EP1918191A1 - Method and device to recognize the danger of drowning for a person in water. - Google Patents

Method and device to recognize the danger of drowning for a person in water. Download PDF

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Publication number
EP1918191A1
EP1918191A1 EP06023041A EP06023041A EP1918191A1 EP 1918191 A1 EP1918191 A1 EP 1918191A1 EP 06023041 A EP06023041 A EP 06023041A EP 06023041 A EP06023041 A EP 06023041A EP 1918191 A1 EP1918191 A1 EP 1918191A1
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EP
European Patent Office
Prior art keywords
person
gas
data
water
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06023041A
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German (de)
French (fr)
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EP1918191B1 (en
Inventor
Jürgen Puls
Frank Richard Dr. Faßbender
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to PT06023041T priority Critical patent/PT1918191E/en
Priority to DE502006002838T priority patent/DE502006002838D1/en
Priority to EP06023041A priority patent/EP1918191B1/en
Priority to AT06023041T priority patent/ATE422464T1/en
Priority to BRPI0718361-5A priority patent/BRPI0718361B1/en
Priority to AU2007316994A priority patent/AU2007316994B2/en
Priority to PCT/EP2007/009240 priority patent/WO2008055593A1/en
Priority to JP2009535013A priority patent/JP5155328B2/en
Priority to CN2007800408822A priority patent/CN101535120B/en
Publication of EP1918191A1 publication Critical patent/EP1918191A1/en
Publication of EP1918191B1 publication Critical patent/EP1918191B1/en
Application granted granted Critical
Priority to US12/387,690 priority patent/US20090280705A1/en
Priority to US13/068,745 priority patent/US8613637B2/en
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/0005—Life-saving in water by means of alarm devices for persons falling into the water, e.g. by signalling, by controlling the propulsion or manoeuvring means of the boat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/125—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments
    • B63C9/1255—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments inflatable
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
    • G08B21/088—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water by monitoring a device worn by the person, e.g. a bracelet attached to the swimmer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C2009/0017—Life-saving in water characterised by making use of satellite radio beacon positioning systems, e.g. the Global Positioning System [GPS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C2009/0023—Particular features common to inflatable life-saving equipment
    • B63C2009/0029—Inflation devices comprising automatic activation means, e.g. for puncturing gas-generating cartridges
    • B63C2009/0064—Inflation devices using pyrotechnic means and comprising automatic activation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a method for detecting the drowning risk for a person in the water and a device for its implementation.
  • FIG. 2006/0019560 A1 such a device having a water contact sensor, a pulse sensor, a gas supply device, a trigger device for releasing a gas from the gas supply device, at least one gas chamber arranged on the body of the person using the device for receiving the gas from the gas supply device, a position determining device with respect to the person in the water, a transmitter for transmitting status and position data from the device to a remote receiver and at least one power source for the functional units of the device.
  • the known device is helpful in certain emergency situations, in many other cases it provides only inadequate protection against drowning death. People react very differently in life-threatening situations. Depending on the situation and the disposition of the affected person, for example, the respiratory rate may change without an immediate significant change in the pulse rate. The latter is then no reliable indication that the person is in a critical situation. In such a case, at least one further state variable of the person would have to be available at the same time in order to be able to recognize the danger situation quickly and clearly. For optimal safety, however, even more sizes are required, also in view of the risk that the transmission of one or the other size does not work for some reason.
  • the device For such a facility to work reliably in as many situations as possible, it should not only measure data on the physical condition of the person at risk and transmit it to the monitoring site. Rather, it would be desirable that the device also provides such information, which are independent of the physical condition of the monitored person and still signal an existing threat to them.
  • the invention is therefore based on the object for a person exposed in the water drowning risk provide a method and a device that makes in all possible cases with high security on the danger of the person aware and automatically initiates a first aid measure, the device respond should, if one or more essential body functions of the person leave the normal range and / or other, independent of the physical condition of the person indicators of the risk of drowning the person give.
  • the respiratory rate is measured due to the abdominal or chest breathing of the person at risk.
  • the filling of the gas chamber with gas is triggered electrically or pyrotechnically.
  • GPS system Global Positioning System
  • a very reliable measurement of the body position of the person in the water is achieved by the simultaneous use of two position sensors.
  • the device according to the invention has the advantage that, in comparison with the prior art, it detects a larger number of measured variables which give indications of the drowning risk for the person in question in the water. Thus, the security for a timely rescue of the person is significantly increased.
  • the invention not only measures with respect to body functions of the person monitored but also other physical variables are observed, informing about a possible danger to the person. When exceeding predetermined limits of said sizes, the device triggers an alarm and allows the initiation of immediate relief measures to rescue the person at risk.
  • the aforementioned measures with respect to the body functions are the pulse rate and the respiratory frequency.
  • the mentioned, independent physical quantities are the water pressure in the immediate vicinity of the person and the body position of the person in the water.
  • the water contact sensor used in the invention is known per se and is commercially available in various embodiments (for example, from Conrad Electronik, Hirschau, article number 750201-62 as a switch or article No. 610373-62 as a film, respectively omitting the connected alarm siren).
  • the water contact sensor determines if the person in question is in the water. Its operating principle is based on an open circuit, which is closed by contact with electrically conductive water.
  • the pulse sensor used in the invention is known per se and commercially available (for example from the company Polar Electro GmbH Germany, Büttelborn, item name: S810i, heart rate monitor for scientific and medical purposes).
  • the pulse sensor continuously measures the pulse rate of the person.
  • the gas supply device used in the invention is known per se and commercially available (for example, manufactured by the company SKS, article name: Airgun cartouche, source company HiBike, Kronberg i Ts., Article No. 84140071).
  • the device is designed such that it releases a predetermined amount of gas when activated.
  • the apparatus includes an opening mechanism for the gas delivery device.
  • the opening mechanism exists z. B. from a fused body, which is heated by supplying electrical energy and softens a membrane. Due to the softening of the membrane ruptures this and releases the gas from its reservoir, which can then flow into the arranged on the person's body gas chamber.
  • the gas chamber used in the context of the invention and arranged on the body of the person is preferably integrated into a life jacket.
  • Such vests are known and commercially available (for example from company Globetrotter, Bargkoppelumble 10-14, 22145 Hamburg, model "Helly Hansen Kid Safe”).
  • the position determining device used in the invention is likewise known per se and is commercially available (for example from the company Garmin, branch in the Federal Republic of Germany: GPS GmbH, Lochhamer Schlag 5a, 82166 Gräfelfing).
  • the device operates according to a conventional GPS system and has a GPS receiver which is attached, for example, to the life jacket of the person.
  • the receiver continuously determines the current position of the person in the water.
  • the operating principle of the GPS system corresponds to that of known navigation devices for motor vehicles.
  • the transmitter used in the invention is known per se and commercially available (for example, from the company Conrad electronics, Claus Conrad Str 1, 92240 Hirschau). It serves, if necessary, critical data of functional units of the device according to the invention and the last of the GPS receiver stored To transmit position data by radio to a remote receiver, for example to a mobile phone or other receiving device, and to trigger an alarm there.
  • the transmitter is preferably a UHF or VHF transmitter.
  • the energy source used in the invention may be any source of energy known to those skilled in the art for purposes herein, for example, one or more batteries.
  • each technical unit of the device that requires a power source is equipped with its own battery.
  • the respiration sensor used in accordance with the invention is known per se and is commercially available (for example from the company SimTest - Bruno Zak, Simbach / Inn, item designation: Atemgürtel).
  • the sensor continuously determines whether the person is breathing in the water and at what frequency this happens.
  • the water pressure sensor used according to the invention is known per se and is commercially available (for example, from Conrad Elektronik, Claus-Conrad-Str. 1, 92240 Hirschau). He continuously measures the water depth in which the person is located, and thus possibly also the sinking speed of the person.
  • the position sensor used according to the invention is known per se and commercially available (for example from the aforementioned company SimTest - Bruno Zack).
  • the position sensor is attached to the body of the person concerned or to one of their garments and continuously determines the body position of the person in the water, for example, the upright position, the supine position, the left position, the legal position and the vertical position with the head down and corresponding intermediate layers.
  • the evaluation and signal unit used according to the invention is not known as such. However, with knowledge of the functions to be performed by it, it can be produced by a person skilled in the field of data processing.
  • One of these features is storing data on a microchip. These are the data which are determined by the water contact sensor, the pulse sensor, the position determination device, the energy source, the respiration sensor, the water pressure sensor and the position sensor and transmitted to the evaluation and signal unit.
  • the energy source it is data that shows whether the energy supply is still sufficient for reliable operation of the device. If this is no longer the case, the evaluation and signal unit triggers an alarm signal for safety reasons.
  • limit value data for the abovementioned functional units of the device according to the invention as well as combinations of such limit value data are stored on the microchip.
  • the data transmitted to the evaluation and signal unit are continuously compared with the corresponding limit value data or combinations thereof. If a state is thereby determined in which one or more of the limit values are exceeded or their combination is typical for an emergency situation of the monitored person, the evaluation and signal unit sends signals to the triggering device of the gas supply device and to the transmitter.
  • the transmitter can also transmit the status and position data to the receiver at predetermined time intervals or continuously, even if the limit value has not yet been exceeded.
  • the measured variables of three functional units of the device according to the invention are normally required, that is, a selection from the units water contact sensor, pulse sensor, respiration sensor, water pressure sensor and position sensor.
  • Preferably limit value profiles are programmed in the evaluation and signal unit, each containing a fourth measured variable in addition to the three required sizes to ensure that the device still fully fulfills its task in the event of failure of a measured variable.
  • the water contact sensor is formed as a switch or film.
  • the film carries two separate contacts, which are bridged when in contact with water. A current can flow through this conductor bridge so that the sensor switches.
  • the gas supply device is filled with compressed air cartridge.
  • the triggering device for releasing the gas from the gas supply device has an opening mechanism which can be activated electrically or pyrotechnically.
  • the gas-inflatable gas chamber is integrated into a life jacket or other equivalent garment.
  • the gas chamber is expediently divided into several chambers or formed in the form of hoses.
  • the gas chamber is sized and positioned in the life jacket or garment so as to give the person in the water a definite buoyancy after filling with the gas, ensuring that it floats to the water surface and faces above the water surface Water surface is located.
  • the respiration sensor is designed as a belt buckle on a breathing belt.
  • the sensor is cast in a web of the buckle.
  • the sensor contains a piezoelectric element responsive to respiratory microbending of the web.
  • the respiration sensor can detect both the abdominal breathing and the chest breathing.
  • the respiration sensor can detect both the abdominal breathing and the chest breathing.
  • the respiratory rate it can be seen whether the person has an emergency situation, which normally manifests itself in two different states. In one case, in the case of fainting or drowning of the person respiratory arrest occurs. In the other case introduces Panic or anxiety to an extremely fast breathing or panting.
  • the water pressure sensor is preferably designed for a continuous determination of the water depth and the descent rate of the person concerned. These variables are independent of the measured quantities of the person's physical condition, but also provide important information about the degree of endangerment of the person.
  • two position sensors are used, one of which is designed for attachment approximately at shoulder height and the other for attachment approximately at waist height of the person.
  • the person's body positions determined by them are output, for example, as different voltage levels in the range of 0 to 4 volts.
  • the person using the device according to the invention wears a life jacket 1 with gas chambers 2 (not shown in the drawing).
  • a life jacket 1 At the life jacket 1 are a water contact sensor 3, a gas supply device 4 with a tripping device 5 (not shown in the drawing) to release a gas the gas supply device 4, a position determining device 6 with a (not shown in the drawing) UHF transmitter 7, a water pressure sensor 8, a first position sensor 9 in the hip area of the person, a second position sensor 10 in the shoulder region of the person and an evaluation and signal unit 11 attached ,
  • the person in the chest area wears a pulse sensor 12 and a respiration sensor 13.
  • the device according to the invention also includes a receiver 14 located at a remote location for the reception of data which the transmitter 7 transmits.
  • a battery is provided in the units therein.
  • the water contact sensor 3 determines whether the person is in the water. If this is the case, condition (C) is satisfied, that is, the device is "armed” and the functional units necessary for monitoring the person are activated.
  • the respiration sensor 13 continuously measures the respiration rate
  • the pulse sensor 12 continuously measures the pulse rate
  • the position sensors 9, 10 each continuously measure whether there is a horizontal or vertical body position of the person (position I measured by position sensor 9, position II measured by position sensor 10)
  • the pressure sensor 8 continuously measures the water pressure at waist height of the person.
  • the condition (A) is fulfilled when the respiratory frequency exceeds an upper limit value f 1 ( ⁇ t) or falls below a lower limit value f 2 ( ⁇ t).
  • the condition (B) is satisfied when the pulse frequency exceeds an upper limit value f 3 ( ⁇ t) or falls below a lower limit value f 4 ( ⁇ t).
  • condition (D) is fulfilled if both position sensors 9, 10 each measure the vertical body position of the person.
  • the condition (E) is satisfied when the pressure sensor 8 measures a pressure exceeding a prescribed limit.
  • the unit triggers corresponding signals. On the one hand, these go to the transmitter 7, which triggers an alarm by radio transmission at the receiver 14 and there also displays the current critical data according to the conditions (A), (B), (D) and (E).
  • the evaluation and signal unit 11 also gives a signal to the triggering device 5 with the result that the opening mechanism of the gas supply device 4 is activated is and the gas flowing from there enters the gas chambers 2 of the life jacket 1. This is inflated and gives the person in the water a sufficiently large buoyancy that lifts them to the water surface and ensures that the person's face remains above the water surface.
  • the current position of the person in the water at the receiver 14 is transmitted by means of the position determining device 6.
  • This is preferably a screen-equipped mobile phone or similar mobile device.
  • the position determining device 6 generates an arrow mark on the screen of the receiver 14 as in a conventional navigation device of a motor vehicle and indicates the distance to the person in danger in meters.
  • the arrow display is continuously aligned with this person.
  • the method according to the invention and the device according to the invention can also be designed such that, apart from condition (C), only a selection of the remaining conditions (A), (B), (D) and (E) must be fulfilled for the triggering of an alarm.

