Magnetic beam adjusting arrangement

Details Magnetic beam adjusting arrangement Magnetic beam adjusting arrangement

1980-05-13

1982-01-12

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335210, H01F 100

Patent

active

043108199

ABSTRACT:
A magnetic beam adjusting arrangement for use in adjusting static convergence in an in-line, tri-beam, cathode ray tube includes first and second U-shaped magnet elements, each rotatably and radially movably mounted on a neck section of the cathode ray tube. Each magnet element is polarized with three or five poles for adjusting the convergence of the beams at outer beam paths of a trio of in-line beams paths.

REFERENCES:
patent: 3609607 (1971-09-01), Sohma
patent: 3725831 (1973-04-01), Barbin
patent: 3808570 (1974-04-01), Thompson et al.
patent: 4091347 (1978-05-01), Barbin

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