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Getting connected: a history of modems

Dec 28, 2009, 17:33 (1 Talkback[s])


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"Their arrival heralded a new age of communications and they played a major role in the explosion of the internet. We're talking, of course, about modems. Here we look back on the development of this remarkable device.

"When the US Air Force needed a convenient way of transmitting hundreds of radar images to command centres during the Cold War in the late 1940s they turned to the telephone system as a solution.

"Fortunately modems, already in action in Teletype since the 1920s, were the perfect tool for taking the digital radar images and converting them into analogue transmissions and then back again so that they could be sent across the network of telephone systems already in place."

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