LU68014A1 - - Google Patents

Info

Publication number
LU68014A1
LU68014A1 LU68014DA LU68014A1 LU 68014 A1 LU68014 A1 LU 68014A1 LU 68014D A LU68014D A LU 68014DA LU 68014 A1 LU68014 A1 LU 68014A1
Authority
LU
Luxembourg
Application number
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 LU68014A1 publication Critical patent/LU68014A1/xx

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit 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
    • H05B41/288Circuit 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
    • H05B41/292Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2928Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
LU68014D 1972-07-14 1973-07-13 LU68014A1 (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
LU68014A1 true LU68014A1 (it) 1973-10-03

Family

ID=10349413

Family Applications (1)

Application Number Title Priority Date Filing Date
LU68014D LU68014A1 (it) 1972-07-14 1973-07-13

Country Status (6)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336642A1 (en) * 1988-04-05 1989-10-11 Neon Dynamics Corporation Excitation supply for gas discharge tubes
US4980611A (en) * 1988-04-05 1990-12-25 Neon Dynamics Corporation Overvoltage shutdown circuit for 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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE418775B (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
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
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
GB8711131D0 (en) * 1987-05-12 1987-06-17 Emi Plc Thorn Power supply

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0336642A1 (en) * 1988-04-05 1989-10-11 Neon Dynamics Corporation Excitation supply for gas discharge tubes
WO1989010047A1 (en) * 1988-04-05 1989-10-19 Neon Dynamics Corporation Excitation supply for gas discharge tubes
US4916362A (en) * 1988-04-05 1990-04-10 Neon Dynamics Corporation Excitation supply for gas discharge tubes
US4980611A (en) * 1988-04-05 1990-12-25 Neon Dynamics Corporation Overvoltage shutdown circuit for 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
BE802318A (fr) 1973-11-05
FR2193298A1 (it) 1974-02-15
FR2193298B3 (it) 1976-07-02
DE2335589A1 (de) 1974-01-31
NL7309901A (it) 1974-01-16
IT991188B (it) 1975-07-30

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