FR2055842A5 - - Google Patents

Info

Publication number
FR2055842A5
FR2055842A5 FR6921174A FR6921174A FR2055842A5 FR 2055842 A5 FR2055842 A5 FR 2055842A5 FR 6921174 A FR6921174 A FR 6921174A FR 6921174 A FR6921174 A FR 6921174A FR 2055842 A5 FR2055842 A5 FR 2055842A5
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
FR6921174A
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.)
Signify France SAS
Original Assignee
Philips France SAS
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 Philips France SAS filed Critical Philips France SAS
Priority to FR6921174A priority Critical patent/FR2055842A5/fr
Priority to DE19702029050 priority patent/DE2029050A1/de
Priority to GB2987970A priority patent/GB1317661A/en
Priority to NL7009087A priority patent/NL7009087A/xx
Priority to US49371A priority patent/US3679935A/en
Application granted granted Critical
Publication of FR2055842A5 publication Critical patent/FR2055842A5/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
    • H05B41/40—Controlling the intensity of light discontinuously
    • 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
    • Y10S315/04—Dimming circuit for fluorescent lamps
FR6921174A 1969-06-24 1969-06-24 Expired FR2055842A5 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR6921174A FR2055842A5 (fr) 1969-06-24 1969-06-24
DE19702029050 DE2029050A1 (de) 1969-06-24 1970-06-12 Anordnung zum Abblenden mindestens zweier parallel geschalteter Entladungs lampen
GB2987970A GB1317661A (en) 1969-06-24 1970-06-19 Circuit arrangements for dimming discharge lamps
NL7009087A NL7009087A (fr) 1969-06-24 1970-06-20
US49371A US3679935A (en) 1969-06-24 1970-06-24 Arrangement for dimming at least two parallel-arranged discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6921174A FR2055842A5 (fr) 1969-06-24 1969-06-24

Publications (1)

Publication Number Publication Date
FR2055842A5 true FR2055842A5 (fr) 1971-05-14

Family

ID=9036298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6921174A Expired FR2055842A5 (fr) 1969-06-24 1969-06-24

Country Status (5)

Country Link
US (1) US3679935A (fr)
DE (1) DE2029050A1 (fr)
FR (1) FR2055842A5 (fr)
GB (1) GB1317661A (fr)
NL (1) NL7009087A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE859304A (fr) * 1977-10-03 1978-04-03 Acec Installation de commande de variation du flux lumineux
US4686427A (en) * 1985-08-13 1987-08-11 Magnetek, Inc. Fluorescent lamp dimming switch
US5146139A (en) * 1989-01-23 1992-09-08 Nilssen Ole K Controllable gas discharge lighting system
US5204587A (en) * 1991-02-19 1993-04-20 Magnetek, Inc. Fluorescent lamp power control
KR100986664B1 (ko) * 2010-07-05 2010-10-11 이충해 교류용 발광 다이오드 발광 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2859387A (en) * 1953-07-30 1958-11-04 Zeiss Ikon Ag Arrangement for simultaneously or alternately operating a plurality of xenon high pressure lamps
DE1169035B (de) * 1961-12-27 1964-04-30 Siemens Ag Schaltanordnung zum Betrieb von Leuchtstoff-lampen in zwei Helligkeitsstufen, entsprechend voller und herabgesetzter Helligkeit

Also Published As

Publication number Publication date
DE2029050A1 (de) 1971-01-07
US3679935A (en) 1972-07-25
NL7009087A (fr) 1970-12-29
GB1317661A (en) 1973-05-23

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse