In addtion, piezoelectricity finds a home inside quartz watches as well, which is what keeps them so precise. They sat inside the ringer and helped to generate a noticeable noise to alert people to incoming calls. Small piezo transducers were also mostly present in landline phones. An early application of piezo transducer technology occurred during World War I with the use of sonar, which used echoes to detect the presence of enemy ships. The word "piezoelectric" literally means electricity caused by pressure. Piezoelectric transducers are a type of electroacoustic transducer that convert the electrical charges produced by some forms of solid materials into energy. > Shop Air Transducers || Shop Ultrasonic Transducers << Other types of electroacoustic (involving a conversion between electrical energy and sound)transducers include hydrophones, which convert changes in water pressure to an electrical output, and pickups on musical instruments such as guitars, which convert the vibration of the instrument's strings into an electrical impulse. A common example is a microphone, which converts the input energy - or the sound waves produced by a voice or instrument - to output energy, or the electrical impulses in the form of amplified sound. There are many types of transducers and the uses of transducers are widespread, impacting us in many ways. For transduction to occur, a change from one form of energy must also take place, such as a conversion from mechanical to electrical energy or vice versa.
A transducer is any device used to convert energy from one form to another - typically when converting input energy into output energy.
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