FR2549640B1 - Lampe fluorescente tricolore - Google Patents

Lampe fluorescente tricolore

Info

Publication number
FR2549640B1
FR2549640B1 FR8411305A FR8411305A FR2549640B1 FR 2549640 B1 FR2549640 B1 FR 2549640B1 FR 8411305 A FR8411305 A FR 8411305A FR 8411305 A FR8411305 A FR 8411305A FR 2549640 B1 FR2549640 B1 FR 2549640B1
Authority
FR
France
Prior art keywords
fluorescent lamp
tricolor fluorescent
tricolor
lamp
fluorescent
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
Application number
FR8411305A
Other languages
English (en)
Other versions
FR2549640A1 (fr
Inventor
Katsumasa Nakai
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of FR2549640A1 publication Critical patent/FR2549640A1/fr
Application granted granted Critical
Publication of FR2549640B1 publication Critical patent/FR2549640B1/fr
Expired 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
    • 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
    • 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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • Y10S315/01—Fluorescent lamp circuits with more than two principle electrodes
FR8411305A 1983-07-18 1984-07-17 Lampe fluorescente tricolore Expired FR2549640B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58131593A JPS6023947A (ja) 1983-07-18 1983-07-18 カラー放電灯

Publications (2)

Publication Number Publication Date
FR2549640A1 FR2549640A1 (fr) 1985-01-25
FR2549640B1 true FR2549640B1 (fr) 1988-08-05

Family

ID=15061677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411305A Expired FR2549640B1 (fr) 1983-07-18 1984-07-17 Lampe fluorescente tricolore

Country Status (5)

Country Link
US (1) US4625152A (fr)
JP (1) JPS6023947A (fr)
DE (1) DE3425931A1 (fr)
FR (1) FR2549640B1 (fr)
GB (1) GB2145873B (fr)

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Also Published As

Publication number Publication date
US4625152A (en) 1986-11-25
JPS6023947A (ja) 1985-02-06
JPH022268B2 (fr) 1990-01-17
GB2145873B (en) 1987-02-25
GB8417470D0 (en) 1984-08-15
DE3425931C2 (fr) 1988-12-08
DE3425931A1 (de) 1985-04-04
GB2145873A (en) 1985-04-03
FR2549640A1 (fr) 1985-01-25

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