Combined linearity and side pincushion correction arrangement

Details Combined linearity and side pincushion correction arrangement Combined linearity and side pincushion correction arrangement

1979-04-23

1980-11-18

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315400, H01J 2970

Patent

active

042348242

ABSTRACT:
A linearity inductance and a side pincushion correction inductance are wound on outer leg core portions of a single E-core. A magnet biases the linearity inductance core portion for saturating that portion each horizontal deflection cycle for producing a linearity corrected horizontal deflection current. A high reluctance path for flux mutually linking both the linearity and side pincushion correction windings is provided by the E-core configuration. The portion of the flux generated by the side pincushion correction winding that does flow in the linearity winding core portion compensates for undesirable vertical rate changes in the magnetic bias of the linearity winding core portion.

REFERENCES:
patent: 3346765 (1967-10-01), Barkow
patent: 3427497 (1969-02-01), Gostyn
patent: 3732458 (1973-05-01), Wolber
patent: 3968402 (1976-07-01), Sahara et al.
patent: 4024432 (1977-05-01), Boekhorst

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