EP 1648000 B1 20080326 - A rod core choke, an electronic ballast including the same and method of manufacturing
Title (en)
A rod core choke, an electronic ballast including the same and method of manufacturing
Title (de)
Stabförmige Kerndrossel, Vorschaltgerät und Verfahren zur Herstellung
Title (fr)
Bobine d'arrêt à noyau en forme de barre, un ballast et une méthode de fabrication
Publication
Application
Priority
EP 04425773 A 20041013
Abstract (en)
[origin: EP1648000A1] A rod core choke, for use e.g. in an electronic ballast of a fluorescent lamp, includes: a core (4) in the form of a rod having long and narrow solid shape, a sheath (bobbin 3) of an electrically insulating material surrounding said core (4) and a wire winding (2) around the said sheath (3), whereby said sheath (3) mutually insulates said core (4) and said wire winding (2). According to a preferred embodiment of the invention, said core is in form of a rod having parallelepiped shape.
IPC 8 full level
H01F 17/04 (2006.01); H01F 27/32 (2006.01); H01F 41/12 (2006.01)
CPC (source: EP)
H01F 17/045 (2013.01); H01F 27/326 (2013.01); H01F 37/00 (2013.01); H01F 38/10 (2013.01)
Citation (examination)
GB 2073500 A 19811014 - VOGT GMBH & CO KG
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1648000 A1 20060419; EP 1648000 B1 20080326; AT E390698 T1 20080415; CN 1767092 A 20060503; DE 602004012751 D1 20080508; DE 602004012751 T2 20090514
DOCDB simple family (application)
EP 04425773 A 20041013; AT 04425773 T 20041013; CN 200510113573 A 20051013; DE 602004012751 T 20041013