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When was the electret microphone invented?
The electret microphone was invented in the 1960s. It was developed by James West and Gerhard Sessler at Bell Labs in 1962. This innovative microphone uses an electret material to maintain a permanent electric charge, allowing for high sensitivity and compact design, which has made it widely used in various applications today.
How does an electret microphone work?
The electret microphone is based on the electret capacitor, which is a special capacitor with quasi-permanent charge. Vibrations in the air are picked up by the capacitor, which generates an equivalent vibrating electrical signal. Unlike a traditional condensor (another name for capacitor) microphone, the electret does not require a power source.
Where can one purchase a Sony ECM DS70P Electret Condenser stereo microphone?
One can purchase a Sony ECM DS70P Electret Condenser stereo microphone from the Sony store for $74.99. However, one can try to get microphone for a cheaper price on Amazon or eBay.
Is a electret microphone a transducer?
yes, it transduces sound waves to voltage variations
What battery does the Sony electret condenser microphone ecm 150 use?
Energizer EPX76
Who is James E West?
The inventor of the —foil electret microphone with Gerhard Sessler in 1964 in the Bell Lab.
Who invented microphone?
my mom
Who discovered the microphone?
In 1877, German immigrant, Emile Berliner invented the microphone.
Who invented the computer microphone?
retyu
Where was the first carbon microphone invented?
David Edward Hughes invented the carbon microphone. He lived from 1831-1900, and lived in London, England.
Who invented the scanner and computer microphone?
1659
Who invented the condenser microphone?
E.C. Went
