CRT with neck-gripping beam-correcting ferrite-ring assembly

Details CRT with neck-gripping beam-correcting ferrite-ring assembly CRT with neck-gripping beam-correcting ferrite-ring assembly

1996-12-04

1999-02-09

Patidar, Jay M.

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313437, 313428, 313412, 31536824, 348807, H01J 2970

Patent

active

058699236

ABSTRACT:
A rigid ferrite-containing ring and plastic holder are described for mounting on the neck of a color cathode ray tube (CRT) which ring is to be custom magnetized in order to provide correction of static convergence, color purity and/or frame errors in the CRT. The holder is provided with depressible tabs which releasably secure the ring to the holder. The holder is mounted on the neck of the CRT in the vicinity of the main focusing gap of the electron gun of the CRT, using an adhesive.

REFERENCES:
patent: 4211960 (1980-07-01), Barten et al.
patent: 4220897 (1980-09-01), Barten et al.
patent: 4641062 (1987-02-01), Pons
patent: 5105120 (1992-04-01), Nishioka et al.
patent: 5191253 (1993-03-01), Kang
patent: 5227692 (1993-07-01), Lee

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