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piezoelectric |
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piezoelectricThe property of certain crystals that causes them to produce voltage when a mechanical pressure is applied to them such as sound vibrations. This technique is used to build crystal microphones, phonograph cartridges and strain gauges, all of which turn mechanical movement into voltage. piezoelectric [pē¦ā·zō·ə′lek·trik] (solid-state physics) Having the ability to generate a voltage when mechanical force is applied, or to produce a mechanical force when a voltage is applied, as in a piezoelectric crystal. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Key statement: A tire assembly with integrated power generation features includes piezoelectric devices and power conditioning modules. The device employs the company's piezoelectric bone conduction technology to transmit sound vibration from the skull to the auditory nervous system to enable the hearing impaired and the elderly with difficulty in hearing to effectively communicate via a cellphone. Single-wire connection for piezoelectric cavity-pressure sensors was introduced for small parts last year by Kistler Instrument Co. |
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