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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.
First patent on foil electret microphone by G. M. Sessler and J. E. West (pages 1 to 3) West was born on February 10, 1931, in Farmville, Prince Edward County, Virginia as the elder of two children to Samuel Edward and Matilda West. He was born in his maternal grandfather's house because the local hospital would not admit Black people.
First patent on foil electret microphone by G. M. Sessler et al. (pages 1 to 3) An electret microphone is a type of condenser microphone invented by Gerhard Sessler and Jim West at Bell laboratories in 1962. [24] The externally applied charge used for a conventional condenser microphone is replaced by a permanent charge in an electret material.
The microphone that Cardi B recently threw at a concertgoer in Las Vegas is now up for auction on EBay.. The flying mic reportedly belongs to an audio production company in Vegas owned by Scott ...
The following is a list of defunct microphone manufacturers with articles. Aiwa; Altec Lansing; American Microphone; Ampex; Astatic; Brush Development Company; Dynaco ...
An electret (formed as a portmanteau of electr-from "electricity" and -et from "magnet") is a dielectric material that has a quasi-permanent electrical polarisation.An electret has internal and external electric fields, and is the electrostatic equivalent of a permanent magnet.
RØDE shotgun microphones are known for their in-built batteries, digital switches, and RF-bias technology, which significantly improves moisture resistance. [50] The NTG5 was the first microphone on the market to utilise circular acoustic perforations on the microphone body in place of the linear slots typically found on shotgun microphones. [51]
Today, AOL remembers a voice that defined the early internet experience: Elwood Edwards, the man behind the classic “You’ve Got Mail” greeting, died on November 5, 2024, at the age of 74.
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