Patents by Inventor Lorenz Unruhe

Lorenz Unruhe 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).

  • Memory device and method for storing data according to the FIFO principle
    Patent number: 5883840
    Abstract: In a memory device for storing data according to the FIFO principle, an input counter is provided having a value which is modified when data are written into a memory, and having a comparison unit that outputs a status signal concerning presence of data in the memory dependent on a comparison of the counter states. A scanning unit is arranged at the connection between the comparison unit and the input counter. The scanning unit scans the state of the input counter according to a clock signal and outputs the scan result to the comparison unit.
    Type: Grant
    Filed: January 23, 1998
    Date of Patent: March 16, 1999
    Assignee: Siemens Nixdorf Informationssysteme AG
    Inventor: Lorenz Unruhe