IT1110911B - CIRCUIT TO VARY THE LIGHT FLOW IN HIGH PRESSURE LAMPS WITH MERCURY VAPORS AND SODIUM VAPORS - Google Patents

CIRCUIT TO VARY THE LIGHT FLOW IN HIGH PRESSURE LAMPS WITH MERCURY VAPORS AND SODIUM VAPORS

Info

Publication number
IT1110911B
IT1110911B IT19870/79A IT1987079A IT1110911B IT 1110911 B IT1110911 B IT 1110911B IT 19870/79 A IT19870/79 A IT 19870/79A IT 1987079 A IT1987079 A IT 1987079A IT 1110911 B IT1110911 B IT 1110911B
Authority
IT
Italy
Prior art keywords
vapors
vary
circuit
high pressure
light flow
Prior art date
Application number
IT19870/79A
Other languages
Italian (it)
Other versions
IT7919870A0 (en
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of IT7919870A0 publication Critical patent/IT7919870A0/en
Application granted granted Critical
Publication of IT1110911B publication Critical patent/IT1110911B/en

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
IT19870/79A 1978-02-03 1979-02-02 CIRCUIT TO VARY THE LIGHT FLOW IN HIGH PRESSURE LAMPS WITH MERCURY VAPORS AND SODIUM VAPORS IT1110911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2804564A DE2804564B2 (en) 1978-02-03 1978-02-03 Circuit for changing the luminous flux with mercury vapor or sodium vapor high pressure lamps

Publications (2)

Publication Number Publication Date
IT7919870A0 IT7919870A0 (en) 1979-02-02
IT1110911B true IT1110911B (en) 1986-01-13

Family

ID=6031048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19870/79A IT1110911B (en) 1978-02-03 1979-02-02 CIRCUIT TO VARY THE LIGHT FLOW IN HIGH PRESSURE LAMPS WITH MERCURY VAPORS AND SODIUM VAPORS

Country Status (6)

Country Link
DE (1) DE2804564B2 (en)
FR (1) FR2416616A1 (en)
GB (1) GB2014001A (en)
IT (1) IT1110911B (en)
NL (1) NL7900856A (en)
SE (1) SE7900940L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012869A1 (en) * 1980-04-02 1981-10-08 Adolf Schuch Kg, Lichttechnische Spezialfabrik, 6520 Worms Dimming circuit for high pressure gas discharge street lamp - has relay to switch alternative combinations of capacitance and inductance
DE4421756A1 (en) * 1994-06-22 1996-01-04 Magnetek May & Christe Gmbh Interruption-free reversal of power to HV discharge lamp
DE29507522U1 (en) * 1995-05-05 1995-11-16 Liesegang Fa Ed Power supply for a projector with a metal halide lamp

Also Published As

Publication number Publication date
FR2416616A1 (en) 1979-08-31
GB2014001A (en) 1979-08-15
NL7900856A (en) 1979-08-07
DE2804564A1 (en) 1979-08-09
DE2804564B2 (en) 1980-02-07
SE7900940L (en) 1979-08-04
IT7919870A0 (en) 1979-02-02

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