CATHODE-RAY TUBE FOR PROJECTION TELEVISION INCLUDING A TRANSPARENT OPTICAL COUPLER MADE OF SOLID RUBBER

摘要

AbstractThe surface of an optical coupler in contactwith the display screen of a cathode-ray tube is solidrubber and the other surface in contact with the surfaceof a projection lens is solid rubber. This device pro-vides a cathode-ray tube device for projection televisionThe preferred solid rubber is silicone rubber.