FR2108291A5 - - Google Patents

Info

Publication number
FR2108291A5
FR2108291A5 FR7133707A FR7133707A FR2108291A5 FR 2108291 A5 FR2108291 A5 FR 2108291A5 FR 7133707 A FR7133707 A FR 7133707A FR 7133707 A FR7133707 A FR 7133707A FR 2108291 A5 FR2108291 A5 FR 2108291A5
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
FR7133707A
Other languages
French (fr)
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.)
Italiana Westinghouse Freni e Segnali SpA
Original Assignee
Italiana Westinghouse Freni e Segnali SpA
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 Italiana Westinghouse Freni e Segnali SpA filed Critical Italiana Westinghouse Freni e Segnali SpA
Application granted granted Critical
Publication of FR2108291A5 publication Critical patent/FR2108291A5/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
    • H05B41/36—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
FR7133707A 1970-09-21 1971-09-20 Expired FR2108291A5 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT7017070 1970-09-21
IT7017170 1970-09-21

Publications (1)

Publication Number Publication Date
FR2108291A5 true FR2108291A5 (OSRAM) 1972-05-19

Family

ID=26329977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7133707A Expired FR2108291A5 (OSRAM) 1970-09-21 1971-09-20

Country Status (1)

Country Link
FR (1) FR2108291A5 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175632A2 (OSRAM) * 1972-03-16 1973-10-26 Radiotechnique Compelec

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175632A2 (OSRAM) * 1972-03-16 1973-10-26 Radiotechnique Compelec

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Legal Events

Date Code Title Description
ST Notification of lapse