EP 1624723 B1 20120530 - Stabilisation of the system-clock pulse in a hearing aid
Title (en)
Stabilisation of the system-clock pulse in a hearing aid
Title (de)
Stabilisierung des Systemtaktes bei einem Hörhilfegerät
Title (fr)
Stabilisation de la cadence du système dans une prothèse auditive
Publication
Application
Priority
DE 102004037379 A 20040802
Abstract (en)
[origin: EP1624723A2] A clock generator (8) generates a system clock hearing frequency varying within a specific range from a predetermined target value. A receiving unit (14) receives a periodic electromagnetic signal from a remote controller (9) including a quartz crystal (13), to stabilize frequency of the system clock by reducing variation in frequency of the system clock from the target value. Alternatively, the quartz crystal may be in a timepiece, or signals from a standard time transmitter may be employed. An independent claim is also included for operation method of hearing aid.
IPC 8 full level
H04R 25/00 (2006.01)
CPC (source: EP US)
H04R 25/558 (2013.01 - EP US); H04R 25/70 (2013.01 - EP US); H04R 25/505 (2013.01 - EP US); H04R 2420/07 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE DK FR GB LI
DOCDB simple family (publication)
EP 1624723 A2 20060208; EP 1624723 A3 20090520; EP 1624723 B1 20120530; DK 1624723 T3 20120903; US 2006023906 A1 20060202; US 7577268 B2 20090818
DOCDB simple family (application)
EP 05107054 A 20050729; DK 05107054 T 20050729; US 19493205 A 20050802