Hearing aid

Patent 6094493 Issued on July 25, 2000. Estimated Expiration Date:

May 22, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3068954

3688863

3844271

Hearing aid with acoustical frequency response modification
Patent #: 4090040
Issued on: 05/16/1978
Inventor: Berland

Hearing aid device
Patent #: 4291203
Issued on: 09/22/1981
Inventor: Bellafiore

Continuous flow earmold tubing connector
Patent #: 4381830
Issued on: 05/03/1983
Inventor: Jelonek , et al.

In-canal hearing aid
Patent #: 4539440
Issued on: 09/03/1985
Inventor: Sciarra

Direct bone conduction hearing aid device
Patent #: 4612915
Issued on: 09/23/1986
Inventor: Hough , et al.

Implantable electromagnetic middle-ear bone-conduction hearing aid device
Patent #: 4776322
Issued on: 10/11/1988
Inventor: Hough , et al.

Apparatus and method for conveying amplified sound to the ear
Patent #: 5031219
Issued on: 07/09/1991
Inventor: Ward, et al.

More ...

Inventors

Application

No. 011506 filed on 05/22/1998

US Classes:

381/328, Ear insert381/322, Specified casing or housing381/330Hook over ear

Examiners

Primary: Kuntz, Curtis
Assistant: Dabney, Phylesha

Attorney, Agent or Firm

Merchant & Gould P.C.

Foreign Patent References

163 341 DE. 02/12/1960
28 25 233 DE. 01/12/1979
35 19 445 DE. 02/12/1986
35 08 830 DE. 09/12/1986
41 16 533 DE. 07/12/1992

International Class

H04R 025/00

Foreign Application Priority Data

1995-08-03 DE

Abstract

The invention relates to a hearing aid with a microphone, loudspeaker, battery and other electrical or electronic components, in which there is a tube with its free end opening outwards between the temporal bone in the region of the pars petrosa and the auricle and its other end leading through an aperture in the outer ear into the acoustic duct; it receives sound at its free end and transmits the sound to the eardrum at the hearing duct end.