ceramic microphone

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• Contact microphone — Metal disks with piezo material, used in buzzers or as contact microphones A contact microphone, otherwise known as a pickup or a piezo, is a form of microphone designed to sense audio vibrations through solid objects. Unlike normal air… …   Wikipedia

• Microphonics — (also called microphony) describes the phenomenon where certain components in electronic devices transform mechanical vibrations into an undesired electrical signal (noise). The term is derived by analogy to microphones where that behavior is… …   Wikipedia

• керамический микрофон — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN ceramic microphone …   Справочник технического переводчика

• Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response …   Wikipedia

• Magnet — This article is about objects and devices that produce magnetic fields. For a description of magnetic materials, see magnetism. For other uses, see Magnet (disambiguation) …   Wikipedia

• capacitor dielectric and piezoelectric ceramics — ▪ ceramics Introduction       advanced industrial materials that, by virtue of their poor electrical conductivity, are useful in the production of electrical storage or generating devices.       Capacitors (capacitor) are devices that store… …   Universalium

• Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …   Wikipedia

• Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …   Wikipedia

• PlayStation Portable — Infobox CVG system title = PSP (PlayStation Portable) manufacturer = Sony Computer Entertainment family = PlayStation type = Handheld game console generation = Seventh generation era lifespan = vgrelease|JP=December 12, 2004vgrelease|NA=March 24 …   Wikipedia

• Variable capacitor — Rotary variable capacitor A variable capacitor (also known as a variable air condenser ) is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C… …   Wikipedia

• Citizens' band radio — Typical 1980s CB base station, used with outdoor antenna. This radio may also be used in an automobile, since it is powered by 13.8V DC. Shown with Astatic Power D 104 desk mic …   Wikipedia