Method and electronic operating device for operating a gas...

Details Method and electronic operating device for operating a gas... Method and electronic operating device for operating a gas...

H - Electricity

05

B

H05B 41/292 (2006.01)

Patent

CA 2750666

The invention relates to a method for operating a gas discharge lamp, wherein the gas discharge lamp is operated by a square-wave current, wherein the lamp current has predetermined commutation points over time and a commutation for creating a commutation pattern can take place at said commutation points. The invention likewise relates to an electronic operating device having an igniter, an inverter and a control circuit, wherein the electronic operating device carries out said method. The invention likewise relates to a projector having an electronic operating device, wherein the projector is designed to project an image during performance of the method without the performance of the method being viewable in the image.

L'invention concerne un procédé pour faire fonctionner une lampe à décharge, cette lampe à décharge fonctionnant au moyen d'un courant de lampe rectangulaire. Selon l'invention, le courant de lampe comprend des points de commutation prédéterminés dans le temps, et une commutation peut se produire au niveau de ces points de commutation pour générer un profil de commutation. Cette invention concerne également un appareil électronique comprenant un appareil d'allumage, un onduleur, et un circuit de commande, ledit appareil électronique exécutant ledit procédé. L'invention se rapporte en outre à un projecteur équipé d'un appareil électronique, ce projecteur étant conçu pour projeter une image pendant que le procédé est exécuté, sans qu'il soit nécessaire de regarder l'image pour effectuer ledit procédé.

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