Icing preventive device for ultrasonic wave transmitting and rec
Image conversion for a scanning toroidal volume search sonar
Imaging sonar and detection system using such a sonar
Imaging sonar system and method
Imaging system and associated method for surveying underwater ob
Imaging system and associated method for surveying underwater ob
Imaging system for detecting underground objects and associated
Individual authentication method, individual authentication...
Information generating apparatus using elastic waves
Information generating apparatus using elastic waves
Information generator using elastic wave
Infra-sonic detector and alarm with self adjusting reference
Infra-sonic detector and alarm with self adjusting reference
Inteferometric synthetic sonar antenna
Integrated automatic control for ultrasonic proximity switches
Integrated mapping and audio systems
Integrated passive acoustic and active ultrasonic marine aquatic
Interference avoidance device for use in a sensor system
Interference suppression unit for a sonar apparatus
Interferometer with a single projector array and a single...