FR1224928A - Coupling device for current limiting and preheating for the lighting of luminescent lamps - Google Patents

Coupling device for current limiting and preheating for the lighting of luminescent lamps

Info

Publication number
FR1224928A
FR1224928A FR786036A FR786036A FR1224928A FR 1224928 A FR1224928 A FR 1224928A FR 786036 A FR786036 A FR 786036A FR 786036 A FR786036 A FR 786036A FR 1224928 A FR1224928 A FR 1224928A
Authority
FR
France
Prior art keywords
preheating
lighting
coupling device
current limiting
luminescent lamps
Prior art date
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
FR786036A
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR1224928A publication Critical patent/FR1224928A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/36Controlling
    • H05B41/38Controlling the intensity of light
    • H05B41/39Controlling the intensity of light continuously
    • H05B41/391Controlling the intensity of light continuously using saturable magnetic devices
FR786036A 1958-02-21 1959-02-06 Coupling device for current limiting and preheating for the lighting of luminescent lamps Expired FR1224928A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1224928X 1958-02-21

Publications (1)

Publication Number Publication Date
FR1224928A true FR1224928A (en) 1960-06-28

Family

ID=7734416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786036A Expired FR1224928A (en) 1958-02-21 1959-02-06 Coupling device for current limiting and preheating for the lighting of luminescent lamps

Country Status (1)

Country Link
FR (1) FR1224928A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434007A (en) * 1966-10-24 1969-03-18 Automatic Displays Inc Electrical control means for a changeable exhibitor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434007A (en) * 1966-10-24 1969-03-18 Automatic Displays Inc Electrical control means for a changeable exhibitor

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