EP3176069A1 - Verfahren und system zur lokalisierung einer verankerungsverbindung eines boots - Google Patents

Verfahren und system zur lokalisierung einer verankerungsverbindung eines boots Download PDF

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Publication number
EP3176069A1
EP3176069A1 EP16201445.0A EP16201445A EP3176069A1 EP 3176069 A1 EP3176069 A1 EP 3176069A1 EP 16201445 A EP16201445 A EP 16201445A EP 3176069 A1 EP3176069 A1 EP 3176069A1
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EP
European Patent Office
Prior art keywords
boat
anchor
module
link
hull
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Granted
Application number
EP16201445.0A
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English (en)
French (fr)
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EP3176069B1 (de
Inventor
Thierry Martinage
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/22—Handling or lashing of anchors

Definitions

  • the present invention relates to the field of localization and more particularly relates to a method of locating an anchor link of a boat, an anchor link and a boat comprising such an anchor link.
  • the invention is more particularly applicable in the anchoring of a pleasure boat of any size (sailboat or motor boat) or a fishing boat, to anchor, stay anchored or weigh anchor in a space reduced, in particular because of the presence of other boats.
  • a boat In order to achieve a temporary anchorage, for example in a sea or a lake, a boat comprises in known manner an anchor allowing it to remain at anchor.
  • This anchor is in the form of a heavy object, usually a metal piece or concrete, connected to the boat via a link, for example a chain or rope, and which is intended to rest on the bottom to prevent the boat from drifting.
  • An anchorage works by opposing the force exerted by the boat, either by the mass of the anchor, or by the penetration and anchoring of the anchor in the seabed.
  • the boat When anchored, the boat can move around the anchor, depending on the length of the link, according to currents and winds. However, such movements can cause a risk of collision with other boats or surrounding obstacles, which has a disadvantage.
  • the anchor and the link are generally not or hardly visible by the occupants of the boat, including the pilot.
  • the boat moving around the anchor depending on the length of the link and according to the currents and winds during anchoring the position of the anchor relative to the boat is generally not known to the pilot when he wants to lift it.
  • it is necessary to perform maneuvers with the boat, often in a small space these maneuvers can again cause the risk of collisions with other boats or surrounding obstacles, which again presents a drawback.
  • the object of the invention is to at least partially solve these disadvantages by proposing a simple, reliable, effective, robust, precise and inexpensive solution enabling a boat to carry out safety maneuvers, in particular during the lifting of its anchor. .
  • the invention firstly relates to a boat mooring line, said boat comprising a body defined by a hull, said mooring line comprising a first end intended to be connected to said body and a second end intended to be connected to a anchor anchor, the anchor line being remarkable in that it comprises at least one locator beacon to locate said line relative to the hull of the boat.
  • location of the mooring line relative to the hull of the boat is meant determining the position of the mooring line relative to the hull of the boat.
  • the wetting line comprises a plurality of locator beacons mounted along the wetting line, for example end-to-end at regular intervals, to accurately determine the position of the anchor link.
  • the invention also relates to a boat mooring anchor, said boat comprising a body defined by a hull comprising at least one locating beacon in order to locate said anchor relative to the hull of said boat.
  • a locator beacon on the anchor anchor makes it possible to determine the position of the anchor, especially in order to be able to position the boat above the anchor to be closer to it when lifting and thus facilitate the maneuver.
  • the anchor comprises a plurality of locator beacons mounted at various points of the anchor to accurately determine the position and orientation of the anchor on the seabed.
  • the invention also relates to an anchor link for a boat.
  • the anchoring link comprises a wetting line as presented above (that is to say comprising at least one location beacon) and a wetting anchor connected to the second end of said line. anchorage.
  • the boat comprising a body delimited by a hull
  • the anchor link comprises a mooring line and a anchor anchor as presented above (that is to say comprising at least one beacon of location), said mooring line comprising a first end to be connected to the body of the boat and a second end connected to said anchor anchor.
  • the anchor link comprises a wetting line as presented previously (that is to say comprising at least one locating beacon) and a wetting anchor as presented previously (this is i.e. including at least one locator beacon), connected to the second end of said wetting line.
  • the anchor link according to the invention makes it possible to assist the pilot of the boat in his maneuvers, in particular when anchoring or when lifting the anchor, in order to reduce or even eliminate the risk of collisions with surrounding obstacles, including other boats.
  • each location beacon includes a sub-module for determining the geographical position of the beacon in order to locate the beacon accurately.
  • each location beacon includes a submodule for transmitting a signal comprising information on the geographical position of the beacon determined by the sub-module for determining the geographical position of the beacon.
