EP1389772A1 - System for monitoring persons - Google Patents

System for monitoring persons Download PDF

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Publication number
EP1389772A1
EP1389772A1 EP03018252A EP03018252A EP1389772A1 EP 1389772 A1 EP1389772 A1 EP 1389772A1 EP 03018252 A EP03018252 A EP 03018252A EP 03018252 A EP03018252 A EP 03018252A EP 1389772 A1 EP1389772 A1 EP 1389772A1
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EP
European Patent Office
Prior art keywords
transmitter
receiver
warning signal
signal
warning
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.)
Withdrawn
Application number
EP03018252A
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German (de)
French (fr)
Inventor
Marcus Ziesing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matronixx Vetriebsgesellschaft mbH
Original Assignee
Matronixx Vetriebsgesellschaft mbH
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Filing date
Publication date
Application filed by Matronixx Vetriebsgesellschaft mbH filed Critical Matronixx Vetriebsgesellschaft mbH
Publication of EP1389772A1 publication Critical patent/EP1389772A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0241—Data exchange details, e.g. data protocol
    • G08B21/0247—System arrangements wherein the alarm criteria uses signal strength
    • 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
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0286—Tampering or removal detection of the child unit from child or article
    • 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
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0288—Attachment of child unit to child/article

Definitions

  • the present invention relates to a system for monitoring people, especially children and adults in need of supervision, with a portable transmitter, a receiver and one at the receiver provided warning device, and means by which the warning device is prompted to issue a warning signal when the distance a predetermined, in particular between transmitter and receiver adjustable value exceeds.
  • the present invention is based on the object mentioned system to improve further.
  • an even better one Possibility to react to emerging hazards.
  • the child or the person in need of supervision has additional means
  • Adults have the opportunity to occur at a recognized by him Danger to warn the supervisor immediately. So it is even without exceeding the permitted distance between the child or the adult in need of supervision and the supervisor possible to inform the supervisor, who then react immediately can. For example, if the child is out of sight and within sight of the supervisor, so it can if it gets scared, or someone will want to do something, alert the supervisor.
  • the child can do this search immediately, especially with the help of a search mode in which the system is switchable.
  • the search mode be designed so that the warning signal with decreasing distance becomes more intense, especially louder or faster.
  • the supervisor can more quickly grasp which direction they are moving needs to go to the child or the adult subject in need of supervision to get.
  • a push button in particular a micro push button is provided. This can be easily operated by the child or the adult in need of supervision so that the signal can be sent quickly.
  • the Sending means when the Sending means also issued a warning signal from the transmitter.
  • a warning signal This is in particular designed as a quench signal. This allows a person that do something to the child or the adult in need of supervision, for example, he or she wants to kidnap, be deterred, and in the Adults in the vicinity can be made aware of the situation become.
  • Optical and / or acoustic signals in particular can be used as the warning signal be provided.
  • An acoustic signal, in particular, is used as the deterrent signal Signal advantageous.
  • the transmitter means for releasable attachment to a person has, which are equipped with a safety device that at unauthorized release of the attachment to trigger an alarm when Transmitter and / or receiver leads. This can prevent a person attacking the child removes the transmitter without being noticed.
  • a deterrent signal at the transmitter bystanders are also made aware of the situation. Even against the unnoticed removal of the transmitter by the This configuration is effective for children themselves.
  • a clip with two electrical can preferably be used as the fastening means Contacts are provided, which are closed when the clip is attached and Form part of an alarm circuit. If the transmitter is from the child or the the person in need of supervision, the electrical contacts separated. This can trigger an alarm in the Transmitter and / or receiver can be used.
  • the transmitter 1 is made as small as possible and with a fastening device, for example, a clip 2 or a band on one person, such as a jacket or wrist Child can be attached.
  • a fastening device for example, a clip 2 or a band on one person, such as a jacket or wrist Child can be attached.
  • the also shown in Fig. 1 Receiver 3 is also designed to be portable and preferably also has a small size.
  • Transmitter 1 and receiver 3 act in particular on the radio principle together by the transmitter 1 emitting a radio signal, which is received by the receiver 3. About the reception strength can the receiver 3 determine the distance of the transmitter 1 and at Trigger a warning signal if a predetermined distance is exceeded. To output the warning signal, the receiver 3 has a lamp, in particular at least one LED 4 and a loudspeaker 5 to output an acoustic warning signal.
  • the transmitter 1 is equipped with a button 6, via which a radio signal can be sent arbitrarily to the receiver 3 to this To issue a warning signal.
  • the Transmitter 1 a light source, in particular at least one light-emitting diode 7, and a speaker 8 for outputting an optical and an acoustic Warning signal on.
  • the acoustic warning signal is there in particular designed as a quench signal. For example, a very loud and high or siren-like sound are emitted when the button 6 is pressed.
  • the clip 2 of the transmitter 1 has in its housing the transmitter 1 opposite section an electrical not shown here Contact on that with an electrical contact on the housing of the transmitter 1 interacts. By touching the two electrical contacts a circuit closed, interrupting it to trigger an alarm leads.
  • transmitter 1 is removed from the child or those in need of supervision adult person becomes a warning signal, especially a Quench signal issued.
  • others can Fasteners are used, such as cable loops serve as a carrier for the alarm circuit. When cutting the for example through a garment led cable loop is accordingly alarm triggered again.
  • the system described has the advantage that an arbitrary warning signal can be generated in the receiver.
  • a quench signal can be in the transmitter generated to ward off an attacker.
  • the fastening device with alarm circuit enables an alarm to be triggered if the transmitter is removed from the child or the child without authorization adult person in need of supervision.

