DK414587A - BALLASTING CIRCUIT FOR HIGH-INTENSITY DISPLAY LAMPS - Google Patents

BALLASTING CIRCUIT FOR HIGH-INTENSITY DISPLAY LAMPS

Info

Publication number
DK414587A
DK414587A DK414587A DK414587A DK414587A DK 414587 A DK414587 A DK 414587A DK 414587 A DK414587 A DK 414587A DK 414587 A DK414587 A DK 414587A DK 414587 A DK414587 A DK 414587A
Authority
DK
Denmark
Prior art keywords
display lamps
intensity display
ballasting circuit
ballasting
circuit
Prior art date
Application number
DK414587A
Other languages
Danish (da)
Other versions
DK414587D0 (en
Inventor
Sidney Allan Ottenstein
Original Assignee
Innovative Controls 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 Innovative Controls Inc filed Critical Innovative Controls Inc
Publication of DK414587D0 publication Critical patent/DK414587D0/en
Publication of DK414587A publication Critical patent/DK414587A/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
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light
DK414587A 1986-08-11 1987-08-10 BALLASTING CIRCUIT FOR HIGH-INTENSITY DISPLAY LAMPS DK414587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89528286A 1986-08-11 1986-08-11

Publications (2)

Publication Number Publication Date
DK414587D0 DK414587D0 (en) 1987-08-10
DK414587A true DK414587A (en) 1988-02-12

Family

ID=25404269

Family Applications (1)

Application Number Title Priority Date Filing Date
DK414587A DK414587A (en) 1986-08-11 1987-08-10 BALLASTING CIRCUIT FOR HIGH-INTENSITY DISPLAY LAMPS

Country Status (10)

Country Link
EP (1) EP0323452A1 (en)
KR (1) KR880003460A (en)
AU (1) AU590107B2 (en)
BR (1) BR8704103A (en)
DK (1) DK414587A (en)
FI (1) FI873488A (en)
HU (1) HU197139B (en)
IL (1) IL81552A0 (en)
NO (1) NO873333L (en)
WO (1) WO1988001468A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2587710B2 (en) * 1990-04-28 1997-03-05 株式会社小糸製作所 Lighting circuit for vehicle discharge lamps
JP2587720B2 (en) * 1990-10-19 1997-03-05 株式会社小糸製作所 Lighting circuit for vehicle discharge lamps
DE19535663A1 (en) * 1995-09-26 1997-03-27 Bosch Gmbh Robert Method and arrangement for controlling the power of a high-pressure gas discharge lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1134760B (en) * 1960-01-18 1962-08-16 Patra Patent Treuhand Circuit arrangement for operating high-pressure discharge lamps with rectangular current pulses
FR1277677A (en) * 1961-01-13 1961-12-01 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Pulse device for discharge lamps
US4414493A (en) * 1981-10-06 1983-11-08 Thomas Industries Inc. Light dimmer for solid state ballast
DE3236703A1 (en) * 1982-10-04 1984-04-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Circuit arrangement for operating high-pressure gas-discharge lamps

Also Published As

Publication number Publication date
WO1988001468A1 (en) 1988-02-25
FI873488A (en) 1988-02-12
IL81552A0 (en) 1987-09-16
KR880003460A (en) 1988-05-17
NO873333L (en) 1988-02-12
BR8704103A (en) 1988-04-12
AU590107B2 (en) 1989-10-26
EP0323452A1 (en) 1989-07-12
HUT44689A (en) 1988-03-28
NO873333D0 (en) 1987-08-10
FI873488A0 (en) 1987-08-11
HU197139B (en) 1989-02-28
DK414587D0 (en) 1987-08-10
AU7664987A (en) 1988-02-18

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment