Directly modulated sonobuoy transmitter using surface acoustic w
Diver locator system
Energy generators initiated by sea water for acoustic buoys and
Extendible sonobuoy apparatus
Extendible sonobuoy apparatus
High resolution acoustic navigation system
Hydroacoustic detection system
Hydrophone deployment system for a sonobuoy
Inertially released jettisonable airborne buoy
Jettisoning and flotation device for a suspended load, particula
Large, air deployable, volumetric hydrophone array
Long baseline tracking system
Long life battery operated acoustic underwater buoy release syst
Low cost sonobuoy
Low cost sonobuoy
Low flow noise sonobuoy suspension system
Magneto-inductive submarine communications system and buoy
Marine transponder system
Master buoy system for acoustic array deployment, using underwat
Measurement of distance using ultrasonic signals