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  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The user carries or wears the portable transmitter [1] that outputs signals to a receiver [3] that has an indicator [4] and a loudspeaker [5]. When the user is separated from the receiver by more than a set distance an alarm is sounded and the indicator flashes. A similar indication is made on the transmitter unit.

Description

Die vorliegende Erfindung betrifft ein System zur Überwachung von Personen, insbesondere Kinder und aufsichtsbedürftige Erwachsene, mit einem tragbaren Sender, einem Empfänger und einer beim Empfänger vorgesehenen Warneinrichtung, sowie Mitteln, durch welche die Warneinrichtung zur Ausgabe eines Warnsignals veranlasst wird, wenn die Entfernung zwischen Sender und Empfänger einen vorbestimmten, insbesondere einstellbaren Wert übersteigt.The present invention relates to a system for monitoring people, especially children and adults in need of supervision, with a portable transmitter, a receiver and one at the receiver provided warning device, and means by which the warning device is prompted to issue a warning signal when the distance a predetermined, in particular between transmitter and receiver adjustable value exceeds.

Der Hintergrund derartiger Geräte liegt darin, dass vor allem kleine Kinder gerne die Umgebung erkunden und hierfür von ihrer Aufsichtsperson weglaufen. Dabei besteht die Gefahr, dass sich die Kinder verlaufen und verloren gehen oder in Gefahr geraten.The background of such devices is that especially small children like to explore the surroundings and for this from your supervisor run away. There is a risk that the children get lost and get lost or endangered.

Bekannte Systeme der genannten Art ermöglichen eine Überwachung von Kindern und aufsichtsbedürftigen Erwachsenen ohne das Erfordernis, die Kinder dauernd in Blickkontakt zu haben oder gar an die Hand zu nehmen. Die Bewegungsfreiheit des Kindes ist dadurch wenig eingeschränkt und dennoch ist eine gute Überwachung gegeben.Known systems of the type mentioned allow monitoring of Children and adults in need of supervision without the need to Keeping children in constant eye contact or even taking them by the hand. The child's freedom of movement is little restricted and yet there is good surveillance.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, das eingangs genannte System weiter zu verbessern. Insbesondere soll eine noch bessere Reaktionsmöglichkeit auf auftretende Gefahren geschaffen werden. The present invention is based on the object mentioned system to improve further. In particular, an even better one Possibility to react to emerging hazards.