  • the invention also relates to a boat comprising an anchor link as presented above and a management module, said management module comprising a receiving sub-module, each location beacon, at least one signal and a sub-module. -module determining the position of the anchor link relative to the hull of the boat from the received signal.
  • the management module comprises a display screen.
  • the management module is configured to display the position of the anchor link relative to the hull of the boat on said screen.
  • the management module is configured to send the position of the anchor link relative to the hull of the boat to a user equipment.
  • the management module comprises a sub-module for determining the position of surrounding obstacles, comprising for example a radar.
  • the management module is configured to display the determined position of the surrounding obstacles on the screen.
  • the management module comprises a submodule for determining the displacement surface of the boat around the anchor from the position of the anchor link determined in order to evaluate the risks of collisions. with surrounding obstacles.
  • the management module is configured to display the displacement surface determined on the screen.
  • the management module comprises a sub-module for determining a lifting trajectory of the anchor from the determined position of the anchor link relative to the hull of the boat.
  • the management module is configured to display the trajectory determined on the screen.
  • the management module comprises an underwater relief determination submodule located in all or part of the displacement surface, for example from a nautical chart.
  • the lifting trajectory of the anchor can be advantageously determined from the determined underwater relief.
  • the screen may include a marine mapping monitor for displaying said map.
  • the management module comprises a sub-module for determining the wind speed and direction.
  • the lifting trajectory of the anchor can be advantageously determined from the wind speed and direction thus determined.
  • the management module is configured to alert a user of the boat of a risk of collision with a surrounding obstacle.
  • the boat comprises an automatic piloting module configured to guide the boat from a trajectory determined by the trajectory determination sub-module of the management module, which makes the maneuvers easy, especially in order to lift the anchor.
  • the invention also relates to a method for locating an anchor link of a boat, said boat comprising an anchor link as presented above, said method comprising a step of determining the position of the anchor link by relative to the hull of the boat from the anchor link location mark or tags.
  • the method comprises receiving, from each location beacon, at least one signal to determine the position of the anchor link relative to the hull of the boat.
  • the method comprises a step of displaying the determined position of the anchor link.
  • the method comprises a step of determining the position of surrounding obstacles, for example from a radar, in order to make the ship's maneuvers easy and thus avoid colliding with them.
  • the method comprises a step of displaying the determined position of surrounding obstacles.
  • the method comprises a step of determining the displacement surface of the boat around the anchor from the position of the anchor link determined in order to evaluate the risk of collisions with surrounding obstacles. .
  • the method comprises a step of displaying the determined displacement surface.
  • the method comprises a step of determining a lifting trajectory of the anchor from the determined position of the anchor link relative to the hull of the boat.
  • the method comprises a step of displaying the determined trajectory.
  • the method comprises a step of determining the submarine relief, for example from a nautical chart, the trajectory being determined from the underwater relief determined in order notably to prevent the boat from hitting the reliefs of the submarines. seabed.
  • the method comprises a step of determining the speed and direction of the wind, the trajectory being determined from the wind speed and direction thus determined in order to make maneuvers easy.
  • the boat comprising an automatic piloting module
  • the method comprises a step of guiding the boat by the automatic piloting module from the determined trajectory, in order to make the maneuvers easy, especially during the lifting the anchor.
  • the method comprises a step of sending the location of the anchor link with respect to the boat to a user equipment, for example in order to inform a person on the ground of the position of the link. anchor relative to the boat.
  • the method comprises a step of alerting a user of the boat of a risk of collision with a surrounding obstacle.
  • the boat 1 comprises a body 1A, delimited by a shell 1B, floating in a body of water 2A, an anchor link 10 and an anchor management module 20, mounted in the body 1A of the boat 1.
  • the boat 1 further comprises an automatic piloting module (not shown).
  • the anchor link 10 comprises a wetting line 110 and a wetting anchor 120.
  • the mooring line 110 comprises a first end 110A, connected to the body 1A of the boat 1, for example at the deck (not shown) of the boat 1 or its hull 1B, and a second end 110B connected to the anchor 120.
  • the mooring line 110 may be in the form of a chain, a rope or rope, a rope, a cable or a combination thereof or any suitable connection.
  • a mooring line 110 may successively comprise a cable connected to the body 1A of the boat 1 and a chain connected to the anchor 120.
