Patents by Inventor Karl J. Zapf

Karl J. Zapf 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).

  • MOS-Integrated circuit arrangement for suppressing quiescent currents flowing in word line drivers of semiconductor memories
    Patent number: 4347588
    Abstract: MOS integrated circuit arrangement for suppressing quiescent currents flowing in word line drivers of semiconductor memories, including respective controlled switches addressed by a storage activation signal, the controlled switches being connected between the output circuit of the word line drivers and reference potential.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: August 31, 1982
    Assignee: Siemens Aktiengesellschaft
    Inventors: Kurt Hoffmann, Karl J. Zapf