Patents by Inventor Richard B. Friel

Richard B. Friel 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).

  • Patent number: 5923609
    Abstract: A wordline driver for a semiconductor memory array having a circuit for selecting and deselecting the first end of an addressed wordline and a circuit for deselecting the second end of the addressed wordline. The first and second ends of the addressed wordline are deselected at substantially the same time. The first end of the wordline is selected and deselected responsive to a strobe waveform and the second end of the wordline is deselected responsive to an RL Strobe waveform. The RL Strobe waveform is derived from a delayed strobe waveform.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: July 13, 1999
    Assignee: American Microsystems, Inc.
    Inventors: Juergen John Roscher, Richard B. Friel, Larry W. Petersen