  • the anchor anchor 120 is in the form of a heavy object connected to the boat 1 through the mooring line 110 and which rests on the seabed 2B during the mooring to prevent the boat 1 from derivative.
  • Such an anchor 120 may for example be made of metal, concrete or any suitable material.
  • the anchor 120 allows a temporary anchoring of the boat 1 in the body of water 2A which can, for example be a sea or a lake, to remain at anchor.
  • An anchor operates by opposing the force exerted by the boat 1, either by the mass of the anchor 120, or by the penetration and attachment of the anchor 120 in the seabed 2B.
  • the anchor link 10 comprises at least one location marker 130 enabling the management module 20 to determine the position of the anchor link 10 relative to the boat 1 and in particular to its hull 1B.
  • the anchor link 10 comprises five locator beacons 130.
  • Four of these beacons 130 are mounted along the anchor line 110 and a beacon is mounted on the anchor 120.
  • the number of beacons 130 may be less than or greater than five and the beacons 130 can be mounted at any point of the anchor link 10, for example only on a portion of the anchor line 110.
  • each tag 130 includes a submodule 1310 for determining its geographical position.
  • Tag 130 can operate in a variety of ways.
  • the location of the beacon 130 can be carried out by magnetometry.
  • the determination sub-module 1310 of the geographical position of the beacon 130 generates a magnetic field propagating to the management module 20 of the boat 1 in order to enable the latter to determine the location of the beacon 130 and therefore the anchor link 10 relative to the shell 1B.
  • Magnetometry being known per se, it will not be detailed further here.
  • each beacon 130 comprises a transmitting submodule 1320 configured to transmit, for example in the frequency range between 27 Hz and 33 Hz, acoustic waves able to propagate up to transducers of the module.
  • management 20 mounted on the submerged portion of the boat 1 to allow said management module 20 to determine the location of the tag 130 and thus the anchor link 10 relative to the shell 1B.
  • acoustic wave positioning being known per se, it will not be detailed further here.
  • the location of the beacon 130 may be effected by sonar.
  • the boat 1 emits waves, for example acoustic, which are reflected on the beacon 130, the determination sub-module 1310 of the geographical position of the beacon 130 then being passive. Part of the reflected waves is received by the management module 20 of the boat 1 to allow the latter to determine the location of the tag 130 and thus the anchor link 10 relative to the shell 1B.
  • the sonar positioning is known in itself, it will not be detailed further here.
  • the location of the beacon 130 can be carried out using in particular the propagation time of submarine waves.
  • the boat 1 comprises at least one transmitter (not shown) fixed on the immersed part of its shell 1B in order to emit waves, for example acoustic, to the beacon or beacons 130.
  • the sub-module of determination 1310 of the geographical position of each beacon 130 receives these waves and determines, from these waves, its relative position with respect to the transmitter of the boat 1. More specifically, the beacon 130 determines in a known manner the angle of azimuth, the elevation angle and the distance to the transmitter from the received waves. The azimuth angle and the elevation angle can be determined from the relative wave arrival time without the need to use a reference of absolute time.
  • the distance can be determined by measuring the propagation delay of the waves emitted by each of the transmitters fixed on the hull. To do this, the waves can be emitted by the transmitter at a known predetermined time of each beacon 130 so as to deduce the propagation delay and therefore the distance (the propagation speed of the waves being predetermined and known from each beacon 130 ). Alternatively, the distance can be determined from the depth of the tag 130 (which may for example be given by a pressure sensor embedded in the tag 130). The azimuth angle, the elevation angle and the distance from the boat 1 make it possible to determine the relative three-dimensional position of each beacon 130 relative to the boat 1. Each beacon 130 comprises a sub-module 1320 of transmission configured to send the position information relating to the management module 20 of the boat 1 so that the latter determines the position of the anchor link 10 relative to the hull 1B of the boat 1.
  • each tag 130 could be achieved by any other suitable method, for example by triangulation.
  • the determination sub-module 1310 could determine itself, preferably periodically, an absolute position of the tag 130, defined for example by its geographical coordinates, that it would send then, via the transmit sub-module 1320, the management module 20 so that it determines the position of the anchor link 10 relative to the shell 1B.
  • the management module 20 makes it possible to determine the position of the wetting line 110 with respect to the boat 1.
  • the management module 20 comprises a submodule 200 for receiving at least one signal from each beacon 130 and a sub-module 210 for locating the anchor link 10.
  • the receiving sub-module 200 is configured to receive one or more signals from each beacon 130, these signals enabling the location sub-module 210 to locate the anchor link 10 as explained below. According to the location method chosen, as described above, these signals represent or include a location information of each tag 130.
