Featured patents

Reconstructing an Acoustic Field
US 08848481 B2, Sept. 30, 2014, Acoustic Image Conversion, Jørgen Hald / Bruel & Kjaer Sound & Vibration Measurement A/S (Naerum, DK)
A method of reconstructing a sound field, the sound field being generated by…

Audio Surveillance System
US 08787114 B1, July 22, 2014, With beam steering, scanning, or focussing, Leonard Alan Plotke / The Boeing Company (Chicago, US)
A method for detecting objects of interest using sounds, the method comprising:…

System and Method for Estimating Projectile Trajectory and Source Location
US 08861311 B2, Oct. 14, 2014, With time interval measuring means, Janos Sallai et al. / Vanderbilt University (Nashville, US)
A method for estimating location information associated with a supersonic…

Methods for Controlling Towed Marine Sensor Array Geometry
US 08737164 B2, May 27, 2014, Transducer position control, Nils Lunde et al. / PGS Geophysical AS (Oslo, NO)
A method for towing a sensor streamer array in a body of water, comprising…

Marine Siren Seismic Source
US 08687464 B2, April 1, 2014, Electrically driven underwater bells or sirens, Martin Thompson et al. / BP Exploration Operating Company Limited (Middlesex, GB)
A marine seismic source suitable for producing seismic signals over a band…

Method for Sonic Indication of Formation Porosity and Lithology
US 08681582 B2, March 25, 2014, Borehole or casing condition, Peter T. Wu et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method for estimating porosity of a formation, comprising:…

Vertical Seismic Profiling Velocity Estimation Method
US 08665667 B2, March 4, 2014, Synthetic seismograms and models, Alex Goertz et al. / 1474559 Alberta Ltd. (Calgary, CA)
A method comprising: (a)…

Ultrasonic Measurements Performed on Rock Cores
US 08619501 B2, Dec. 31, 2013, Borehole Testing, Fernando Garcia-Osuna et al. / Schlumberger Technology Corporation (Sugar Land, US)
An apparatus, comprising:…

Apparatus, Systems and Methods for Enhanced Detection, Synchronization and Online Doppler Scale Estimation for Underwater Acoustic Communications
US 08467269 B2, June 18, 2013, Telemetering, Sean Mason et al. / University of Connecticut (Farmington, US)
A method for processing an underwater acoustic (UWA) signal, the method…

Curve-Fitting Technique for Determining Dispersion Characteristics of Guided Elastic Waves
US 08456952 B2, June 4, 2013, Frequency, Chen Li et al. / Baker Hughes Incorporated (Houston, US)
A method for estimating a slowness of an earth formation, the method comprising:…

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