Learn more about Transducer
A transducer is a device, usually electrical, electronic, or electro-mechanical, that converts one type of energy to another for various purposes including measurement or information transfer. In a broader sense, a transducer is sometimes defined as any device that converts a signal from one form to another.
 List of transducers
This list is confined to the narrower definition of the term.
- 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
- Tactile transducer
- 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
- tape head - converts changing magnetic fields into electrical form
- Hall effect sensor - converts a magnetic field level into electrical form
- Geiger-Müller tube used for measuring radioactivity.
 See also
 External links
- whatis: transducer
- Federal Standard 1037C, August 7, 1996: transducer
- American National Standard for Telecommunications - Telecom Glossary 2000: transducerda:Transducer