Radio frequency hearing: electrostrictive detection and bone conduction |
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| Authors: | WR Bennett |
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| Affiliation: | Department of Applied Physics, Yale University, New Haven, Connecticut 06520-8284, USA. |
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| Abstract: | A hearing aid patented by C. R. Schafer and supposedly based on detection of an amplitude-modulated carrier wave in the auditory cortex was re-examined. It is shown here that the hearing aid actually works by bone conduction of sound. It is concluded that detection of the modulation signal occurs by electrical nonlinearities and electrostriction in the bones of the face and skull. |
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