Patents by Inventor Andrew Michael Ray

Andrew Michael Ray 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).

  • Synchronisation method and apparatus for OFDM symbols
    Patent number: 7697617
    Abstract: A system and method for synchronising data for use in a powerline communications network. Data containing a plurality of symbols is received and a predetermined number of data samples are used to calculate an alignment error associated with the data samples. The alignment error represents the extent to which the data samples are aligned with one of the symbols. The alignment error is then used to determine the extent to which the alignment position should be changed so as to provide substantial alignment with a subsequent symbol.
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: April 13, 2010
    Assignee: 4I2I Communications Limited
    Inventor: Andrew Michael Ray
  • Synchronisation method and apparatus for OFDM symbols
    Publication number: 20040233837
    Abstract: A system and method for synchronising data for use in a powerline communications network.
    Type: Application
    Filed: February 13, 2004
    Publication date: November 25, 2004
    Inventor: Andrew Michael Ray