Hearing aid system with acoustical horn
First Claim
1. A hearing aid system comprising, in combination,an electronic hearing aid, said hearing aid including an outer body containing a microphone, said outer body having an orifice in one part thereof for transferring sound to said microphone;
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Abstract
A hearing aid system including an electronic hearing aid containing a microphone and having an orifice in one part thereof for transferring sound to the microphone and an acoustically amplifying horn formed with an outwardly flared end defining an inlet opening for sound originating ahead of the horn and an open downstream end attached to the part of the hearing aid containing the orifice such that the orifice is enclosed and sealed off from exposure to sound originating outside of the horn except for that sound entering the inlet opening.
29 Citations
21 Claims
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1. A hearing aid system comprising, in combination,
an electronic hearing aid, said hearing aid including an outer body containing a microphone, said outer body having an orifice in one part thereof for transferring sound to said microphone; - and
an acoustically amplifying horn, said amplifying horn having a tubular body formed with an outwardly flared end defining an inlet opening for sound originating ahead of said horn, said tubular body further including an open end located downstream from said inlet opening, said open end being attached to said part of said hearing aid body containing said orifice in a manner whereby said orifice is enclosed and sealed off from exposure to sound originating outside of said horn except for that sound entering said inlet opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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- 14. An acoustical horn for attachment to the forward end of a hearing aid device containing a sound transferring orifice, said horn comprising a tubular body having an outwardly flared forward end, defining an inlet opening for sound originating ahead of said horn and a downstream open end which is stretchable and can be expanded to fit snugly over said forward end of said hearing aid containing said orifice.
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20. An acoustical horn for attachment to the forward end of a hearing aid device containing a sound transferring orifice, said horn comprising a tubular body made from an elastomeric material, said tubular body being substantially rectangular or oval shaped and having an outwardly flared substantially parabolic forward end, defining an oval shaped inlet opening for sound originating ahead of said horn, said inlet opening being straight on one side thereof so as to fit snugly behind the user'"'"'s ear and a downstream open end which is stretchable and can be expanded to fit snugly over said forward end of said hearing aid containing said orifice.
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21. A hearing aid system comprising, in combination:
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an electronic hearing aid including an outer body containing a microphone, said outer body having at one end thereof an orifice for transferring sound to said microphone, a molded ear insert and a hollow tube for transmitting amplified sound from said hearing aid to said molded insert; and an acoustically amplifying horn having a tubular body made from an elastomer material, said tubular body having an outwardly flared, substantially parabolically shaped forward end, defining an inlet opening for sound originating ahead of said horn and a downstream open end which fits snugly over said end of said tubular body for attachment to said hearing aid, said hollow tube extending outwardly through said inlet opening to said molded ear insert.
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Specification