Automatic force control for a seismic vibrator
Automatic resetting of seismic water sound source
Axial drive resonant pipe projector (ADRPP)
Backing for acoustic transducer array
Baffled ring directional transducers and arrays
Balanced armature transducers with transverse gap
Barrel stave flextensional projector
Barrel stave projector
Barrel stave projector-stave attachment
Bias compensated optical grating hydrophone
Blanket array adhesion system
Borehole televiewer
Bottom-deployed, upward looking hydrophone assembly
Bowed elastomeric window
Broad band, high frequency, high sensitivity beam forming array
Broad beam transducer
Broad-band hydraulic vibrator
Broadband acoustic transducer
Broadband electroacoustic transducer
Broadband free-flooding magnetostrictive scroll transducer