Deflection coil system for a picture display tube

Details Deflection coil system for a picture display tube Deflection coil system for a picture display tube

1984-12-06

1986-09-16

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

335213, H01F 700

Patent

active

046125248

ABSTRACT:
The deflection coil system (7) comprises a synthetic resin support (9) which on its outside is surrounded by an annular ferromagnetic core (19) having toroidal deflection coils (21). On the rear portion (11) of the support (9) outwardly directed resilient members (23) which extend approximately perpendicularly to the axis (25) of the support are formed having on their forwardly directed side a face (27) which is inclined with respect to said axis. The faces (27) engage the rear side of the core (19) so that each member (23) on the core on the one hand exerts a radially outwardly directed force (29) centering the core with respect to the axis (25) and on the other hand an axially forwardly directed force (31) urging the core against an abutment (33) on the front of the support (9). Separate components for positioning the core (9) are hence not necessary. If desired the core (19) after assembly may be permanently connected to the support (9) by means of a few drops of adhesive (35).

REFERENCES:
patent: 4338584 (1982-07-01), Howard

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