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Inventor: Bethea, III; James W.
Address: Longview, TX
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4201225 |
Method and apparatus for measuring stimulated acoustic reflex latency time |
May 6, 1980 |
| In a hearing test apparatus, a continuous tone of constant frequency is applied to one ear of a patient. A second tone is initiated in an ear of the patient and the resulting response of the intra-aural muscles is detected by measuring the change in ear canal compliance. A clock circuit |
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