Cathode ray tube

Details Cathode ray tube Cathode ray tube

H - Electricity

01

J

313/35.31

H01J 29/46 (2006.01) H01J 29/62 (2006.01) H01J 29/74 (2006.01) H01J 31/38 (2006.01)

Patent

CA 1219304

ABSTRACT A cathode ray tube comprises an envelope; an electron beam source positioned at one end of the envelope; a target positioned at another end of the envelope opposite to the electron beam source; a mesh electrode positioned opposite to the target; and an electrostatic lens means positioned between the electron beam source and the mesh electrode, the lens means having a first electrode, a second electrode and a third electrode respectively positioned along the electron beam path to focus the electron beam, the second electrode being divided into four arrow or zig-zag patterns to deflect the electron beam.

461326

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