Diese Aufgabe wird dadurch gelöst, dass an dem Sender zusätzlich Mittel zur willkürlichen Aussendung eines Signals vorgesehen sind, welches den Empfänger zur Ausgabe eines Warnsignals veranlasst.This object is achieved in that additional means are provided on the transmitter for the arbitrary transmission of a signal are provided which the Causes receiver to issue a warning signal.

Durch die zusätzlich vorgesehenen Mittel hat das Kind oder der aufsichtsbedürftige Erwachsene die Möglichkeit, bei einer von ihm erkannten auftretenden Gefahr die Aufsichtsperson unmittelbar zu warnen. Es ist also auch ohne Überschreiten der zulässigen Entfernung zwischen dem Kind oder dem aufsichtsbedürftigen Erwachsenen und der Aufsichtsperson möglich, die Aufsichtsperson zu informieren, die dann sofort reagieren kann. Ist das Kind beispielsweise außer Sicht- und Rufweite zu der Aufsichtsperson, so kann es, wenn es Angst bekommt, oder jemand ihm etwas tun will, die Aufsichtsperson alarmieren. Diese kann dann das Kind sofort suchen, insbesondere unter Zuhilfenahme eines Suchmodus, in welchen das System umschaltbar ist. Beispielsweise kann der Suchmodus so ausgestaltet sein, dass das Warnsignal mit abnehmender Entfernung intensiver, insbesondere lauter oder schneller wird. Die Aufsichtsperson kann dadurch schneller erfassen, in welche Richtung sie sich bewegen muss, um zu dem Kind oder der aufsichtsbedürftigen erwachsenen Person zu gelangen.The child or the person in need of supervision has additional means Adults have the opportunity to occur at a recognized by him Danger to warn the supervisor immediately. So it is even without exceeding the permitted distance between the child or the adult in need of supervision and the supervisor possible to inform the supervisor, who then react immediately can. For example, if the child is out of sight and within sight of the supervisor, so it can if it gets scared, or someone will want to do something, alert the supervisor. The child can do this search immediately, especially with the help of a search mode in which the system is switchable. For example, the search mode be designed so that the warning signal with decreasing distance becomes more intense, especially louder or faster. The supervisor can more quickly grasp which direction they are moving needs to go to the child or the adult subject in need of supervision to get.

Als Betätigungsmittel zur willkürlichen Aussendung eines Signals ist bevorzugt ein Taster, insbesondere ein Mikrotaster vorgesehen. Dieser kann vom Kind oder dem aufsichtsbedürftigen Erwachsenen leicht betätigt werden, so dass die Versendung des Signals schnell erfolgen kann.As an actuating means for the arbitrary transmission of a signal preferably a push button, in particular a micro push button is provided. This can be easily operated by the child or the adult in need of supervision so that the signal can be sent quickly.

Nach einer weiteren Ausgestaltung der Erfindung wird bei Betätigung der Aussendemittel auch vom Sender ein Warnsignal ausgegeben. Dies ist insbesondere als Abschrecksignal ausgebildet. Damit kann eine Person, die dem Kind oder dem aufsichtsbedürftigen Erwachsenen etwas tun, beispielsweise es oder ihn entführen will, abgeschreckt werden, und in der Nähe befindliche Erwachsene können auf die Situation aufmerksam gemacht werden.According to a further embodiment of the invention, when the Sending means also issued a warning signal from the transmitter. This is in particular designed as a quench signal. This allows a person that do something to the child or the adult in need of supervision, for example, he or she wants to kidnap, be deterred, and in the Adults in the vicinity can be made aware of the situation become.

Als Warnsignal können insbesondere optische und/oder akustische Signale vorgesehen sein. Als Abschrecksignal ist insbesondere ein akustisches Signal vorteilhaft.Optical and / or acoustic signals in particular can be used as the warning signal be provided. An acoustic signal, in particular, is used as the deterrent signal Signal advantageous.

