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.
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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

transducer

any device, such as a microphone or electric motor, that converts one form of energy into another
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

transducer

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

transducer

(2)
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

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.
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References in periodicals archive ?
Caption: Figure 1: Ad-Cre-GFP-Baylor transduces supporting cells when injected into mouse cochlear at P0.
The current study describes in detail the biochemical signal transduction cascades that ephrins can transduce into their cell.
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.
AAV vectors containing different AAV capsid serotypes have been reported to transduce certain tissues more efficiently and with different specificity.
Transduce (transduction): referring to the transfer of genetic material from one organism to another by a genetic vector, such as a virus or plasmid (see above).
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.
Although the resulting magnetic field is one-twenty thousandth as strong as a refrigerator magnet, ants appear to perceive the geomagnetic information through a magnetic sensor (the dirt particles), transduce it in a signal to the nervous system and then to the brain."
MYO-101 is a novel gene therapy intended to transduce skeletal and cardiac muscle with a gene that codes for the full-length, native beta-SG protein, the lack of which causes LGMD2E.
The research led by Daniel Lingwood at the Ragon Institute of MGH, MIT and Harvard, will test methods to transduce antibody responses in universal HIV vaccine design.