Abstract

The method involves measuring the persons breathing rate. The pressure at the water depth of the person is measured. The position of the person body is measured. An evaluation unit or signaling unit is provided for comparing the limit value data and generated data with one another and if required, the gas chamber is filled with gas and an alarm is triggered. An independent claim is also included for the device for detecting risk of person drowning in water.

Description

Die Erfindung betrifft ein Verfahren zum Erkennen der Ertrinkungsgefahr für eine Person im Wasser und eine Einrichtung zu dessen Durchführung.The invention relates to a method for detecting the drowning risk for a person in the water and a device for its implementation.

Es ist allgemein bekannt, daß weltweit jedes Jahr zahlreiche Menschen dem Ertrinkungstod zum Opfer fallen, nur weil sie im Wasser in eine Notsituation geraten sind, die von anderen Personen nicht bemerkt wird. Die Gefahr des Ertrinkens besteht vielerorts, zum Beispiel in Seen, Flüssen oder im Meer, in öffentlichen Badeanstalten oder in privaten Swimmingpools. In sehr vielen dieser Fälle wäre eine Rettung ohne Weiteres möglich, wenn die Notsituation sofort von anderen Personen erkannt und die entsprechende Rettungsmaßnahme eingeleitet würde. Häufig entscheiden wenige Minuten oder gar Sekunden über Leben oder Tod der gefährdeten Person.It is well known that many people around the world fall victim to drowning every year just because they are in an emergency situation in the water that is unrecognized by other people. The danger of drowning exists in many places, for example in lakes, rivers or in the sea, in public baths or in private swimming pools. In many of these cases, a rescue would be readily possible if the emergency situation was immediately recognized by other people and the appropriate rescue action would be initiated. Frequently, a few minutes or even seconds determine the life or death of the person at risk.

Einrichtungen, mit denen Personen vor dem Ertrinkungstod bewahrt werden sollen, sind an sich bekannt. Beispielsweise beschreibt die US 2006/0019560 A1 eine solche Einrichtung mit einem Wasserkontaktsensor, einem Pulssensor, einer Gasbereitstellungsvorrichtung, einer Auslösevorrichtung zur Freigabe eines Gases aus der Gasbereitstellungsvorrichtung, mindestens einer am Körper der die Einrichtung benutzenden Person angeordneten Gaskammer zur Aufnahme des Gases aus der Gasbereitstellungsvorrichtung, einer Positionsbestimmungsvorrichtung bezüglich der Person im Wasser, einem Sender zur Übermittlung von Zustands- und Positionsdaten von der Einrichtung an einen entfernten Empfänger sowie mindestens einer Energiequelle für die Funktionseinheiten der Einrichtung.Facilities intended to protect persons from drowning are known per se. For example, this describes US 2006/0019560 A1 such a device having a water contact sensor, a pulse sensor, a gas supply device, a trigger device for releasing a gas from the gas supply device, at least one gas chamber arranged on the body of the person using the device for receiving the gas from the gas supply device, a position determining device with respect to the person in the water, a transmitter for transmitting status and position data from the device to a remote receiver and at least one power source for the functional units of the device.

Obwohl die bekannte Einrichtung in bestimmten Notsituationen hilfreich ist, bietet sie in vielen anderen Fällen nur einen unzureichenden Schutz vor dem Ertrinkungstod. Menschen reagieren in lebensbedrohenden Situationen sehr unterschiedlich. Je nach Situation und auch Veranlagung der betroffenen Person kann sich beispielsweise die Atmungsfrequenz ohne eine sofortige wesentliche Änderung der Pulsfrequenz ändern. Die letztere ist dann kein zuverlässiges Anzeichen dafür, daß sich die Person in einer kritischen Lage befindet. In einem solchen Fall müßte gleichzeitig mindestens eine weitere Zustandsgröße der Person zur Verfügung stehen, um deren Gefahrenlage rasch und eindeutig erkennen zu können. Für eine optimale Sicherheit sind aber noch mehr Größen erforderlich, auch im Hinblick auf das Risiko, daß die Übermittlung der einen oder anderen Größe aus irgendwelchen Gründen nicht funktioniert.Although the known device is helpful in certain emergency situations, in many other cases it provides only inadequate protection against drowning death. People react very differently in life-threatening situations. Depending on the situation and the disposition of the affected person, for example, the respiratory rate may change without an immediate significant change in the pulse rate. The latter is then no reliable indication that the person is in a critical situation. In such a case, at least one further state variable of the person would have to be available at the same time in order to be able to recognize the danger situation quickly and clearly. For optimal safety, however, even more sizes are required, also in view of the risk that the transmission of one or the other size does not work for some reason.