Eine weitere Verbesserung des eingangs genannten Systems ergibt sich dadurch, dass der Sender Mittel zur lösbaren Befestigung an einer Person aufweist, die mit einer Sicherungseinrichtung ausgestattet sind, die bei unautorisiertem Lösen der Befestigung zur Auslösung eines Alarms beim Sender und/oder Empfänger führt. Damit kann verhindert werden, dass eine das Kind angreifende Person den Sender unbemerkt entfernt. Durch Ausgabe eines Alarmsignals, insbesondere Abschrecksignals beim Sender werden auch umstehende Personen auf die Situation aufmerksam gemacht. Auch gegen ein unbemerktes Entfernen des Senders durch das Kind selbst ist diese Ausgestaltung wirksam.There is a further improvement in the system mentioned at the beginning in that the transmitter means for releasable attachment to a person has, which are equipped with a safety device that at unauthorized release of the attachment to trigger an alarm when Transmitter and / or receiver leads. This can prevent a person attacking the child removes the transmitter without being noticed. By Output of an alarm signal, in particular a deterrent signal at the transmitter bystanders are also made aware of the situation. Even against the unnoticed removal of the transmitter by the This configuration is effective for children themselves.

Als Befestigungsmittel kann bevorzugt ein Clip mit zwei elektrischen Kontakten vorgesehen sein, die bei befestigtem Clip geschlossen sind und Teil eines Alarmstromkreises bilden. Wird der Sender vom Kind oder der aufsichtsbedürftigen Person entfernt, so werden automatisch auch die elektrischen Kontakte getrennt. Dies kann zur Auslösung eines Alarms im Sender und/oder Empfänger verwendet werden. A clip with two electrical can preferably be used as the fastening means Contacts are provided, which are closed when the clip is attached and Form part of an alarm circuit. If the transmitter is from the child or the the person in need of supervision, the electrical contacts separated. This can trigger an alarm in the Transmitter and / or receiver can be used.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird nachfolgend beschrieben. Als einzige Figur zeigt in schematischer Darstellung:

Fig. 1
einen Sender und einen Empfänger des erfindungsgemäßen Systems.
An embodiment of the invention is shown in the drawing and is described below. The only figure shows in a schematic representation:
Fig. 1
a transmitter and a receiver of the system according to the invention.

Der Sender 1 ist möglichst klein ausgebildet und mit einer Befestigungsvorrichtung, beispielsweise einem Clip 2 oder einem Band versehen, um an einer Person, beispielsweise der Jacke oder dem Handgelenk eines Kindes befestigt werden zu können. Der in Fig. 1 außerdem dargestellte Empfänger 3 ist auch tragbar ausgebildet und weist bevorzugt ebenfalls eine geringe Größe auf.The transmitter 1 is made as small as possible and with a fastening device, for example, a clip 2 or a band on one person, such as a jacket or wrist Child can be attached. The also shown in Fig. 1 Receiver 3 is also designed to be portable and preferably also has a small size.

Sender 1 und Empfänger 3 wirken insbesondere nach dem Funkprinzip miteinander zusammen, indem der Sender 1 ein Funksignal aussendet, welches vom Empfänger 3 empfangen wird. Über die Empfangsstärke kann der Empfänger 3 die Entfernung des Senders 1 feststellen und bei Überschreiten einer vorbestimmten Entfernung ein Warnsignal auslösen. Zur Ausgabe des Warnsignals weist der Empfänger 3 ein Leuchtmittel, insbesondere mindestens eine Leuchtdiode 4 auf, sowie einen Lautsprecher 5 zur Ausgabe eines akustischen Warnsignals.Transmitter 1 and receiver 3 act in particular on the radio principle together by the transmitter 1 emitting a radio signal, which is received by the receiver 3. About the reception strength can the receiver 3 determine the distance of the transmitter 1 and at Trigger a warning signal if a predetermined distance is exceeded. To output the warning signal, the receiver 3 has a lamp, in particular at least one LED 4 and a loudspeaker 5 to output an acoustic warning signal.

