Patents by Inventor Pieter Willem J. van Hengel

Pieter Willem J. van Hengel 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).

  • Methods and apparatuses for signal analysis
    Patent number: 6745155
    Abstract: A basilar membrane model is used to receive an input signal including a target signal in step I. With successive further steps the target signal is filtered from the input signal. After the filtering the target signal can be used as an input for further processing, like for example signal recognition of data compression. The target signal can also be applied to a substantially reverse method to be obtain an improved or clean signal.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: June 1, 2004
    Assignee: Huq Speech Technologies B.V.
    Inventors: Tjeerd Catharinus Andringa, Hendrikus Duifhuis, Pieter Willem J. van Hengel, Michael Gerardus Heemskerk, Maartje Marjolein Nillesen