Fluorescent lamp starter

Details Fluorescent lamp starter Fluorescent lamp starter

H - Electricity

05

B

H05B 41/14 (2006.01) H05B 41/04 (2006.01)

Patent

CA 2107139

A fluorescent lamp starter which includes: a series circuit to be connected to a power source for supplying an AC voltage, including a ballast and a fluorescent lamp equipped with electrodes; a transistor having a collector and an emitter connected through a diode between the electrodes on an opposite side of the fluorescent lamp in which the power source is not connected; a control voltage supply means having a resistance means and a capacitor, which are operated by a voltage between the collector and the emitter of the transistor; and a transistor base control means for switching the transistor by a total voltage of a part of a voltage generated in the resistance means of the control voltage supply means and a voltage generated in the capacitor thereof.

L'invention est un dispositif de mise sous tension pour lampe fluorescente qui comporte les éléments suivants : un circuit série à connecter à une source de tension alternative, ce circuit comportant un régulateur de puissance et une lampe fluorescente munie d'électrodes; un transistor dont le collecteur et l'émetteur sont connectés, par l'intermédiaire d'une diode, entre les électrodes qui se trouvent à l'extrémité de la lampe fluorescente qui n'est pas connectée à la source d'alimentation; un contrôleur de tension comportant une résistance et un condensateur soumis à la tension entre le connecteur et l'émetteur du transistor; et un dispositif de contrôle de la base du transistor servant à commuter le transistor au moyen d'une tension produite par la résistance et le condensateur du contrôleur de tension.

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