Der Sender 1 ist mit einem Taster 6 ausgerüstet, über den ein Funksignal willkürlich an den Empfänger 3 gesandt werden kann, um diesen zur Ausgabe eines Warnsignals zu veranlassen. Außerdem weist auch der Sender 1 ein Leuchtmittel, insbesondere mindestens eine Leuchtdiode 7, und einen Lautsprecher 8 zur Ausgabe eines optischen und eines akustischen Warnsignals auf. Vor allem das akustische Warnsignal ist dabei insbesondere als Abschrecksignal ausgebildet. Beispielsweise kann ein sehr lauter und hoher oder sirenenartiger Ton ausgegeben werden, wenn der Taster 6 betätigt wird.The transmitter 1 is equipped with a button 6, via which a radio signal can be sent arbitrarily to the receiver 3 to this To issue a warning signal. In addition, the Transmitter 1 a light source, in particular at least one light-emitting diode 7, and a speaker 8 for outputting an optical and an acoustic Warning signal on. Above all, the acoustic warning signal is there in particular designed as a quench signal. For example, a very loud and high or siren-like sound are emitted when the button 6 is pressed.

Der Clip 2 des Senders 1 weist in seinem dem Gehäuse des Senders 1 gegenüberliegenden Abschnitt einen hier nicht dargestellten elektrischen Kontakt auf, der mit einem elektrischen Kontakt am Gehäuse des Senders 1 zusammenwirkt. Durch Berühren der beiden elektrischen Kontakte wird ein Stromkreis geschlossen, dessen Unterbrechen zu einer Alarmauslösung führt. Bei Entfernen des Senders 1 vom Kind oder der aufsichtsbedürftigen erwachsenen Person wird so ein Warnsignal, insbesondere ein Abschrecksignal ausgegeben. Anstelle eines Clips 2 können auch andere Befestigungsmittel verwendet werden, beispielsweise Kabelschlaufen, die als Träger für den Alarmstromkreis dienen. Bei Durchtrennen der beispielsweise durch ein Kleidungsstück geführten Kabelschlaufe wird entsprechend wieder Alarm ausgelöst.The clip 2 of the transmitter 1 has in its housing the transmitter 1 opposite section an electrical not shown here Contact on that with an electrical contact on the housing of the transmitter 1 interacts. By touching the two electrical contacts a circuit closed, interrupting it to trigger an alarm leads. When transmitter 1 is removed from the child or those in need of supervision adult person becomes a warning signal, especially a Quench signal issued. Instead of a clip 2, others can Fasteners are used, such as cable loops serve as a carrier for the alarm circuit. When cutting the for example through a garment led cable loop is accordingly alarm triggered again.

Das beschriebene System hat den Vorteil, dass willkürlich ein Warnsignal im Empfänger erzeugt werden kann. Außerdem kann im Sender ein Abschrecksignal erzeugt werden, um einen Angreifer abzuwehren. Zudem ermöglicht die Befestigungsvorrichtung mit Alarmstromkreis eine Alarmauslösung bei unautorisierter Entfernung des Senders vom Kind oder der aufsichtsbedürftigen erwachsenen Person. Damit wird durch das erfindungsgemäße System eine besonders hohe Sicherheit erreicht. The system described has the advantage that an arbitrary warning signal can be generated in the receiver. In addition, a quench signal can be in the transmitter generated to ward off an attacker. moreover the fastening device with alarm circuit enables an alarm to be triggered if the transmitter is removed from the child or the child without authorization adult person in need of supervision. This is the inventive System achieved a particularly high level of security.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
SenderChannel
22
Clipclip
33
Empfängerreceiver
44
Leuchtdiodeled
55
Lautsprecherspeaker
66
Tasterbutton
77
Leuchtdiodeled
88th
Lautsprecherspeaker

Claims (8)