Damit eine solche Einrichtung in möglichst allen denkbaren Situationen zuverlässig arbeitet, sollte sie auch nicht nur Daten zur körperlichen Verfassung der gefährdeten Person messen und an den Überwachungsort übermitteln. Vielmehr wäre wünschenswert, daß die Einrichtung auch solche Informationen liefert, die vom körperlichen Zustand der überwachten Person unabhängig sind und trotzdem eine bestehende Gefahr für diese signalisieren.For such a facility to work reliably in as many situations as possible, it should not only measure data on the physical condition of the person at risk and transmit it to the monitoring site. Rather, it would be desirable that the device also provides such information, which are independent of the physical condition of the monitored person and still signal an existing threat to them.

Bezüglich dieser weitergehenden Erfordernisse sind die bekannten Einrichtungen aber noch unbefriedigend.With regard to these further requirements, however, the known devices are still unsatisfactory.

Deshalb besteht ein dringendes Bedürfnis nach einer Vervollkommnung der bekannten Verfahrensweisen und Einrichtungen dahingehend, daß sie in den unterschiedlichsten Situationen zuverlässig sind und somit für viele Menschen das Gefahrenpotential des Ertrinkens deutlich vermindern. Die Sicherheit, dadurch Leben zu retten, würde im gleichen Maße erheblich steigen. Betroffen sind dabei vor allem Kinder, die mangels Erfahrung den Ernst einer Gefahrenlage oft nicht schnell genug erkennen, aber auch ältere Menschen, deren Erfassungs- und Reaktionsvermögen altersbedingt vermindert ist, was ein rasches Handeln in einer Notsituation, z. B. bei einem plötzlichen Schwächeanfall, ausschließt.Therefore, there is an urgent need to perfect the known methods and devices to be reliable in a wide variety of situations, thus significantly reducing the risk of drowning for many people. The security of saving lives would increase considerably. Affected are especially children, the lack of experience, the seriousness of a dangerous situation often do not recognize fast enough, but also older people, whose detection and reaction capacity is age-related, what a swift action in an emergency situation, eg. B. in a sudden weakness, excludes.

Der Erfindung liegt daher die Aufgabe zugrunde, für eine im Wasser der Ertrinkungsgefahr ausgesetzte Person ein Verfahren und eine Einrichtung bereitzustellen, die in möglichst allen denkbaren Fällen mit hoher Sicherheit auf die Gefahrenlage der Person aufmerksam macht und automatisch eine erste Hilfsmaßnahme einleitet, wobei die Einrichtung ansprechen soll, wenn eine oder mehrere wesentliche Körperfunktionen der Person den normalen Bereich verlassen und/oder andere, vom körperlichen Zustand der Person unabhängige Meßgrößen Hinweise auf die Gefahr des Ertrinkens der Person geben.The invention is therefore based on the object for a person exposed in the water drowning risk provide a method and a device that makes in all possible cases with high security on the danger of the person aware and automatically initiates a first aid measure, the device respond should, if one or more essential body functions of the person leave the normal range and / or other, independent of the physical condition of the person indicators of the risk of drowning the person give.

Diese Aufgabe löst die Erfindung durch ein Verfahren zum Erkennen der Ertrinkungsgefahr für eine Person im Wasser, wobei

  1. (a) festgestellt wird, ob sich die Person im Wasser befindet,
  2. (b) die Pulsfrequenz der Person gemessen wird,
  3. (c) die Position der Person bestimmt wird,
  4. (d) die Kapazität mindestens einer an der Person angebrachten Energiequelle überwacht wird,
  5. (e) bei Bedarf Zustands- und Positionsdaten von der Person an einen entfernten Empfänger übertragen werden,
  6. (f) beim Überschreiten eines vorgegebenen Grenzwerts der Pulsfrequenz der Person eine an deren Körper befindliche Gaskammer mit einem Gas gefüllt und dadurch der Person ein ausreichender Auftrieb im Wasser verliehen wird sowie
  7. (g) beim Überschreiten des genannten Grenzwerts in dem entfernten Empfänger ein Alarm ausgelöst wird.
    Das Verfahren ist dadurch gekennzeichnet, daß ferner
  8. (h) die Atmungsfrequenz der Person gemessen wird,
  9. (i) der Druck in der Wassertiefe, in der sich die Person befindet, sowie gegebenenfalls die Sinkgeschwindigkeit der Person gemessen werden,
  10. (j) die Körperlage der Person gemessen wird und
  11. (k) in einer Auswerte- und Signaleinheit einerseits vorgegebene Grenzwertdaten und andererseits die gemäß den Stufen (a) bis (e) sowie (h) bis (j) erzeugten Daten gespeichert und miteinander verglichen werden, wobei im Fall des Überschreitens bestimmter Grenzwertdaten die genannte Gaskammer mit Gas gefüllt und in dem entfernten Empfänger ein Alarm ausgelöst wird.
This object is achieved by the invention by a method for detecting the drowning risk for a person in the water, wherein
  1. (a) it is determined if the person is in the water,
  2. (b) the pulse rate of the person is measured
  3. (c) the position of the person is determined
  4. (d) the capacity of at least one energy source attached to the person is monitored,
  5. (e) if required, transmitting status and position data from the person to a remote receiver,
  6. (F) when a predetermined limit of the pulse rate of the person exceeds a gas chamber located on the body filled with a gas and thereby the person is given a sufficient buoyancy in the water and
  7. (g) an alarm is triggered when said limit value is exceeded in the remote receiver.
    The method is characterized in that further
  8. (h) the respiratory rate of the person is measured
  9. (i) the pressure in the water depth in which the person is located and, if appropriate, the rate of descent of the person are measured,
  10. (j) the body position of the person is measured and
  11. (k) stored in an evaluation and signal unit on the one hand predetermined threshold data and on the other hand the data generated according to the steps (a) to (e) and (h) to (j) data and compared with each other, wherein in the case of exceeding certain threshold data, said Gas chamber filled with gas and in the remote receiver an alarm is triggered.

In den Verfahrensunteransprüchen sind bevorzugte Ausführungsformen des erfindungsgemäßen Verfahrens angegeben.The method subclaims specify preferred embodiments of the method according to the invention.

Demnach wird die Atmungsfrequenz aufgrund der Bauch- oder Brustatmung der gefährdeten Person gemessen.Accordingly, the respiratory rate is measured due to the abdominal or chest breathing of the person at risk.

Ferner ist zweckmäßig, daß das Füllen der Gaskammer mit Gas elektrisch oder pyrotechnisch ausgelöst wird.It is also expedient that the filling of the gas chamber with gas is triggered electrically or pyrotechnically.

Besonders vorteilhaft ist es auch, wenn die Bestimmung der Position der Person im Wasser durch ein GPS-System (Global Positioning System) erfolgt.It is also particularly advantageous if the determination of the position of the person in the water is carried out by a GPS system (Global Positioning System).

Auch ist es technisch leicht realisierbar, die Datenübermittlung von der Auswerte- und Signaleinheit an den entfernten Empfänger mittels eines UHF- oder VHF-Senders vorzunehmen.It is also technically easy to implement the data transmission from the evaluation and signal unit to the remote receiver by means of a UHF or VHF transmitter.

Eine sehr zuverlässige Messung der Körperlage der Person im Wasser wird durch die gleichzeitige Anwendung von zwei Lagesensoren erreicht.A very reliable measurement of the body position of the person in the water is achieved by the simultaneous use of two position sensors.

