Other Definitions
transducer (dict)

Transducer

List of transducers

• Electrochemical:
• battery
• fuel cell
• pH probe
• Rechargeable battery
• Electromechanical:
• actuator
• circuit breaker
• dynamo
• Electroactive polymers
• galvanometer
• MEMS
• motor, linear motor
• piezoelectric
• quartz
• relay
• servomechanism
• strain gauge used in weight/force measuring.
• switch
• Electroacoustic:
• gramophone pick-up
• hydrophone - converts changes in water pressure into an electrical form
• loudspeaker, earphone - converts changes in electrical signals into acoustic form
• microphone - converts changes in air pressure into an electrical signal
• piezoelectric crystal - converts pressure changes into electrical form
• Photoelectric:
• Laser diode, light-emitting diode - convert electrical power into forms of light
• photodiode, phototransistor - converts changing light levels into electrical form
• solar cell - converts light energy into electrical energy
• Electromagnetic:
• antenna (electronics) - converts airborne RF signals into electrical form
• cathode ray tube (CRT) - converts electrical signals into visual form
• fluorescent lamp, light bulb - converts electrical power into visible light
• magnetic cartridge - converts motion into electrical form
• photocell or light-dependent resistor (LDR) - converts changes in light levels into resistance changes
• reed switch - converts a strong magnetic field into a switch activation
• tape head - converts changing magnetic fields into electrical form
• Magnetic:
• Hall effect sensor - converts a magnetic field level into electrical form
• Electrostatic:
• electrometer
• liquid crystal display (LCD)
• Thermoelectric:
• thermocouple
• Peltier cooler
• thermistor (includes PTC resistor and NTC resistor)
• Other:
• Geiger-Mller tube used for measuring radioactivity.
• Electronic. These components change one electrical parameter in response to another. By some definitions these are electronic components, not transducers.
• diode
• gyrator
• varicap diode, varactor diode, tuning diode
• negative impedance converter, NIC
• Schottky diode
• transistor, Field effect transistor (FET)
• Transorb
• tunneling diode
• varistor
• voltage-dependent resistor
• Zener diode
• Electrical. These components change one electrical parameter in response to another. By some definitions these are passive electronic components, not transducers.
• capacitor
• inductor
• transformer
• resistor
• Mechanical.
• gear

Sources/references

External links

• whatis: transducer
• Federal Standard 1037C, August 7, 1996: transducer
• American National Standard for Telecommunications - Telecom Glossary 2000: transducer

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