electret material

См. также в других словарях:

• Electret microphone — An electret microphone is a type of condenser microphone, which eliminates the need for a power supply by using a permanently charged material.An electret is a stable dielectric material with a permanently embedded static electric charge (which,… …   Wikipedia

• Electret — (formed of elektr from electricity and et from magnet ) is a dielectric material that has a quasi permanent electric charge or dipole polarisation. An electret generates internal and external electric fields, and is the electrostatic equivalent… …   Wikipedia

• electret — ELECTRÉT, electreţi, s.m. Material care prezintă polarizaţie electrică permanentă la temperatura ambiantă, fără a fi deformat. – Din fr. électret. Trimis de LauraGellner, 13.09.2007. Sursa: DEX 98  electrét s. m., pl. electréţi Trimis de siveco …   Dicționar Român

• electret — /i lek trit/, n. Elect. a dielectric that possesses a permanent or semipermanent electric polarity, analogous to a permanent magnet. [1880 85; ELECTR(ICITY) + (MAGN)ET] * * * ▪ physics       material that retains its electric polarization after… …   Universalium

• electret — [ɪ lɛktrɪt] noun Physics a permanently polarized piece of dielectric material, analogous to a permanent magnet. Origin C19: blend of electricity and magnet …   English new terms dictionary

• electret microphone — /əlɛktrɛt ˈmaɪkrəfoʊn/ (say uhlektret muykruhfohn) noun a condenser microphone which uses as its power supply an embedded material with a very long lived electric charge …  

• electret — n. Physics a permanently polarized piece of dielectric material, analogous to a permanent magnet. Etymology: ELECTRICITY + MAGNET …   Useful english dictionary

• Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …   Wikipedia

• Headphones — For other uses, see Headphones (disambiguation). Sennheiser HD555 headphones, used in audio production environments …   Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• Micrófono de condensador — Se llama también micrófono electrostático por analogía a la nomenclatura micrófono dinámico para el micrófono de bobina móvil, no obstante en este caso esta terminología no está bien empleada. Micrófono de condensador . La razón, el micrófono… …   Wikipedia Español