Underwater control system
CA 1315607 C · Owner: Brooke, John · Inventors: Brooke, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Underwater Control System, INVENTOR John Brooke, ABSTRACT OF THE DISCLOSURE An underwater control system is disclosed. The system find particular applications in mosaic photographic and/or acoustic mapping of seabed or such marine studies, explorations etc. A submersible vehicle is tied to a fixed central unit by a tether. The tether winds and unwinds as the vehicle travels in a spiral path, thus covering all the areas of seabed. The vehicle includes a plurality of vertical wings to generate necessary forces to keep the tether taut. In one embodiment, the vertical wings are designed to generate a lift to maintain a substantially constant altitude. In another embodiment an, altitude …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.