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. 13, 1987
Filed:
Jul. 30, 1982
Applicant:
Inventors:
Jacques Cretin, Le Chesnay, FR;
Claude Beauducel, Henouville, FR;
Jean Rudaz, Noisy S/Ecoles, FR;
Pierre Gonzalez, Rueil Malmaison, FR;
Assignees:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Compagnie Generale de Geophysique, Massy, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ; G01V / ;
U.S. Cl.
CPC ...
367 20 ; 367 76 ;
Abstract
A device for supplying electric power to electronic apparatuses of a seismic streamer of great length, comprises an electric feeding assembly associated with each electronic apparatus and including three voltage transformers whose primary windings are respectively fed from a generator with a different phase of a three-phase current, and whose secondary windings are respectively connected to three rectifier bridges supplying the required DC voltage to the electronic apparatus.