Patents by Inventor Robert J. Dittmar

Robert J. Dittmar 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: 7609688
    Abstract: A serial bus communication system for communication across the backplane of a node includes a control unit having a serial bus controller operable to convert between parallel signals and serialized signals. A plurality of service units each include a serial bus terminator. A serial bus includes a discrete serial channel for each service unit. The serial channel connects the serial bus terminator to the serial bus controller. The serial bus controller is operable to direct a message for a service unit on the serial bus to only the serial channel of the service unit.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: October 27, 2009
    Assignee: Fujitsu Limited
    Inventor: Robert J. Dittmar
  • Publication number: 20040131054
    Abstract: A serial bus communication system for communication across the backplane of a node includes a control unit having a serial bus controller operable to convert between parallel signals and serialized signals. A plurality of service units each include a serial bus terminator. A serial bus includes a discrete serial channel for each service unit. The serial channel connects the serial bus terminator to the serial bus controller. The serial bus controller is operable to direct a message for a service unit on the serial bus to only the serial channel of the service unit.
    Type: Application
    Filed: December 17, 2003
    Publication date: July 8, 2004
    Applicant: Fujitsu Network Communications, Inc., a California corporation
    Inventor: Robert J. Dittmar
  • Patent number: 6674751
    Abstract: A serial bus communication system for communication across the backplane of a node includes a control unit having a serial bus controller. A plurality of service units each include a serial bus terminator. A serial bus includes a discrete serial channel for each service unit. The serial channel connects the serial bus terminator to the serial bus controller. The serial bus controller is operable to direct a message for a service unit on the serial bus to only the serial channel of the service unit.
    Type: Grant
    Filed: June 3, 1999
    Date of Patent: January 6, 2004
    Assignee: Fujitsu Network Communications, Inc.
    Inventor: Robert J. Dittmar