Presentation
Our values are passion for innovation, precision and sharing.
The innovations
Improve your dive experience with the first wireless underwater GPS
You can record, view and share points of interest in real time.
Enhance an existing diving site. When you download a map, you can display the points of interest you have saved offline or during a previous dive.
During the immersion, you can visualize your position and the points of interest.
Our system allows positioning up to 30 divers for each buoy.
Each diver can visualize his own position and the positions of the others divers.
Returning to the boat can be done faster and more precise; the position of the boat can be displayed if the buoy is attached to the boat
Allows following each diver in real time, from the surface.
Any digital device (computer, tablet or smartphone) can communicate with the buoy via wifi
The technical divers go deeper, longer and the bubbles are not visible from the surface. The use of pre-recorded messages is a simple and effective way to communicate with the boat.
The underwater localization system record diver’s position every second. The route is updated in real time.
Data can be post-processed offline using our apps from the Android app store.
SEVERAL INTERFACES
Bathimetry
Maps
Sonar
F.A.Q.
The GPS for diver
One buoy is sufficient to cover a 500-meter radius and 150 meter depth.
On this area, the number of divers equiped can reach 30.
The position accuracy is of the order of one meter.
A diving computer has an autonomy of about 8 hours, for 8 hours of charging.
We can embed 3 types of 2D maps :
– An IGN map (National Geographic Institute, for French Maps)
– A topographic map (also distributed by IGN)
– And customizable maps (sonar captures, handmade maps etc…)
The buoy dimension is approximately 20cm x 20cm x 20cm for a weight of 2 kilogrammes.
Each computer (equipped with LCD screen) measures 15cm x 12cm x 5cm and weighs less than 500 grams.
We plan to downsize in the future using electronic SMD technology (surface mounted components).
Technology
No !
Radio communication methods, based on electromagnetic signal, are used to localise people on the Earth surface. But these signals cannot propagate easily underwater. In consequence, one can use standard GPS only within few inches depth, but not further. This is caused by the electromagnetic attenuation of the electromagnetic signal.. This electromagnetic attenuation phenomenon is the base for new developments, designed specifically for underwater localization.
Yes, today there exist several equipments for underwater localisation, mostly designed for professional applications and for deep water. Most of them are based on acoustic waves.
There are several different methods, starting from the USBL (Ultra Short BaseLine ) o LBL (Long BaseLine ) and hybrid systems. While the USBL system requires only one buoy at the surface , other methods require a synchronized set of buoys. The main drawback of the exixting systems is that the prices of such devices makes them unfordable for small companies or personal use. Additionally, using those systems requires special training.
In this project, we propose a low-cost solution based on USBL technology and is dedicated to individual and technical divers.
Jean -Marie Codol is the founder of the project. He has PhD in signal processing from LAAS-CNRS, Toulouse, France and has several years experience in novel technologies for land localization. For the last couple of years, he is confronting new challenges, how to obtain accurate localisation for submerged divers or vehicles. In this project, he is collaborating with researchers and engineers form other fields such as robotics, signal processing and electronics. The feedback from the divers and people working in underwater related fields (robotics, marine biology, etc) are very important for us.
Moreover, a survey is online, you can express your points of views and preferences. These will be considered with a maximum of attention.
The first concerned by our product are individual divers and technical divers.
Our research in signal processing allowed us to replace expensive components by other ones. All of these while retaining useful properties for divers. This work was funded in part by the award winning of CNACETI (Concours National d’Aide à la Création d’Entreprises de Technologies Innovantes) organized by the BPI France in 2013 in the Emergence category. The objective is here to propose the as widely as possibile out technology for underwater localization. We want everyone can get an underwater “GPS” navigator, easy to use and less expensive than the existing equipments.
Team
Moïra CHANZY
President
Jean-Marie CODOL
Directeur R&D
Jean-Philippe GRAS
R&D engineer employee
Marie-Hortense LAUNAI PRINCE
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Contact form
Contacts
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Moïra CHANZY (CEO)
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Jean-Marie CODOL (CTO)
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SUBMARINE OPEN TECHNOLOGIES
4 allée du Levant
Bureau Elytis – CC Le Solis
34970 Lattes
France
