FR2489071B1 - - Google Patents

Info

Publication number
FR2489071B1
FR2489071B1 FR8018348A FR8018348A FR2489071B1 FR 2489071 B1 FR2489071 B1 FR 2489071B1 FR 8018348 A FR8018348 A FR 8018348A FR 8018348 A FR8018348 A FR 8018348A FR 2489071 B1 FR2489071 B1 FR 2489071B1
Authority
FR
France
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
FR8018348A
Other languages
French (fr)
Other versions
FR2489071A1 (en
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR8018348A priority Critical patent/FR2489071A1/en
Publication of FR2489071A1 publication Critical patent/FR2489071A1/en
Application granted granted Critical
Publication of FR2489071B1 publication Critical patent/FR2489071B1/fr
Granted 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
FR8018348A 1980-08-22 1980-08-22 DC=AC converter supply for photocopier fluorescent tube - uses emitter resistor to detect tube current and triggers monostable which briefly inhibits oscillation of converter when power is excessive Granted FR2489071A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8018348A FR2489071A1 (en) 1980-08-22 1980-08-22 DC=AC converter supply for photocopier fluorescent tube - uses emitter resistor to detect tube current and triggers monostable which briefly inhibits oscillation of converter when power is excessive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8018348A FR2489071A1 (en) 1980-08-22 1980-08-22 DC=AC converter supply for photocopier fluorescent tube - uses emitter resistor to detect tube current and triggers monostable which briefly inhibits oscillation of converter when power is excessive

Publications (2)

Publication Number Publication Date
FR2489071A1 FR2489071A1 (en) 1982-02-26
FR2489071B1 true FR2489071B1 (en) 1984-02-17

Family

ID=9245355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018348A Granted FR2489071A1 (en) 1980-08-22 1980-08-22 DC=AC converter supply for photocopier fluorescent tube - uses emitter resistor to detect tube current and triggers monostable which briefly inhibits oscillation of converter when power is excessive

Country Status (1)

Country Link
FR (1) FR2489071A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524244B1 (en) * 1982-03-24 1985-07-26 Hennequin & Cie Sa DEVICE FOR SUPPLYING FLUORESCENT TUBES BY A CONTINUOUS SOURCE
US4663570A (en) * 1984-08-17 1987-05-05 Lutron Electronics Co., Inc. High frequency gas discharge lamp dimming ballast

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2305093A1 (en) * 1975-03-20 1976-10-15 Signaux Entr Electriques Voltage converter for supplying accident blinker light - has comparators driving two-transistor chopper feeding tube via transformer and rectifier

Also Published As

Publication number Publication date
FR2489071A1 (en) 1982-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse