Ear-focused acoustic reflector

Details Ear-focused acoustic reflector Ear-focused acoustic reflector

1989-01-31

1991-03-05

Fuller, Benjamin R.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181129, H05R 2500

Patent

active

049970569

ABSTRACT:
An acoustic device for mechanically reflecting sound waves into the ear in an undistorted and directionally selective manner has a pair of movable acoustic reflectors constructed, configured and mounted to preserve accurately phase, frequency and image information in the sound waves of interest to the front of the user, secured to a headband or helmet in positions that place the focal points of the reflectors beyond the base of the lenses within the user's ear.

REFERENCES:
patent: 1621629 (1927-03-01), Dawson
patent: 1708257 (1929-04-01), Campbell
patent: 1820107 (1931-08-01), Agee
patent: 2228024 (1941-01-01), Abrahams
patent: 2537201 (1951-01-01), Amfitheatrof
patent: 2732907 (1956-01-01), Leon
patent: 3723962 (1973-03-01), Hotchner
patent: 3938616 (1976-02-01), Brownfield
patent: 3943925 (1976-03-01), Leight
patent: 4574912 (1986-03-01), Fuss et al.
patent: 4768613 (1988-09-01), Brown
patent: 4771859 (1988-09-01), Breland
Chaba, "Earphones in Audiometry", J. Acoust. Soc. Am., vol. 83, No. 4, Apr. 1988, pp. 1688, 1689.

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