  • the locating sub-module 210 of the anchor link 10 is configured to determine the position of the anchor link 10 with respect to the hull 1B of the boat 1 from signals received from the beacons 130 by the receiving sub-module. As described above, several methods can be used to determine the position of the anchor link relative to the hull 1B of the boat 1. Four methods are presented here, which is in no way limiting the scope of the present invention. any other suitable method that can be used.
  • the location of the anchor link 10 can be effected by magnetometry.
  • the management module 20 of the boat 1 measures the magnetic field generated by each beacon 130 in order to determine the position of the anchor link 10 relative to the shell 1B.
  • the location of the anchoring link 10 can be performed by acoustic positioning.
  • the management module 20 determines the position of the anchoring link 10 with respect to the shell 1B by using acoustic waves generated by each of the beacons 130.
  • the location of the anchor link 10 may be effected by sonar.
  • the boat 1 comprises a transmitter (not shown) of waves, for example acoustic, which are reflected on the beacon 130. Part of the reflected waves is received by a receiver (not shown) of the boat 1 connected to the sub receiving module 200 of the management module 20 to allow the location sub-module 210 to determine the location of the tag 130 and thus the anchor link 10 relative to the shell 1B.
  • the location of the anchor link 10 can be performed using the submarine wave propagation delay.
  • the boat 1 comprises at least one transmitter (not shown) fixed on the immersed part of its shell 1B in order to emit waves, for example acoustic, to the beacon or beacons 130.
  • the sub-module of 1310 determination of the geographical position of each tag 130 receives these waves, determines, from these waves, its relative position with respect to the transmitter of the boat 1, as described above, then the submodule transmission 1320 of each tag 130 sends this position information relative to the management module 20 of the boat 1 so that it determines the position of the anchor link 10 relative to the shell 1B of the boat 1.
  • the management module 20 further comprises a surrounding obstacle location sub-module 220, a submodule 230 for determining a displacement surface of the boat 1, a determination sub-module 240 of a trajectory of the boat 1, a display screen 250, and a send submodule 260.
  • the surrounding obstacle location sub-module 220 is configured to locate obstacles 3 surrounding the vessel 1 (with reference to the figure 5 ) such as, for example, other boats, rocks or any surrounding element that could damage the boat 1 in the event of a collision.
  • the surrounding obstacle location sub-module 3 preferably comprises a radar or a scanner making it possible to determine the position of the surrounding obstacles 3 around the boat 1.
  • the location sub-module 220 may also include a sonar. to determine the relief of the seafloor 2B or be configured to receive and / or store a relief map of the seabed 2B around the boat 1, this relief can then be taken into account to anticipate the risk of blockage of the anchor 120 or the mooring line 110 by armourstone.
  • the determination sub-module 230 is configured to determine an SD surface of displacement of the boat 1 from the position of the anchor link 10. More precisely, in this example, the determination sub-module 230 makes it possible to draw a circle around the boat 1 originating from the anchor 120 and for radius the projection on the terrestrial horizontal of the length of the mooring line 110 plus the length of the boat 1 to determine the risk of collision with the surrounding obstacles 3.
  • the trajectory determination sub-module 240 is configured to determine a trajectory of the boat 1 enabling it to raise the anchor 120 in complete safety. This trajectory is determined from the position of the boat 1, the position of the anchor link 10 and the position of the surrounding obstacles 3, located by the location sub-module 220. The preferred trajectory is preferably that which follows overall the position of the anchor line 110 until the boat 1 is positioned vertically to the anchor 120 while maintaining an appropriate safety distance from the surrounding obstacles 3.
  • the boat 1 is preferably directed on a trajectory allowing the mooring chain 110 to remain, during its lifting, in a vertical position from the seabed to the boat 1 (so-called “basic" trajectory which corresponds to the projection on the surface plane of the water of the curve representing the chain of wetting 110 placed on the seabed) or possibly slightly inclined in order to disengage from an underwater obstacle (so-called avoidance trajectory).
  • This determination sub-module 240 warns in particular of the impossibility of performing the lifting maneuver of the anchor 120 in the case where it would be below another boat mooring.
  • the display screen 250 is configured to display a position of the anchor link 10 determined by the location sub-module 210, to display obstacles 3 surrounding the boat 1 (located by the sub-module 220), for displaying a boat moving surface 1 determined by the determination sub-module 230 and / or for displaying a trajectory determined by the trajectory determination sub-module 240.
  • the display screen 250 can for example include a marine mapping monitor to display the position of the boat 1, the anchor link 10 and surrounding obstacles 3 relative to the relief of the seabed 2B.
  • the management module 20 is configured to alert a user of the boat 1 of a risk of collision with a surrounding obstacle 3.
  • the sending submodule 260 is configured to send the location of the anchor link 10 determined by the location sub-module 210 to a user equipment 5 which can be located on the boat 1 as well as outside the boat 1
  • the position of the anchor link 10 can thus be displayed on a user equipment 5 of the smartphone type in order to monitor the boat 1 at anchor when the user (s) of the boat 1 are on the ground.
