-26	Siemens AG, 1000 Berlin und 8000 München	INVERTER
AU2708684A (en) *	1983-05-05	1984-11-08	Dubank Electronics Pty. Ltd.	Electronic ballast and starter
DE3503778C2 (en) *	1985-02-05	1986-11-20	Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg	Fluorescent lamp ballast
AT390156B (en) *	1985-05-14	1990-03-26	Zumtobel Ag	PROTECTIVE CIRCUIT FOR A INVERTER CIRCUIT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2355600A1 (en) *	1972-11-13	1974-05-16	Gen Electric	REGULATED POWER INFEED WITH A HALF-WAVE SWITCH
US3913002A (en) *	1974-01-02	1975-10-14	Gen Electric	Power circuits for obtaining a high power factor electronically
US3969652A (en) *	1974-01-04	1976-07-13	General Electric Company	Electronic ballast for gaseous discharge lamps

1981
- 1981-04-10 IT IT21036/81A patent/IT1137447B/en active
- 1981-04-14 EP EP81900979A patent/EP0050131B1/en not_active Expired
- 1981-04-14 WO PCT/DE1981/000058 patent/WO1981003102A1/en not_active Ceased
- 1981-04-15 FI FI811179A patent/FI69540C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
IT8121036A0 (en)	1981-04-10
EP0050131A1 (en)	1982-04-28
WO1981003102A1 (en)	1981-10-29
FI69540B (en)	1985-10-31
EP0050131B1 (en)	1984-07-04
FI69540C (en)	1986-02-10
IT1137447B (en)	1986-09-10

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Legal Events

Date	Code	Title	Description
2004-08-31	MA	Patent expired	Owner name: SIEMENS AKTIENGESELLSCHAFT