Patents by Inventor Wojciech Kabacinski

Wojciech Kabacinski 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).

  • Multistage digital switching network
    Patent number: 4956840
    Abstract: A multistage digital switching network for use in telecommunications has two identical subnetworks. Each of the subnetworks consists of three modules which are connected in series. In one embodiment, the subnetworks are connected through additional modules identical to the middle module of the series of the subnetworks. In another embodiment, otherwise unused outputs of the middle modules of the subnetworks are used for the connections between the subnetworks.
    Type: Grant
    Filed: December 1, 1988
    Date of Patent: September 11, 1990
    Assignee: Politechnika Poznanska
    Inventors: Andrzej Jajszczyk, Wojciech Kabacinski