microphone diaphragm

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

• diaphragm — [dī′ə fram΄] n. [ME diafragma < LL diaphragma < Gr < dia , through + phragma, a fence < phrassein, to enclose] 1. the partition of muscles and tendons between the chest cavity and the abdominal cavity; midriff: see LUNG 2. a) any… …   English World dictionary

• microphone — /muy kreuh fohn /, n. an instrument capable of transforming sound waves into changes in electric currents or voltage, used in recording or transmitting sound. [1875 80; MICRO , in sense enlarging (extracted from MICROSCOPE) + PHONE] * * * Device… …   Universalium

• diaphragm — /duy euh fram /, n. 1. Anat. a. a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity. b. the partition separating the thoracic cavity from the abdominal cavity in mammals. 2. Physical Chem. a. a porous plate… …   Universalium

• diaphragm — di•a•phragm [[t]ˈdaɪ əˌfræm[/t]] n. 1) anat. a wall of muscle and connective tissue separating two cavities, esp. the partition separating the thoracic cavity from the abdominal cavity in mammals 2) chem. a) a porous plate separating two liquids… …   From formal English to slang

• diaphragm — noun Etymology: Middle English diafragma, from Late Latin diaphragma, from Greek, from diaphrassein to barricade, from dia + phrassein to enclose Date: 14th century 1. a body partition of muscle and connective tissue; specifically the partition… …   New Collegiate Dictionary

• diaphragm — /ˈdaɪəfræm / (say duyuhfram) noun 1. Anatomy a. a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity. b. the partition separating the thoracic cavity from the abdominal cavity in mammals. 2. Physical Chemistry,… …  

• diaphragm — TV The vibrating element in a microphone that responds to the compressed air molecules of sound waves …   Audio and video glossary

• 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

• Carbon microphone — The carbon microphone, also known as a carbon button microphone (or sometimes just a button microphone) or a carbon transmitter, is a sound to electrical signal transducer consisting of two metal plates separated by granules of carbon. One plate… …   Wikipedia

• Electromagnetic Diaphragm — An electromagnetic diaphragm is a form of capacitive sensor used on an electronic stethoscope. The diaphragm is coated with a conductive material. Behind the diaphragm, a conductive plate is positioned behind and parallel to the diaphragm, so… …   Wikipedia