Deflection circuit with linearity correction

Details Deflection circuit with linearity correction Deflection circuit with linearity correction

1981-09-21

1984-04-03

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315411, 315408, H01J 2956

Patent

active

044410581

ABSTRACT:
An inverter coupled to a source of DC input voltage is operated at the horizontal deflection frequency for developing a horizontal rate square-wave supply voltage. A power transformer having a first winding excited by the square-wave supply voltage develops a horizontal rate alternating polarity output voltage across a linearity correction winding. A phase control circuit phases the alternating polarity output voltage relative to the phasing of the horizontal scanning current so as to apply a greater magnitude voltage across the horizontal deflection winding during the last half of the trace interval of each deflection cycle than during the first half of the trace interval. In this manner, linearity correction of the horizontal scanning current is obtained. The linearity correction winding is electrically disconnected from the circuit during the horizontal retrace interval in order to control the amount of power introduced into the deflection circuit via the linearity correction winding.

REFERENCES:
patent: 3192433 (1965-06-01), Schneider
patent: 3434001 (1969-03-01), Okuda
patent: 3796911 (1974-03-01), Ensor et al.
patent: 3891800 (1975-06-01), Janssen et al.
patent: 4024432 (1977-05-01), Boekhorst
patent: 4321511 (1982-03-01), Willis
patent: 4362974 (1982-12-01), Dietz

Affiliated with

Also associated with

Rating

Deflection circuit with linearity correction does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Deflection circuit with linearity correction, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Deflection circuit with linearity correction will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-669261