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DK423880A - Fremgangsmaade og indretning til at lette ioniseringen i udlad ningslamper samt belysningsudstyr med en saadan indretning - Google Patents

Fremgangsmaade og indretning til at lette ioniseringen i udlad ningslamper samt belysningsudstyr med en saadan indretning

Info

Publication number
DK423880A
DK423880A DK423880A DK423880A DK423880A DK 423880 A DK423880 A DK 423880A DK 423880 A DK423880 A DK 423880A DK 423880 A DK423880 A DK 423880A DK 423880 A DK423880 A DK 423880A
Authority
DK
Denmark
Prior art keywords
easying
ionization
lamps
disposable
procedure
Prior art date
Application number
DK423880A
Other languages
English (en)
Inventor
G Fode
G Jung
Original Assignee
Spie Batignolles
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 FR7926225A external-priority patent/FR2468276A1/fr
Priority claimed from MC801449A external-priority patent/MC1382A1/xx
Application filed by Spie Batignolles filed Critical Spie Batignolles
Publication of DK423880A publication Critical patent/DK423880A/da

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
    • H05B41/16—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
DK423880A 1979-10-23 1980-10-07 Fremgangsmaade og indretning til at lette ioniseringen i udlad ningslamper samt belysningsudstyr med en saadan indretning DK423880A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7926225A FR2468276A1 (fr) 1979-10-23 1979-10-23 Dispositif pour stabiliser les lampes a decharge, et installation d'eclairage s'y rapportant
MC801449A MC1382A1 (fr) 1980-05-14 1980-05-14 Procede pour favoriser l'ionisation des lampes a decharge,et dispositif s'y rapportant

Publications (1)

Publication Number Publication Date
DK423880A true DK423880A (da) 1981-04-24

Family

ID=26221405

Family Applications (1)

Application Number Title Priority Date Filing Date
DK423880A DK423880A (da) 1979-10-23 1980-10-07 Fremgangsmaade og indretning til at lette ioniseringen i udlad ningslamper samt belysningsudstyr med en saadan indretning

Country Status (5)

Country Link
EP (1) EP0027764A1 (da)
DK (1) DK423880A (da)
FI (1) FI803193L (da)
NO (1) NO802982L (da)
PT (1) PT71933B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5079132A (en) * 1987-09-16 1992-01-07 Fuji Photo Film Co., Ltd. Method for forming a color positive having improved color reproduction
DE3740676A1 (de) * 1987-12-01 1989-06-22 Erzmoneit Dorit Schaltungsanordnung zur energieeinsparung durch induktive netzspannungsabsenkung fuer nieder- und hochdruckentladungslampen sowie quecksilberdampflampen
IT1296774B1 (it) * 1997-05-21 1999-07-27 Elettronica Reverberi Di Rever Dispositivo riduttore centralizzato di potenza in particolare per impianti di illuminazione

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR945990A (fr) * 1942-01-22 1949-05-19 Lampes Sa Perfectionnement à l'amorçage et au fonctionnement des tubes à décharge et appareils similaires
US2446033A (en) * 1946-02-13 1948-07-27 Gen Electric High reactance transformer
US3629650A (en) * 1968-11-21 1971-12-21 Patrick And Drew Ltd Method and apparatus for operating a gas discharge tube

Also Published As

Publication number Publication date
PT71933B (fr) 1981-08-31
PT71933A (fr) 1980-11-01
EP0027764A1 (fr) 1981-04-29
FI803193L (fi) 1981-04-24
NO802982L (no) 1981-04-24

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