FR2335120A1 - PROCESS FOR SUPERIMPOSING A TRANSITORY CYCLIC OVERVOLTAGE ON THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT SEVERAL POWER LEVELS - Google Patents

PROCESS FOR SUPERIMPOSING A TRANSITORY CYCLIC OVERVOLTAGE ON THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT SEVERAL POWER LEVELS

Info

Publication number
FR2335120A1
FR2335120A1 FR7537442A FR7537442A FR2335120A1 FR 2335120 A1 FR2335120 A1 FR 2335120A1 FR 7537442 A FR7537442 A FR 7537442A FR 7537442 A FR7537442 A FR 7537442A FR 2335120 A1 FR2335120 A1 FR 2335120A1
Authority
FR
France
Prior art keywords
overvoltage
superimposing
transitory
cyclic
supply voltage
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7537442A
Other languages
French (fr)
Other versions
FR2335120B1 (en
Inventor
Liang Ing Tchang
Jean Dolezon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to FR7537442A priority Critical patent/FR2335120A1/en
Priority to DE19762647182 priority patent/DE2647182C2/en
Priority to GB4992676A priority patent/GB1550002A/en
Priority to LU76332A priority patent/LU76332A1/xx
Priority to IT6990776A priority patent/IT1072133B/en
Priority to ES454003A priority patent/ES454003A1/en
Priority to NL7613650A priority patent/NL7613650A/en
Priority to BE173045A priority patent/BE849164A/en
Publication of FR2335120A1 publication Critical patent/FR2335120A1/en
Application granted granted Critical
Publication of FR2335120B1 publication Critical patent/FR2335120B1/fr
Granted legal-status Critical Current

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
FR7537442A 1975-12-08 1975-12-08 PROCESS FOR SUPERIMPOSING A TRANSITORY CYCLIC OVERVOLTAGE ON THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT SEVERAL POWER LEVELS Granted FR2335120A1 (en)

Priority Applications (8)

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
DE19762647182 DE2647182C2 (en) 1975-12-08 1976-10-19 Circuit arrangement for operating a high-pressure gas discharge lamp
GB4992676A GB1550002A (en) 1975-12-08 1976-11-30 Arrangements for superposing transient cyclic increases in the supply voltage of high-pressure discharge lamps
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
LU76332A LU76332A1 (en) 1975-12-08 1976-12-06
ES454003A ES454003A1 (en) 1975-12-08 1976-12-06 Arrangements for superposing transient cyclic increases in the supply voltage of high-pressure discharge lamps
NL7613650A NL7613650A (en) 1975-12-08 1976-12-08 METHOD AND DEVICE FOR SUPERPOSING A CYCLIC TEMPORARY TOP VOLTAGE ON A POWER SUPPLY FOR HIGH-PRESSURE DISCHARGE LAMPS, MORE PARTICULARLY MERCURY VAPOR LAMPS, WHEN SUCH LAMPS ARE INFLUENCED BY A FOOD LEVELS HELD.
BE173045A BE849164A (en) 1975-12-08 1976-12-08 PROCESS FOR SUPERIMPOSING A TRANSITORY CYCLIC OVERVOLTAGE ON THE SUPPLY VOLTAGE OF DISCHARGE LAMPS AT SEVERAL POWER LEVELS

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 (2)

Publication Number Publication Date
FR2335120A1 true FR2335120A1 (en) 1977-07-08
FR2335120B1 FR2335120B1 (en) 1980-01-04

Family

ID=9163424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537442A Granted 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

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
DE2647182A1 (en) 1977-06-16
BE849164A (en) 1977-04-01
DE2647182C2 (en) 1982-04-08
GB1550002A (en) 1979-08-08
NL7613650A (en) 1977-06-10
FR2335120B1 (en) 1980-01-04
IT1072133B (en) 1985-04-10
ES454003A1 (en) 1977-11-16
LU76332A1 (en) 1977-06-09

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse