Patents by Inventor Stéphane Jaud

Stéphane Jaud 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).

  • Lithium ion battery unit adapted to be charged by an alkaline charger
    Patent number: 6304063
    Abstract: A battery unit includes at least one storage cell, two external connecting terminals, one of which is positive and the other of which is negative, and a safety circuit connected to prohibit entry of charging current into the cell as soon as a voltage applied between the external connecting terminals is greater than a particular maximum safety voltage. An additional protection circuit is connected between the external terminals and the safety circuit to prohibit the entry of charging current into the safety circuit as soon as the voltage applied between the external connecting terminals is greater than a particular maximum charging voltage which is less than the maximum safety voltage. This prevents the safety circuit operating unnecessarily.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: October 16, 2001
    Assignee: Alcatel
    Inventors: Serge Maloizel, Stéphane Jaud, Philippe Boisumault