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Head-Up Display System for Closed Circuit Rebreathers With Antimagnetic Wireless Data Transmission

A. Sieber ; A. Schuster ; S. Reif ; D. Madden ; Peter Enoksson (Institutionen för mikroteknologi och nanovetenskap, Bionanosystem)
Marine Technology Society Journal (0025-3324). Vol. 47 (2013), 6, p. 42-51.
[Artikel, refereegranskad vetenskaplig]

Rebreather divers use LED-based head-up displays (HUD) as a primary display and warning device for the partial pressure of O-2 in the breathing loop. Such devices are usually mounted on the mouthpiece of the rebreather in the field of vision of the diver. LED-based HUDs are simple devices and can be designed so that they are easy to understand but have limited information content. Few alphanumeric or graphical screen-based HUDs have been developed in the past. Connecting such a device to a rebreather requires cable links, which divers dislike, and increases the risk of entanglement. State-of-the-art wireless data transmission uses ultrasonic waves or low- frequency electromagnetic waves the former is not silent, and the latter achieves only very low data transmission rates of a few bytes per second and does not meet the antimagnetic standards required by military divers. The present paper describes a novel HUD system that incorporates a simple LED-based primary HUD along with an advanced secondary head-up diving computer with a micro organic LED screen. An optical infrared data transmission system is used to transmit all rebreather relevant data from the primary to the secondary device. One prototype of the system was manufactured and successfully tested in the laboratory according to relevant European standards as well as during several dives in fresh and sea water.

Nyckelord: head-up display, near eye display rebreather, wireless underwater data, transmission



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Denna post skapades 2014-01-17. Senast ändrad 2014-01-17.
CPL Pubid: 192810

 

Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Bionanosystem (2007-2015)

Ämnesområden

Livsvetenskaper
Innovation och entreprenörskap (nyttiggörande)
Elektroteknik och elektronik
Nanoteknik
Annan medicin och hälsovetenskap

Chalmers infrastruktur