NL7904257A - Regelinrichting voor variatie van de lichtflux van ontladingslampen. - Google Patents

Regelinrichting voor variatie van de lichtflux van ontladingslampen.

Info

Publication number
NL7904257A
NL7904257A NL7904257A NL7904257A NL7904257A NL 7904257 A NL7904257 A NL 7904257A NL 7904257 A NL7904257 A NL 7904257A NL 7904257 A NL7904257 A NL 7904257A NL 7904257 A NL7904257 A NL 7904257A
Authority
NL
Netherlands
Prior art keywords
variation
control device
light flux
discharge lamps
lamps
Prior art date
Application number
NL7904257A
Other languages
English (en)
Dutch (nl)
Inventor
Yves Goffaux
Original Assignee
Acec
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 by Acec filed Critical Acec
Publication of NL7904257A publication Critical patent/NL7904257A/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
    • H05B41/36—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
    • 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
    • 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
    • H05B41/39—Controlling the intensity of light continuously
NL7904257A 1977-10-03 1979-05-30 Regelinrichting voor variatie van de lichtflux van ontladingslampen. NL7904257A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE1008418A BE859304A (fr) 1977-10-03 1977-10-03 Installation de commande de variation du flux lumineux
BE1008900A BE867603A (fr) 1977-10-03 1978-05-30 Installation de commande de variation du flux lumineux

Publications (1)

Publication Number Publication Date
NL7904257A true NL7904257A (nl) 1979-12-04

Family

ID=25661340

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904257A NL7904257A (nl) 1977-10-03 1979-05-30 Regelinrichting voor variatie van de lichtflux van ontladingslampen.

Country Status (7)

Country Link
BE (2) BE859304A (it)
DE (1) DE2921833A1 (it)
FR (1) FR2404988A1 (it)
GB (1) GB2022343A (it)
IE (1) IE48753B1 (it)
IT (1) IT1157354B (it)
NL (1) NL7904257A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29507522U1 (de) * 1995-05-05 1995-11-16 Fa. Ed. Liesegang, 40221 Düsseldorf Stromversorgung für einen Projektor mit Metalldampflampe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463964A (en) * 1967-11-28 1969-08-26 British Lighting Ind Ltd Fluorescent lamp-dimming circuit
FR2055842A5 (it) * 1969-06-24 1971-05-14 Philips France
FR2335119A1 (fr) * 1975-12-08 1977-07-08 Lampes Sa Dispositif de reglage de puissance des lampes a decharge
FR2341246A1 (fr) * 1976-02-12 1977-09-09 Stl Procede et appareillage d'alimentation de lampes a decharge

Also Published As

Publication number Publication date
GB2022343A (en) 1979-12-12
IT7851331A0 (it) 1978-10-02
IE48753B1 (en) 1985-05-15
FR2404988A1 (fr) 1979-04-27
BE859304A (fr) 1978-04-03
FR2404988B1 (it) 1984-05-04
BE867603A (fr) 1978-09-18
IT1157354B (it) 1987-02-11
IE791063L (en) 1979-11-30
DE2921833A1 (de) 1979-12-06

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Legal Events

Date Code Title Description
BV The patent application has lapsed