Method of magnetically processing color cathode-ray tube

Details Method of magnetically processing color cathode-ray tube Method of magnetically processing color cathode-ray tube

1996-05-07

1998-06-02

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

315 8, H04N 929, H01F 1300

Patent

active

057590770

ABSTRACT:
A color cathode-ray tube is demagnetized or magnetized in a magnetic transfer process with a direct-current biasing magnetic field, using an alternating-current magnetic field which is attenuated to a median thereof in a median attenuating time of at least 0.1 second.

REFERENCES:
patent: 4316119 (1982-02-01), Cooper
patent: 5287242 (1994-02-01), Kamimura
patent: 5475283 (1995-12-01), Yoshida
patent: 5696565 (1997-12-01), Shintani et al.
"Resonant Degaussing For TV And High Definition Color Monitors", 8087 IEEE Transactions on Consumer Electronics CE-32 (1986) Nov., No. 4, New York, NY USA.

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