Electret microphone (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Electret microphone" in English language version.

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bell-labs.com

Juang, Lynn. "Foil Electret Microphone: Sessler & West (1960)". Bell Labs, Multimedia Communications Research Laboratory. Archived from the original on February 4, 2012. Retrieved 19 January 2009.

Rose, Bruce (2019-01-08). "Comparing MEMS and Electret Condenser (ECM) Microphones". CUI Devices. Archived from the original on 2024-02-07. Retrieved 2024-05-17.

"Patent US3118979: Electrostatic transducer" (PDF). www.freepatentsonline.com. United States Patent Office. Retrieved 12 April 2016.

Rose, Bruce (2019-01-08). "Comparing MEMS and Electret Condenser (ECM) Microphones". CUI Devices. Archived from the original on 2024-02-07. Retrieved 2024-05-17.
Juang, Lynn. "Foil Electret Microphone: Sessler & West (1960)". Bell Labs, Multimedia Communications Research Laboratory. Archived from the original on February 4, 2012. Retrieved 19 January 2009.