The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 2013
Filed:
Jan. 28, 2005
Everhard Johan Muyzert, Girton, GB;
James Edward Martin, Cottenham, GB;
Robert Montgomery Laws, Cambridge, GB;
Philip Andrew Felton Christie, Fen Drayton, GB;
Everhard Johan Muyzert, Girton, GB;
James Edward Martin, Cottenham, GB;
Robert Montgomery Laws, Cambridge, GB;
Philip Andrew Felton Christie, Fen Drayton, GB;
WesternGeco L.L.C., Houston, TX (US);
Abstract
A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors (-) arranged in groups of at least two pressure sensors with a group output being representative of the vertical pressure gradient at the group location, and an inclinometric system including one or more transducers for determining the orientation of the sensors of the group in order to determine their true vertical separation.