Scanning the image
11.1 A little of the history of television
Television was developed in the mid-1930s, and two very different systems came to the fore: one was based entirely on an electronic platform using Cathode Ray Tube (CRT) technology, this had been developed by the Marconi company, and the other was an amalgam of electronics and mechanical shuttering to divide up the picture, this had been developed in England by John Logie Baird who almost certainly was the first man to transmit a moving picture over the airwaves.
Extraordinarily the Marconi system utilized interlace scanning and Baird’s method used, in effect, progressive scanning. It has taken 70 years for the world to realize that, in this respect, Baird was ahead of his time. ...