An all-electronic television system uses special types of cathode-ray tubes as camera tubes and as display tubes at the transmitting and receiving ends of the system respectively. The manufacture of these tubes could only be accomplished after much research and development activity had been expended on thermionic and secondary emission of electrons, electron optics, photosensitive and fluorescent materials, and vacuum practice.

Inspec keywords: history; television

Other keywords: fluorescent materials; electronic camera tubes; display tubes; electron optics; cathode-ray tubes; all-electronic television system; photosensitive materials

Subjects: Other general electrical engineering topics