Patents by Inventor Didier Largeau

Didier Largeau 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).

  • Seismic sensor units
    Patent number: 6353577
    Abstract: A seismic sensor unit (10) comprises a case (12) containing electronic circuits (18, 20) that serve to digitise and digitally process the output signals of a seismic sensor element (16) inside the case (12). A first digital filtering of acquired signals can be provided at sensor unit level before the data are further fed into a seismic network and further processed.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: March 5, 2002
    Inventors: Jacques Joseph Henri Orban, Didier Largeau, Andreas Wolfgang Laake, Hans Paulson, Abdullah Akkoca
  • Temperature-compensated vibrating beam microsensor
    Patent number: 5442963
    Abstract: A microsensor for application in measurements of pressure including a temperature compensated vibratory bar comprises means for measuring the resonance frequency of the vibratory bar, means for measuring the temperature by interferometric determination of the optical thickness of the bar and means for determining a physical quantity to be measured based on resonance frequency and temperature.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: August 22, 1995
    Assignee: Solartron Group Limited
    Inventor: Didier Largeau