Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent
1989-12-11
1991-06-04
Fuller, Benjamin R.
Acoustics
Anatomic or prosthetic relation
Ear and mouth
181129, G10K 1128
Patent
active
050206290
ABSTRACT:
A listening enhancement device in which a flat body (18) with a ear-hook (14) cutout can be converted to a sound gathering acoustical scoop by engagement of a fastener system located on the body (18) of the device. Once fastened into its functional shape the device can be independently engaged wtih the ear. The device is made in mirror image pairs so one device is specifically for the left ear and the other for the right. The device is reversible as to which side of the body (18) forms the sound gathering acoustic scoop. When reversed the device that is specific to the left ear becomes specific to the right ear and visa versa. Each side of the body (18) of the device has its own acoustic properties. By reversing the device the user can choose which acoustic properties most benefit them. The device is adjustable in acoustic gain. This is accomplished by different fastener engagement positions, which in turn change the size and shape of the sound gathering acoustic scoop. The body (18) is soft and flexible, providing resistance to damage and reducing discomfort and skin irritation to the user. The body (18) has acoustic properties that preserve a natural spectral balance, being free of colorations or resonances in the audio spectrum.
REFERENCES:
patent: 1820107 (1931-08-01), Agee
patent: 3938616 (1976-02-01), Brownfield
patent: 4574912 (1986-03-01), Fuss et al.
patent: 4771859 (1988-09-01), Breland
Edmundson Paul G.
Merritt Terry
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