IT1072133B - PROCEDURE FOR THE OVERLAPPING OF A TRANSITIONAL CYCLE OVERVOLTAGE TO THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT MULTIPLE POWER LEVELS - Google Patents

PROCEDURE FOR THE OVERLAPPING OF A TRANSITIONAL CYCLE OVERVOLTAGE TO THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT MULTIPLE POWER LEVELS

Info

Publication number
IT1072133B
IT1072133B IT6990776A IT6990776A IT1072133B IT 1072133 B IT1072133 B IT 1072133B IT 6990776 A IT6990776 A IT 6990776A IT 6990776 A IT6990776 A IT 6990776A IT 1072133 B IT1072133 B IT 1072133B
Authority
IT
Italy
Prior art keywords
overlapping
procedure
supply voltage
power levels
discharge lamps
Prior art date
Application number
IT6990776A
Other languages
Italian (it)
Original Assignee
Lampes Sa
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 Lampes Sa filed Critical Lampes Sa
Application granted granted Critical
Publication of IT1072133B publication Critical patent/IT1072133B/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
    • 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
IT6990776A 1975-12-08 1976-12-06 PROCEDURE FOR THE OVERLAPPING OF A TRANSITIONAL CYCLE OVERVOLTAGE TO THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT MULTIPLE POWER LEVELS IT1072133B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7537442A FR2335120A1 (en) 1975-12-08 1975-12-08 PROCESS FOR SUPERIMPOSING A TRANSITORY CYCLIC OVERVOLTAGE ON THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT SEVERAL POWER LEVELS

Publications (1)

Publication Number Publication Date
IT1072133B true IT1072133B (en) 1985-04-10

Family

ID=9163424

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6990776A IT1072133B (en) 1975-12-08 1976-12-06 PROCEDURE FOR THE OVERLAPPING OF A TRANSITIONAL CYCLE OVERVOLTAGE TO THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT MULTIPLE POWER LEVELS

Country Status (8)

Country Link
BE (1) BE849164A (en)
DE (1) DE2647182C2 (en)
ES (1) ES454003A1 (en)
FR (1) FR2335120A1 (en)
GB (1) GB1550002A (en)
IT (1) IT1072133B (en)
LU (1) LU76332A1 (en)
NL (1) NL7613650A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5962988A (en) * 1995-11-02 1999-10-05 Hubbell Incorporated Multi-voltage ballast and dimming circuits for a lamp drive voltage transformation and ballasting system
US6844534B2 (en) 1998-06-23 2005-01-18 Micvac Ab Process for microwave cooking and vacuum packing of food

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB486586A (en) * 1936-11-03 1938-06-03 Gen Electric Co Ltd Improvements in or relating to circuits for operating high-pressure mercury vapour lamps
US2928994A (en) * 1956-10-22 1960-03-15 Widakowich Marius Transistor inverters for feeding fluorescent tubes

Also Published As

Publication number Publication date
DE2647182C2 (en) 1982-04-08
FR2335120A1 (en) 1977-07-08
DE2647182A1 (en) 1977-06-16
ES454003A1 (en) 1977-11-16
GB1550002A (en) 1979-08-08
FR2335120B1 (en) 1980-01-04
BE849164A (en) 1977-04-01
LU76332A1 (en) 1977-06-09
NL7613650A (en) 1977-06-10

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