Cathode structure for cathode ray tube

Details Cathode structure for cathode ray tube Cathode structure for cathode ray tube

H - Electricity

01

J

H01J 29/04 (2006.01) H01J 1/26 (2006.01)

Patent

CA 2191513

An improved cathode structure for a cathode ray tube includes a first metal tube which can receive an emitting part and a heating element, a second metal tube constituting the cathode shielding, and means for retaining the first tube in position inside the second, wherein the retaining means are constituted by a single metal piece. In a preferential mode of implementation, the metal retention piece is constituted by a crown having branches extending in the direction of the axis of the crown.

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