Patents by Inventor Antonius Asrianus Cornelis Maria Kalker

Antonius Asrianus Cornelis Maria Kalker 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).

  • Embedding supplementary data in an information signal
    Publication number: 20040257977
    Abstract: Disclosed is a method of adjusting a supplementary data signal (wm(n)) to be embedded in an information signal (x(n)), for example an audio signal. The method comprises the steps of determining (301) a position where a predetermined property of the information signal exceeds a predetermined threshold, e.g. an attack position, and suppressing (302) the supplementary data signal in a predetermined neighbourhood of the determined position.
    Type: Application
    Filed: May 12, 2004
    Publication date: December 23, 2004
    Inventors: Minne Van Der Veen, Jaap Andre Haitsma, Antonius Asrianus Cornelis Maria Kalker, Alphons Antonius Maria Lambertus Bruekers