Methods and Devices for Electromagnetically Tuning Acoustic Media

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Patent relating to methods and devices for electromagnetically tuning acoustic media.

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24 p. : ill.

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Neogi, Arup & Walker, Ezekiel June 10, 2014.

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This patent is part of the collection entitled: UNT Scholarly Works and was provided by UNT College of Arts and Sciences to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 49 times . More information about this patent can be viewed below.

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Description

Patent relating to methods and devices for electromagnetically tuning acoustic media.

Physical Description

24 p. : ill.

Notes

Abstract: An acoustic material can be electromagnetically tuned to produce alterations in its acoustical properties without physical contact. The acoustic material should contain a periodic structure and a medium that has acousto-elastical properties that can be altered through the application of electromagnetic radiation. Changes in volumetric properties such as density result in changes to the velocity at which sound passes through the material. The acoustic material can be a phononic crystal that undergoes a change in its acoustic bandgap after being subjected to electromagnetic radiation. This electromagnetic tuning ability results in the ability to change the acoustic properties of various phononic devices without physical contact.

Prior Publication Data: US 2013/0112496 A1, May 9, 2013.

Related U.S. Application Data: Provisional application number 61/481520, filed on May 2, 2011.

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UNT Scholarly Works

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Submitted Date

  • May 2, 2012

Accepted Date

  • June 10, 2014

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  • June 10, 2014

Added to The UNT Digital Library

  • July 18, 2014, 11:30 a.m.

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Neogi, Arup & Walker, Ezekiel. Methods and Devices for Electromagnetically Tuning Acoustic Media, patent, June 10, 2014; [Washington, D.C.]. (digital.library.unt.edu/ark:/67531/metadc307081/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.