Positioning system using ultrasonic waves and method for...

Range and depth detection system

Range measuring system

Remote attitude and position indicating system

Remote control device for controlling electronic devices

Shock wave scoring apparatus employing curved rod sensors

Sound-monitoring device for an industrial installation

Speaker direction detection circuit and speaker direction...

Subsea positioning system and apparatus

System and a method for detecting the direction of arrival...

System and a method for detecting the direction of arrival...

System and method for determining the location of an...

System and method for disambiguating shooter locations

System and method for disambiguating shooter locations

System and method for focusing a kinetic pulse array

System and method for identifying and locating an acoustic...

System and method for locating a trajectory and a source of a pr

System and method for protecting the location of an acoustic...

System and method for sonic positioning

Systems and method for compensation of sensor degradation in...