Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate
2006-07-21
2010-11-09
Ensey, Brian (Department: 2614)
Electrical audio signal processing systems and devices
Hearing aids, electrical
C381S315000
Reexamination Certificate
active
07831056
ABSTRACT:
A hearing device, in particular a hearing aid, occupies a small volume and has high data transmission speeds for wireless transmission. In order to avoid using large volume frequency-stable components, for this purpose, an oscillator unit with a free-running oscillator is used instead. A receiver receives a synchronization signal cyclically. This is correlated to a reference signal in a correlator, such that the arrival time of the synchronization signal can be defined exactly. The free-running oscillator is then retuned correspondingly.
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Nikles Peter
Rückerl Gottfried
Schätzle Ulrich
Ensey Brian
Schiff & Hardin LLP
Siemens Audiologische Technik GmbH
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