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US 4,904,233 AGranted
Arrangement in a hearing aid device
OwnerBo H.ang.kansson, Peder Carlssoninventors
Life of this patent
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Abstract
The present invention relates to an arrangement in a hearing aid comprising an oscillator apparatus, which via a coupling portion can be connected and anchored to the skull bone of a person with impaired hearing ability, said apparatus serving the purpose of an emitter for mechanical transmission of sound information to the skull bone.
Claims6
Hearing aid apparatus for mechanical transmission of sound information from a sound-generating apparatus to the skull bone of a hearing impaired person, comprising
- a fixture means (1) made of a material compatible with the body of a person,
- means adapted for anchoring said fixture means to the skull bone of the wearer,
- a housing means including an interior cavity (6) anchored to said fixture means and extending in a direction away from the skull bone through the skin of the wearer,
- an oscillator means (7) releasably disposed within said interior cavity of said housing means for producing mechanical vibration of said information to the skull of the wearer in response to electrical signals,
- a lid for said housing means,
- a first electrical connecting means in said lid for connecting to said oscillating means, and
- a casing, having
- a microphone, and
- an amplifier, and
- a battery power supply interconnected and disposed within said casing and being connected to a second electrical connecting means,
- said first and said second electrical connecting means being adapted to be releasably interconnected.
8 more elements
Dependencies are inferred from the claim text.