Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2007-03-20
2007-03-20
Ni, Suhan (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S324000
Reexamination Certificate
active
10008280
ABSTRACT:
A hearing device is provided with an electrical supply unit and an electrical to mechanical converter incorporated in a first module. An acoustical to electrical converter and a signal processing unit are incorporated in a second module. The first and second modules are assembled so that they can be easily disassembled.
REFERENCES:
patent: 3659056 (1972-04-01), Morrison et al.
patent: 4723293 (1988-02-01), Harless
patent: 5701348 (1997-12-01), Shennib et al.
patent: 5825896 (1998-10-01), Leedom
patent: 6021207 (2000-02-01), Puthuff et al.
patent: 00 79834 (2000-12-01), None
Ni Suhan
Pearne & Gordon LLP
Phonak AG
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