Patent · US Active

Hearing device without reference clock component

US7831056B2 · kind B2 · utility

3Cited by

4References

7Claims

0Family size

Assignee

Siemens Audiologische Technik GmbH · DE

Inventors

Peter Nikles · Singapore, SG
Gottfried Rückerl · Koblenzer Straße, DE
Ulrich Schätzle · Königsee, DE

Key dates

Filing date	Jul 21, 2006
Grant date	Nov 9, 2010
Priority date	—
Expiry date	Sep 8, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2225/55
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.