JPS56116297A - Arc lamp illuminator with strong and weak light levels - Google Patents

Arc lamp illuminator with strong and weak light levels

Info

Publication number
JPS56116297A
JPS56116297A JP18297080A JP18297080A JPS56116297A JP S56116297 A JPS56116297 A JP S56116297A JP 18297080 A JP18297080 A JP 18297080A JP 18297080 A JP18297080 A JP 18297080A JP S56116297 A JPS56116297 A JP S56116297A
Authority
JP
Japan
Prior art keywords
strong
arc lamp
light levels
weak light
lamp illuminator
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.)
Pending
Application number
JP18297080A
Other languages
Japanese (ja)
Inventor
Jiyon Matsukufuedein Robaato
Piiru Uiriamu
Maachin Daabuanpooto Jiyon
Jiyosefu Kurosubii Robaato
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 JPS56116297A publication Critical patent/JPS56116297A/en
Pending 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
JP18297080A 1979-12-27 1980-12-25 Arc lamp illuminator with strong and weak light levels Pending JPS56116297A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS56116297A true JPS56116297A (en) 1981-09-11

Family

ID=22317981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18297080A Pending JPS56116297A (en) 1979-12-27 1980-12-25 Arc lamp illuminator with strong and weak light 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
FR2472902B1 (en) 1985-04-05
DE3048890A1 (en) 1981-09-10
FR2472902A1 (en) 1981-07-03
GB2066596A (en) 1981-07-08
GB2066596B (en) 1984-02-29

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