FR2394958B1 - - Google Patents

Info

Publication number
FR2394958B1
FR2394958B1 FR7718774A FR7718774A FR2394958B1 FR 2394958 B1 FR2394958 B1 FR 2394958B1 FR 7718774 A FR7718774 A FR 7718774A FR 7718774 A FR7718774 A FR 7718774A FR 2394958 B1 FR2394958 B1 FR 2394958B1
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
FR7718774A
Other languages
French (fr)
Other versions
FR2394958A1 (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.)
LLUELLES JEAN CLAUDE
Original Assignee
LLUELLES JEAN CLAUDE
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 LLUELLES JEAN CLAUDE filed Critical LLUELLES JEAN CLAUDE
Priority to FR7718774A priority Critical patent/FR2394958A1/en
Publication of FR2394958A1 publication Critical patent/FR2394958A1/en
Application granted granted Critical
Publication of FR2394958B1 publication Critical patent/FR2394958B1/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
FR7718774A 1977-06-14 1977-06-14 AC derived supply for cold cathode discharge lamps - has relaxation oscillator with thyristor threshold control Granted FR2394958A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7718774A FR2394958A1 (en) 1977-06-14 1977-06-14 AC derived supply for cold cathode discharge lamps - has relaxation oscillator with thyristor threshold control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7718774A FR2394958A1 (en) 1977-06-14 1977-06-14 AC derived supply for cold cathode discharge lamps - has relaxation oscillator with thyristor threshold control

Publications (2)

Publication Number Publication Date
FR2394958A1 FR2394958A1 (en) 1979-01-12
FR2394958B1 true FR2394958B1 (en) 1980-05-09

Family

ID=9192274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7718774A Granted FR2394958A1 (en) 1977-06-14 1977-06-14 AC derived supply for cold cathode discharge lamps - has relaxation oscillator with thyristor threshold control

Country Status (1)

Country Link
FR (1) FR2394958A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053236A (en) * 1900-01-01
DE1149111B (en) * 1958-09-27 1963-05-22 Bbc Brown Boveri & Cie Circuit arrangement for operating discharge lamps on a DC voltage source via an inverter
FR1456460A (en) * 1964-08-06 1966-07-08 Device for feeding fluorescent tubes at their preferred frequencies
US3909668A (en) * 1966-12-22 1975-09-30 Hughes Aircraft Co Variable duty cycle arc lamp modulator
GB1324598A (en) * 1969-11-06 1973-07-25 Bardic Systems Ltd Battery-powered fluorescent lighting units
US4023067A (en) * 1973-09-20 1977-05-10 Lighting Systems, Inc. Inverter ballast circuit

Also Published As

Publication number Publication date
FR2394958A1 (en) 1979-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse