transducer

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transducer,

device that accepts an input of energyenergy,
in physics, the ability or capacity to do work or to produce change. Forms of energy include heat, light, sound, electricity, and chemical energy. Energy and work are measured in the same units—foot-pounds, joules, ergs, or some other, depending on the system of
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 in one form and produces an output of energy in some other form, with a known, fixed relationship between the input and output. One widely used class of transducers consists of devices that produce an electric output signal, e.g., microphonesmicrophone,
device for converting sound into electrical energy, used in radio broadcasting, recording, and sound amplifying systems. Its basic component is a diaphragm that responds to the pressure or particle velocity of sound waves.
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 and photoelectric cellsphotoelectric cell
or photocell,
device whose electrical characteristics (e.g., current, voltage, or resistance) vary when light is incident upon it. The most common type consists of two electrodes separated by a light-sensitive semiconductor material.
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. Other widely used transducers accept an electric input, e.g., loudspeakersloudspeaker
or speaker,
device used to convert electrical energy into sound. It consists essentially of a thin flexible sheet called a diaphragm that is made to vibrate by an electric signal from an amplifier.
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, light bulbs, and solenoids. The term transducer is sometimes applied to devices producing an output in the same form as their input, e.g., transformers and filters.

transducer

[tranz′dü·sər]
(engineering)
Any device or element which converts an input signal into an output signal of a different form; examples include the microphone, phonograph pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer.

transducer

A device which converts power in one kind of system to power in another form, e.g., a loudspeaker which converts electric power to acoustic power.

transducer

any device, such as a microphone or electric motor, that converts one form of energy into another

transducer

(1)
A device for converting sound, temperature, pressure, light or other signals to or from an electronic signal.

transducer

(2)

transducer

A device that converts one energy into another. There are myriad types of transducers; for example, a read/write head converts magnetic energy into electrical energy and vice versa. A loudspeaker converts electronic signals into air pressure, and a microphone does the reverse. An antenna converts electronic signals into electromagnetic waves and vice versa.
References in periodicals archive ?
In the hydrozoans Hydractinia echinata (Moller, 1985; Leitz and Moller, 1987; Leitz and Klingmann, 1990; Schneider and Leitz, 1994) and Mitrocornella polydiademata (Freeman and Ridgway, 1990), the phosphatidylinositol/diacylglycerol/protein kinase C (PI/DAG/PKC) pathway transduces the metamorphic signal provided by bacterial cues.
The gene can transduce muscle cells to make coagulation Factor IX without causing an immunologic reaction, she said, but high doses of the gene are needed to produce meaningful amounts of the protein in every patient.
Localized plasmon resonances "focus" optical fields below the diffraction limit of light and present a powerful new method to optically transduce the vibrational motion of nanomechanical structures.
Research during the past thirty years has defined different molecular mechanisms by which plants perceive environmental signals and transduce this information into changes in gene expression and other cellular processes, ultimately triggering the appropriate adaptive responses.
In this system, we will explore unprecedented opportunities to transduce, entangle and amplify microwave and optical modes through a mechanical device.
Tender notice number : NH/SewaII/Proc/PR 18/Elect Meters Transduce
Understanding the mechanisms cells use to sense and transduce mechanical signals, as well as the contribution of key players in the process is a pressing, unmet challenge.