Patents by Inventor Wolfgang Schläfer

Wolfgang Schläfer 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).

  • System for exchanging data
    Patent number: 6924747
    Abstract: In a system for the exchange of data, including a teleservice terminal apparatus, a user apparatus adapted to exchange data with the teleservice terminal apparatus, a central control unit having access to a public communication network, and a subcontrol unit connectable to the teleservice terminal apparatus and to the central control unit, the teleservice terminal apparatus transmits data of a particular event to the subcontrol unit which includes a first table for a first evaluation of the data and, depending on the result, transmits the data to the central control unit for a second evaluation on the basis of a second table before transmission to a certain user apparatus.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: August 2, 2005
    Assignee: Common-Link AG
    Inventor: Wolfgang Schläfer