Series connected light string with filament shunting

Details Series connected light string with filament shunting Series connected light string with filament shunting

H - Electricity

05

B

H05B 37/02 (2006.01) H05B 37/03 (2006.01) H05B 39/10 (2006.01)

Patent

CA 2255641

A string of series connected incandescent bulbs (12-21) in which substantially all of the bulb filaments in the set are individually provided with a shunt element (31) which is inoperative during the normal operation of the set and is operative to provide the shunt only when an increase in the voltage across the shunt element exceeded a predetermined value, whereby continued flow of rated current continues to flow through said string even though a plurality of bulbs are missing from their respective sockets.

L'invention concerne une guirlande constituée d'ampoules incandescentes (12-21) connectées en série dans laquelle sensiblement tous les filaments se trouvant dans l'ensemble sont dotés individuellement d'un élément de dérivation (31), lequel est inopérant pendant le fonctionnement normal de l'ensemble et fonctionne pour assurer la dérivation uniquement lorsque l'augmentation de la tension dans l'élément de dérivation dépasse une valeur prédéterminée.

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