Patents by Inventor Dianne Ratzel, legal representative

Dianne Ratzel, legal representative 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).

  • Apparatus and method for encoding digital image data in a lossless manner
    Patent number: 8270738
    Abstract: A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: September 18, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Vijayalakshmi R. Raveendran, Kadayam S. Thyagarajan, John Ratzel, Dianne Ratzel, legal representative, Steven A. Morley, Ann Chris Irvine
  • Apparatus and method for encoding digital image data in a lossless manner
    Patent number: 8098943
    Abstract: A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: January 17, 2012
    Assignee: QUALCOMM Incorporated
    Inventors: Vijayalakshmi R. Raveendran, Kadayam S. Thyagarajan, John Ratzel, Dianne Ratzel, legal representative, Steven A. Morley, Ann Chris Irvine
  • Apparatus and method for encoding digital image data in a lossless manner
    Patent number: 8023750
    Abstract: A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: September 20, 2011
    Assignee: QUALCOMM Incorporated
    Inventors: Vijayalakshmi R. Raveendran, Kadayam S. Thyagarajan, John Ratzel, Dianne Ratzel, legal representative, Steven A. Morley, Ann Chris Irvine
  • Apparatus and method for encoding digital image data in a lossless manner
    Patent number: 7483581
    Abstract: A method of losslessly compressing and encoding signals representing image information is claimed. A lossy compressed data file and a residual compressed data file are generated. When the lossy compressed data file and the residual compressed data file are combined, a lossless data file that is substantially identical to the original data file is created.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: January 27, 2009
    Assignee: QUALCOMM Incorporated
    Inventors: Vijayalakshmi R. Raveendran, Kadayam Thyagarajan, Dianne Ratzel, legal representative, Steven A. Morley, Ann Chris Irvine, John Ratzel