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Commercial Picturephone Service went into operation in June 1964. The Picturephone is connected to the switching station by three pairs of wires -- one for transmitting and receiving the audio signals, one for transmitting video signals, and the third for receiving video signals.
Two engineers of Bell Telephone
Laboratories carry on a conversation using the
Picturephone system they helped develop. L. H. Meacham is
using the hands-free Picturephone while watching A. D.
Hall, who is using the handset for the call. (picture
Library >> Technology >> Electrical and Nuclear Engineering >> Telecommunication
This page was last updated on May 31, 2017.