Light source for high efficiency illumination systems

Details Light source for high efficiency illumination systems Light source for high efficiency illumination systems

H - Electricity

01

K

H01K 1/14 (2006.01) H01K 7/02 (2006.01)

Patent

CA 2615754

A filament array for an incandescent lamp comprises a plurality of helically- coiled filament sections (7-10), which are arranged in one or more planes. The filament sections are of varying lengths whereby the array approximates the cross-sectional shape of the light beam which is to be projected by the lamp, as indicated for example by the circle (11).

La présente invention concerne une matrice de filaments pour une lampe à incandescence comprenant une pluralité de sections de filaments bobinées en hélice (7-10), qui sont disposées dans un ou plusieurs plans. Les sections de filaments comportent des longueurs variables, la forme de la matrice se rapprochant de la section transversale du faisceau lumineux devant être projeté par la lampe, comme indiqué en exemple par le cercle (11).

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