Dynamic focus circuit

Details Dynamic focus circuit Dynamic focus circuit

1989-01-23

1990-01-02

Tarcza, Thomas H.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315370, 315411, H01J 2958, H01J 2956, H01J 2970

Patent

active

048915645

ABSTRACT:
A dynamic beam current focussing circuit for providing improved focussing across the screen of a cathode ray video display tube utilizes a tuned voltage step-up transformer to achieve sufficient amplitude of horizontal sweep waveform components of the dynamic focussing voltage. The circuit is useful for high definition television and video display units.

REFERENCES:
patent: 4611151 (1986-09-01), Hoover et al.
patent: 4683405 (1987-07-01), Truskalo et al.

Affiliated with

Also associated with

Rating

Dynamic focus circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1385633