Die erfindungsgemäße Aufgabe löst die Erfindung auch durch eine Einrichtung zur Durchführung des vorgenannten Verfahrens, und zwar mit

  1. (a) einem Wasserkontaktsensor,
  2. (b) einem Pulssensor,
  3. (c) einer Gasbereitstellungsvorrichtung,
  4. (d) einer Auslösevorrichtung zur Freigabe eines Gases aus der Gasbereitstellungsvorrichtung,
  5. (e) mindestens einer am Körper der Person angeordneten Gaskammer zur Aufnahme des Gases aus der Gasbereitstellungsvorrichtung,
  6. (f) einer Positionsbestimmungsvorrichtung zur Ermittlung der Position der Person,
  7. (g) einem Sender zur drahtlosen Übertragung von Zustands-und Positionsdaten an einen entfernten Empfänger,
  8. (h) dem entfernten Empfänger zur Annahme der von dem Sender übermittelten Daten sowie
  9. (i) mindestens einer Energiequelle zur Stromversorgung von Funktionseinheiten der Einrichtung.
    Die Einrichtung ist durch folgende Merkmale gekennzeichnet:
  10. (j) Einen Atmungssensor zum Messen der Atmungsfrequenz der Person,
  11. (k) einen Wasserdrucksensor,
  12. (l) mindestens einen Lagesensor zum Messen der Körperlage der Person und
  13. (m) eine Auswerte- und Signaleinheit zur Speicherung von vorgegebenen Grenzwertdaten und von Daten, die an diese Einheit übermittelt werden, sowie zur Auswertung aller dieser Daten und zur Abgabe von Signalen an die Auslösevorrichtung der Gasbereitstellungsvorrichtung und an den Sender.
The object of the invention also solves the invention by a device for carrying out the aforementioned method, with
  1. (a) a water contact sensor,
  2. (b) a pulse sensor,
  3. (c) a gas delivery device,
  4. (d) a triggering device for releasing a gas from the gas supply device,
  5. (e) at least one gas chamber arranged on the body of the person for receiving the gas from the gas supply device,
  6. (f) a position determining device for detecting the position of the person,
  7. (g) a transmitter for wireless transmission of status and position data to a remote receiver,
  8. (h) the remote receiver to accept the data transmitted by the transmitter as well
  9. (i) at least one power source for powering functional units of the device.
    The device is characterized by the following features:
  10. (j) a respiration sensor for measuring the respiratory rate of the person,
  11. (k) a water pressure sensor,
  12. (L) at least one position sensor for measuring the body position of the person and
  13. (M) an evaluation and signal unit for storing predetermined threshold data and data that are transmitted to this unit, and for the evaluation of all these data and for outputting signals to the triggering device of the gas supply device and to the transmitter.

Die erfindungsgemäße Einrichtung hat den Vorteil, dass sie im Vergleich zum Stand der Technik eine größere Anzahl an Meßgrößen erfasst, die Hinweise auf die Ertrinkungsgefahr für die betreffende Person im Wasser geben. Damit wird die Sicherheit für eine rechtzeitige Rettung der Person wesentlich erhöht. Hinzu kommt, daß bei der Erfindung nicht nur Meßgrößen bezüglich Körperfunktionen der Person überwacht sondern unabhängig davon auch andere physikalische Größen beobachtet werden, die über eine mögliche Gefahr der Person informieren. Beim Überschreiten von vorgegebenen Grenzwerten der genannten Größen löst die Einrichtung einen Alarm aus und ermöglicht die Einleitung sofortiger Hilfsmaßnahmen zur Rettung der gefährdeten Person.The device according to the invention has the advantage that, in comparison with the prior art, it detects a larger number of measured variables which give indications of the drowning risk for the person in question in the water. Thus, the security for a timely rescue of the person is significantly increased. In addition, in the invention, not only measures with respect to body functions of the person monitored but also other physical variables are observed, informing about a possible danger to the person. When exceeding predetermined limits of said sizes, the device triggers an alarm and allows the initiation of immediate relief measures to rescue the person at risk.

Die vorgenannten Meßgrößen bezüglich der Körperfunktionen sind die Pulsfrequenz und die Atmungsfrequenz. Die erwähnten, davon unabhängigen physikalischen Größen sind der Wasserdruck in unmittelbarer Umgebung der Person und die Körperlage der Person im Wasser.The aforementioned measures with respect to the body functions are the pulse rate and the respiratory frequency. The mentioned, independent physical quantities are the water pressure in the immediate vicinity of the person and the body position of the person in the water.

Der im Rahmen der Erfindung eingesetzte Wasserkontaktsensor ist an sich bekannt und in verschiedenen Ausführungsformen im Handel erhältlich (zum Beispiel von der Firma Conrad Electronik, Hirschau; Artikel-Nr. 750201-62 als Schalter oder Artikel-Nr. 610373-62 als Folie, jeweils unter Weglassen der angeschlossenen Alarmsirene). Der Wasserkontaktsensor stellt fest, ob sich die betreffende Person im Wasser befindet. Sein Funktionsprinzip beruht auf einem offenen Stromkreis, der durch Kontakt mit elektrisch leitendem Wasser geschlossen wird.The water contact sensor used in the invention is known per se and is commercially available in various embodiments (for example, from Conrad Electronik, Hirschau, article number 750201-62 as a switch or article No. 610373-62 as a film, respectively omitting the connected alarm siren). The water contact sensor determines if the person in question is in the water. Its operating principle is based on an open circuit, which is closed by contact with electrically conductive water.

Ebenso ist der im Rahmen der Erfindung eingesetzte Pulssensor an sich bekannt und im Handel erhältlich (zum Beispiel von der Firma Polar Electro GmbH Deutschland, Büttelborn; Artikelbezeichnung: S810i, Pulsuhr für wissenschaftliche und medizinische Zwecke). Der Pulssensor mißt kontinuierlich die Pulsfrequenz der Person.Likewise, the pulse sensor used in the invention is known per se and commercially available (for example from the company Polar Electro GmbH Germany, Büttelborn, item name: S810i, heart rate monitor for scientific and medical purposes). The pulse sensor continuously measures the pulse rate of the person.

Auch die im Rahmen der Erfindung eingesetzte Gasbereitstellungsvorrichtung ist an sich bekannt und im Handel erhältlich (zum Beispiel hergestellt von der Firma SKS, Artikelbezeichnung: Airgun Kartusche; Bezugsquelle Firma HiBike, Kronberg i. Ts.; Artikel Nr. 84140071). Die Vorrichtung ist derart ausgebildet, daß sie bei ihrer Aktivierung eine vorgegebene Gasmenge freisetzt.Also, the gas supply device used in the invention is known per se and commercially available (for example, manufactured by the company SKS, article name: Airgun cartouche, source company HiBike, Kronberg i Ts., Article No. 84140071). The device is designed such that it releases a predetermined amount of gas when activated.

Ferner ist die im Rahmen der Erfindung eingesetzte Auslösevorrichtung zur Freigabe des Gases aus der Gasbereitstellungsvorrichtung an sich bekannt und im Handel erhältlich. Die Vorrichtung beinhaltet einen Öffnungsmechanismus für die Gasbereitstellungsvorrichtung. Der Öffnungsmechanismus besteht z. B. aus einem Schmelzkörper, der durch Zufuhr elektrischer Energie erhitzt wird und eine Membran aufweicht. Durch das Aufweichen der Membran reißt diese auf und setzt das Gas aus seinem Vorratsbehälter frei, das dann in die am Körper der Person angeordnete Gaskammer strömen kann.Furthermore, the triggering device used in the invention for releasing the gas from the gas supply device is known per se and commercially available. The apparatus includes an opening mechanism for the gas delivery device. The opening mechanism exists z. B. from a fused body, which is heated by supplying electrical energy and softens a membrane. Due to the softening of the membrane ruptures this and releases the gas from its reservoir, which can then flow into the arranged on the person's body gas chamber.

Die im Rahmen der Erfindung eingesetzte und am Körper der Person angeordnete Gaskammer ist vorzugsweise in eine Schwimmweste integriert. Solche Westen sind bekannt und im Handel erhältlich (zum Beispiel von Firma Globetrotter, Bargkoppelstieg 10-14, 22145 Hamburg, Modell "Helly Hansen Kid Safe").The gas chamber used in the context of the invention and arranged on the body of the person is preferably integrated into a life jacket. Such vests are known and commercially available (for example from company Globetrotter, Bargkoppelstieg 10-14, 22145 Hamburg, model "Helly Hansen Kid Safe").

Die im Rahmen der Erfindung eingesetzte Positionsbestimmungsvorrichtung ist gleichfalls an sich bekannt und im Handel erhältlich (zum Beispiel von der Firma Garmin, Niederlassung in der Bundesrepublik Deutschland: GPS GmbH, Lochhamer Schlag 5a, 82166 Gräfelfing).The position determining device used in the invention is likewise known per se and is commercially available (for example from the company Garmin, branch in the Federal Republic of Germany: GPS GmbH, Lochhamer Schlag 5a, 82166 Gräfelfing).

Vorzugsweise arbeitet die Vorrichtung nach einem üblichen GPS-System und weist einen GPS-Empfänger auf, der beispielsweise an der Schwimmweste der Person angebracht ist. Der Empfänger ermittelt kontinuierlich die aktuelle Position der Person im Wasser. Das Funktionsprinzip des GPS-Systems entspricht jenem von bekannten Navigationsgeräten für Kraftfahrzeuge.Preferably, the device operates according to a conventional GPS system and has a GPS receiver which is attached, for example, to the life jacket of the person. The receiver continuously determines the current position of the person in the water. The operating principle of the GPS system corresponds to that of known navigation devices for motor vehicles.

