Communication system for users of hearing aids

Patent 6078675 Issued on June 20, 2000. Estimated Expiration Date:

April 29, 2016. 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

Cordless communications system
Patent #: 4584707
Issued on: 04/22/1986
Inventor: Goldberg , et al.

Telephone hearing aid
Patent #: 4596899
Issued on: 06/24/1986
Inventor: Wojcik , et al.

Telephone headset for the hearing impaired
Patent #: 5086464
Issued on: 02/04/1992
Inventor: Groppe

Cellular telephone headset
Patent #: 5191602
Issued on: 03/02/1993
Inventor: Regen, et al.

Telephone receiver with electrostatic discharge prevention
Patent #: 5440630
Issued on: 08/08/1995
Inventor: Yamaguchi, et al.

Cellular telephone headset for hand-free communication Patent #: 5613222
Issued on: 03/18/1997
Inventor: Guenther

Inventors

Assignee

GN Netcom A/S

Application

No. 639832 filed on 04/29/1996

US Classes:

381/331, Inductive pickup381/370, Headphone381/375And microphone

Examiners

Primary: Le, Huyen

Attorney, Agent or Firm

Merchant, Gould, Smith, Edell, Welter & Schmidt P.A.

Foreign Patent References

0169792 EP 01/13/1986
42 11 147 DE. 04/13/1993
2160075 GB. 12/13/1985
2277422 GB. 10/13/1994
WO 95/01678 WO. 01/13/1995

International Classes

H04R 025/00
375
330

Foreign Application Priority Data

1995-05-18 DK

Abstract

Communication system for users of hearing aids in connection with the use of a mobile telephone (1), and where the hearing aid user (5) wears at least one hearing aid (4). The system comprises a headset (3) coupled to the mobile telephone, said headset comprising a microphone (6) and a tele-coil (10) for communication with the hearing aid.It is hereby avoided that electrical or electromagnetic noise from the mobile telephone penetrates the hearing aid.