Decorative lighting string with stacked rectification

Details Decorative lighting string with stacked rectification Decorative lighting string with stacked rectification

H - Electricity

05

B

H05B 33/08 (2006.01) F21S 4/00 (2006.01)

Patent

CA 2532763

An improved decorative light string circuit comprises full bridge rectification located in or downstream of the front plug, wherein the rectification circuit contains one or more voltage reducing and/or filtering elements in order to reduce or limit LED drive current and reduce (filter) DC ripple and 1 or 2 LED series sets. Additional rectification circuits and LED series sets can be added in parallel to the first in "stacked mode", with each rectification circuit and LED series set electrically independent of prior and subsequent circuits. This eliminates the rectifying diode current summation load restrictions imposed by prior art and associated safety hazard due to diode overheating.

Un circuit amélioré de guirlande lumineuse décorative comprenant un circuit de redressement en pont se trouvant dans la fiche avant ou en aval de celle-ci, le circuit de redressement contenant un élément réducteur de tension et/ou de filtrage, ou plusieurs, afin de réduire ou de limiter le courant d'attaque des DEL et de réduire (filtre) l'ondulation c.c., ainsi que des jeux de 1 ou 2 DEL. D'autres circuits de redressement et jeux de DEL peuvent être ajoutés en parallèle au premier « mode d'empilage », chaque circuit de redressement et chaque jeu de DEL étant électriquement indépendants des circuits précédents et suivants. Cela élimine les restrictions de sommation du courant des diodes de redressement imposées dans les modèles antérieurs ainsi que les dangers pour la sécurité connexes attribuables à une surchauffe des diodes.

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