Des weiteren ist der im Rahmen der Erfindung eingesetzte Sender an sich bekannt und im Handel erhältlich (zum Beispiel von der Firma Conrad Elektronik, Claus-Conrad-Str. 1, 92240 Hirschau). Er dient dazu, bei Bedarf kritische Daten von Funktionseinheiten der erfindungsgemäßen Einrichtung sowie die von dem GPS-Empfänger zuletzt gespeicherten Positionsdaten per Funk an einen entfernten Empfänger, zum Beispiel an ein Mobiltelefon oder ein sonstiges Empfangsgerät, zu übermitteln und dort einen Alarm auszulösen. Der Sender ist vorzugsweise ein UHF- oder VHF-Sender.Furthermore, the transmitter used in the invention is known per se and commercially available (for example, from the company Conrad electronics, Claus Conrad Str 1, 92240 Hirschau). It serves, if necessary, critical data of functional units of the device according to the invention and the last of the GPS receiver stored To transmit position data by radio to a remote receiver, for example to a mobile phone or other receiving device, and to trigger an alarm there. The transmitter is preferably a UHF or VHF transmitter.

Die im Rahmen der Erfindung eingesetzte Energiequelle kann irgendeine Energiequelle sein, die dem Fachmann für die hier vorgesehenen Zwecke geläufig ist, zum Beispiel eine oder mehrere Batterien. Vorzugsweise ist jede technische Einheit der Einrichtung, die eine Energiequelle benötigt, mit einer eigenen Batterie ausgerüstet.The energy source used in the invention may be any source of energy known to those skilled in the art for purposes herein, for example, one or more batteries. Preferably, each technical unit of the device that requires a power source is equipped with its own battery.

Der erfindungsgemäß eingesetzte Atmungssensor ist an sich bekannt und im Handel erhältlich (zum Beispiel von der Firma SimTest - Bruno Zak, Simbach/Inn; Artikelbezeichnung: Atemgürtel). Der Sensor ermittelt kontinuierlich, ob die Person im Wasser atmet und mit welcher Frequenz dies geschieht.The respiration sensor used in accordance with the invention is known per se and is commercially available (for example from the company SimTest - Bruno Zak, Simbach / Inn, item designation: Atemgürtel). The sensor continuously determines whether the person is breathing in the water and at what frequency this happens.

Ebenso ist der erfindungsgemäß eingesetzte Wasserdrucksensor an sich bekannt und im Handel erhältlich (zum Beispiel von der Firma Conrad Elektronik, Claus-Conrad-Str. 1, 92240 Hirschau). Er mißt kontinuierlich die Wassertiefe, in der sich die betreffende Person befindet, und damit gegebenenfalls auch die Sinkgeschwindigkeit der Person.Likewise, the water pressure sensor used according to the invention is known per se and is commercially available (for example, from Conrad Elektronik, Claus-Conrad-Str. 1, 92240 Hirschau). He continuously measures the water depth in which the person is located, and thus possibly also the sinking speed of the person.

Ferner ist der erfindungsgemäß eingesetzte Lagesensor an sich bekannt und im Handel erhältlich (zum Beispiel von der vorgenannten Firma SimTest - Bruno Zack). Der Lagesensor wird am Körper der betreffenden Person oder an einem ihrer Kleidungsstücke befestigt und ermittelt kontinuierlich die Körperlage der Person im Wasser, zum Beispiel die Aufrechtlage, die Rückenlage, die Linkslage, die Rechtslage und die senkrechte Lage mit dem Kopf nach unten sowie entsprechende Zwischenlagen.Furthermore, the position sensor used according to the invention is known per se and commercially available (for example from the aforementioned company SimTest - Bruno Zack). The position sensor is attached to the body of the person concerned or to one of their garments and continuously determines the body position of the person in the water, for example, the upright position, the supine position, the left position, the legal position and the vertical position with the head down and corresponding intermediate layers.

Die erfindungsgemäß eingesetzte Auswerte- und Signaleinheit ist als solche nicht bekannt. Jedoch ist sie bei Kenntnis der von ihr zu erfüllenden Funktionen von einem Fachmann auf dem Gebiet der Datenverarbeitung herstellbar. Eine dieser Funktionen ist das Speichern von Daten auf einem Mikrochip. Es sind dies die Daten, welche von dem Wasserkontaktsensor, dem Pulssensor, der Positionsbestimmungsvorrichtung, der Energiequelle, dem Atmungssensor, dem Wasserdrucksensor und dem Lagesensor ermittelt sowie an die Auswerte- und Signaleinheit übertragen werden. Im Fall der Energiequelle handelt es sich um Daten, aus denen ersichtlich ist, ob der Energievorrat für eine zuverlässige Funktion der Einrichtung noch ausreichend ist. Trifft das nicht mehr zu, löst die Auswerte- und Signaleinheit aus Sicherheitsgründen ein Alarmsignal aus.The evaluation and signal unit used according to the invention is not known as such. However, with knowledge of the functions to be performed by it, it can be produced by a person skilled in the field of data processing. One of these features is storing data on a microchip. These are the data which are determined by the water contact sensor, the pulse sensor, the position determination device, the energy source, the respiration sensor, the water pressure sensor and the position sensor and transmitted to the evaluation and signal unit. In the case of the energy source, it is data that shows whether the energy supply is still sufficient for reliable operation of the device. If this is no longer the case, the evaluation and signal unit triggers an alarm signal for safety reasons.

Ferner werden auf dem Mikrochip Grenzwertdaten für die vorgenannten Funktionseinheiten der erfindungsgemäßen Einrichtung sowie Kombinationen solcher Grenzwertdaten (z. B. Verlaufsmuster für die Pulsfrequenz) gespeichert. Mit Hilfe eines Datenverarbeitungsprogramms, das der Fachmann bei Kenntnis der gewünschten Funktion erstellen kann, werden die an die Auswerte- und Signaleinheit übermittelten Daten kontinuierlich mit den entsprechenden Grenzwertdaten oder Kombinationen hiervon verglichen. Falls dabei ein Zustand ermittelt wird, bei dem einer oder mehrere der Grenzwerte überschritten werden oder ihre Kombination für eine Notsituation der überwachten Person typisch ist, gibt die Auswerte- und Signaleinheit Signale an die Auslösevorrichtung der Gasbereitstellungsvorrichtung und an den Sender.Furthermore, limit value data for the abovementioned functional units of the device according to the invention as well as combinations of such limit value data (eg gradient patterns for the pulse frequency) are stored on the microchip. With the aid of a data processing program that the skilled person can create with knowledge of the desired function, the data transmitted to the evaluation and signal unit are continuously compared with the corresponding limit value data or combinations thereof. If a state is thereby determined in which one or more of the limit values are exceeded or their combination is typical for an emergency situation of the monitored person, the evaluation and signal unit sends signals to the triggering device of the gas supply device and to the transmitter.

Dadurch wird diese Auslösevorrichtung aktiviert und die Gasbereitstellungsvorrichtung zur Abgabe des dort freisetzbaren Gases veranlaßt, während der Sender die aktuellen Zustands- und Positionsdaten der Person an den entfernten Empfänger drahtlos übermittelt.This activates this trip device and causes the gas delivery device to deliver the gas releasable there while the transmitter wirelessly transmits the person's current status and position data to the remote receiver.

Alternativ kann der Sender die Zustands- und Positionsdaten auch in vorgegebenen Zeitabständen oder kontinuierlich an den Empfänger übertragen, selbst wenn noch keine Grenzwertüberschreitung vorliegt.Alternatively, the transmitter can also transmit the status and position data to the receiver at predetermined time intervals or continuously, even if the limit value has not yet been exceeded.

Um eine Notsituation mit ausreichender Sicherheit zu erfassen, werden normalerweise die Meßgrößen von drei Funktionseinheiten der erfindungsgemäßen Einrichtung benötigt, also von einer Auswahl aus den Einheiten Wasserkontaktsensor, Pulssensor, Atmungssensor, Wasserdrucksensor und Lagesensor. Vorzugsweise sind in der Auswerte- und Signaleinheit Grenzwertprofile programmiert, die jeweils außer den drei benötigten Größen noch eine vierte Meßgröße enthalten, um sicherzustellen, daß die Einrichtung auch beim Ausfall einer Meßgröße ihre Aufgabe noch voll erfüllt.In order to detect an emergency situation with sufficient certainty, the measured variables of three functional units of the device according to the invention are normally required, that is, a selection from the units water contact sensor, pulse sensor, respiration sensor, water pressure sensor and position sensor. Preferably limit value profiles are programmed in the evaluation and signal unit, each containing a fourth measured variable in addition to the three required sizes to ensure that the device still fully fulfills its task in the event of failure of a measured variable.

In den Einrichtungsunteransprüchen sind bevorzugte Ausführungsformen der erfindungsgemäßen Einrichtung angegeben.In the device subclaims preferred embodiments of the device according to the invention are given.

Demnach ist es bevorzugt, daß der Wasserkontaktsensor als Schalter oder Folie ausgebildet ist. Die Folie trägt zwei getrennte Kontakte, die bei Berührung mit Wasser überbrückt werden. Durch diese Leiterbrücke kann ein Strom fließen, so dass der Sensor schaltet.Accordingly, it is preferred that the water contact sensor is formed as a switch or film. The film carries two separate contacts, which are bridged when in contact with water. A current can flow through this conductor bridge so that the sensor switches.

