Getting connected: a history of modems
Dec 28, 2009, 17:33 (1 Talkback[s])
"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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