Method and apparatus for making comparative acoustic measurement

Details Method and apparatus for making comparative acoustic measurement Method and apparatus for making comparative acoustic measurement

1987-04-09

1988-12-20

Levy, Stewart J.

Measuring and testing

Inspecting

H04R 2900

Patent

active

047918195

ABSTRACT:
A single opto-plastic 7 is provided which can be inserted into the auditory passage of an ear which is to be serviced and has an outside contour which matches the auditory passage and includes a hollow interior 6 which communicates with the outside through a sound passage 9. The hollow interior 6 is shaped so that it can receive an in the ear hearing aid 3 or a coupling (4, 5) for a behind the ear hearing aid, thus allowing either of the units to be quickly connected to the opto-plastic ear piece 7 so that comparative measurements can be made by the patient.

REFERENCES:
patent: 2112569 (1938-03-01), Lybarger
patent: 3157245 (1964-11-01), Bernstein
patent: 3170046 (1965-02-01), Leale
patent: 3408461 (1968-10-01), Langford
patent: 4311206 (1982-01-01), Johnson
patent: 4375016 (1983-02-01), Harada
patent: 4392547 (1983-07-01), Baker
patent: 4617429 (1986-10-01), Bellafiore

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