Meanwhile, the electronic television was first successfully demonstrated in San Francisco in 1927 as well. It was designed by ...

By September of 1927, Farnsworth has successfully used his image dissector to transmit the world’s first electronic television signal — a single thin line scratched into a smoked glass slide.

Before totally electronic TV cameras and receivers were built, the electromechanical "scanning disc" produced the first video images. As far back as 1884, German inventor Paul Nipkow designed such ...