Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2008-07-01
2008-07-01
Ensey, Brian (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S324000
Reexamination Certificate
active
10885073
ABSTRACT:
An interchangeable hearing aid control panel with at least one activation zone arranged in connection with a layered structure. The layered structure has an electrically non-conducting substrate, an electrically conducting path arranged in connection with the substrate, and an electrically conducting member, such as a conducting foil, arranged at a predetermined distance from the activation zone. The activation zone can be either in a deactuated or in an actuated state. In the actuated state the conducting member and the conducting path are electrically connected while disconnected in the deactuated state. Electrical connection to an associated hearing aid is by means of a connector, such as a plug, enabling the control panel to be easily changed. Preferably, the connector is formed by a piece of flexprint. The layered structure may comprise a second conducting path. In preferred embodiments activation zones are indicated by “poppel domes” formed by a surface layer covering the layered structure. The activation zones may form an MTO control or a volume control. To fit BTE hearing aids, the layered structure preferably has an elongated structure with a length of 1-4 cm. Other shapes can be formed to fit ITE, ITC and CIC hearing aids. In preferred embodiments, the control panel comprises one or more Silicon-based microphones protected behind a surface layer of the control panel.
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patent: 1318535 (2003-06-01), None
patent: WO 95/12207 (1995-05-01), None
Joergensen Martin Bondo
Petersen Joergen Ahm
Ensey Brian
Foley & Lardner
Sonian Roskilde A/S
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