Patents by Inventor Rolf Nobis

Rolf Nobis 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).

  • Patent number: 4351049
    Abstract: User stations for digital time multiplex communications networks with decentralized exchange which are provided with basic equipment, independent of the structure of the network, composed of modular units which are used according to the requirements of the user, the service to be performed and the structurally given conditions are further provided with an additional equipment performing features including call transfer, call diversion, automatic call transfer, etc.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: September 21, 1982
    Assignee: Heinrich-Hertz-Institut fur Nachrichtentechnik Berlin GmbH
    Inventor: Rolf Nobis