FR2046804B1 - - Google Patents

Info

Publication number
FR2046804B1
FR2046804B1 FR707022049A FR7022049A FR2046804B1 FR 2046804 B1 FR2046804 B1 FR 2046804B1 FR 707022049 A FR707022049 A FR 707022049A FR 7022049 A FR7022049 A FR 7022049A FR 2046804 B1 FR2046804 B1 FR 2046804B1
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
FR707022049A
Other versions
FR2046804A1 (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.)
Berkey Photo Inc
Original Assignee
Berkey Photo Inc
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 FR869130A external-priority patent/FR1303110A/fr
Application filed by Berkey Photo Inc filed Critical Berkey Photo Inc
Publication of FR2046804A1 publication Critical patent/FR2046804A1/fr
Application granted granted Critical
Publication of FR2046804B1 publication Critical patent/FR2046804B1/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
    • H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
    • 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
FR707022049A 1961-07-26 1970-06-16 Expired FR2046804B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR869130A FR1303110A (fr) 1961-07-26 1961-07-26 Procédé de réalisation de reproductions de tableaux
US83353469A 1969-06-16 1969-06-16

Publications (2)

Publication Number Publication Date
FR2046804A1 FR2046804A1 (fr) 1971-03-12
FR2046804B1 true FR2046804B1 (fr) 1973-01-12

Family

ID=26191613

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707022049A Expired FR2046804B1 (fr) 1961-07-26 1970-06-16

Country Status (4)

Country Link
US (1) US3588599A (fr)
DE (1) DE2029490A1 (fr)
FR (1) FR2046804B1 (fr)
GB (1) GB1303110A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886405A (en) * 1972-02-07 1975-05-27 Mamiya Camera Device for operating discharge lamps
US4695771A (en) * 1985-07-29 1987-09-22 Advance Transformer Company Ignition circuit for high pressure arc discharge lamps
US5023521A (en) * 1989-12-18 1991-06-11 Radionic Industries, Inc. Lamp ballast system
US5387849A (en) * 1992-12-14 1995-02-07 Radionic Technology Incorporated Lamp ballast system characterized by a power factor correction of greater than or equal to 90%
FR2969417B1 (fr) * 2010-12-17 2013-09-06 St Microelectronics Tours Sas Alimentation capacitive a limitation de courant d'appel

Also Published As

Publication number Publication date
US3588599A (en) 1971-06-28
GB1303110A (fr) 1973-01-17
DE2029490A1 (de) 1971-03-11
FR2046804A1 (fr) 1971-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse