DE59104073D1 - Wechselspannungs-Vorschaltgerät für elektrische Entladungslampen. - Google Patents

Wechselspannungs-Vorschaltgerät für elektrische Entladungslampen.

Info

Publication number
DE59104073D1
DE59104073D1 DE59104073T DE59104073T DE59104073D1 DE 59104073 D1 DE59104073 D1 DE 59104073D1 DE 59104073 T DE59104073 T DE 59104073T DE 59104073 T DE59104073 T DE 59104073T DE 59104073 D1 DE59104073 D1 DE 59104073D1
Authority
DE
Germany
Prior art keywords
switch
lamp
supply voltage
ballast
half cycle
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 - Fee Related
Application number
DE59104073T
Other languages
English (en)
Inventor
Ferdinand Mertens
Fred Dr Hasemann
Norbert Wittig
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux Lenze GmbH and Co KG
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 Trilux Lenze GmbH and Co KG filed Critical Trilux Lenze GmbH and Co KG
Application granted granted Critical
Publication of DE59104073D1 publication Critical patent/DE59104073D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2988—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)
  • Electroluminescent Light Sources (AREA)
DE59104073T 1991-01-24 1991-10-12 Wechselspannungs-Vorschaltgerät für elektrische Entladungslampen. Expired - Fee Related DE59104073D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4101980A DE4101980A1 (de) 1991-01-24 1991-01-24 Wechselspannungs-vorschaltgeraet fuer elektrische entladungslampen

Publications (1)

Publication Number Publication Date
DE59104073D1 true DE59104073D1 (de) 1995-02-09

Family

ID=6423585

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4101980A Withdrawn DE4101980A1 (de) 1991-01-24 1991-01-24 Wechselspannungs-vorschaltgeraet fuer elektrische entladungslampen
DE59104073T Expired - Fee Related DE59104073D1 (de) 1991-01-24 1991-10-12 Wechselspannungs-Vorschaltgerät für elektrische Entladungslampen.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4101980A Withdrawn DE4101980A1 (de) 1991-01-24 1991-01-24 Wechselspannungs-vorschaltgeraet fuer elektrische entladungslampen

Country Status (3)

Country Link
EP (1) EP0496040B1 (de)
AT (1) ATE116509T1 (de)
DE (2) DE4101980A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128314A1 (de) * 1991-08-27 1993-03-04 Diehl Gmbh & Co Stromversorgungsschaltung
DE59209374D1 (de) * 1992-11-06 1998-07-16 Trilux Lenze Gmbh & Co Kg Wechselspannungs-Vorschaltgerät für elektrische Entladungslampen
US5652481A (en) * 1994-06-10 1997-07-29 Beacon Light Products, Inc. Automatic state tranition controller for a fluorescent lamp
WO1997011586A1 (en) * 1995-09-19 1997-03-27 Beacon Light Products, Inc. Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply
US5631523A (en) * 1995-09-19 1997-05-20 Beacon Light Products, Inc. Method of regulating lamp current through a fluorescent lamp by pulse energizing a driving supply

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505562A (en) * 1968-04-29 1970-04-07 Westinghouse Electric Corp Single transistor inverter with a gas tube connected directly to the transistor
DE2332682C2 (de) * 1973-06-25 1985-06-27 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltung zur Helligkeitssteuerung von Gasentladungslampen
HU173720B (hu) * 1976-04-08 1979-07-28 Egyesuelt Izzolampa Ehlektroskhema dlja ehskpluatacii gazorazrjadnoj lampi
US4604552A (en) * 1984-08-30 1986-08-05 General Electric Company Retrofit fluorescent lamp energy management/dimming system
US4873471A (en) * 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps
FR2617363A1 (fr) * 1987-06-26 1988-12-30 Omega Electronics Sa Dispositif d'alimentation d'une lampe a decharge
DE4010435A1 (de) * 1990-03-31 1991-10-02 Trilux Lenze Gmbh & Co Kg Vorschaltgeraet fuer eine leuchtstofflampe

Also Published As

Publication number Publication date
ATE116509T1 (de) 1995-01-15
EP0496040A1 (de) 1992-07-29
EP0496040B1 (de) 1994-12-28
DE4101980A1 (de) 1992-08-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee