The Development of Television and Radio Station Online

The development work at General Electric was led by Ernst Alexanderson. Then, as in earlier times, communication via letters between the different departments within General Electric was usual. In the collection of preserved documentation, which Alexanderson donated to the university library in his home town of Schenectady, there exist parts of the discussions about how to proceed with the development of the new technology. Alexanderson and his co-workers examined new designs, and after tests at the laboratory, a completed television receiver was developed for home use.



The apparatus that was used at this time is entirely different from transmitters and receivers of today. The transmitters and receivers gradually came to have a number of components of pretty much the same kind, such as a strong light source, a lens system, a rotary perforated disk or mirror drum, microphone, amplifiers for sound and picture signal and an antenna system on the transmitting side. On the receiving side, the picture signals were …