Experimental Bone and Tissue Vibrator Assembly

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Report Number: AMRL TR 65-11
Author(s): Benson, Robert W.
Corporate Author(s): Robert W. Benson & Associates, Inc.
Laboratory: Biophysics Laboratory
Date of Publication: 1965-04
Pages: 30
Contract: AF 33(657)-11335
DoD Project: 7231
DoD Task: 723103
Identifier: AD0615916

A special purpose laboratory vibrator has been developed for use in experimental investigations of hearing by bone and tissue conduction and of mechanical driving point impedance of tissue and bone. The vibrator assembly is floated on an air bearing to provide resonance-free operation over the frequency range of 100 10,000 cps and at intensity levels of 60 decibels above threshold of hearing. Special sensors within the unit provide measurement of the tip velocity of the alternating pressure transmitted by the head and the force due to an external load. Design features and calibration procedures are discussed in this report.

Provenance: RAF Centre of Aviation Medicine

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