H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/16 (2006.01) H05B 41/24 (2006.01) H05B 41/38 (2006.01)
Patent
CA 2327651
A power supply for an electrodeless lamp (R) having an exterior starting electrode (26) and first and second magnetrons (8, 10) coupled to the lamp (2) comprises first and second power sources (12, 14) for being connected to the respective first and second magnetrons (8, 10); a switch (16) having first and second positions (18, 20), the first position (18) for disconnecting the second power source (14) from the second magnetron (10) and connecting the output of the second power source (14) to the output of the first power source (12) such that they are added together for being connected to the first magnetron (8) during starting of the lamp, the second position (20) for disconnecting the second power source (14) from the first magnetron (8) and connecting the second power source (14) to the second magnetron (10) after the lamp has started; and a controller (32) adapted to synchronize the starting of the first and second power sources (12, 14) and the starting electrode (26) such that they are turned on at the same time during starting of the lamp.
La présente invention concerne un dispositif d'alimentation pour une lampe (R) sans électrode, à électrode d'amorçage (26) extérieure, comprenant des premier et second magnétrons (8, 10) couplés à la lampe (2) et des première et seconde alimentations (12, 14) connectées respectivement aux premier et second magnétrons (8, 10), et un commutateur (16) qui présente des première et seconde positions (18, 20). La première position (18) dudit commutateur déconnecte la seconde alimentation (14) du second magnétron (10) et connecte la sortie de la seconde alimentation (14) à la sortie de la première alimentation (12) de telle manière qu'elles soient ajoutées et connectées au premier magnétron (8) au démarrage de la lampe. La seconde position (20) dudit commutateur déconnecte la seconde alimentation (14) du premier magnétron (8) et connecte la seconde alimentation (14) au second magnétron (10), après le démarrage de la lampe. Le dispositif de la présente invention comprend aussi un appareil de commande (32) qui sert à synchroniser le mise en route des première et seconde alimentations (12, 14) et de l'électrode d'amorçage (26), de manière à ce qu'elles soient alimentées au même moment au démarrage de la lampe.
Frank Jerome D.
Penzenstadler Ernest G.
Fusion Uv Systems Inc.
Ridout & Maybee Llp
LandOfFree
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