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

    • 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
    • H05B41/391—Controlling 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

Similar Documents

Publication Publication Date Title
BE575272A (en) Coupling device for current limitation and preheating for the lighting of luminescent lamps.
FR1343920A (en) Fluorescent lighting device
FR1224928A (en) Coupling device for current limiting and preheating for the lighting of luminescent lamps
FR1272991A (en) Method and device for facilitating the lighting of sodium vapor lamps
BE599730A (en) Ignition device for fluorescent lamps
FR1267157A (en) Device for initiating the discharge of electroluminescence lamps
FR1216532A (en) Device for lighting luminescent lamps
FR1235821A (en) Device for heating and ignition circuits of fluorescent lamps
FR1266481A (en) Fluorescent lamp ignition device
FR1326501A (en) Device for automatic progressive modification of the illumination of electric lamps
FR1399718A (en) Method and device for the addition of several primary sources
FR1130469A (en) Device for rapid switching on of fluorescent lamps
FR1253247A (en) Electrical device for supplying fluorescent lamps, applicable in particular to the lighting of light screens called negatoscopes
FR1196327A (en) Device for powering magnesic flash lamps
FR1177968A (en) Device for lighting fires
BE575865A (en) Device for the lighting of an overhead power line.
FR1298335A (en) Device for igniting discharge lamps with preheated cathodes
FR1191785A (en) Device for the lighting of an overhead power line
CH352575A (en) Device for the lighting of an overhead power line
FR1204436A (en) Automatic device for the addition of impurities during the pulling of transistrons with junctions
FR1200195A (en) Lighting device
FR1248436A (en) Lighting body with removable shutter box for luminescent tubular lamps
FR1170074A (en) Lighting device for fluorescent tube
FR1319572A (en) Device for limiting the intensity of the current in alternating current circuits
FR1203648A (en) Ignition and maintenance device for electric discharge lamps