Sercel Inc.

Hubert Dieulangard

Jean-Paul Menard

Daniel Pennec

Mathieu Sanche

Fabien Le Moine

Sylvie Menezo

Laurent Guerineau

Networks of data acquisition modules may include wireless and cabled networks. The data acquisition modules may include no antennas, one antenna, or two antennas. The antennas may be removable from a port on the data acquisition node allowing a common module design between the wireless and cabled networks. A rigid shell with arms may be constructed to house the antennas and a cable connector. The rigid shell may protect the antennas during transport, installation, and use of the data acquisition modules. For example, when driving a module into the ground, the rigid shell may prevent damage to the antennas.

Data acquisition module and cable connector

The invention relates to a fiber-optic seismic sensor () with a test body (), characterized in that the test body () comprises several separate dishes () that are distributed around the direction of the sensitive axis of the sensor and two star-shaped elements () placed on either side of the dishes () and mechanically linking said dishes () together.

Fiber-optic seismic sensor

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Saint Luce sur Loire, France

Hubert Dieulangard