Auch ist es in der Praxis am einfachsten und sichersten, wenn der Pulssensor an einem Brustgurt angebracht ist.Also, in practice it is easiest and safest when the pulse sensor is attached to a chest strap.

Aus Kostengründen und zur Schonung der Umwelt ist es vorteilhaft, wenn die Gasbereitstellungsvorrichtung eine mit Druckluft gefüllte Patrone ist.For cost reasons and to protect the environment, it is advantageous if the gas supply device is filled with compressed air cartridge.

Wegen der technisch einfachen Verwirklichung ist es günstig, wenn die Auslösevorrichtung zur Freigabe des Gases aus der Gasbereitstellungsvorrichtung einen elektrisch oder pyrotechnisch aktivierbaren Öffnungsmechanismus aufweist.Because of the technically simple realization, it is advantageous if the triggering device for releasing the gas from the gas supply device has an opening mechanism which can be activated electrically or pyrotechnically.

Vorzugsweise ist die mit Gas füllbare Gaskammer in eine Schwimmweste oder ein anderes entsprechendes Kleidungsstück integriert. Dabei ist die Gaskammer zweckmäßigerweise in mehrere Kammern aufgeteilt oder in Form von Schläuchen ausgebildet. In jedem Fall ist die Gaskammer derart dimensioniert und in der Schwimmweste oder dem Kleidungsstück derart positioniert, daß sie nach dem Füllen mit dem Gas der Person im Wasser einen definierten Auftrieb verleiht, der sicherstellt, daß sie an die Wasseroberfläche aufschwimmt und sich ihr Gesicht oberhalb der Wasseroberfläche befindet.Preferably, the gas-inflatable gas chamber is integrated into a life jacket or other equivalent garment. The gas chamber is expediently divided into several chambers or formed in the form of hoses. In any event, the gas chamber is sized and positioned in the life jacket or garment so as to give the person in the water a definite buoyancy after filling with the gas, ensuring that it floats to the water surface and faces above the water surface Water surface is located.

Für die praktische Handhabung der Einrichtung ist es vorteilhaft, wenn der Atmungssensor als Gürtelschnalle an einem Atemgürtel ausgebildet ist. Beispielsweise ist hierbei der Sensor in einem Steg der Schnalle eingegossen. Der Sensor enthält ein Piezoelement, das auf eine durch das Atmen bewirkte Mikrodurchbiegung des Stegs anspricht. Der Atmungssensor kann sowohl die Bauchatmung als auch die Brustatmung erfassen. An der Atmungsfrequenz ist erkennbar, ob für die Person eine Notsituation besteht, die sich normalerweise in zwei verschiedenen Zuständen äußert. Im einen Fall tritt bei einer Ohnmacht oder dem Ertrinken der Person ein Atemstillstand ein. Im anderen Falle führt ein Panik- oder Angstzustand zu einem extrem schnellen Atmen oder Hecheln.For the practical handling of the device, it is advantageous if the respiration sensor is designed as a belt buckle on a breathing belt. For example, in this case the sensor is cast in a web of the buckle. The sensor contains a piezoelectric element responsive to respiratory microbending of the web. The respiration sensor can detect both the abdominal breathing and the chest breathing. At the respiratory rate it can be seen whether the person has an emergency situation, which normally manifests itself in two different states. In one case, in the case of fainting or drowning of the person respiratory arrest occurs. In the other case introduces Panic or anxiety to an extremely fast breathing or panting.

Der Wasserdrucksensor ist vorzugsweise für eine kontinuierliche Bestimmung der Wassertiefe und der Sinkgeschwindigkeit der betreffenden Person ausgebildet. Diese Größen sind von den gemessenen Größen des Körperzustands der Person unabhängig, bilden aber gleichfalls wichtige Informationen über das Ausmaß der Gefährdung der Person.The water pressure sensor is preferably designed for a continuous determination of the water depth and the descent rate of the person concerned. These variables are independent of the measured quantities of the person's physical condition, but also provide important information about the degree of endangerment of the person.

Vorteilhafterweise werden zwei Lagesensoren benutzt, von denen der eine zur Befestigung etwa in Schulterhöhe und der andere zur Befestigung etwa in Hüfthöhe der Person ausgebildet ist. Die von ihnen ermittelten Körperlagen der Person werden beispielsweise als unterschiedliche Spannungsniveaus im Bereich von 0 bis 4 Volt ausgegeben.Advantageously, two position sensors are used, one of which is designed for attachment approximately at shoulder height and the other for attachment approximately at waist height of the person. The person's body positions determined by them are output, for example, as different voltage levels in the range of 0 to 4 volts.

Die Zeichnung erläutert die Erfindung. Es zeigen

Fig. 1
eine schematische Darstellung einer Person, die gemäß einer Ausführungsform der Erfindung die einzelnen Funktionseinheiten der erfindungsgemäßen Einrichtung an ihrem Körper trägt; und
Fig. 2
ein Fließschema, das eine Ausführungsform des erfindungsgemäßen Verfahrens erläutert.
The drawing explains the invention. Show it
Fig. 1
a schematic representation of a person who carries the individual functional units of the device according to the invention on her body according to an embodiment of the invention; and
Fig. 2
a flow diagram illustrating an embodiment of the method according to the invention.

Gemäß Fig. 1 trägt die Person welche die erfindungsgemäße Einrichtung benutzt, eine Schwimmweste 1 mit (in der Zeichnung nicht dargestellten) Gaskammern 2. An der Schwimmweste 1 sind ein Wasserkontaktsensor 3, eine Gasbereitstellungsvorrichtung 4 mit einer (in der Zeichnung nicht dargestellten) Auslösevorrichtung 5 zur Freigabe eines Gases aus der Gasbereitstellungsvorrichtung 4, eine Positionsbestimmungsvorrichtung 6 mit einem (in der Zeichnung nicht dargestellten) UHF-Sender 7, ein Wasserdrucksensor 8, ein erster Lagesensor 9 im Hüftbereich der Person, ein zweiter Lagesensor 10 im Schulterbereich der Person sowie eine Auswerte- und Signaleinheit 11 angebracht.According to FIG. 1, the person using the device according to the invention wears a life jacket 1 with gas chambers 2 (not shown in the drawing). At the life jacket 1 are a water contact sensor 3, a gas supply device 4 with a tripping device 5 (not shown in the drawing) to release a gas the gas supply device 4, a position determining device 6 with a (not shown in the drawing) UHF transmitter 7, a water pressure sensor 8, a first position sensor 9 in the hip area of the person, a second position sensor 10 in the shoulder region of the person and an evaluation and signal unit 11 attached ,

Ferner trägt die Person im Brustbereich einen Pulssensor 12 und einen Atmungssensor 13.Further, the person in the chest area wears a pulse sensor 12 and a respiration sensor 13.

Zur erfindungsgemäßen Einrichtung zählt noch ein an einem entfernten Ort befindlicher Empfänger 14 für die Aufnahme von Daten, die der Sender 7 überträgt.The device according to the invention also includes a receiver 14 located at a remote location for the reception of data which the transmitter 7 transmits.

Soweit die verschiedenen Funktionseinheiten der Einrichtung für ihren Betrieb eine Energiequelle benötigen, ist in den Einheiten darin jeweils eine Batterie vorgesehen.As far as the various functional units of the device require an energy source for their operation, a battery is provided in the units therein.

Der Ablauf des erfindungsgemäßen Verfahrens zum Erkennen der Ertrinkungsgefahr für die mit der erfindungsgemäßen Einrichtung ausgerüstete Person wird durch das Fließschema gemäß Fig. 2 erläutert und ist wie folgt:The sequence of the method according to the invention for detecting the risk of drowning for the person equipped with the device according to the invention is explained by the flow chart according to FIG. 2 and is as follows:

In Fig. 2 sind die Bedingungen (A), (B), (C), (D) und (E) angegeben.In Fig. 2, the conditions (A), (B), (C), (D) and (E) are given.

Der Wasserkontaktsensor 3 stellt fest, ob sich die Person im Wasser befindet. Wenn dies zutrifft, ist die Bedingung (C) erfüllt, das heißt, die Einrichtung ist "scharf geschaltet" und die für die Überwachung der Person nötigen Funktionseinheiten sind aktiviert.The water contact sensor 3 determines whether the person is in the water. If this is the case, condition (C) is satisfied, that is, the device is "armed" and the functional units necessary for monitoring the person are activated.

Der Atmungssensor 13 mißt kontinuierlich die Atmungsfrequenz, der Pulssensor 12 mißt kontinuierlich die Pulsfrequenz, die Lagesensoren 9, 10 messen jeweils kontinuierlich, ob eine horizontale oder vertikale Körperlage der Person vorliegt (Lage I gemessen durch Lagesensor 9, Lage II gemessen durch Lagesensor 10), und der Drucksensor 8 mißt kontinuierlich den Wasserdruck in Hüfthöhe der Person.The respiration sensor 13 continuously measures the respiration rate, the pulse sensor 12 continuously measures the pulse rate, the position sensors 9, 10 each continuously measure whether there is a horizontal or vertical body position of the person (position I measured by position sensor 9, position II measured by position sensor 10), and the pressure sensor 8 continuously measures the water pressure at waist height of the person.

