Thomson Licensing

Thomson Licensing S.a.

Arnaud Farizon

Christian Galmiche

Philippe Arnaud

Philippe Zehnder

The disclosure describes an electron gun having cathode support structure which comprises an eyelet that surrounds a cathode and is welded to the cathode, and a metal platesubstantially parallel to the longitudinal axis of the gun. The metal plate has a central partfolded so as to partially surround the eyelet and two side armsextending an each side of the central part and connected thereto by a region. The region has, in the direction of the longitudinal axis, a width which is greater than the width of the side arms in the same direction, thereby making it possible to use the same support for the side and central cathodes of a three-beam gun.

Electron gun structure for a cathode-ray tube

An electron gun for a cathode-ray tube comprises a dish-shaped control electrode. The electrode is made from three separate components: a substantially plane component drilled with apertures so as to allow the passage of electron beams, and two identically shaped components intended to make a skirt, serving as support for the cathode modules. The three components are welded together. This structure allows the construction of a control electrode serving as support for cathode modules by virtue of inexpensive components that are simple to manufacture.

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Chevigny St. Sauveur, France

Arnaud Farizon