Patents by Inventor Solomon Wu

Solomon Wu 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).

  • Method and system for multicast statistic collection
    Patent number: 8626899
    Abstract: A system (100) and method (200) related to gathering statistical information regarding a data stream. The method (200) may include sending (205), by a data forwarding device (110), an internet protocol (IP) multicast data stream to a multicast group using an internet protocol (IP); and collecting (210) statistical data from a router (120a-g) down stream of the forwarding device (110) to determine a number of end point recipients (125, 130, 135) associated with the multicast group and receiving the multicast data stream.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: January 7, 2014
    Assignee: Siemens Enterprise Communications, Inc.
    Inventor: Solomon Wu
  • METHOD AND SYSTEM FOR MULTICAST STATISTIC COLLECTION
    Publication number: 20100217861
    Abstract: A system (100) and method (200) related to gathering statistical information regarding a data stream. The method (200) may include sending (205), by a data forwarding device (110), an internet protocol (IP) multicast data stream to a multicast group using an internet protocol (IP); and collecting (210) statistical data from a router (120a-g) down stream of the forwarding device (110) to determine a number of end point recipients (125, 130, 135) associated with the multicast group and receiving the multicast data stream.
    Type: Application
    Filed: October 23, 2007
    Publication date: August 26, 2010
    Inventor: Solomon Wu
  • Method for detecting infinite loops by setting a flag indicating execution of an idle task having lower priority than executing application tasks
    Patent number: 5278976
    Abstract: Method and apparatus for detecting infinite tight loops and infinite inter-task loops in applications tasks in multi-task, real-time systems. In accordance with the inventive method, a low priority task, the idle task, is executed whenever no other task is ready to execute. Further, when the idle task executes it sets a flag. A higher priority, watch dog task executes and tests the flag. If the flag has been set, the watch dog task resets the flag and sends a signal to reset a watch dog timer, however, if the flag has not been set by the idle task for a predetermined time period, the watch dog task will stop resetting the watch dog timer. As a result, this will cause the watch dog timer to trigger and reset the system.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: January 11, 1994
    Assignee: ROLM Company
    Inventor: Solomon Wu