Die Bedingung (A) ist erfüllt, wenn die Atmungsfrequenz einen oberen Grenzwert f1(Δt) überschreitet oder einen unteren Grenzwert f2(Δt) unterschreitet.The condition (A) is fulfilled when the respiratory frequency exceeds an upper limit value f 1 (Δt) or falls below a lower limit value f 2 (Δt).

Die Bedingung (B) ist erfüllt, wenn die Pulsfrequenz einen oberen Grenzwert f3(Δt) überschreitet oder einen unteren Grenzwert f4(Δt) unterschreitet.The condition (B) is satisfied when the pulse frequency exceeds an upper limit value f 3 (Δt) or falls below a lower limit value f 4 (Δt).

Die Bedingung (D) ist erfüllt, wenn beide Lagesensoren 9, 10 jeweils die vertikale Körperlage der Person messen.The condition (D) is fulfilled if both position sensors 9, 10 each measure the vertical body position of the person.

Die Bedingung (E) ist erfüllt, wenn der Drucksensor 8 einen Druck mißt, der über einem vorgeschriebenen Grenzwert liegt.The condition (E) is satisfied when the pressure sensor 8 measures a pressure exceeding a prescribed limit.

Wenn gemäß einer Ausführungsform des erfindungsgemäßen Verfahrens die Bedingungen (A) sowie (C), (D) und (E) oder die Bedingungen (B), (C), (D) und (E) erfüllt sind, was von der Auswerte- und Signaleinheit 11 festgestellt wird, löst die Einheit entsprechende Signale aus. Diese gehen einerseits an den Sender 7, der durch Funkübertragung beim Empfänger 14 einen Alarm auslöst und dort auch die aktuellen kritischen Daten gemäß den Bedingungen (A), (B), (D) und (E) zur Anzeige bringt. Andererseits gibt die Auswerte- und Signaleinheit 11 auch ein Signal an die Auslösevorrichtung 5 mit der Folge, daß der Öffnungsmechanismus der Gasbereitstellungsvorrichtung 4 aktiviert wird und das von dort ausströmende Gas in die Gaskammern 2 der Schwimmweste 1 eintritt. Diese wird dadurch aufgeblasen und verleiht der Person im Wasser einen ausreichend großen Auftrieb, der sie an die Wasseroberfläche hebt und sicherstellt, daß das Gesicht der Person oberhalb der Wasseroberfläche bleibt.If, according to one embodiment of the method according to the invention, the conditions (A) and (C), (D) and (E) or the conditions (B), (C), (D) and (E) are fulfilled, which depends on the evaluation and signal unit 11 is detected, the unit triggers corresponding signals. On the one hand, these go to the transmitter 7, which triggers an alarm by radio transmission at the receiver 14 and there also displays the current critical data according to the conditions (A), (B), (D) and (E). On the other hand, the evaluation and signal unit 11 also gives a signal to the triggering device 5 with the result that the opening mechanism of the gas supply device 4 is activated is and the gas flowing from there enters the gas chambers 2 of the life jacket 1. This is inflated and gives the person in the water a sufficiently large buoyancy that lifts them to the water surface and ensures that the person's face remains above the water surface.

Gleichzeitig mit dem Auslösen des Signals an den Sender 7 wird mit Hilfe der Positionsbestimmungsvorrichtung 6 die aktuelle Position der Person im Wasser an dem Empfänger 14 übertragen. Dieser ist vorzugsweise ein mit einem Bildschirm ausgerüstetes Mobiltelefon oder eine ähnliche mobile Vorrichtung. Die Positionsbestimmungsvorrichtung 6 erzeugt auf dem Bildschirm des Empfängers 14 eine Pfeildarstellung wie bei einem üblichen Navigationsgerät eines Kraftfahrzeugs und gibt die Entfernung zu der in Gefahr geratenen Person in Metern an. Die Pfeildarstellung ist kontinuierlich auf diese Person ausgerichtet. Damit kann eine Hilfsperson sehr schnell an den Ort der Person im Wasser gelangen und entsprechende Rettungsmaßnahmen einleiten.Simultaneously with the triggering of the signal to the transmitter 7, the current position of the person in the water at the receiver 14 is transmitted by means of the position determining device 6. This is preferably a screen-equipped mobile phone or similar mobile device. The position determining device 6 generates an arrow mark on the screen of the receiver 14 as in a conventional navigation device of a motor vehicle and indicates the distance to the person in danger in meters. The arrow display is continuously aligned with this person. Thus, an assistant can very quickly get to the place of the person in the water and initiate appropriate rescue measures.

Das erfindungsgemäße Verfahren und die erfindungsgemäße Vorrichtung können auch derart ausgebildet sein, daß außer der Bedingung (C) nur eine Auswahl der restlichen Bedingungen (A), (B), (D) und (E) für die Auslösung eines Alarms erfüllt sein muß.The method according to the invention and the device according to the invention can also be designed such that, apart from condition (C), only a selection of the remaining conditions (A), (B), (D) and (E) must be fulfilled for the triggering of an alarm.

Claims (19)

