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:
May. 09, 2017
Filed:
Oct. 24, 2013
Pgs Geophysical As, Lysaker, NO;
Julie Slaughter Zrostlik, Ames, IA (US);
Todd Allan Reinders, Granger, IA (US);
PGS Geophysical AS, Oslo, NO;
Abstract
Embodiments related to sound sources for marine geophysical surveys. An embodiment provides a sound source, comprising: an outer shell containing a first gas at a first gas pressure; and a compliance chamber in indirect fluid communication with the first gas, the compliance chamber containing a second gas at a second gas pressure, wherein the second gas pressure is lower than the first gas pressure. An embodiment provides a sound source for marine geophysical surveys, comprising: an outer shell; a mass coupled to the outer shell; and an actuator coupled to the outer shell. Additional apparatus and methods are disclosed herein.