172397 ⎘
Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves Emergency, distress or locator beacons
Acoustic positioning transmitter and receiver system and method
#2BROADCAST-TYPE UNDERWATER NAVIGATION POSITIONING SYSTEM AND METHOD
#3Systems and methods for locating mobile electronic devices with ear-worn devices
#4Vehicle alarm device
#5Underwater locator device (ULD) particle suppressor/trap
#6Behind the radome mounting system for aircraft avionics equipment
#7Acoustic positioning transmitter and receiver system and method
#8Autonomous underwater vehicle light show
#9Device and system for detecting a signal for locating an underwater source
#10SYSTEM FOR LOCATING AN OBJECT FURNISHED WITH AN RFID TAG
#11METHODS AND SYSTEM TO ASSIST SEARCH FOR LOST AND SUBMERGED OBJECTS
#12Location beacon assembly
#13Localisation system
#14Data display for signaling aid in emergency and disaster situations
#15Methods and system to assist search for lost and submerged objects
#16Audio analysis apparatus
#17Audio/visual annuciator for marking points of interest
#18Miner acoustic communication and location system
#19Miner acoustic communication and location system
#20Locator Beacon Disposed Internal to an Enclosure of a Flight Data Recorder and Method Therefor
#21Wireless locating system
#22Sonic building rescue beacon
#23Alarm method and system
#24Underwater acoustic beacon location system