Patents by Inventor Brahim Zaim

Brahim Zaim 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).

  • Electricity meter with a switching mode transformer power supply circuit
    Patent number: 5973941
    Abstract: An electronic electricity meter comprising a measuring circuit and a power supply circuit. The power supply circuit comprises a main capacitor and a transformer controlled by a switching mode circuit. The transformer has an additional winding between the core and the primary and an integrator circuit rated to supply at its output a voltage image substantially proportional to the main capacitor voltage.
    Type: Grant
    Filed: June 24, 1998
    Date of Patent: October 26, 1999
    Assignee: Schlumberger Industries, S.A.
    Inventor: Brahim Zaim