Apparatus for influencing electron beam movement

Details Apparatus for influencing electron beam movement Apparatus for influencing electron beam movement

H - Electricity

01

J

313/35.11, 313/3

H01J 29/76 (2006.01) H01F 13/00 (2006.01) H01J 9/44 (2006.01)

Patent

CA 1182164

-12- Abstract of the Disclosure Method and apparatus for influencing the movement of electron beams of a cathode ray tube comprises means for magnetizing a strip of magnetizable material disposed about the neck of the tube. The magnetizing means includes a pair of members each incorporating magnetizing coils. Means including a hinge is coupled to the members for providing a first opened position of the members for placing the magnetization on the tube neck and a second closed position of the members for encircling the tube neck. A source of magnetizing current is coupled to the magnetizing coils for developing magnetic fields in the vicinity of the coils for magnetizing the magnetizable strip.

397932

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