Side pin-cushion distortion correction circuit

Details Side pin-cushion distortion correction circuit Side pin-cushion distortion correction circuit

Filed on

1975-09-29

Date issued

1977-04-26

Examiner

Wilbur, Maynard R.

Patent Class

Electric lamp and discharge devices: systems

SubClass

Cathode ray tube circuits

SubSubClass

Cathode-ray deflections circuits

Other Related Categories

315400, H01J 2956

Type

Patent

Status

active

Patent number

040203905

Description

ABSTRACT:
Side pin-cushion distortion in the display system of a television receiver is corrected by circuitry which includes an "E" core saturable reactor having equal air gaps in a pair of outer legs and an ungapped center leg with a control winding fed by a vertical scan signal source affixed to the central leg and impedance windings fed by a horizontal scan signal source affixed to the outer legs whereby the inductance level of the outer legs is reduced while the change in inductance due to current changes in the control winding remains substantially constant.

REFERENCES:
patent: 3329859 (1967-07-01), Lemke
patent: 3329862 (1967-07-01), Lemke
patent: 3401300 (1968-09-01), Pichler
patent: 3408535 (1968-10-01), Lemke
patent: 3433998 (1969-03-01), Wolber
patent: 3854108 (1974-12-01), Horie et al.

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