Patent 7869610 was granted and assigned to Knowles (company) on January, 2011 by the United States Patent and Trademark Office.
A bone conduction transducer suitable for use in a listening device, such as hearing aids, in-ear monitors, headphones, electronic hearing protection devices, and very small scale acoustic speakers, has an end mass assembly disposed within the housing. The end mass assembly is mounted to the acoustic assembly and operatively coupled to the motor assembly via a coupling assembly.