Patents Assigned to Amplifon A.G.
  • Patent number: 8213628
    Abstract: The invention concerns a listening device (1) for transmitting electroacoustic signals comprising an earphone (2) and means for connecting said earphone (2) with a remote electroacoustic source (3). The invention is characterized in that it comprises an acoustic filter (4) and that its shape is perfectly adapted to the external auditory canal of the ear so as to provide sufficient soundproofing to the external environment. The invention also concerns a headphone comprising one or two such listening devices.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: July 3, 2012
    Assignee: Amplifon A.G.
    Inventor: Olivier Gaches