FI970018A0 - Electronic dimming device Foer urladdningsamppa foersett med lampeffekts maetning med hjaelp av DC-signal - Google Patents

Electronic dimming device Foer urladdningsamppa foersett med lampeffekts maetning med hjaelp av DC-signal

Info

Publication number
FI970018A0
FI970018A0 FI970018A FI970018A FI970018A0 FI 970018 A0 FI970018 A0 FI 970018A0 FI 970018 A FI970018 A FI 970018A FI 970018 A FI970018 A FI 970018A FI 970018 A0 FI970018 A0 FI 970018A0
Authority
FI
Finland
Prior art keywords
med
urladdningsamppa
lampeffekts
maetning
foer
Prior art date
Application number
FI970018A
Other languages
Finnish (fi)
Other versions
FI101188B1 (en
FI101188B (en
Inventor
Erkki Ahonen
Original Assignee
Helvar Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8547419&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI970018(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Helvar Oy filed Critical Helvar Oy
Priority to FI970018A priority Critical patent/FI101188B/en
Publication of FI970018A0 publication Critical patent/FI970018A0/en
Priority to DE1997602829 priority patent/DE69702829T2/en
Priority to EP19970660149 priority patent/EP0852453B1/en
Application granted granted Critical
Publication of FI101188B1 publication Critical patent/FI101188B1/en
Publication of FI101188B publication Critical patent/FI101188B/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
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
FI970018A 1997-01-03 1997-01-03 Electronic connector for discharge lamp equipped with lamp power measurement by means of DC signal FI101188B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI970018A FI101188B (en) 1997-01-03 1997-01-03 Electronic connector for discharge lamp equipped with lamp power measurement by means of DC signal
DE1997602829 DE69702829T2 (en) 1997-01-03 1997-12-19 Electronic ballast of a gas discharge lamp with measurement of the lamp power by a direct current signal
EP19970660149 EP0852453B1 (en) 1997-01-03 1997-12-19 Electronic ballast for a discharge lamp, provided with a lamp power measurement by means of a DC-signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI970018A FI101188B (en) 1997-01-03 1997-01-03 Electronic connector for discharge lamp equipped with lamp power measurement by means of DC signal
FI970018 1997-01-03

Publications (3)

Publication Number Publication Date
FI970018A0 true FI970018A0 (en) 1997-01-03
FI101188B1 FI101188B1 (en) 1998-04-30
FI101188B FI101188B (en) 1998-04-30

Family

ID=8547419

Family Applications (1)

Application Number Title Priority Date Filing Date
FI970018A FI101188B (en) 1997-01-03 1997-01-03 Electronic connector for discharge lamp equipped with lamp power measurement by means of DC signal

Country Status (3)

Country Link
EP (1) EP0852453B1 (en)
DE (1) DE69702829T2 (en)
FI (1) FI101188B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107580B (en) * 1999-03-30 2001-08-31 Innoware Oy Fluorescent light supply connection
US7679293B2 (en) 2007-12-20 2010-03-16 General Electric Company Anti-striation circuit for current-fed ballast
US7982452B2 (en) 2009-07-30 2011-07-19 Infineon Technologies Austria Ag Detection of a load state of a half-bridge
US8952617B2 (en) 2009-11-03 2015-02-10 City University Of Hong Kong Passive LC ballast and method of manufacturing a passive LC ballast
US8638048B2 (en) 2011-04-12 2014-01-28 Infineon Technologies Ag Circuit for determining an average value
DE102011082239B3 (en) * 2011-09-07 2013-01-17 Osram Ag Electronic ballast and method of operating a discharge lamp
DE102011082245B3 (en) * 2011-09-07 2013-01-17 Osram Ag Electronic ballast and method of operating a discharge lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422255B1 (en) * 1989-10-09 1994-03-02 Siemens Aktiengesellschaft Electronic ballast
DE4039498B4 (en) * 1990-07-13 2006-06-29 Lutron Electronics Co., Inc. Circuit and method for dimming gas discharge lamps
EP0589081B1 (en) * 1992-09-24 1997-01-15 Knobel Ag Lichttechnische Komponenten Circuit for operating a fluorescent lamp with a current measuring circuit
EP0779016B1 (en) * 1995-06-29 2001-10-31 Koninklijke Philips Electronics N.V. Circuit arrangement

Also Published As

Publication number Publication date
FI101188B1 (en) 1998-04-30
DE69702829T2 (en) 2000-12-07
DE69702829D1 (en) 2000-09-21
EP0852453A1 (en) 1998-07-08
FI101188B (en) 1998-04-30
EP0852453B1 (en) 2000-08-16

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: OY HELVAR