System zur Überwachung von Personen, insbesondere Kinder und aufsichtsbedürftige Erwachsene, mit einem tragbaren Sender (1), einem Empfänger (3) und einer beim Empfänger (3) vorgesehenen Warneinrichtung (4, 5), sowie Mitteln, durch welche die Warneinrichtung (4, 5) zur Ausgabe eines Warnsignals veranlasst wird, wenn die Entfernung zwischen Sender (1) und Empfänger (3) einen vorbestimmten, insbesondere einstellbaren Wert übersteigt,
dadurch gekennzeichnet, dass an dem Sender (1) zusätzlich Mittel (6) zur willkürlichen Aussendung eines Signals vorgesehen sind, welches den Empfänger (3) zur Ausgabe eines Warnsignals veranlasst.System for monitoring people, in particular children and adults in need of supervision, with a portable transmitter (1), a receiver (3) and a warning device (4, 5) provided at the receiver (3), and means by which the warning device (4, 5) is triggered to issue a warning signal if the distance between the transmitter (1) and receiver (3) exceeds a predetermined, in particular adjustable value,
characterized in that additional means (6) are provided on the transmitter (1) for the arbitrary transmission of a signal, which causes the receiver (3) to output a warning signal. System nach Anspruch 1,
dadurch gekennzeichnet, dass die Mittel einen Taster (6), insbesondere Mikrotaster, umfassen.System according to claim 1,
characterized in that the means comprise a button (6), in particular a micro button. System nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass bei Betätigung der willkürlichen Aussendemittel (6) auch vom Sender (1) ein Warnsignal ausgegeben wird.System according to claim 1 or 2,
characterized in that a warning signal is also emitted by the transmitter (1) when the arbitrary transmission means (6) are actuated. System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass ein optisches und/oder ein akustisches Warnsignal vorgesehen ist.System according to one of the preceding claims,
characterized in that an optical and / or an acoustic warning signal is provided. System nach Anspruch 4,
dadurch gekennzeichnet, dass das vom Sender (1) ausgegebene Warnsignal als Abschrecksignal ausgebildet ist.System according to claim 4,
characterized in that the warning signal output by the transmitter (1) is designed as a quenching signal. System nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Empfänger (3) in einen Modus umschaltbar ist, in dem das Warnsignal mit abnehmender Entfernung intensiver, insbesondere lauter oder schneller wird.System according to one of the preceding claims,
characterized in that the receiver (3) can be switched into a mode in which the warning signal becomes more intense, in particular louder or faster, as the distance decreases. System zur Überwachung von Personen, insbesondere Kinder und aufsichtsbedürftige Erwachsene, mit einem tragbaren Sender (1), einem Empfänger (3) und einer beim Empfänger (3) vorgesehenen Warneinrichtung (4, 5), sowie Mitteln, durch welche die Warneinrichtung (4, 5) zur Ausgabe eines Warnsignals veranlasst wird, wenn die Entfernung zwischen Sender (1) und Empfänger (3) einen vorbestimmten, insbesondere einstellbaren Wert übersteigt, insbesondere nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass der Sender (1) Mittel (2) zur lösbaren Befestigung an einer Person aufweist, die mit einer Sicherungseinrichtung ausgestattet sind, die bei unautorisiertem Lösen zur Auslösung eines Alarms beim Sender (1) und/oder Empfänger (3) führt. System for monitoring people, in particular children and adults in need of supervision, with a portable transmitter (1), a receiver (3) and a warning device (4, 5) provided at the receiver (3), and means by which the warning device (4, 5) is caused to issue a warning signal if the distance between the transmitter (1) and receiver (3) exceeds a predetermined, in particular adjustable value, in particular according to one of the preceding claims,
characterized in that the transmitter (1) has means (2) for detachable attachment to a person, which are equipped with a security device which, in the event of unauthorized release, triggers an alarm at the transmitter (1) and / or receiver (3). System nach Anspruch 7,
dadurch gekennzeichnet, dass zur Befestigung ein Clip (2) mit zwei elektrischen Kontakten vorgesehen ist, die bei befestigtem Clip (2) geschlossen sind und Teil eines Alarmstromkreises bilden.System according to claim 7,
characterized in that a clip (2) with two electrical contacts is provided for attachment, which are closed when the clip (2) is attached and form part of an alarm circuit.
EP03018252A 2002-08-13 2003-08-11 System for monitoring persons Withdrawn EP1389772A1 (en)

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DE20212475U DE20212475U1 (en) 2002-08-13 2002-08-13 System for monitoring people
DE20212475U 2002-08-13

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