Cathode ray tube and degaussing coil employed therein

Details Cathode ray tube and degaussing coil employed therein Cathode ray tube and degaussing coil employed therein

1992-10-09

1994-08-30

Yusko, Donald J.

Electric lamp and discharge devices

With electrical shield or static charge distribution means

315 8, 361149, 361150, H04N 929

Patent

active

053431111

ABSTRACT:
A cathode ray tube having degaussing coils attached to an outer side of a glass vessel of a funnel part of a main body of the cathode ray tube, in which the degaussing coils each include a flattened part, extended along the outer front surface at a front side of a funnel part, a circular part having a circular cross-section and a transition part interconnecting the end parts of the flattened part and the circular part and changed in cross-section shape from a flattened rectangle to a circle. The degaussing coil may has shape flattened partially to reduce the outer size of the cathode ray tube and includes a plastic case for retaining the coil in the flattened shape. The degaussing coil is stabilized in shape and is not deformed during transport while its attachability with respect to the cathode ray tube may be improved.

REFERENCES:
patent: 3571652 (1971-03-01), Shiobara et al.
patent: 4236184 (1980-11-01), Palac et al.
patent: 4940920 (1990-07-01), Giannantonio et al.
patent: 4963789 (1990-10-01), Buhler
patent: 5216326 (1993-01-01), Lundgren

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