Patents by Inventor Ari-Petteri Pisila

Ari-Petteri Pisila 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).

  • Electronic circuit and method for testing a line
    Patent number: 6867600
    Abstract: The invention relates to an electronic circuit and method for testing a line (10). According to the invention the signal generator (20, 30) comprises a random bit series generating means for generating a spread spectrum test signal and the evaluating unit comprises means (60-90, 200-230) for calculating and evaluating the correlation function of the test signal and the reflected signal.
    Type: Grant
    Filed: September 23, 2000
    Date of Patent: March 15, 2005
    Assignee: Nokia Corporation
    Inventors: Matti Iskanius, Ari-Petteri Pisila