High efficiency gas filled lamp

Details High efficiency gas filled lamp High efficiency gas filled lamp

H - Electricity

01

J

H01J 61/10 (2006.01)

Patent

CA 2716540

The invention relates to a gas filled lamp (110) and to a method of operating the same, the gas filled lamp including a tube (112) filled with a gas or combination of gases, the tube comprising an anode (114); and a cathode (16, 18) spaced apart from the anode wherein an electric field can be applied across the anode and the cathode so as to cause an electron to move from the cathode to the anode. The gas filled lamp further includes magnetising means (20, 22) to provide a magnetic field across the tube, the direction of the magnetic field being substantially perpendicular to the direction of the electric field, wherein the ratio between the electric and magnetic fields is substantially predetermined depending upon the gas or combination of gases within the tube.

La présente invention concerne une lampe remplie de gaz et un procédé de mise en uvre correspondant. Cette lampe remplie de gaz comporte un tube rempli d'un gaz ou d'une combinaison de gaz. Ce tube comprend une anode et une cathode séparée de l'anode, un champ électrique étant appliquée entre l'anode et la cathode de façon à provoquer le déplacement d'un électron de la cathode à l'anode. Cette lampe remplie de gaz comporte un organe de magnétisation de façon à créer un champ magnétique traversant le tube et dont l'axe est sensiblement perpendiculaire à l'axe du champ électrique, le rapport entre le champ électrique et le champ magnétique étant sensiblement prédéterminé en fonction du gaz ou de la combinaison de gaz à l'intérieur du tube.

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