Hearing device with fuel cell

Details Hearing device with fuel cell Hearing device with fuel cell

2008-05-13

2008-05-13

Ni, Suhan (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S322000, C381S324000

Reexamination Certificate

active

07372971

ABSTRACT:
A hearing device is provided that includes at least a signal processing unit and at least a fuel cell to supply the signal processing unit with energy. The fuel tank of the fuel cell includes a membrane or an area with micro openings to let the fluid or gas to be used by the fuel cell pass into the fuel tank and to block other fluids from entering the fuel tank.

REFERENCES:
patent: 5364711 (1994-11-01), Hasimoto et al.
patent: 6567527 (2003-05-01), Baker et al.
patent: 2001/0043709 (2001-11-01), Panitzsch
patent: 2004/0071306 (2004-04-01), Kufner
patent: 100 51 182 (2002-02-01), None
patent: 101 15 429 (2002-05-01), None
patent: 101 18 744 (2002-10-01), None
patent: 1 534 015 (1978-11-01), None
patent: 02/067628 (2002-08-01), None

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