Patent classifications
G
PHYSICS
Load children
G01
MEASURING; TESTING
Load children
G01S
RADIO 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
Load children
1/00
Beacons 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
Load children Filter patents View analytics View as hierarchy Open in page
G01S1/72
using ultrasonic, sonic or infrasonic waves
Load children Filter patents View analytics View as hierarchy Open in page
G01S1/76
Systems for determining direction or position line
Load children Filter patents View analytics View as hierarchy Open in page
G01S1/78
using amplitude comparison of signals transmitted from transducers or transducer systems having differently-oriented characteristics
Load children Filter patents View analytics View as hierarchy Open in page
G01S1/786
the signals being transmitted simultaneously
Filter patents View analytics View as hierarchy Open in page

G01S1/786

System and method for accurate positioning of control devices for instrumented cables
09885794 · 2018-02-06 · ·

Method and system for high-accurate position determination of control devices arranged in connection with instrumented cables towed behind a survey vessel by at least one autonomous surface vessel provided with acoustic communication means, where the control devices are provided with acoustic elements, and where the acoustic communication means and acoustic elements are used for accurate positioning of the surface vessel above the control device.