using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart

Industry

CPC
G01S1/80

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Parent Industries

GPHYSICS G01Measuring instruments G01SRADIO DIRECTION-FINDING RADIO NAVIGATION DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES ANALOGOUS ARRANGEMENTS USING OTHER WAVES G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters Receivers co-operating therewith

Current Industry

G01S1/80using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart

Industries

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2515472
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using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ultrasound based air-writing system and method

Range-finding and object-positioning systems and methods using same

Consistent arrival time measurement and determination of discharge...

Spatial location prediction method and device by using artificial i...

Method for positioning underwater objects and system for the implem...

Range-finding and object-positioning systems and methods using same

Ultrasonic locationing interleaved with alternate audio functions

Two pass detection technique for non-echo pulsed ranging

Range-finding and object-positioning systems and methods using same

Method for detecting position of mobile body

Arrangement for, and method of, accurately locating products in a n...

Mobile device utilizing time of flight for personal security and lo...

Ultrasonic locationing system using a dual phase pulse

Ultrasound-based localization of client devices with inertial navig...

Location system

Location system

Acoustic positioning system and method

Underwater acoustic positioning system

Local positioning system for automated lawn mowers

System and method for extending GPS to divers and underwater vehicles

Apparatus and method for detecting position of mobile robot

Target location systems

3588798

3130385

2515472

Patents Applicationslast 30 patents

APPARATUSES, METHODS AND COMPUTER PROGRAMS FOR LOCATING MOBILE DEVI...

ACOUSTIC HORN PHASED ARRAY

RANGE-FINDING AND OBJECT-POSITIONING SYSTEMS AND METHODS USING SAME

ULTRASOUND BASED AIR-WRITING SYSTEM AND METHOD

RANGE-FINDING AND OBJECT-POSITIONING SYSTEMS AND METHODS USING SAME

CONSISTENT ARRIVAL TIME MEASUREMENT AND DETERMINATION OF DISCHARGE...

RANGE-FINDING AND OBJECT-POSITIONING SYSTEMS AND METHODS USING SAME

MOBILE DEVICE UTILIZING TIME OF FLIGHT FOR PERSONAL SECURITY AND LO...

MOBILE DEVICE POSITIONING

LOCATION SYSTEM

ACOUSTIC POSITIONING SYSTEM AND METHOD

LOCATION SYSTEM

ULTRASOUND-BASED LOCALIZATION OF CLIENT DEVICES IN DISTRIBUTED COMM...

UNDERWATER ACOUSTIC POSITIONING SYSTEM

System and Method for Extending GPS to Divers and Underwater Vehicles

Autolocating underwater beacon and method for deployment thereof

Apparatus and method for detecting position of mobile robot