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may 19, 1927 - Ларингофон
Description:
Разновидность микрофона, использующее механические крлебания кожи в области гортани, возникающие при разговоре, для преобразования в электрический радиосигнал.
Added to timeline:
История создания микрофона
By
Юля Мухамеджанова
23 Oct 2018
0
0
403
Date:
may 19, 1927
Now
~ 98 years ago
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