DE3775588D1 - Hochfrequenz-vorschaltgeraet fuer gasentladungslampen. - Google Patents

Hochfrequenz-vorschaltgeraet fuer gasentladungslampen.

Info

Publication number
DE3775588D1
DE3775588D1 DE8787302692T DE3775588T DE3775588D1 DE 3775588 D1 DE3775588 D1 DE 3775588D1 DE 8787302692 T DE8787302692 T DE 8787302692T DE 3775588 T DE3775588 T DE 3775588T DE 3775588 D1 DE3775588 D1 DE 3775588D1
Authority
DE
Germany
Prior art keywords
frequency
varies
current
discharge lamps
load circuit
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.)
Expired - Lifetime
Application number
DE8787302692T
Other languages
English (en)
Inventor
Thomas E Dean
William H Henrich
David M Fischer
Lawrence J Stratton
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.)
Advance Transformer Co
Original Assignee
Thomas Industries 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 Thomas Industries Inc filed Critical Thomas Industries Inc
Application granted granted Critical
Publication of DE3775588D1 publication Critical patent/DE3775588D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • 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
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2858—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)
DE8787302692T 1986-03-28 1987-03-27 Hochfrequenz-vorschaltgeraet fuer gasentladungslampen. Expired - Lifetime DE3775588D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84585386A 1986-03-28 1986-03-28

Publications (1)

Publication Number Publication Date
DE3775588D1 true DE3775588D1 (de) 1992-02-13

Family

ID=25296241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302692T Expired - Lifetime DE3775588D1 (de) 1986-03-28 1987-03-27 Hochfrequenz-vorschaltgeraet fuer gasentladungslampen.

Country Status (6)

Country Link
EP (1) EP0239420B1 (de)
JP (1) JPS63999A (de)
AT (1) ATE71244T1 (de)
AU (1) AU609388B2 (de)
CA (1) CA1327991C (de)
DE (1) DE3775588D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873471A (en) * 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps
JPH07118394B2 (ja) * 1987-06-15 1995-12-18 松下電工株式会社 放電灯点灯装置
DE3742921A1 (de) * 1987-12-17 1989-06-29 Pintsch Bamag Ag Vorschaltgeraet fuer eine entladungslampe
JPH01186790A (ja) * 1988-01-18 1989-07-26 Mitsubishi Electric Corp 放電ランプの点灯装置
ATE118667T1 (de) * 1989-04-14 1995-03-15 Emi Plc Thorn Vorschaltgeräte für gasentladungslampen.
US5345164A (en) * 1993-04-27 1994-09-06 Metcal, Inc. Power factor corrected DC power supply
EP0677982B1 (de) * 1994-04-15 2000-02-09 Knobel Ag Lichttechnische Komponenten Verfahren zum Betrieb eines Vorschaltgeräts für Entladungslampen
US6172468B1 (en) 1997-01-14 2001-01-09 Metrolight Ltd. Method and apparatus for igniting a gas discharge lamp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH637251A5 (de) * 1978-12-22 1983-07-15 Contrinex Sa Stromversorgungsanordnung zur speisung einer induktiven oder ohmisch-induktiven last.
DE3142613A1 (de) * 1981-10-28 1983-05-05 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum zuenden und betrieb einer niederdruckquecksilberdampfentladungslampe
DE3149526A1 (de) * 1981-12-14 1983-06-23 Philips Patentverwaltung Schaltungsanordnung zum betrieb von hochdruck-gasentladungslampen
NL8201631A (nl) * 1982-04-20 1983-11-16 Philips Nv Gelijkstroom-wisselstroomomzetter voor het ontsteken en met wisselstroom voeden van een gas- en/of dampontladingslamp.
US4560908A (en) * 1982-05-27 1985-12-24 North American Philips Corporation High-frequency oscillator-inverter ballast circuit for discharge lamps
US4873471A (en) * 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps

Also Published As

Publication number Publication date
AU609388B2 (en) 1991-05-02
EP0239420B1 (de) 1992-01-02
ATE71244T1 (de) 1992-01-15
JPS63999A (ja) 1988-01-05
AU7067187A (en) 1987-10-01
CA1327991C (en) 1994-03-22
EP0239420A1 (de) 1987-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ADVANCE TRANSFORMER CO., A DIVISION OF PHILIPS ELE

8328 Change in the person/name/address of the agent

Free format text: STAHLBERG, W., RECHTSANW. HOORMANN, W., DIPL.-ING. DR.-ING., 28209 BREMEN GODDAR, H., DIPL.-PHYS. DR.RER.NAT. LIESEGANG, R., DIPL.-ING. DR.-ING., PAT.-ANWAELTE, 80801 MUENCHEN KUNTZE, W. KOUKER, L., DR., RECHTSANWAELTE WINKLER, A., DR.RER.NAT., PAT.-ANW. HUTH, M., RECHTSANW., 28209 BREMEN TOENHARDT, M., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 40593 DUESSELDORF EBERT-WEIDENFELLER, A., DR. JUR., 28209 BREMEN NORDEMANN, A., DR.JUR., 28717 BREMEN NORDEMANN, W., PROF. DR. VINCK, K., DR. HERTIN, P., PROF.

8339 Ceased/non-payment of the annual fee