IT1157354B - Disposizione di comando di variazione di flusso luminoso per impianti di illuminazione - Google Patents

Disposizione di comando di variazione di flusso luminoso per impianti di illuminazione

Info

Publication number
IT1157354B
IT1157354B IT5133178A IT5133178A IT1157354B IT 1157354 B IT1157354 B IT 1157354B IT 5133178 A IT5133178 A IT 5133178A IT 5133178 A IT5133178 A IT 5133178A IT 1157354 B IT1157354 B IT 1157354B
Authority
IT
Italy
Prior art keywords
choke coil
light intensity
discharge lamp
intensity control
selection
Prior art date
Application number
IT5133178A
Other languages
English (en)
Other versions
IT7851331A0 (it
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 IT7851331A0 publication Critical patent/IT7851331A0/it
Application granted granted Critical
Publication of IT1157354B publication Critical patent/IT1157354B/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
    • H05B41/14—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

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
IT5133178A 1977-10-03 1978-10-02 Disposizione di comando di variazione di flusso luminoso per impianti di illuminazione IT1157354B (it)

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 (2)

Publication Number Publication Date
IT7851331A0 IT7851331A0 (it) 1978-10-02
IT1157354B true IT1157354B (it) 1987-02-11

Family

ID=25661340

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5133178A IT1157354B (it) 1977-10-03 1978-10-02 Disposizione di comando di variazione di flusso luminoso per impianti di illuminazione

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
IT7851331A0 (it) 1978-10-02
GB2022343A (en) 1979-12-12
IE791063L (en) 1979-11-30
FR2404988A1 (fr) 1979-04-27
FR2404988B1 (it) 1984-05-04
NL7904257A (nl) 1979-12-04
DE2921833A1 (de) 1979-12-06
BE867603A (fr) 1978-09-18
IE48753B1 (en) 1985-05-15
BE859304A (fr) 1978-04-03

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