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An electret (formed as a portmanteau of electr- from "electricity" and -et from "magnet") is a dielectric material that has a quasi-permanent electrical...12 KB (1,353 words) - 14:19, 4 April 2024
electret microphone is a microphone whose diaphragm forms a capacitor (historically-termed a condenser) that incorporates an electret. The electret's...7 KB (683 words) - 06:02, 17 May 2024
Piezoelectricity (redirect from Piezoelecric transducer)instead of migrating to the electron-accepting ZnO layer. Charge amplifier Electret Electronic component Electrostriction Flexoelectricity Magnetostriction...85 KB (9,463 words) - 19:50, 16 August 2024
Microphone (section Electret condenser)A microphone, colloquially called a mic (/maɪk/), or mike, is a transducer that converts sound into an electrical signal. Microphones are used in many...83 KB (10,079 words) - 20:47, 27 September 2024
elected a member of the National Academy of Engineering in 1998 for "electret transducers and their applications to microphones" and was also inducted into...15 KB (1,376 words) - 00:02, 26 September 2024
Headphones (category Transducers)worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones...71 KB (8,474 words) - 18:49, 2 October 2024
condenser microphones also use phantom power for polarizing the microphone's transducer element. Phantom powering was first used for landline copper wire-based...19 KB (2,470 words) - 20:26, 4 September 2024
Pickup (music technology) (section Other transducers)A pickup is a transducer that captures or senses mechanical vibrations produced by musical instruments, particularly stringed instruments such as the electric...28 KB (3,180 words) - 15:24, 12 September 2024
can also be stand-alone devices. The integrated preamplifier in a foil electret microphone. The first stages of an instrument amplifier, which is then...4 KB (486 words) - 17:45, 13 September 2024- ISSN 1439-4235. PMID 15887192. Bauer, S. (2006). "Piezo-, pyro- and ferro-electrets: Soft transducer materials for electromechanical energy conversion". IEEE Transactions...6 KB (716 words) - 19:12, 8 December 2023
versions released from 1993 to 2012) C4000B - a dual‑diaphragm multi‑pattern electret microphone SolidTube - (discontinued) A large-diaphragm microphone, cardioid...19 KB (1,833 words) - 16:31, 11 April 2024- Prof. Dr. Dr. Gerhard Sessler for the design of electret transducers, the invention of the foil electret microphone (together with James West) and of the...8 KB (890 words) - 01:07, 4 March 2024
- Editor-in-Chief of the Society" 2006 James West "For development of polymer electret transducers, and for leadership in acoustics and the Society" 2007 Katherine...15 KB (241 words) - 22:14, 1 October 2023
- Universität Darmstadt. Together with James E. West, he invented the foil electret microphone at Bell Laboratories in 1962 and together with Dietmar Hohm...8 KB (751 words) - 00:09, 2 May 2024
Ferroelectric polymer (section Transducers)polymers, such as polyvinylidene fluoride (PVDF), are used in acoustic transducers and electromechanical actuators because of their inherent piezoelectric...17 KB (2,029 words) - 05:13, 24 June 2024- aeroacoustics. 1995 – James E. West – for developing and optimizing polymer electret transducers. 1998 – Richard H. Lyon – for contributions to noise reduction and...38 KB (4,038 words) - 06:37, 27 May 2024
comprises an electret condenser microphone PCB Model 377M06, having a 3-inch membrane diameter, and a small, compact windscreen. Electret-based technology...51 KB (5,433 words) - 20:30, 6 October 2024
Magnetostatic loudspeaker The theory of electrostatic forces in a thin electret (MEMS) speaker Eino Jakku, Taisto Tinttunen and Terho Kutilainen, proceedings...21 KB (2,864 words) - 08:16, 29 June 2024
diaphragm driven by an electromagnetic voice coil, sending off pressure waves. Electret microphones and condenser microphones employ electrostatics—as the sound...40 KB (4,286 words) - 02:39, 16 September 2024
current generated by the flow of a non-corrosive ionic fluid through an electret sponge or a conductive fluid through a magnetic field. Seismometers spaced...44 KB (5,546 words) - 03:03, 10 September 2024
- today - dynamic microphones and condenser microphones. Piezoelectric transducers can also be used as microphones but they are not commonly used in the