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FI812304A7 - Arrangement for using a gas discharge tube with heated electrodes. - Google Patents

Arrangement for using a gas discharge tube with heated electrodes. Download PDF

Info

Publication number
FI812304A7
FI812304A7 FI812304A FI812304A FI812304A7 FI 812304 A7 FI812304 A7 FI 812304A7 FI 812304 A FI812304 A FI 812304A FI 812304 A FI812304 A FI 812304A FI 812304 A7 FI812304 A7 FI 812304A7
Authority
FI
Finland
Prior art keywords
arrangement
gas discharge
discharge tube
heated electrodes
electrodes
Prior art date
Application number
FI812304A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI812304L (en
Inventor
Max Kerscher
Anh-Dung Nguyen
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 DE19803029644 external-priority patent/DE3029644A1/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of FI812304A7 publication Critical patent/FI812304A7/en
Publication of FI812304L publication Critical patent/FI812304L/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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices
    • H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
    • H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
    • 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
    • H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
FI812304A 1980-08-05 1981-07-22 ANORDING FOR DRIVING AV ETT MED UPPVAERMNINGSBARA ELEKTRODER FOERSETT GASURLADDNINGSROER FI812304L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803029644 DE3029644A1 (en) 1980-08-05 1980-08-05 Operating circuit for discharge lamp - has pre-heated electrodes and uses shunt diode across each electrode
DE3115598 1981-04-16

Publications (2)

Publication Number Publication Date
FI812304A7 true FI812304A7 (en) 1982-02-06
FI812304L FI812304L (en) 1982-02-06

Family

ID=25787078

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812304A FI812304L (en) 1980-08-05 1981-07-22 ANORDING FOR DRIVING AV ETT MED UPPVAERMNINGSBARA ELEKTRODER FOERSETT GASURLADDNINGSROER

Country Status (5)

Country Link
EP (1) EP0058683B1 (en)
DE (1) DE3168772D1 (en)
FI (1) FI812304L (en)
IT (1) IT1137760B (en)
WO (1) WO1982000561A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246454A1 (en) * 1982-12-15 1984-06-20 Siemens AG, 1000 Berlin und 8000 München INVERTER WITH A LOAD CIRCUIT CONTAINING A SERIES RESONANCE CIRCUIT AND A DISCHARGE LAMP
DE3805510A1 (en) * 1988-02-22 1989-08-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh CIRCUIT ARRANGEMENT FOR OPERATING A LOW-PRESSURE DISCHARGE LAMP
DE19522675A1 (en) * 1995-06-22 1997-01-02 Eckerle Ind Elektronik Gmbh Circuit arrangement for igniting a fluorescent lamp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE823160C (en) * 1949-06-24 1951-12-03 Siemens Schuckertwerke A G Device for switching off and operating gas or vapor-filled discharge tubes, in particular fluorescent lamps
US4122375A (en) * 1976-02-06 1978-10-24 Rudolf Studli Circuit arrangement for increasing the luminous flux in fluorescent tube hand lamps

Also Published As

Publication number Publication date
EP0058683A1 (en) 1982-09-01
IT8123279A0 (en) 1981-07-31
EP0058683B1 (en) 1985-02-06
DE3168772D1 (en) 1985-03-21
FI812304L (en) 1982-02-06
IT1137760B (en) 1986-09-10
WO1982000561A1 (en) 1982-02-18

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT