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EP1700623B1 - Avalanche probe and search system for burried persons - Google Patents

Avalanche probe and search system for burried persons Download PDF

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Publication number
EP1700623B1
EP1700623B1 EP06116888A EP06116888A EP1700623B1 EP 1700623 B1 EP1700623 B1 EP 1700623B1 EP 06116888 A EP06116888 A EP 06116888A EP 06116888 A EP06116888 A EP 06116888A EP 1700623 B1 EP1700623 B1 EP 1700623B1
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EP
European Patent Office
Prior art keywords
probe
signal
transmission unit
circuit
probe according
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.)
Not-in-force
Application number
EP06116888A
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German (de)
French (fr)
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EP1700623A1 (en
Inventor
Michael Schober
Markus Eck
Rudolf Sackl
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PIEPS GmbH
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PIEPS GmbH
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Priority to AT06116888T priority Critical patent/ATE421367T1/en
Publication of EP1700623A1 publication Critical patent/EP1700623A1/en
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Publication of EP1700623B1 publication Critical patent/EP1700623B1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • A63B29/021—Means for indicating the location of accidentally buried, e.g. snow-buried, persons

Definitions

  • the invention relates to a probe, in particular for locating spilled persons, for example in avalanches, with a tuned to the transmission frequency of transmitting units receiver with at least one antenna, and a buried search system, comprising at least one transmitting unit and such a probe.
  • the total rescue time (time of the accident until successful recovery of the spilled person) is essentially distributed to the location (search for the first receipt, coarse search, fine search and point location), the sounding (determination of the most accurate location of the buried by means of a probe to be carried) , as well as the exposure of the victim by means of a shovel.
  • Shovel and probe are now part of the recommended - practically prescribed - emergency equipment. While the time required for locating has been repeatedly improved by modern search devices, the time required to shovel or uncover the victim can hardly be significantly influenced. It depends essentially on the burial depth, the snow condition (compactness), the suitability of the blades, as well as on the physical constitution of the rescuer (s).
  • avalanche beacon detectors In order to facilitate the locator even without exercise in the stress situation, devices were developed with multiple antennas arranged at right angles to each other. By switching between these antennas, the reception direction of the transmission signal can be determined.
  • all avalanche beacon detectors must comply with European standard EN300718.
  • An appropriate device is for example in the AT 6120 U2 described.
  • avalanche burial search systems have been proposed which use a probe, such as in the EP 1163933 B1 revealed.
  • a receiver at the upper end of an avalanche probe is optionally also removably mounted, so that it can also be used separately from the probe.
  • an antenna is provided at the lower end of an avalanche probe, whose intercepted radio-frequency signals are transmitted along a high-frequency line along the probe to a bobbin attached to the upper end of the probe.
  • a conventional avalanche transceiver can then be used, which evaluates the high-frequency signals.
  • the object of the present invention is therefore a probe as well as a buried search system which facilitate the search for the seeker, shorten the time required for this and provide important assistance in the interpretation of various objects detected by the probe.
  • the probe as described in the claims according to the invention characterized in that the receiver is integrated with the or each antenna in the probe tip and has a circuit for level evaluation of the received signals, which circuit exceeding the approach in the vicinity the transmission unit displays signal level.
  • the probe can receive signals from transmitters guided by the victim in the immediate vicinity and identify such an event as a hit.
  • Integrating the receiver into the probe tip avoids hard-to-implement analog RF transmission over the length of the probe.
  • the signal processing already takes place in the immediate vicinity of the antenna (s), and it is only necessary to transmit a digital signal for displaying the hit.
  • the circuit for level evaluation is adjustable to at least two different sensitivities.
  • the reception range can thus be changed in several stages and so the sounding accuracy can be increased more and more, until the probe tip is located in the immediate vicinity of the carried by the person buried transmitter with the Fund.
  • the searcher obtains information about how far he is from the actual destination, the victim.
  • Optimal for the recognition by the searcher and also concerning the simple, secure signal transmission is an embodiment of the invention, in which an optical or acoustic display unit is provided at the probe end and a data transmission via physical lines between the receiver and the display unit is provided.
  • the line for data transmission is formed by the tension cable of the probe.
  • the probe is characterized in that a transmitting unit for a signal with a very limited range is integrated in the probe.
  • the transmission of this so-called deck signal is preferably started by means of a manual control device.
  • This allows specially prepared transmission units (LVS devices) temporarily - as long as a probe located in the immediate vicinity emits this deck signal - are turned off, so that no more seekers are distracted from the search for more buried.
  • LVS devices specially prepared transmission units
  • the range of the signal of the transmitting unit substantially corresponds to the short range of the transmitting unit indicated by the circuit for level evaluation.
  • Optimum utilization of the existing components and minimum size can be achieved if the transmitting unit and receiver are combined and both use the same at least one antenna of the probe.
  • the transmitting unit has a receiving circuit for the signal of the probe with a very limited range, and the receiving circuit on receipt of this signal, the transmitting unit at least temporarily turns off.
  • the figure shows a possible embodiment of a probe S according to the invention, with a built-in in the lower probe tip electronics 1.
  • This electronics includes a receiving unit for the signals from traffic standard transmission units (LVS devices), which are carried by skiers, touring, climbers, etc. ,
  • the receiving unit again comprises one to three antennas, preferably oriented orthogonally to one another, a receiver circuit and also a circuit for evaluating the level of the received signal. From the level of the received signal can be deduced due to the normalized transmission level of the transmitting units on the removal of the probe tip of the transmitting unit.
  • the electronics 1 can determine whether the probe tip is in the - defined differently - near range of a transmitting unit.
  • the seeker thus receives an important aid in the interpretation of various objects "tracked" with the probe, and in particular inexperienced seekers can safely distinguish alleged burials from real victims.
  • the searcher also obtains information as to how far he is from the actual destination.
  • a digital signal is transmitted from the electronics 1 to an optical and / or acoustic display device 3 at the upper end of the probe S, if a transmission signal in the near range the probe tip is received.
  • the electronics 1 and the display device 3 can also output different signals depending on the set or determined distance range from the transmitter.
  • the electronics 1 additionally comprises a transmitter for a low level radio signal, a so-called deck signal.
  • the transmitter preferably uses one or more of the antennas of the receiving unit and can advantageously be manually switched on and off.
  • This deck signal can be interpreted specially prepared transmitting units and thus switched so that the transmitter temporarily - as long as the probe in the immediate vicinity of this deck signal emits - are turned off.
  • the transmitting unit is reactivated.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Description

Die Erfindung betrifft eine Sonde, insbesondere zur Ortung verschütteter Personen, beispielsweise in Lawinen, mit einem auf die Sendefrequenz von Sendeeinheiten abgestimmten Empfänger mit zumindest einer Antenne, sowie ein Verschütteten-Suchsystem, umfassend zumindest eine Sendeeinheit und eine derartige Sonde.The invention relates to a probe, in particular for locating spilled persons, for example in avalanches, with a tuned to the transmission frequency of transmitting units receiver with at least one antenna, and a buried search system, comprising at least one transmitting unit and such a probe.

Die Suche nach Verschütteten Personen - insbesondere in Lawinen - wurde durch den Einsatz moderner Lawinenverschüttetensuchgeräte in den letzten Jahren maßgeblich verbessert. Allen diesen Geräten liegt die europäische Norm EN 300718 zugrunde, die neben grundsätzlichen Produktanforderungen auch das ausgesendete Signal normativ beschreibt.The search for buried people - especially in avalanches - has been significantly improved by the use of modern avalanche transceiver in recent years. All these devices are based on the European standard EN 300718 which, in addition to basic product requirements, also describes the transmitted signal normatively.

Die Gesamtrettungszeit (Zeitpunkt der Verunfallung bis zur erfolgreichen Bergung der verschütteten Person) verteilt sich im wesentlichen auf die Ortung (Suche nach dem Erstempfang, Grobsuche, Feinsuche und Punktortung), auf die Sondierung (Bestimmung der möglichst genauen Lage des Verschütteten mittels einer mitzuführenden Sonde), sowie auf das Freilegen des Opfers mittels einer Schaufel. Schaufel und Sonde sind mittlerweile Bestandteil der empfohlenen - praktisch vorgeschriebenen - Notfallsausrüstung. Während die erforderliche Zeit für die Ortung durch moderne Suchgeräte immer wieder verbessert wurde, kann die Zeit, die man zum Schaufeln bzw. Freilegen des Verschütteten benötigt, letztlich kaum nennenswert beeinflusst werden. Sie ist im wesentlichen von der Verschüttungstiefe, der Schneebeschaffenheit (Kompaktheit), der Eignung der Schaufeln, sowie von der physische Konstitution des oder der Retter(s) abhängig.The total rescue time (time of the accident until successful recovery of the spilled person) is essentially distributed to the location (search for the first receipt, coarse search, fine search and point location), the sounding (determination of the most accurate location of the buried by means of a probe to be carried) , as well as the exposure of the victim by means of a shovel. Shovel and probe are now part of the recommended - practically prescribed - emergency equipment. While the time required for locating has been repeatedly improved by modern search devices, the time required to shovel or uncover the victim can hardly be significantly influenced. It depends essentially on the burial depth, the snow condition (compactness), the suitability of the blades, as well as on the physical constitution of the rescuer (s).

Grundsätzlich entfällt aber nicht unwesentlich viel Zeit auf die Sondierung, d.h. auf die Fundbestätigung und möglichst genaue Bestimmung der Lage und Verschüttungstiefe des Opfers. Dies gestaltet sich je nach Hangneigung und Schneebeschaffenheit sowie Verschüttungstiefe schwierig und muss systematisch durchgeführt werden. Vor allem aufgrund des hohen Stresses wird hier sehr oft unkoordiniert "herumgestochert" und es geht wertvolle Zeit verloren.Basically, however, not insignificantly much time is spent on probing, i. on the find confirmation and as accurate as possible determination of the location and burial depth of the victim. Depending on the slope and snow conditions as well as the burial depth, this is difficult and must be carried out systematically. Especially due to the high stress is here often uncoordinated "poked around" and it is valuable time lost.

Um dem Suchenden auch ohne Übung in der Stresssituation die Ortung zu erleichtern, wurden Geräte mit mehreren, rechtwinkelig zueinander angeordneten Antennen entwickelt. Durch Umschalten zwischen diesen Antennen kann die Empfangsrichtung des Sendesignales bestimmt werden. Im Allgemeinen müssen sich alle Lawinen-Verschütteten-Suchgeräte an die europäische Norm EN300718 halten. Ein entsprechendes Gerät ist beispielsweise in der AT 6120 U2 beschrieben. Weiters wurden auch bereits Lawinen-Verschütteten-Suchsysteme vorgeschlagen, die eine Sonde verwenden, wie beispielsweise in der EP 1163933 B1 geoffenbart. Hier ist ein Empfänger am oberen Ende einer Lawinensonde gegebenenfalls auch abnehmbar angebracht, so daß er auch getrennt von der Sonde eingesetzt werden kann. Am unteren, freien Ende der Sonde ist lediglich eine galvanisch isolierte Antenne angesetzt, deren Signal über eine innerhalb oder außerhalb der Sonde geführte, hochfrequenzleitende Leitung an den Empfänger angeschlossen ist. Diese Lösung ist jedoch für die gegenwärtig für die Lawinenortung eingesetzte 457 kHz-Technologie weder geeignet noch mechanisch sinnvoll realisierbar.In order to facilitate the locator even without exercise in the stress situation, devices were developed with multiple antennas arranged at right angles to each other. By switching between these antennas, the reception direction of the transmission signal can be determined. In general, all avalanche beacon detectors must comply with European standard EN300718. An appropriate device is for example in the AT 6120 U2 described. Furthermore, avalanche burial search systems have been proposed which use a probe, such as in the EP 1163933 B1 revealed. Here, a receiver at the upper end of an avalanche probe is optionally also removably mounted, so that it can also be used separately from the probe. At the lower, free end of the probe is only a galvanic isolated antenna whose signal is connected via a guided inside or outside the probe, high-frequency line to the receiver. However, this solution is neither suitable nor mechanically feasible for the currently used for avalanche detection 457 kHz technology.

Auch bei der Lösung der DE 20110790 U1 ist eine Antenne am unteren Ende einer Lawinensonde vorgesehen, deren aufgefangene Hochfrequenzsignale über eine Hochfrequenzleitung entlang der Sonde bis zu einem am oberen Ende der Sonde angebrachten Spulenkörper übertragen wird. In den Spulenkörper kann dann ein herkömmliches LVS-Gerät eingesetzt werden, das die Hochfrequenzsignale auswertet.Also in the solution of DE 20110790 U1 For example, an antenna is provided at the lower end of an avalanche probe, whose intercepted radio-frequency signals are transmitted along a high-frequency line along the probe to a bobbin attached to the upper end of the probe. In the bobbin, a conventional avalanche transceiver can then be used, which evaluates the high-frequency signals.

Die Aufgabe der vorliegenden Erfindung ist daher eine Sonde sowie ein Verschütteten-Suchsystem die dem Suchenden die Sondierung erleichtern, die dafür nötige Zeit verkürzen und wichtige Hilfestellung bei der Interpretation von verschiedenen mit der Sonde aufgespürten Objekten gibt.The object of the present invention is therefore a probe as well as a buried search system which facilitate the search for the seeker, shorten the time required for this and provide important assistance in the interpretation of various objects detected by the probe.

Zur Lösung dieser Aufgabe ist die Sonde, wie in den Ansprüchen beschrieben erfindungsgemäß dadurch gekennzeichnet, daß der Empfänger zusammen mit der oder jeder Antenne in die Sondenspitze integriert ist und eine Schaltung zur Pegelauswertung der Empfangssignale aufweist, welche Schaltung die Überschreitung eines die Annäherung in den Nahbereich der Sendeeinheit Signalpegels anzeigt. Die Sonde kann also Signale von vom Verschütteten mit sich geführten Sendern in der unmittelbaren Umgebung empfangen und ein derartiges Ereignis als Treffer zu erkennen geben. Damit können Fehler bei der Interpretation mit der Sonde aufgefundener Objekte weitestgehend vermieden werden. Den Empfänger in die Sondenspitze zu integrieren, lässt eine schwierig zu realisierende, analoge Hochfrequenzübertragung über die Länge der Sonde vermeiden. Die Signalverarbeitung erfolgt bereits in unmittelbarer Nähe der Antenne(n), und es muss lediglich ein digitales Signal für die Trefferanzeige übertragen werden.To solve this problem, the probe, as described in the claims according to the invention characterized in that the receiver is integrated with the or each antenna in the probe tip and has a circuit for level evaluation of the received signals, which circuit exceeding the approach in the vicinity the transmission unit displays signal level. Thus, the probe can receive signals from transmitters guided by the victim in the immediate vicinity and identify such an event as a hit. Thus errors in the interpretation with the probe found objects can be largely avoided. Integrating the receiver into the probe tip avoids hard-to-implement analog RF transmission over the length of the probe. The signal processing already takes place in the immediate vicinity of the antenna (s), and it is only necessary to transmit a digital signal for displaying the hit.

Vorteilhafterweise ist dabei vorgesehen, daß die Schaltung zur Pegelauswertung auf zumindest zwei unterschiedliche Empfindlichkeiten einstellbar ist. Die Empfangsreichweite kann somit in mehreren Stufen verändert und so die Sondierungsgenauigkeit immer weiter gesteigert werden, bis sich die Sondenspitze bei angezeigtem Fund in unmittelbarer Nähe des von der verschütteten Person mitgeführten Senders befindet. Durch die Erkennung verschiedener Empfangsbereiche erhält der Suchende Information, wie weit er vom tatsächlichen Ziel, dem Verschütteten, annähernd noch entfernt ist.Advantageously, it is provided that the circuit for level evaluation is adjustable to at least two different sensitivities. The reception range can thus be changed in several stages and so the sounding accuracy can be increased more and more, until the probe tip is located in the immediate vicinity of the carried by the person buried transmitter with the Fund. By detecting different reception areas, the searcher obtains information about how far he is from the actual destination, the victim.

Optimal für die Erkennung durch den Suchenden und auch betreffend der einfachen, sicheren Signalübertragung ist eine Ausführungsform der Erfindung, bei welcher eine optische oder akustische Anzeigeeinheit am Sondenende vorgesehen ist und eine Datenübertragung über physische Leitungen zwischen Empfänger und Anzeigeeinheit vorgesehen ist.Optimal for the recognition by the searcher and also concerning the simple, secure signal transmission is an embodiment of the invention, in which an optical or acoustic display unit is provided at the probe end and a data transmission via physical lines between the receiver and the display unit is provided.

Vorteilhafterweise wird dabei die Leitung zur Datenübertragung durch das Spannseil der Sonde gebildet.Advantageously, the line for data transmission is formed by the tension cable of the probe.

Gemäß einem weiteren Merkmal der Erfindung ist die Sonde dadurch gekennzeichnet, daß eine Sendeeinheit für ein Signal mit stark begrenzter Reichweite in die Sonde integriert ist. Das Aussenden dieses sogenannten Decksignals wird vorzugsweise mittels einer manuellen Betätigungseinrichtung gestartet. Damit können eigens dafür vorbereitete Sendeeinheiten (LVS-Geräte) zeitweilig - solange eine in unmittelbarer Nähe befindliche Sonde dieses Decksignal aussendet - ausgeschaltet werden, so daß nicht weitere Suchende von der Suche nach weiteren Verschütteten abgelenkt werden. Beim Herausziehen oder anderweitigen Entfernen der Sonde oder durch manuelles Abschalten des Decksignals wird der Sender wieder aktiviert.According to a further feature of the invention, the probe is characterized in that a transmitting unit for a signal with a very limited range is integrated in the probe. The transmission of this so-called deck signal is preferably started by means of a manual control device. This allows specially prepared transmission units (LVS devices) temporarily - as long as a probe located in the immediate vicinity emits this deck signal - are turned off, so that no more seekers are distracted from the search for more buried. When pulling out or otherwise removing the probe or by manually switching off the Decksignals the transmitter is reactivated.

Vorzugsweise ist vorgesehen, daß die Reichweite des Signals der Sendeeinheit im wesentlichen dem von der Schaltung zur Pegelauswertung angezeigten Nahbereich der Sendeeinheit entspricht.Preferably, it is provided that the range of the signal of the transmitting unit substantially corresponds to the short range of the transmitting unit indicated by the circuit for level evaluation.

Optimale Ausnutzung der vorhandenen Bauelemente und geringste Baugröße kann erzielt werden, wenn Sendeeinheit und Empfänger kombiniert sind und beide die gleiche zumindest eine Antenne der Sonde nutzen.Optimum utilization of the existing components and minimum size can be achieved if the transmitting unit and receiver are combined and both use the same at least one antenna of the probe.

Zur Lösung der eingangs gestellten Aufgabe dient auch ein Verschütteten-Suchsystem, welches erfindungsgemäß dadurch gekennzeichnet ist, daß die Sendeeinheit eine Empfangsschaltung für das Signal der Sonde mit stark begrenzter Reichweite aufweist, und die Empfangsschaltung bei Empfang dieses Signals die Sendeeinheit zumindest temporär abschaltet. Durch ein derartiges System, bei welchem der Sender eines durch Sondierung gesichert aufgefundenen Verschütteten andere Suchende nicht mehr ablenkt, wird auf einfache und sichere Weise die Mehrfachverschüttungs-Problematik gelöst.To solve the problem initially set also serves a buried search system, which is characterized according to the invention in that the transmitting unit has a receiving circuit for the signal of the probe with a very limited range, and the receiving circuit on receipt of this signal, the transmitting unit at least temporarily turns off. Such a system, in which the sender of a victim found by sounding no longer distracts other searchers, solves the multiple burial problem in a simple and reliable manner.

In der nachfolgenden Beschreibung werden weitere Aspekte der Erfindung unter Bezugnahme auf die beigefügte Zeichnung, die in schematischer Darstellung eine erfindungsgemäße Sonde zeigt, näher erläutert.In the following description, further aspects of the invention with reference to the accompanying drawings, which shows a schematic representation of a probe according to the invention will be explained in more detail.

Die Abbildung zeigt eine mögliche Ausführungsform einer erfindungsgemäßen Sonde S, mit einer in der unteren Sondenspitze eingebauten Elektronik 1. Diese Elektronik umfasst eine Empfangseinheit für die Signale von verkehrsüblichen Sendeeinheiten (LVS-Geräte), die von Schifahrern, Tourengehern, Bergsteigern, usw. mitgeführt werden. Die Empfangseinheit wieder umfasst eine bis drei Antennen, vorzugsweise orthogonal zueinander orientiert, eine Empfängerschaltung und auch eine Schaltung zur Pegelauswertung des Empfangssignals. Aus dem Pegel des empfangenen Signals kann aufgrund des normierten Sendepegels der Sendeeinheiten auf die Entfernung der Sondenspitze von der Sendeeinheit rückgeschlossen werden.The figure shows a possible embodiment of a probe S according to the invention, with a built-in in the lower probe tip electronics 1. This electronics includes a receiving unit for the signals from traffic standard transmission units (LVS devices), which are carried by skiers, touring, climbers, etc. , The receiving unit again comprises one to three antennas, preferably oriented orthogonally to one another, a receiver circuit and also a circuit for evaluating the level of the received signal. From the level of the received signal can be deduced due to the normalized transmission level of the transmitting units on the removal of the probe tip of the transmitting unit.

Voreilhafterweise sind in der Elektronik 1 mehrere Grenzwerte für den Empfangspegel eingegeben, zwischen welchen umgeschaltet werden kann, so daß derart eine Umschaltung zwischen unterschiedlichen Entfernungsbereichen erfolgen kann. Die Elektronik 1 kann derart ermitteln, ob die Sondenspitze sich im - unterschiedlich definierbaren - Nahbereich einer Sendeeinheit befindet. Der Sucher erhält somit eine wichtige Hilfestellung bei der Interpretation von verschiedenen mit der Sonde "aufgespürten" Objekten, und insbesonders ungeübte Suchende können vermeintliche Verschüttete von echten Verschütteten sicher unterscheiden. Durch die Erkennung verschiedenen Empfangsbereiche erhält der Suchende auch die Information, wie weit er vom tatsächlichen Ziel annähern entfernt ist.Advantageously, several limit values for the reception level are input in the electronics 1, between which it is possible to switch over, so that a changeover between different distance ranges can take place in this way. The electronics 1 can determine whether the probe tip is in the - defined differently - near range of a transmitting unit. The seeker thus receives an important aid in the interpretation of various objects "tracked" with the probe, and in particular inexperienced seekers can safely distinguish alleged burials from real victims. By detecting different reception areas, the searcher also obtains information as to how far he is from the actual destination.

Über eine Leitung, vorzugsweise das Spannseil 2 der meist aus mehreren, hintereinander angeordneten Teilelementen zusammengesetzten Sonde S, wird von der Elektronik 1 ein digitales Signal an eine optische und/oder akustische Anzeigeeinrichtung 3 am oberen Ende der Sonde S übermittelt, wenn ein Sendesignal im Nahbereich der Sondenspitze empfangen wird. Die Elektronik 1 und die Anzeigeeinrichtung 3 können auch je nach eingestelltem oder ermitteltem Entfernungsbereich vom Sender unterschiedliche Signale ausgeben.Via a line, preferably the tensioning cable 2 of the probe S, which is usually composed of a plurality of subelements arranged one behind the other, a digital signal is transmitted from the electronics 1 to an optical and / or acoustic display device 3 at the upper end of the probe S, if a transmission signal in the near range the probe tip is received. The electronics 1 and the display device 3 can also output different signals depending on the set or determined distance range from the transmitter.

Eine vorteilhafte Ausführungsform der Erfindung sieht weiters vor, daß die Elektronik 1 zusätzlich einen Sender für ein Funksignal mit geringem Pegel, ein sogenanntes Decksignal, umfasst. Der Sender nutzt vorzugsweise eine oder mehrere der Antennen der Empfangseinheit und kann vorteilhafterweise manuell ein- und ausgeschaltet werden. Dieses Decksignal können eigens dafür vorbereitete Sendeeinheiten interpretieren und damit derart geschaltet werden, daß die Sender zeitweilig - solange die Sonde in unmittelbarer Nähe dieses Decksignal aussendet - ausgeschaltet werden. Beim Herausziehen der Sonde und/oder Abschalten des Decksignals wird die Sendeeinheit wieder aktiviert.An advantageous embodiment of the invention further provides that the electronics 1 additionally comprises a transmitter for a low level radio signal, a so-called deck signal. The transmitter preferably uses one or more of the antennas of the receiving unit and can advantageously be manually switched on and off. This deck signal can be interpreted specially prepared transmitting units and thus switched so that the transmitter temporarily - as long as the probe in the immediate vicinity of this deck signal emits - are turned off. When pulling out the probe and / or switching off the deck signal, the transmitting unit is reactivated.

Claims (8)

  1. Probe, in particular for locating buried persons, for example in avalanches, having a receiver tuned to the transmit frequency of transmission units and having at least one antenna, characterized in that the receiver (1) is integrated in the probe tip together with the or each antenna and has a circuit for evaluating the level of the received signals, which circuit indicates the overshooting of a signal level defining the approach to the vicinity of the transmission unit.
  2. Probe according to Claim 1, characterized in that the circuit for level evaluation can be set to at least two different sensitivities.
  3. Probe according to Claim 1 or 2, characterized in that an optical or acoustic display unit (3) is provided at the upper end of the probe, and data transmission via physical lines (2) between receiver (1) and display unit (3) is provided.
  4. Probe according to Claim 3, characterized in that the line (2) for data transmission is formed by the tensioning cable of the probe.
  5. Probe according to one of Claims 1 to 4, characterized in that a transmission unit for a signal with a greatly limited range is integrated in the probe.
  6. Probe according to Claim 5, characterized in that the range of the signal of the transmission unit corresponds substantially to the vicinity of the transmission unit shown by the circuit for level evaluation.
  7. Probe according to Claim 5 or 6, characterized in that transmission unit and receiver (1) are combined, and both use the same at least one antenna of the probe.
  8. Search system for buried persons, comprising at least one transmission unit and one probe according to one of Claims 1 to 7, characterized in that the transmission unit has a receiving circuit for the signal of the probe with a greatly limited range, and the receiving circuit at least temporarily turns off the transmission unit upon reception of this signal.
EP06116888A 2006-06-01 2006-07-10 Avalanche probe and search system for burried persons Not-in-force EP1700623B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT06116888T ATE421367T1 (en) 2006-06-01 2006-07-10 PROBE, ESPECIALLY FOR LOCATING BUDDIES, AND BUDDIES SEARCH SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0043806U AT8823U3 (en) 2006-06-01 2006-06-01 PROBE, IN PARTICULAR FOR LOCATING DISAPPEARED PEOPLE, AND SPILLED SEARCH SYSTEM

Publications (2)

Publication Number Publication Date
EP1700623A1 EP1700623A1 (en) 2006-09-13
EP1700623B1 true EP1700623B1 (en) 2009-01-21

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EP06116888A Not-in-force EP1700623B1 (en) 2006-06-01 2006-07-10 Avalanche probe and search system for burried persons

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US (1) US20060254821A1 (en)
EP (1) EP1700623B1 (en)
AT (2) AT8823U3 (en)
DE (1) DE502006002684D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1941933A1 (en) * 2007-01-03 2008-07-09 Gerald Kampel Modular unit for an avalanche probe and avalanche probe
US20110193702A1 (en) * 2010-02-05 2011-08-11 Brooks William Mathews Wireless apparatuses, systems, and methods for locating items
CN107288536B (en) * 2017-06-15 2019-04-16 石家庄铁道大学 Debris slope water content sensor pore-forming deployment device and pore-forming lay method
CN112767544B (en) * 2021-01-06 2022-04-01 成都理工大学 Spatial case reasoning method for regional landslide risk evaluation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109283C2 (en) * 1981-03-11 1983-12-15 Paul Peter Dipl.-Geol. 8100 Garmisch-Partenkirchen Freisl Personal security and tracking device
FR2759171B1 (en) * 1997-02-06 1999-04-23 Option Ind METHOD AND DEVICE FOR THE DETECTION AND LOCATION OF PERSONS BURIED FOR EXAMPLE UNDER AN AVALANCHE
DE10030719C2 (en) * 2000-06-16 2002-09-12 Erika Grabowski New avalanche victim search system
DE20110790U1 (en) * 2001-06-27 2001-09-27 Grabowski, Erika, 57462 Olpe High-frequency adapter for new avalanche victim search system
DE20209833U1 (en) * 2002-06-25 2002-09-19 FIBERTEC Faseroptik GmbH, 79183 Waldkirch Avalanche probe with a probe

Also Published As

Publication number Publication date
EP1700623A1 (en) 2006-09-13
ATE421367T1 (en) 2009-02-15
DE502006002684D1 (en) 2009-03-12
AT8823U2 (en) 2007-01-15
AT8823U3 (en) 2007-06-15
US20060254821A1 (en) 2006-11-16

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