Patents by Inventor Christian Schmidt-Hoenow

Christian Schmidt-Hoenow 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).

  • Printing or copying appliance with exchangeable part units which have an identification device, method for operating an appliance of this type and toner containers for use in the same
    Patent number: 6181885
    Abstract: In a printing or copying device which has one or several exchangeable part units with a modular assembly, the part unit to be identified has an identification device with a non-volatile memory for storing function-relevant operating data of the part unit, said operating data being allocated to operating states. The part unit also has a communication interface for detachably connecting the identification device to a process control device of the printing or copying device.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: January 30, 2001
    Assignee: Oc{acute over (e)} Printing Systems GmbH
    Inventors: Arno Best, Volker Rademacher, Christian Schmidt-Hoenow, Kurt Zietlow, Volker Warbus, Heinrich Lay, Karola Scheidig