172888 ⎘
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems; Combinations of sonar systems Combination of several spaced transponders or reflectors of known location for determining the position of a receiver
ACOUSTIC NAVIGATIONAL AID SYSTEM AND METHOD
#2UNDERWATER OPTICAL METROLOGY SYSTEM
#3UNDERWATER OPTICAL POSITIONING SYSTEMS AND METHODS
#4Underwater optical metrology system
#5Underwater optical metrology system
#6Underwater optical positioning systems and methods
#7Underwater optical metrology system
#8Underwater optical metrology system
#9Video sensor fusion and model based virtual and augmented reality systems and methods
#10Diver navigation, information and safety buoy
#11Underwater optical positioning systems and methods
#12Underwater optical metrology system
#13Systems and methods for roadway fingerprinting
#14Systems and methods for localizing a vehicle using a roadway signature
#15Video sensor fusion and model based virtual and augmented reality systems and methods
#16Sonar sensor fusion and model based virtual and augmented reality systems and methods
#17METROLOGY METHOD AND DEVICE FOR CALIBRATING THE GEOMETRY OF A NETWORK OF UNDERWATER ACOUSTIC BEACONS
#18Sonar system for automatically detecting location of devices
#19Method for measuring sea waves by means of ultrasonic waves, as well as sea wave measuring system
#20Subsea measurement system and method of determining a subsea location-related parameter
#21SYSTEM AND PROCESS FOR THE PRECISE POSITIONING OF SUBSEA UNITS
#22Methods and systems for navigating under water