IT1137760B - Disposizione per il funzionamento di una lampada a scarica con elettrodi riscaldabili - Google Patents

Disposizione per il funzionamento di una lampada a scarica con elettrodi riscaldabili

Info

Publication number
IT1137760B
IT1137760B IT23279/81A IT2327981A IT1137760B IT 1137760 B IT1137760 B IT 1137760B IT 23279/81 A IT23279/81 A IT 23279/81A IT 2327981 A IT2327981 A IT 2327981A IT 1137760 B IT1137760 B IT 1137760B
Authority
IT
Italy
Prior art keywords
provision
discharge lamp
heatable electrodes
heatable
electrodes
Prior art date
Application number
IT23279/81A
Other languages
English (en)
Other versions
IT8123279A0 (it
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/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of IT8123279A0 publication Critical patent/IT8123279A0/it
Application granted granted Critical
Publication of IT1137760B publication Critical patent/IT1137760B/it

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
IT23279/81A 1980-08-05 1981-07-31 Disposizione per il funzionamento di una lampada a scarica con elettrodi riscaldabili IT1137760B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803029644 DE3029644A1 (de) 1980-08-05 1980-08-05 Anordnung zum betrieb einer entladungslampe mit heizbaren elektroden
DE3115598 1981-04-16

Publications (2)

Publication Number Publication Date
IT8123279A0 IT8123279A0 (it) 1981-07-31
IT1137760B true IT1137760B (it) 1986-09-10

Family

ID=25787078

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23279/81A IT1137760B (it) 1980-08-05 1981-07-31 Disposizione per il funzionamento di una lampada a scarica con elettrodi riscaldabili

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246454A1 (de) * 1982-12-15 1984-06-20 Siemens AG, 1000 Berlin und 8000 München Wechselrichter mit einem einen reihenresonanzkreis und eine entladungslampe enthaltenden lastkreis
DE3805510A1 (de) * 1988-02-22 1989-08-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum betrieb einer niederdruckentladungslampe
DE19522675A1 (de) * 1995-06-22 1997-01-02 Eckerle Ind Elektronik Gmbh Schaltungsanordnung zur Zündung einer Leuchtstofflampe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE823160C (de) * 1949-06-24 1951-12-03 Siemens Schuckertwerke A G Einrichtung zum Zuenden und Betrieb von gas- oder dampfgefuellten Entladungsroehren, insbesondere Leuchtstofflampen
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 (de) 1982-09-01
IT8123279A0 (it) 1981-07-31
EP0058683B1 (de) 1985-02-06
DE3168772D1 (en) 1985-03-21
WO1982000561A1 (en) 1982-02-18
FI812304L (fi) 1982-02-06

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