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:
Sep. 08, 1987
Filed:
Sep. 26, 1986
Applicant:
Inventor:
Paul Jubinski, Houston, TX (US);
Assignee:
Western Geophysical Company of America, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ; H01K / ;
U.S. Cl.
CPC ...
367 20 ; 267153 ; 267178 ; 181112 ;
Abstract
A gradiometer array of two or more sensors consists of a closed housing filled with a volume of fluid having a desired specific gravity. The sensors are freely suspended in the housing by flexible tethers. The sensors have different specific gravities such that one always sinks and the other floats. By that means, the sensors are self-aligning along an axis parallel to the gravitational vertical.