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Aloha
on Nov 14, 2024
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The First Virtual Meeting Was in 1916
Bear in mind, before this there was a mechanical repeater as well, which was a transmitter and receiver which were mechanically coupled.
A carbon mic is somewhat self-exciting and does provide an amplification factor.
camtarn
on Nov 14, 2024
[–]
Aha! For some reason I had it in my mind that early telephones were moving coil type, and the carbon mic came along later. You're absolutely correct - thanks for setting me right.
Aloha
on Nov 14, 2024
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Its really an ingenious device, I've wanted to build one, just because I'm a phone nerd, think its cool.
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A carbon mic is somewhat self-exciting and does provide an amplification factor.