  • the autopilot module is configured to automatically control the boat 1, in particular from a determined trajectory provided by the trajectory determination sub-module 240.
  • Such an autopilot module being known per se, it will not be detailed. more here.
  • the method according to the invention allows the location of the anchoring link 10 of the boat 1 in order to be able in particular to determine the risk of collision with the surrounding obstacles 3 during anchoring and / or when lifting the anchor.
  • the location sub-module 1310 of each locating beacon 130 of the anchor link 10 sends locating information of the beacon 130 to the boat 1, in a step E1.
  • this information may consist in the emission of a magnetic field or acoustic waves (via the transmission module 1320) to the ship 1, or in the reflection of waves emitted by the boat 1 or in the determination and sending (via the transmission module 1320) of its relative or absolute position relative to the boat 1.
  • the location sub-module 210 of the management module 20 uses this information to locate the anchor link 10 according to the chosen method, in a step E2, that is to say ie to determine the position relative to the hull 1B of the boat 1.
  • This location of the anchor link 10 can advantageously be displayed on the screen 250 in a step E3 so that the pilot of the boat 1 can view it .
  • the surrounding obstacle location sub-module 3 determines the position of the obstacles 3 surrounding the boat 1, such as other boats or flush rocks, which could present a risk of collision with the boat. 1 during its movements around the anchor 120 during the wetting. This location of the surrounding obstacles 3 may advantageously also be displayed on the display screen 250 so that the pilot of the boat 1 knows where are positioned surrounding obstacles 3 with respect to the boat 1.
  • the submodule 230 for determining a displacement surface of the boat 1 determines, in a step E5, the surface on which the boat can be caused to move around the anchor 120 once it has been moved. pier.
  • this displacement surface SD is a circle originating from the anchor 120 of the boat 1 and for radius the projection on the terrestrial horizontal of the mooring line 110 plus the length of the hull 1B of the boat 1.
  • This surface of displacement can also be determined by further using the relief of the seabed 2B, for example previously determined by the location sub-module 220.
  • a materialization of the SD moving surface can be achieved by displaying it on the screen of display 250 so that the pilot of the boat 1 can assess the risk of collision with the surrounding obstacles 3 with respect to the boat 1.
  • the determination sub-module 240 of a trajectory of the boat 1 determines, in a step E6, a trajectory allowing the boat 1 to maneuver without colliding with the surrounding obstacles 3 detected.
  • the preferred trajectory to be followed in order to raise the anchor 120 may advantageously be that which follows the position of the mooring line globally until the boat 1 is positioned perpendicular to the anchor 120 while maintaining a distance of appropriate safety relative to surrounding obstacles 3.
  • the pilot can advantageously be alerted of the impossibility of performing the lifting operation of the anchor 120 in the case where it would be below another boat at anchor.
  • the determination sub-module 240 may further determine the wind speed and direction to determine an optimized lift trajectory TJ of the anchor 120 for the boat 1 (with reference to the figure 5 ).
  • the autopilot module can then maneuver the boat 1 according to the trajectory determined in step E6 in order to raise the anchor 120 without colliding with the surrounding obstacles 3 detected.
  • the location of the anchor link 10 with respect to the boat 1 can be sent by the submodule 260 to a user equipment 5 for example from a user of the boat 1 or a third party located out of the boat to help the maneuver for example via a radio communication link (not shown).
  • the location of the anchor 120 as well as that of the surrounding obstacles 3 can be determined again, for example periodically and an alert can be issued to a user of the boat 1 to prevent a risk of collision with a surrounding obstacle 3, via the screen 250 or a user equipment 5, for example smartphone type.
  • the method according to the invention is simple, reliable and efficient and advantageously makes it possible to determine the position of the hull 1B of a boat 1 in order to prevent the risk of collision both during the anchorage and during the maneuvers necessary to lift the boat. anchor 120 or other maneuvers.
  • the invention therefore makes it possible in particular to determine the position of the anchoring link 10, to transmit it to the boat 1 and to display it, for example on a marine chart on which the position of the boat 1 itself is represented so to allow it to maneuver, to raise the anchor 120 or for any other maneuver.
  • the present invention is not limited to the examples described above and is capable of numerous variants accessible to those skilled in the art.
  • the shapes and dimensions of the boat 1 and the anchoring link 10 as well as the number and the positioning of the locator beacons 130 as shown in the figures so as to illustrate an exemplary embodiment of the invention can not be interpreted as limiting.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Traffic Control Systems (AREA)
EP16201445.0A 2015-12-04 2016-11-30 Verfahren und system zur lokalisierung einer verankerungsverbindung eines bootes Not-in-force EP3176069B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1561845A FR3044633B1 (fr) 2015-12-04 2015-12-04 Procede et systeme de localisation d'un lien d'ancrage d'un bateau

