Patents by Inventor Philippe Isola

Philippe Isola 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).

  • Error correcting device and optical disk reader comprising same
    Patent number: 6453441
    Abstract: A compact and fast coder-decoder of the Reed-Solomon type and a reader, which comprises such a coder-decoder. The present invention provides a coder-decoder that includes specific registers that are divided into elementary cells set in series and comprising means of multiplexing and of calculation such that during a cycle of a clock signal the data of two of the registers are shifted from one cell and a calculation operation is carried out for one of the data and it is subsequently possible to exchange simultaneously the data between the two registers.
    Type: Grant
    Filed: February 8, 2001
    Date of Patent: September 17, 2002
    Assignee: Thomson Licensing S.A.
    Inventors: Mohamed Daoudi, Philippe Isola, Philippe Paul, Christophe Viroulaud
  • Error correction device and optical disk reader comprising such a device
    Patent number: 6292921
    Abstract: A Reed-Solomon type error correction device carries out correction passes, and includes a first memory containing DVD type data, as well as CD type data after a first correction pass, for deinterleaving of the CD type data before a second correction pass. Additionally, a second memory of smaller capacity than the first memory, is provided for containing CD type data before correction, as well as deinterleaved CD type data. The invention concerns the error correction device and an optical disk reader containing such a device.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: September 18, 2001
    Assignee: Thomson Licensing S.A.
    Inventors: Mohamed Daoudi, Philippe Isola, Philippe Paul, Christophe Viroulaud