Patents by Inventor Inge Hamlin

Inge Hamlin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Radio communication system
    Patent number: 4507646
    Abstract: A paging system for use in a limited area such as an office, a factory building, a hotel, or other public building wherein the existing electrical supply network is used as the antenna of either the transmitter or the receiver. The electrical supply network is capacitively coupled to the transmitter in the preferred embodiment and in addition supplies power to the unit.
    Type: Grant
    Filed: July 21, 1983
    Date of Patent: March 26, 1985
    Assignee: P.S. Paging System, A.B.
    Inventors: Inge Hamlin, Andre Beudat