Groove ring for toroidal-coil deflection unit

Details Groove ring for toroidal-coil deflection unit Groove ring for toroidal-coil deflection unit

1976-04-14

1978-03-28

Pellinen, A. D.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Electron or ion beam deflecting type

336208, H01F 4108

Patent

active

040817733

ABSTRACT:
For the toroidal coils of the deflection units for color TV picture tubes, groove rings are used which serve to hold the wires of the toroidal coil in place and to advance the deflection unit during winding. A design of the ridges of these groove rings is described which is more rugged than the known design and thus permits the winding speed to be doubled without the ridges breaking out.

REFERENCES:
patent: 3601731 (1971-08-01), Christiana et al.
patent: 3688156 (1972-08-01), Utsunomiya et al.
patent: 3859719 (1975-01-01), Gostyn et al.
patent: 3947793 (1976-03-01), Thompson
patent: 3980242 (1976-09-01), Schmidt

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