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2. Microcell - Wikipedia

   en.wikipedia.org/wiki/Microcell

   Microcell. A microcell is a cell in a mobile phone network served by a low power cellular base station (tower), covering a limited area such as a mall, a hotel, or a transportation hub. A microcell is usually larger than a picocell, though the distinction is not always clear. A microcell uses power control to limit the radius of its coverage area.

3. Microphone - Wikipedia

   en.wikipedia.org/wiki/Microphone

   Microphone. Shure Brothers microphone, model 55S, multi-impedance "Small Unidyne" dynamic from 1951. A microphone, colloquially called a mic ( / maɪk / ), [1] or mike, [a] is a transducer that converts sound into an electrical signal.

4. Electret microphone - Wikipedia

   en.wikipedia.org/wiki/Electret_microphone

   The output audio signal is received though a DC blocking capacitor. An electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret. The electret's permanent electric dipole provides a constant charge Q on the capacitor. Sound waves move the diaphragm, changing the ...

5. The Microphones - Wikipedia

   en.wikipedia.org/wiki/The_Microphones

   Jenn Kliese. Bronwyn Holm. The Microphones were an American indie folk, indie rock, and experimental project from Olympia, Washington. The project was founded in 1996 and ended in 2003, with a short reunion following in 2007 and revivals in 2019 and 2020. Across every iteration of the Microphones, it has been fronted by Phil Elverum.

6. Carbon microphone - Wikipedia

   en.wikipedia.org/wiki/Carbon_microphone

   The carbon microphone, also known as carbon button microphone, button microphone, or carbon transmitter, is a type of microphone, a transducer that converts sound to an electrical audio signal. It consists of two metal plates separated by granules of carbon. One plate is very thin and faces toward the speaking person, acting as a diaphragm.

7. Phone connector (audio) - Wikipedia

   en.wikipedia.org/wiki/Phone_connector_(audio)

   Phone connector (audio) Phone plug mated in a phone socket. The plug's grooved tip is held firmly by the socket's spring tip contact. When not mated, this spring instead connects to the flat switch contact for detecting a plug. A phone connector is a family of cylindrically -shaped electrical connectors primarily for analog audio signals.