Apparatus for shielding unnecessary electromagnetic waves in a m

Automotive lamp device with electromagnetic shielding

Cancellation coil arrangement for reducing stray magnetic field

Cathode ray tube

Cathode ray tube and degaussing coil employed therein

Cathode-ray tube having degaussing coils with flat portions on a

Display device and method of manufacturing the same

Electric lamp

Electrode protecting means for electric discharge lamps

Electrodeless fluorescent lamp having an insulative housing arra

Electromagnetic wave shielding device for deflection yoke

Electromagnetic-wave shielding and light transmitting plate and

Electron tube grounding device of image display unit

Hermetically-sealed electrically-absorptive low-pass radio frequ