Patents Assigned to Alcatel Kirk A/S
  • Telephone handset having a pure acoustic resistance connection
    Patent number: 5058154
    Abstract: The present invention relates to a telephone handset using an acoustic low impedance receiver transducer. A good reproduction of the low frequencies is obtained by introducing a front cover (7) having pure acoustic ohmic connections (8, 14) from the front side of the transducer diaphragm to the space (9) within the handset house (2).
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: October 15, 1991
    Assignee: Alcatel Kirk A/S
    Inventor: Morten K. Andersen