Verfahren zum Erkennen der Ertrinkungsgefahr für eine Person im Wasser, wobei (a) festgestellt wird, ob sich die Person im Wasser befindet, (b) die Pulsfrequenz der Person gemessen wird, (c) die Position der Person bestimmt wird, (d) die Kapazität mindestens einer an der Person angebrachten Energiequelle überwacht wird, (e) bei Bedarf Zustands- und Positionsdaten von der Person an einen entfernten Empfänger übertragen werden, (f) beim Überschreiten eines vorgegebenen Grenzwerts der Pulsfrequenz der Person eine an deren Körper befindliche Gaskammer mit einem Gas gefüllt und dadurch der Person ein ausreichender Auftrieb im Wasser verliehen wird sowie (g) beim Überschreiten des genannten Grenzwerts in dem entfernten Empfänger ein Alarm ausgelöst wird,
dadurch gekennzeichnet, daß ferner (h) die Atmungsfrequenz der Person gemessen wird, (i) der Druck in der Wassertiefe, in der sich die Person befindet, sowie gegebenenfalls die Sinkgeschwindigkeit der Person gemessen werden, (j) die Körperlage der Person gemessen wird und (k) in einer Auswerte- und Signaleinheit einerseits vorgegebene Grenzwertdaten und andererseits die gemäß den Stufen (a) bis (e) sowie (h) bis (j) erzeugten Daten gespeichert und miteinander verglichen werden, wobei im Fall des Überschreitens bestimmter Grenzwertdaten die genannte Gaskammer mit Gas gefüllt und in dem entfernten Empfänger ein Alarm ausgelöst wird. A method for detecting the risk of drowning for a person in the water, wherein (a) it is determined if the person is in the water, (b) the pulse rate of the person is measured (c) the position of the person is determined (d) the capacity of at least one energy source attached to the person is monitored, (e) if required, transmitting status and position data from the person to a remote receiver, (F) when a predetermined limit of the pulse rate of the person exceeds a gas chamber located on the body filled with a gas and thereby the person is given a sufficient buoyancy in the water and (g) an alarm is triggered when the said limit value is exceeded in the remote receiver,
characterized in that further (h) the respiratory rate of the person is measured (i) the pressure in the water depth in which the person is located and, if appropriate, the rate of descent of the person are measured, (j) the body position of the person is measured and (k) stored in an evaluation and signal unit on the one hand predetermined threshold data and on the other hand the data generated according to the steps (a) to (e) and (h) to (j) data and compared with each other, wherein in the case of exceeding certain threshold data, said Gas chamber filled with gas and in the remote receiver an alarm is triggered. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Atmungsfrequenz auf Grund der Bauchatmung der Person gemessen wird.A method according to claim 1, characterized in that the respiratory rate is measured on the basis of the abdominal breathing of the person. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Atmungsfrequenz auf Grund der Brustatmung der Person gemessen wird.A method according to claim 1, characterized in that the respiratory rate is measured based on the chest breathing of the person. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Füllen der Gaskammer mit Gas elektrisch oder pyrotechnisch ausgelöst wird.Method according to one of claims 1 to 3, characterized in that the filling of the gas chamber with gas is triggered electrically or pyrotechnically. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Bestimmung der Position der Person mittels eines GPS-Systems erfolgt.Method according to one of Claims 1 to 4, characterized in that the determination of the position of the person takes place by means of a GPS system. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Datenübermittlung von der Auswerte- und Signaleinheit an den entfernten Empfänger mittels eines UHF- oder VHF-Senders erfolgt.Method according to one of claims 1 to 5, characterized in that the data transmission from the Evaluation and signal unit to the remote receiver by means of a UHF or VHF transmitter. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Messung der Körperlage der Person mit zwei Lagesensoren erfolgt.Method according to one of claims 1 to 6, characterized in that the measurement of the body position of the person takes place with two position sensors. Einrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 7, mit (a) einem Wasserkontaktsensor (3), (b) einem Pulssensor (12), (c) einer Gasbereitstellungsvorrichtung (4), (d) einer Auslösevorrichtung (5) zur Freigabe eines Gases aus der Gasbereitstellungsvorrichtung (4), (e) mindestens einer am Körper der Person angeordneten Gaskammer (2) zur Aufnahme des Gases aus der Gasbereitstellungsvorrichtung (4), (f) einer Positionsbestimmungsvorrichtung (6) zur Ermittlung der Position der Person, (g) einem Sender (7) zur drahtlosen Übermittlung von Zustands- und Positionsdaten an einen entfernten Empfänger (14), (h) dem entfernten Empfänger (14) zur Annahme der von dem Sender (7) übermittelten Daten sowie (i) mindestens einer Energiequelle zur Stromversorgung von Funktionseinheiten der Einrichtung,
gekennzeichnet durch folgende Merkmale: (j) Einen Atmungssensor (13) zum Messen der Atmungsfrequenz der Person, (k) einen Wasserdrucksensor (8), (l) mindestens einen Lagesensor (9, 10) zum Messen der Körperlage der Person und (m) eine Auswerte- und Signaleinheit (11) zur Speicherung von vorgegebenen Grenzwertdaten und von Daten, die an diese Einheit (11) übermittelt werden, sowie zur Auswertung aller dieser Daten und zur Abgabe von Signalen an die Auslösevorrichtung (5) der Gasbereitstellungsvorrichtung (4) und an den Sender (7). Device for carrying out the method according to one of claims 1 to 7, with (a) a water contact sensor (3), (b) a pulse sensor (12), (c) a gas supply device (4), (d) a triggering device (5) for releasing a gas from the gas supply device (4), (e) at least one gas chamber (2) arranged on the body of the person for receiving the gas from the gas supply device (4), (f) a position determining device (6) for detecting the position of the person, (g) a transmitter (7) for wirelessly transmitting status and position data to a remote receiver (14), (h) the remote receiver (14) for accepting the data transmitted by the transmitter (7) as well as (i) at least one power source for powering functional units of the device,
characterized by the following features: (j) a respiration sensor (13) for measuring the respiratory rate of the person, (k) a water pressure sensor (8), (L) at least one position sensor (9, 10) for measuring the body position of the person and (M) an evaluation and signal unit (11) for storing predetermined limit data and data that are transmitted to this unit (11), and for evaluating all of these data and for outputting signals to the triggering device (5) of the gas supply device ( 4) and to the transmitter (7). Einrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der Wasserkontaktsensor (3) als Schalter oder als Folie ausgebildet ist.Device according to claim 8, characterized in that the water contact sensor (3) is designed as a switch or as a foil. Einrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß der Pulssensor (12) an einem Brustgurt angebracht ist.Device according to claim 8 or 9, characterized in that the pulse sensor (12) is attached to a chest strap. Einrichtung nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Gasbereitstellungsvorrichtung (4) eine mit Druckluft gefüllte Patrone ist.Device according to one of claims 8 to 10, characterized in that the gas supply device (4) is a filled with compressed air cartridge. Einrichtung nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, daß die Auslösevorrichtung (5) zur Freigabe des Gases aus der Gasbereitstellungsvorrichtung (4) einen elektrisch oder pyrotechnisch aktivierbaren Öffnungsmechanismus aufweist.Device according to one of claims 8 to 11, characterized in that the release device (5) for releasing the gas from the gas supply device (4) has an electrically or pyrotechnically activatable opening mechanism. Einrichtung nach einem der Ansprüche 8 bis 12, dadurch gekennzeichnet, daß die mit Gas füllbare Gaskammer in eine Schwimmweste (1) integriert ist.Device according to one of claims 8 to 12, characterized in that the gas-filled gas chamber is integrated into a life jacket (1). Einrichtung nach einem der Ansprüche 8 bis 13, dadurch gekennzeichnet, daß die Positionsbestimmungsvorrichtung (6) ein GPS-System beinhaltet und die Einrichtung einen GPS-Empfänger (14) umfaßt.Device according to one of Claims 8 to 13, characterized in that the position-determining device (6) comprises a GPS system and the device comprises a GPS receiver (14). Einrichtung nach einem der Ansprüche 8 bis 14, dadurch gekennzeichnet, daß der Sender (7) ein UHF- oder VHF-Sender ist.Device according to one of Claims 8 to 14, characterized in that the transmitter (7) is a UHF or VHF transmitter. Einrichtung nach einem der Ansprüche 8 bis 15, dadurch gekennzeichnet, daß der Atmungssensor (13) als Gürtelschnalle an einem Atemgürtel ausgebildet ist.Device according to one of claims 8 to 15, characterized in that the respiration sensor (13) is designed as a belt buckle on a breathing belt. Einrichtung nach einem der Ansprüche 8 bis 16, dadurch gekennzeichnet, daß der Wasserdrucksensor (8) für eine kontinuierliche Messung der Wassertiefe und der Sinkgeschwindigkeit der Person ausgebildet ist.Device according to one of claims 8 to 16, characterized in that the water pressure sensor (8) is designed for a continuous measurement of the water depth and the sinking speed of the person. Einrichtung nach einem der Ansprüche 8 bis 17, dadurch gekennzeichnet, daß sie zwei Lagesensoren (9, 10) aufweist, von denen der eine zur Befestigung etwa in Schulterhöhe und der andere zur Befestigung etwa in Hüfthöhe der Person ausgebildet ist.Device according to one of claims 8 to 17, characterized in that it comprises two position sensors (9, 10), one of which is designed for attachment approximately at shoulder level and the other for attachment approximately at waist height of the person. Einrichtung nach einem der Ansprüche 8 bis 18, dadurch gekennzeichnet, daß die Auswerte- und Signaleinheit (11) einen programmierten Mikrochip zur Speicherung und Auswertung der von den Funktionseinheiten der Einrichtung übermittelten Daten aufweist.Device according to one of Claims 8 to 18, characterized in that the evaluation and signal unit (11) has a programmed microchip for the storage and evaluation of the data transmitted by the functional units of the device.
EP06023041A 2006-11-06 2006-11-06 Method and device to recognize the danger of drowning for a person in water Active EP1918191B1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
PT06023041T PT1918191E (en) 2006-11-06 2006-11-06 Method and device to recognize the danger of drowning for a person in water
DE502006002838T DE502006002838D1 (en) 2006-11-06 2006-11-06 Method and device for detecting the danger of drowning for a person in the water
EP06023041A EP1918191B1 (en) 2006-11-06 2006-11-06 Method and device to recognize the danger of drowning for a person in water
AT06023041T ATE422464T1 (en) 2006-11-06 2006-11-06 METHOD AND DEVICE FOR DETECTING THE RISK OF DROWNING TO A PERSON IN WATER
PCT/EP2007/009240 WO2008055593A1 (en) 2006-11-06 2007-10-24 Method and device for detecting the risk of a person drowning in water
AU2007316994A AU2007316994B2 (en) 2006-11-06 2007-10-24 Method and device for detecting the risk of a person drowning in water
BRPI0718361-5A BRPI0718361B1 (en) 2006-11-06 2007-10-24 PROCESS FOR RECOGNIZING DANGER OF PERSONS DROUGHT IN WATER AND EQUIPMENT TO PERFORM THE PROCESS
JP2009535013A JP5155328B2 (en) 2006-11-06 2007-10-24 Method and system for sensing the danger of human drowning
CN2007800408822A CN101535120B (en) 2006-11-06 2007-10-24 Method and device for detecting the risk of a person drowning in water
US12/387,690 US20090280705A1 (en) 2006-11-06 2009-05-05 Method and system for detecting a danger of drowning
US13/068,745 US8613637B2 (en) 2006-11-06 2011-05-18 Water survival system and a method for detecting the danger of a person drowning

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EP06023041A EP1918191B1 (en) 2006-11-06 2006-11-06 Method and device to recognize the danger of drowning for a person in water

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EP1918191B1 EP1918191B1 (en) 2009-02-11

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EP (1) EP1918191B1 (en)
JP (1) JP5155328B2 (en)
CN (1) CN101535120B (en)
AT (1) ATE422464T1 (en)
AU (1) AU2007316994B2 (en)
BR (1) BRPI0718361B1 (en)
DE (1) DE502006002838D1 (en)
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AU2007316994A1 (en) 2008-05-15
US20090280705A1 (en) 2009-11-12
CN101535120B (en) 2012-08-08
US20110294382A1 (en) 2011-12-01
BRPI0718361A2 (en) 2014-04-01
BRPI0718361B1 (en) 2020-11-17
WO2008055593A1 (en) 2008-05-15
ATE422464T1 (en) 2009-02-15
CN101535120A (en) 2009-09-16
JP2010508197A (en) 2010-03-18
PT1918191E (en) 2009-04-03
AU2007316994B2 (en) 2012-06-21
JP5155328B2 (en) 2013-03-06
EP1918191B1 (en) 2009-02-11
US8613637B2 (en) 2013-12-24

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