Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type
Patent
1980-08-28
1982-02-16
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Electron or ion beam deflecting type
335210, H01H 100
Patent
active
043161669
ABSTRACT:
A self-converging deflection yoke for use with a color television kinescope provides both coma and side pincushion distortion correction through the use of double bias vertical deflection coils. The vertical coils are toroidally wound about a magnetically permeable core. A winding frame insert located within the interior of the core allows the coils to follow the desired double bias or diamond configuration. The core insert comprises a ring-shaped base adjacent to the core. Removable wire guide members are spaced away from the base to form channels between the guide members and the base. These channels receive the wires during windings and act to define the shape of the coils. After the coils are wound, the guide members are removed, allowing the yoke to be assembled.
REFERENCES:
patent: 4023129 (1977-05-01), Kratz et al.
patent: 4117432 (1978-09-01), Shizu et al.
patent: 4128824 (1978-12-01), Mirsch
patent: 4228413 (1980-10-01), Campbell
McGlashan Kenneth W.
Simmons George A.
Harris George
Rasmussen P. J.
RCA Corporation
Stevens S. J.
Whitacre E. M.
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