FR2472902B1 - - Google Patents

Info

Publication number
FR2472902B1
FR2472902B1 FR8027501A FR8027501A FR2472902B1 FR 2472902 B1 FR2472902 B1 FR 2472902B1 FR 8027501 A FR8027501 A FR 8027501A FR 8027501 A FR8027501 A FR 8027501A FR 2472902 B1 FR2472902 B1 FR 2472902B1
Authority
FR
France
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.)
Expired
Application number
FR8027501A
Other languages
French (fr)
Other versions
FR2472902A1 (en
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2472902A1 publication Critical patent/FR2472902A1/en
Application granted granted Critical
Publication of FR2472902B1 publication Critical patent/FR2472902B1/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
    • H05B41/46—Circuits providing for substitution in case of failure of the lamp
    • 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
    • H05B35/00—Electric light sources using a combination of different types of light generation
    • 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
FR8027501A 1979-12-27 1980-12-24 ARC LAMP LIGHTING DEVICE WITH HIGH AND LOW FLASHING LEVELS Granted FR2472902A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10769879A 1979-12-27 1979-12-27

Publications (2)

Publication Number Publication Date
FR2472902A1 FR2472902A1 (en) 1981-07-03
FR2472902B1 true FR2472902B1 (en) 1985-04-05

Family

ID=22317981

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027501A Granted FR2472902A1 (en) 1979-12-27 1980-12-24 ARC LAMP LIGHTING DEVICE WITH HIGH AND LOW FLASHING LEVELS

Country Status (4)

Country Link
JP (1) JPS56116297A (en)
DE (1) DE3048890A1 (en)
FR (1) FR2472902A1 (en)
GB (1) GB2066596B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471268A (en) * 1982-12-27 1984-09-11 General Electric Company Lighting unit having power supply with improved switching means
US4495446A (en) * 1982-12-27 1985-01-22 General Electric Company Lighting unit with improved control sequence
NL8205026A (en) * 1982-12-29 1984-07-16 Philips Nv APPARATUS EQUIPPED WITH A METAL VAPOR DISCHARGE PIPE EQUIPPED WITH AT LEAST TWO INTERNAL ELECTRODES.
AU587100B2 (en) * 1986-01-23 1989-08-03 Hubbell Incorporated Start, hot restart and operating lamp circuit
US4763044A (en) * 1986-01-23 1988-08-09 Hubbell Incorporated Start, hot restart and operating lamp circuit
US5866993A (en) * 1996-11-14 1999-02-02 Pacific Scientific Company Three-way dimming ballast circuit with passive power factor correction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527982A (en) * 1968-07-31 1970-09-08 Gen Electric Discharge lamp ballasting
US4151445A (en) * 1978-02-15 1979-04-24 General Electric Company Instant light lamp control circuit

Also Published As

Publication number Publication date
DE3048890A1 (en) 1981-09-10
FR2472902A1 (en) 1981-07-03
GB2066596A (en) 1981-07-08
JPS56116297A (en) 1981-09-11
GB2066596B (en) 1984-02-29

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Legal Events

Date Code Title Description
ST Notification of lapse