Patents by Inventor Alain Leve

Alain Leve 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).

  • Instrument for measuring the near-end crosstalk per unit length of multicore fibers
    Patent number: 6366347
    Abstract: The present invention relates to a system for measuring the optical coupling between cores of a multicore fiber which comprises transmitter capable of transmitting a train of pulses of controlled frequency and width into one end of a core of a multicore fiber, and detection capable of detecting the signal received at the same end of at least one other adjacent core of the multicore fiber, with a controlled time window close to the transmission pulse duration and with a delay between 0 and the transmission period.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: April 2, 2002
    Assignee: France Telecom
    Inventors: Daniel Boscher, Jean-Claude Bizeul, Alain Leve