Innovation and the Communications Revolution: From the Victorian Pioneers to Broadband InternetThis book describes the stage-by-stage creation and development, from the mid-nineteenth century to the present day, of the remarkable global communications technologies that have profoundly transformed the way that people live and work. |
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achieved aerial amplifier awarded bandwidth Bell Laboratories Bell System British Post Office British Telecom cable systems carrier carrier wave channels Chapter coaxial cable communication satellites conferencing customers databanks demonstrated devices Dollis Hill early economic Electrical Engineers electromagnetic electronic switching enabled equipment exchange switching experimental facsimile field trial Figure frequency frequency modulation glass ground station information technology innovation inter-city Internet invention ISDN London magnetic manufacturing Marconi Marconi Company Mbit/sec microchip microns microwave microwave radio-relay systems millimetric mobile mode modulation multiplex operating optical fibre cable optical fibre systems orbit patents picture pioneering possible pulse-code modulation radio receiver satellite communication semi-conductor short-wave signals spectrum submarine cable switching systems techniques tele-conferencing telecommunication telegraph telephone circuits Telstar thermionic valve trans-Atlantic transistor transmission transmitted trunk tube users Viewdata wave waveguide wavelength wire Wireless world-wide