Surgery – Truss – Pad
Patent
1977-08-10
1979-02-13
Stellar, George G.
Surgery
Truss
Pad
128 2Z, A61B 512
Patent
active
041397304
ABSTRACT:
An audiometric testing technique uses filtered speech bands which are attenuated and presented to a subject at different intensity levels. By producing a plurality of frequency bands of the speech pattern at different frequencies and presenting each of the frequency bands at a different intensity level, an audiogram is obtained.
REFERENCES:
patent: 1586952 (1926-06-01), Knudsen et al.
patent: 1750960 (1930-03-01), Langenbeck et al.
patent: 3784750 (1974-01-01), Stearns et al.
patent: 3848091 (1974-11-01), Stearns et al.
Franklin Richard K.
Stellar George G.
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