A Brief Introduction To The History Of Television(2)

... We may consider this as the beginning of the history of television as we know today. Many theories like the electromagnetic wave theory put forth by scientists then contributed to the idea of transmission of continuous images over wires but there were many hurdles like absence of necessary field for transmission.

The invention of iconoscope, which functioned like a TV camera, in 1923 by Vladimir Zworkin laid the foundations of modern TV technology. It was based on the concept of sending images using cathode ray tubes put forth by Campbell Swinton and Boris Rosing. Since then the history of television has seen efforts being targeted at increasing the image resolution, starting from 30 lines initially.

This screen definition was of poor quality with small details being ignored. Higher and higher definition screens have been produced since 1926 and broadcasting companies began to emerge that could broadcast high quality images.

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