Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2005-08-16
2005-08-16
Eng, George (Department: 2643)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S314000
Reexamination Certificate
active
06931141
ABSTRACT:
A hearing aid comprising a housing with a connector enabling an external device to be connected thereto is provided. The connector includes a set of closely spaced electrical terminals operatively connected to at least one internal hearing aid component. The hearing aid also comprises detecting means adapted for determining whether an external device is connected or unconnected to the hearing aid, and the hearing aid is adapted for keeping the set of closely spaced electrical terminals at a substantially equal electrical potential during at least a part of the time periods wherein an external device is unconnected. A method of operating a hearing aid and a program comprising code adapted for operating a hearing aid is also provided.
REFERENCES:
patent: 4532930 (1985-08-01), Crosby et al.
patent: 5188540 (1993-02-01), Haertl et al.
patent: 5404407 (1995-04-01), Weiss
patent: 6144748 (2000-11-01), Kerns
patent: 6449662 (2002-09-01), Armitage
patent: 29915874 (2000-03-01), None
Bingham & McCutchen LLP
Bolan Michael J.
Eng George
Ensey Brian
GN Resound A/S
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