Magnetic cancelling apparatus for color cathode-ray tube

Magnetic field cancellation circuit

Magnetic field compensation apparatus

Magnetic field compensator for a CRT

Magnetic immunity system (MIS) and monitor incorporating the MIS

Magnetic shielding with constant-current coils for CRT

Method and apparatus employing two independent means for nulling

Method and apparatus for correcting image errors caused by resid

Method and apparatus for dynamic magnetic field neutralization

Method and apparatus for dynamic magnetic field neutralization

Method and apparatus for magnetic field suppression using induct

Method for controlling degaussing coil of cathode ray tube

Method for correcting the effect of terrestrial magnetism on ele

Method of adjusting color purity in a television receiver, and t

Method of compensating for the earth's magnetic field in a pictu

Method of degaussing cathode ray tube

Method of, and device for, reducing magnetic stray fields

Monitoring device

Multistable cathode ray type storage display device