Patents Assigned to Gen Engineering, Ltd.
  • Patent number: 4334315
    Abstract: A wireless transmitting and receiving system includes an ear microphone of the vibration pick-up type for picking up bone-conducted voice signals through an external auditory ear canal wall of a wearer. A portable case is disposed adjacent the wearer's ear and a wireless device is attached adjacent the wearer but spaced from the portable case. A transmitter of a transmitting circuit for transmitting the output signals of the ear microphone is housed in the portable case. A receiver of a receiving circuit is housed in the wireless device and receives signals from outside the system. The transmitting and receiving circuits provide a wireless connection between the portable case and the wireless device permitting two-way communication through one ear of the wearer.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: June 8, 1982
    Assignee: Gen Engineering, Ltd.
    Inventors: Hiroshi Ono, Kazutoshi Mizoi