Patent ID: 9618637
Date: 2017-04-11
CPC Classifications: G01V

Claim:
1. A marine acoustic vibrator comprising: a containment housing; a first piston plate; a second piston plate; a fixture extending along a major axis of the containment housing, wherein the fixture is coupled to either end of the containment housing; a first spring element coupled to the first piston plate and a first side of the fixture, a second spring element coupled to the second piston plate and a second side of the fixture, wherein the first spring element extends between the first side of the fixture and the first piston plate, and the second spring element extends between the second side of the fixture and the second piston plate; wherein the first and second spring elements each have selected spring constants to produce a first resonance frequency; and a driver coupled to the first and second piston plates and the fixture, wherein the driver is configured to move the first and second piston plates back and forth, wherein the fixture supports the driver in the containment housing.