Publications (2)

Publication Number Publication Date
EP3176069A1 true EP3176069A1 (de) 2017-06-07
EP3176069B1 EP3176069B1 (de) 2019-08-28

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EP16201445.0A Not-in-force EP3176069B1 (de) 2015-12-04 2016-11-30 Verfahren und system zur lokalisierung einer verankerungsverbindung eines bootes

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH659981A5 (de) * 1983-06-22 1987-03-13 Martin W Oettli Verfahren zur ueberwachung der drift eines vor anker liegenden schiffes und einrichtung zur durchfuehrung des verfahrens.
DE3810084A1 (de) * 1988-03-25 1989-10-05 Herbert Walter Einrichtung zur anzeige der gefahr eines vertreibens vor anker liegender wasserfahrzeuge
US4912464A (en) * 1989-02-17 1990-03-27 Bachman Donald H Anchor alarm for boats and the like
DE20021739U1 (de) * 2000-12-21 2001-03-01 I For T Gmbh Bewegungs- und Neigungsüberwachungsvorrichtung
US20060207488A1 (en) * 2005-03-18 2006-09-21 Shell Oil Company Method and apparatus for handling mooring lines
US20090115622A1 (en) * 2007-10-26 2009-05-07 Brian Edward Michie Method of determining and monitoring a distance travelled by a marine vessel connected to anchor
DE202011002391U1 (de) * 2011-02-04 2011-04-07 Gillemot, Peter System zur Erkennung der Lage und der Bewegung von Ankern unter Wasser

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH659981A5 (de) * 1983-06-22 1987-03-13 Martin W Oettli Verfahren zur ueberwachung der drift eines vor anker liegenden schiffes und einrichtung zur durchfuehrung des verfahrens.
DE3810084A1 (de) * 1988-03-25 1989-10-05 Herbert Walter Einrichtung zur anzeige der gefahr eines vertreibens vor anker liegender wasserfahrzeuge
US4912464A (en) * 1989-02-17 1990-03-27 Bachman Donald H Anchor alarm for boats and the like
DE20021739U1 (de) * 2000-12-21 2001-03-01 I For T Gmbh Bewegungs- und Neigungsüberwachungsvorrichtung
US20060207488A1 (en) * 2005-03-18 2006-09-21 Shell Oil Company Method and apparatus for handling mooring lines
US20090115622A1 (en) * 2007-10-26 2009-05-07 Brian Edward Michie Method of determining and monitoring a distance travelled by a marine vessel connected to anchor
DE202011002391U1 (de) * 2011-02-04 2011-04-07 Gillemot, Peter System zur Erkennung der Lage und der Bewegung von Ankern unter Wasser

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FR3044633A1 (fr) 2017-06-09
FR3044633B1 (fr) 2019-03-22
EP3176069B1 (de) 2019-08-28

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