NL7309901A - - Google Patents

Info

Publication number
NL7309901A
NL7309901A NL7309901A NL7309901A NL7309901A NL 7309901 A NL7309901 A NL 7309901A NL 7309901 A NL7309901 A NL 7309901A NL 7309901 A NL7309901 A NL 7309901A NL 7309901 A NL7309901 A NL 7309901A
Authority
NL
Netherlands
Application number
NL7309901A
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 filed Critical
Publication of NL7309901A publication Critical patent/NL7309901A/xx

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
    • H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2928—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
NL7309901A 1972-07-14 1973-07-16 NL7309901A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3316672 1972-07-14

Publications (1)

Publication Number Publication Date
NL7309901A true NL7309901A (enrdf_load_stackoverflow) 1974-01-16

Family

ID=10349413

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7309901A NL7309901A (enrdf_load_stackoverflow) 1972-07-14 1973-07-16

Country Status (6)

Country Link
BE (1) BE802318A (enrdf_load_stackoverflow)
DE (1) DE2335589A1 (enrdf_load_stackoverflow)
FR (1) FR2193298B3 (enrdf_load_stackoverflow)
IT (1) IT991188B (enrdf_load_stackoverflow)
LU (1) LU68014A1 (enrdf_load_stackoverflow)
NL (1) NL7309901A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8005271L (sv) * 1980-07-18 1981-06-22 Aos Metall Mek Verk Sett och anordning for att eliminera obehag fororsakande flimmer vid betraktande av rontgenfilm i ljusskap
US4705991A (en) * 1981-06-04 1987-11-10 U.S. Philips Corporation Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method
DE3122183C2 (de) * 1981-06-04 1983-09-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum Betrieb einer Hochdruck-Metalldampfentladungslampe und Schaltungsanordnung zur Ausübung dieses Verfahrens
GB8711131D0 (en) * 1987-05-12 1987-06-17 Emi Plc Thorn Power supply
US4980611A (en) * 1988-04-05 1990-12-25 Neon Dynamics Corporation Overvoltage shutdown circuit for excitation supply for gas discharge tubes
US4916362A (en) * 1988-04-05 1990-04-10 Neon Dynamics Corporation Excitation supply for gas discharge tubes
EP0439861A1 (en) * 1990-01-29 1991-08-07 Koninklijke Philips Electronics N.V. Circuit arrangement
US5386181A (en) * 1992-01-24 1995-01-31 Neon Dynamics Corporation Swept frequency switching excitation supply for gas discharge tubes

Also Published As

Publication number Publication date
LU68014A1 (enrdf_load_stackoverflow) 1973-10-03
FR2193298A1 (enrdf_load_stackoverflow) 1974-02-15
FR2193298B3 (enrdf_load_stackoverflow) 1976-07-02
BE802318A (fr) 1973-11-05
DE2335589A1 (de) 1974-01-31
IT991188B (it) 1975-07-30

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