Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate
2006-11-28
2006-11-28
Ni, Suhan (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
C381S324000
Reexamination Certificate
active
07142682
ABSTRACT:
A silicon-based transducer assembly coupled to a movable structure in a hearing instrument. The transducer assembly includes at least one microphone chip and an ASIC having multiple integrated components such as any combination of a DSP, an A/D converter, an amplifier, a filter, or a wireless interface. The movable structure may be a battery access door, a volume dial, a switch, or a touch pad. A protection strip can be disposed across the battery access door to prevent debris from clogging the silicon-based transducer assembly. The transducer assembly may also include an array of microphone chips to achieve adaptive beam steering or directionality. When equipped with a wireless interface, the hearing instrument wirelessly communicates with another hearing instrument or with a network.
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Müllenborn Matthias
van Halteren Aart Z.
Jenkens & Gilchrist
Ni Suhan
Sonion Mems A/S
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