Patents by Inventor Hueiming Yang

Hueiming Yang 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).

  • Data link with an imbedded channel
    Patent number: 5123014
    Abstract: A method and apparatus for arranging an HDLC data link to transport a special class of data such as, for example, synchronization or other signalling informaiton, in addition to the normal data transported by the data link is provided. According to the invention, at the sending end of the link the all-1's sequence corresponding to the idle sequence between individual HDLC packets is detected. Once eight (8) consecutive 1's are detected, a desired number of 1's is removed and a like number of synchronization bits are inserted in their place. At the receiving end of the link the inserted synchronization bits are detected, removed, and a like number of 1's inserted in their place.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: June 16, 1992
    Assignee: Motorola, Inc.
    Inventors: John C. Federkins, Charles L. Whittington, Hueiming Yang