DE69120913D1 - Vorrichtung zur Elektrodenabkopplung einer Leuchtstofflampe - Google Patents

Vorrichtung zur Elektrodenabkopplung einer Leuchtstofflampe

Info

Publication number
DE69120913D1
DE69120913D1 DE69120913T DE69120913T DE69120913D1 DE 69120913 D1 DE69120913 D1 DE 69120913D1 DE 69120913 T DE69120913 T DE 69120913T DE 69120913 T DE69120913 T DE 69120913T DE 69120913 D1 DE69120913 D1 DE 69120913D1
Authority
DE
Germany
Prior art keywords
decoupling
fluorescent lamp
fluorescent
lamp
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
DE69120913T
Other languages
English (en)
Other versions
DE69120913T2 (de
Inventor
Glenn D Garbowicz
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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
Priority claimed from US07/629,868 external-priority patent/US5175470A/en
Priority claimed from US07/673,692 external-priority patent/US5208511A/en
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69120913D1 publication Critical patent/DE69120913D1/de
Application granted granted Critical
Publication of DE69120913T2 publication Critical patent/DE69120913T2/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
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/05—Starting and operating circuit for fluorescent lamp
DE69120913T 1990-12-19 1991-12-11 Vorrichtung zur Elektrodenabkopplung einer Leuchtstofflampe Expired - Fee Related DE69120913T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/629,868 US5175470A (en) 1990-12-19 1990-12-19 Fluorescent lamp electrode disconnect arrangement
US07/673,692 US5208511A (en) 1991-03-21 1991-03-21 Fluorescent lamp electrode disconnect arrangement

Publications (2)

Publication Number Publication Date
DE69120913D1 true DE69120913D1 (de) 1996-08-22
DE69120913T2 DE69120913T2 (de) 1997-01-16

Family

ID=27091029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120913T Expired - Fee Related DE69120913T2 (de) 1990-12-19 1991-12-11 Vorrichtung zur Elektrodenabkopplung einer Leuchtstofflampe

Country Status (7)

Country Link
EP (1) EP0491434B1 (de)
JP (1) JPH04277494A (de)
KR (1) KR100218555B1 (de)
CA (1) CA2057682A1 (de)
DE (1) DE69120913T2 (de)
HU (1) HU213126B (de)
MX (1) MX9102104A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363017A (en) * 1991-03-21 1994-11-08 North American Philips Corporation Starting capacitor disconnect scheme for a fluorescent lamp
US6111369A (en) * 1998-12-18 2000-08-29 Clalight Israel Ltd. Electronic ballast
DE10304544B4 (de) 2003-02-04 2006-10-12 Hep Tech Co.Ltd. Elektronisches Vorschaltgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010399A (en) * 1975-12-22 1977-03-01 Gte Sylvania Incorporated Switching circuit for a fluorescent lamp with heated filaments
DE3312572A1 (de) * 1983-04-08 1984-10-18 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Elektronisches vorschaltgeraet fuer eine leuchtstofflampe
DE3327189A1 (de) * 1983-07-28 1985-02-07 Diehl GmbH & Co, 8500 Nürnberg Schaltungsanordnung fuer das zuenden und fuer die helligkeitssteuerung von leuchtstofflampen
GB2153606A (en) * 1984-01-26 1985-08-21 Rodney Cairn Hope Output current controller for fluorescent lamp ballast

Also Published As

Publication number Publication date
HUT59785A (en) 1992-06-29
EP0491434A1 (de) 1992-06-24
MX9102104A (es) 1992-06-01
KR100218555B1 (ko) 1999-09-01
KR920014370A (ko) 1992-07-30
HU213126B (en) 1997-02-28
JPH04277494A (ja) 1992-10-02
CA2057682A1 (en) 1992-06-20
HU913971D0 (en) 1992-03-30
DE69120913T2 (de) 1997-01-16
EP0491434B1 (de) 1996-07-17

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee