Patents by Inventor Michael Andrew CRACRAFT

Michael Andrew CRACRAFT 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).

  • High speed differential wiring strategy for serially attached SCSI systems
    Patent number: 9021173
    Abstract: A serial attached SCSI (SAS) system may include a host bus adaptor, a bus expander, and a multi-layer data transmission medium coupled between the host bus adaptor and the bus expander. The multi-layer data transmission medium may include a first microstrip structure located at a top surface portion of the multi-layer data transmission medium and a first stripline structure located within a first internal portion of the multi-layer data transmission medium. The microstrip structure provides, among other things, a repeaterless high-speed serial communications link between the host bus adaptor and the bus expander.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: April 28, 2015
    Assignee: International Business Machines Corporation
    Inventors: Michael Andrew Cracraft, Steven Louis Makow
  • HIGH SPEED DIFFERENTIAL WIRING STRATEGY FOR SERIALLY ATTACHED SCSI SYSTEMS
    Publication number: 20140122766
    Abstract: A serial attached SCSI (SAS) system may include a host bus adaptor, a bus expander, and a multi-layer data transmission medium coupled between the host bus adaptor and the bus expander. The multi-layer data transmission medium may include a first microstrip structure located at a top surface portion of the multi-layer data transmission medium and a first stripline structure located within a first internal portion of the multi-layer data transmission medium. The microstrip structure provides, among other things, a repeaterless high-speed serial communications link between the host bus adaptor and the bus expander.
    Type: Application
    Filed: October 26, 2012
    Publication date: May 1, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael Andrew CRACRAFT, Steven Louis MAKOW