An acoustic resistor or damper and method of manufacturing the same is disclosed. The damper has mesh material and mounting material attached to the mesh material. The mounting material defines an open region for transmission of sound through the mesh material, and has a mounting surface for mounting...http://www.google.es/patents/US8091680?utm_source=gb-gplus-sharePatente US8091680 - Acoustic resistor for hearing improvement and audiometric applications, and method of making same
Acoustic resistor for hearing improvement and audiometric applications, and ...
