EP 0835042 A2 19980408 - Protection device for in and out sound apertures of housings or earpieces of hearing aids
Title (en)
Protection device for in and out sound apertures of housings or earpieces of hearing aids
Title (de)
Schutzvorrichtung für die Schallein- und/oder Schallaustrittsöffnung an Gehäusen oder Ohrpassstücken von Hörhilfegeräten
Title (fr)
Dispositif de protection pour les ouvertures d'entrée et/ou sortie du son dans les boîtiers ou les embouts auriculaires des prothèses auditives
Publication
Application
Priority
DE 19640796 A 19961002
Abstract (en)
The protective device includes a membrane which covers an aperture in a casing or ear piece of a hearing aid, which is provided for an entry or output of sound. A closed, thin-walled membrane (10) of a same wall thickness is provided, which consists of an inert material suitable for sound transmission. The membrane is preferably a thin titanium membrane with a wall thickness of 0.01 mm. The membrane may be arranged in a cap, a sheath, or a ring, and may have a concave, convex or flat form. The membrane preferably includes a surface engraving, formed of concentric rings or a spiral.
Abstract (de)
Bei einer solchen geschlossen ausgeführten Vorrichtung ist eine geschlossene, homogene und dünnwandige Membran (10) vorgesehen, die aus einem inerten und zur Schallübertragung geeigneten Material besteht. <IMAGE>
IPC 1-7
IPC 8 full level
H04R 25/00 (2006.01); H04R 25/02 (2006.01)
CPC (source: EP)
H04R 25/654 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0835042 A2 19980408; DE 19640796 A1 19980416; JP H10126897 A 19980515
DOCDB simple family (application)
EP 97116300 A 19970918; DE 19640796 A 19961002; JP 26604097 A 19970930