Pinwheel transducer array
Plasma jet underwater acoustic source
Pneumatic gun for rapid repetitive acoustic firing
Pneumatic gun for rapid repetitive firing
Pneumatically-operated liquid slug projector apparatus
Pneumatically-operated liquid slug projector apparatus
Polarization diversity for optical fiber applications
Polarization insensitive hydrophone
Polymer hydrophone array with multilayer printed circuit wiring
Portable acoustic turbulence detector
Portable encapsulated underwater ultrasonic cleaner
Portable optical range tracking array
Portable remote-controlled fish locating system
Portable ultrasonic underwater sensor
Pressure balanced inertia solenoid valve
Pressure compensated communication system
Pressure compensated hydrophone
Pressure compensated hydrophone
Pressure compensated transducer system with constrained diaphrag
Pressure compensating coaxial line hydrophone and method