Projection TV deflection loss protection circuit

Details Projection TV deflection loss protection circuit Projection TV deflection loss protection circuit

1984-05-10

1987-02-10

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315384, H01J 2952

Patent

active

046425322

ABSTRACT:
A cathode ray tube protection circuit for a projection TV generates a signal which may be used to blank the tubes in response to a loss or reduction in beam deflection. Signals representative of vertical and horizontal deflection currents are provided. A reference signal is combined with the deflection representative signals to provide a signal having a predetermined amplitude. If the deflection current changes in any of the deflection yokes, the combined signal will change in amplitude. This change in amplitude is detected and used to generate a disabling or blanking signal for the kine driver circuits.

REFERENCES:
patent: 3810024 (1974-06-01), Meacham
patent: 3963961 (1976-06-01), Ray et al.
patent: 4198661 (1980-04-01), Gatten et al.
patent: 4297619 (1981-10-01), Kiteley
patent: 4404500 (1983-09-01), Stow
patent: 4521720 (1985-06-01), Griffey

Affiliated with

Also associated with

Rating

Projection TV deflection loss protection 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 Projection TV deflection loss protection circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection TV deflection loss protection circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2364609