A microphone in which deformation of a piezoelectric bar by the action of sound waves or mechanical vibrations generates the output voltage between the faces of the bar. Also known as piezoelectric microphone.
Related Terms |
COMPRESSOR
A device which converts mechanical force and motion into pneumatic flow power.
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ALTERNATOR
A device which converts mechanical energy, into alternating current.
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ACOUSTIC
A term pertaining to sound, or the science of sound.
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AMBIENT NOISE
The normal sound in a room or other location.
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ADIABATIC EFFICIENCY
The ratio of actual work output of a heat engine to the ideal output.
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AIRBORNE SOUND
Sound which reaches the point of interest by radiation through the air.
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BRINELLING
Permanent deformation of the bearing surfaces where the rollers (or balls) contact the races. Brinelling results from excessive load or impact on stationary bearings. It is a form of mechanical damage in which metal is displaced or upset without attrition.
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PUMP
A device which converts mechanical force and motion into hydraulic fluid power.
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FILTRATION
The physical or mechanical process of separating insoluble particulate matter from a fluid, such as air or liquid, by passing the fluid through a filter medium that will not allow the particulates to pass through it.
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BIAS
The output plus (or minus) some arbitrary value.
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