In order to eliminate any harmful influence due to electric field radiation on the human body, electric field radiation from a front surface of a cathode ray tube is reduced. A degaussing coil arranged in proximity to a peripheral edge of a front surface of a cathode ray tube is employed advantageously....http://www.google.co.uk/patents/US5260626?utm_source=gb-gplus-sharePatent US5260626 - Apparatus for suppressing field radiation from display device
