Display tube including a deflection unit

Details Display tube including a deflection unit Display tube including a deflection unit

1994-04-01

1995-04-04

Tolin, Gerald P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

H01J 2982, H01J 2970

Patent

active

054042046

ABSTRACT:
Display tube including a deflection unit which comprises a coil support (8), a field deflection coil (12), a line deflection coil (11) and a yoke ring (14). Plate-shaped metal field correction elements (15, 15', 15") are arranged between the field deflection coil (12) and the coil support (8), which elements are rigidly secured to the inner surface of the yoke ring by means of a form-filling adhesive which extends between the parts of the field deflection coil. Vibrations of the field correction elements and sound generated by transfer of these vibrations to the coil support are thereby substantially prevented.

REFERENCES:
patent: 4246560 (1981-01-01), Shimizu et al.
patent: 4307363 (1981-12-01), McGlashan
patent: 4357586 (1982-11-01), Barkow et al.
patent: 4386331 (1983-05-01), Kohzuki et al.
patent: 4409578 (1983-10-01), Beelaard et al.
patent: 4823046 (1989-04-01), Sluyterman
patent: 5250876 (1993-10-01), Van Mierlo et al.

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