CA2057682A1 - Fluorescent lamp electrode disconnect arrangement - Google Patents

Fluorescent lamp electrode disconnect arrangement

Info

Publication number
CA2057682A1
CA2057682A1 CA002057682A CA2057682A CA2057682A1 CA 2057682 A1 CA2057682 A1 CA 2057682A1 CA 002057682 A CA002057682 A CA 002057682A CA 2057682 A CA2057682 A CA 2057682A CA 2057682 A1 CA2057682 A1 CA 2057682A1
Authority
CA
Canada
Prior art keywords
lamp
electrode
fluorescent lamp
voltage
semiconductor
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.)
Abandoned
Application number
CA002057682A
Other languages
English (en)
French (fr)
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
Individual
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 Individual filed Critical Individual
Publication of CA2057682A1 publication Critical patent/CA2057682A1/en
Abandoned 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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
CA002057682A 1990-12-19 1991-12-16 Fluorescent lamp electrode disconnect arrangement Abandoned CA2057682A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/629,868 US5175470A (en) 1990-12-19 1990-12-19 Fluorescent lamp electrode disconnect arrangement
US629,868 1990-12-19
US673,692 1991-03-21
US07/673,692 US5208511A (en) 1991-03-21 1991-03-21 Fluorescent lamp electrode disconnect arrangement

Publications (1)

Publication Number Publication Date
CA2057682A1 true CA2057682A1 (en) 1992-06-20

Family

ID=27091029

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002057682A Abandoned CA2057682A1 (en) 1990-12-19 1991-12-16 Fluorescent lamp electrode disconnect arrangement

Country Status (7)

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

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
DE69120913D1 (de) 1996-08-22
HUT59785A (en) 1992-06-29
EP0491434A1 (en) 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
HU913971D0 (en) 1992-03-30
DE69120913T2 (de) 1997-01-16
EP0491434B1 (en) 1996-07-17

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead