BE878227A - VARIABLE LOW FREQUENCY GRADATION FOR DISCHARGE LAMPS IN GAS OF HIGH INTENSITY - Google Patents

VARIABLE LOW FREQUENCY GRADATION FOR DISCHARGE LAMPS IN GAS OF HIGH INTENSITY

Info

Publication number
BE878227A
BE878227A BE0/196720A BE196720A BE878227A BE 878227 A BE878227 A BE 878227A BE 0/196720 A BE0/196720 A BE 0/196720A BE 196720 A BE196720 A BE 196720A BE 878227 A BE878227 A BE 878227A
Authority
BE
Belgium
Prior art keywords
gas
low frequency
high intensity
discharge lamps
variable low
Prior art date
Application number
BE0/196720A
Other languages
French (fr)
Inventor
E Nuver
Original Assignee
Esquire Inc
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 Esquire Inc filed Critical Esquire Inc
Publication of BE878227A publication Critical patent/BE878227A/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
    • H05B41/39—Controlling the intensity of light continuously
BE0/196720A 1978-08-25 1979-08-13 VARIABLE LOW FREQUENCY GRADATION FOR DISCHARGE LAMPS IN GAS OF HIGH INTENSITY BE878227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US93688278A 1978-08-25 1978-08-25

Publications (1)

Publication Number Publication Date
BE878227A true BE878227A (en) 1979-12-03

Family

ID=25469192

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/196720A BE878227A (en) 1978-08-25 1979-08-13 VARIABLE LOW FREQUENCY GRADATION FOR DISCHARGE LAMPS IN GAS OF HIGH INTENSITY

Country Status (9)

Country Link
AU (1) AU526724B2 (en)
BE (1) BE878227A (en)
CA (1) CA1130852A (en)
DE (1) DE2931794A1 (en)
ES (1) ES483620A1 (en)
FR (1) FR2434547A1 (en)
GB (1) GB2029134B (en)
IT (1) IT1117392B (en)
MX (1) MX147513A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0666159B2 (en) * 1982-01-15 1994-08-24 ミニトロニクス・ピ−ティ−ワイ・リミテッド High frequency electronic ballast for gas discharge lamp
US4843627A (en) * 1986-08-05 1989-06-27 Stebbins Russell T Circuit and method for providing a light energy response to an event in real time
DE19708187A1 (en) * 1997-02-28 1998-09-03 Uwe Unterwasser Electric Gmbh Lamp circuit control
GB2477507A (en) * 2010-02-03 2011-08-10 Emil Blumer Control of luminance of gas discharge lamp using variable frequency drive

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB720279A (en) * 1951-08-09 1954-12-15 Gen Electric Co Ltd Improvements in or relating to circuits for operating electric discharge lamps
GB955656A (en) * 1959-05-19 1964-04-15 A E I Lamp And Lighting Compan Operation of electric discharge lamps
US3836815A (en) * 1972-05-24 1974-09-17 Gen Electric Emergency instant-start lighting system for arc discharge devices

Also Published As

Publication number Publication date
ES483620A1 (en) 1980-04-01
MX147513A (en) 1982-12-10
CA1130852A (en) 1982-08-31
DE2931794A1 (en) 1980-03-06
IT1117392B (en) 1986-02-17
IT7949748A0 (en) 1979-07-13
AU526724B2 (en) 1983-01-27
AU5008979A (en) 1980-02-28
FR2434547A1 (en) 1980-03-21
GB2029134B (en) 1982-11-03
GB2029134A (en) 1980-03-12

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ESQUIRE INC.

Effective date: 19840813