Stethoscope with improved resonant cavity amplification

Details Stethoscope with improved resonant cavity amplification Stethoscope with improved resonant cavity amplification

1981-10-06

1983-06-14

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181137, A61B 702, H04R 2500

Patent

active

043877842

ABSTRACT:
One or more resonant cavities are selectively connected to the main sound passage of a stethoscope in order to selectively amplify frequency ranges of interest. The amplified frequency range is controlled by positioning a vent in a side wall of the resonant cavity a particular distance from the pick-up head. An improved sound pick-up head probe structure is rugged and allows extending the length of the probe when desired.

REFERENCES:
patent: 2389868 (1945-11-01), Olson
patent: 3185251 (1965-05-01), Dudler
patent: 3314499 (1967-04-01), Blackman
patent: 4270627 (1981-06-01), Hill

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