Method of adjusting a magnetic deflection unit of a cathode ray

Details Method of adjusting a magnetic deflection unit of a cathode ray Method of adjusting a magnetic deflection unit of a cathode ray

1977-06-16

1978-09-26

Birmiel, Howard A.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2956

Patent

active

041173791

ABSTRACT:
A method for aligning a deflection unit on an in line CRT uses a multipole field generated by the deflection unit. The center beam is turned on and the deflection unit aligned until it makes a single dot pattern on the CRT screen.

REFERENCES:
patent: 3629751 (1977-12-01), Massa
patent: 3714500 (1973-01-01), Kaashoek
patent: 3793554 (1974-02-01), Rossaert
patent: 3898520 (1975-08-01), Gerritsen et al.

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