WO2000065549A1 - Alarm device and applications - Google Patents

Alarm device and applications Download PDF

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Publication number
WO2000065549A1
WO2000065549A1 PCT/FR1999/000948 FR9900948W WO0065549A1 WO 2000065549 A1 WO2000065549 A1 WO 2000065549A1 FR 9900948 W FR9900948 W FR 9900948W WO 0065549 A1 WO0065549 A1 WO 0065549A1
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WO
WIPO (PCT)
Prior art keywords
alarm device
transmitter
person
distance
sound
Prior art date
Application number
PCT/FR1999/000948
Other languages
French (fr)
Inventor
Jocelyne Lanoue
Original Assignee
Jocelyne Lanoue
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jocelyne Lanoue filed Critical Jocelyne Lanoue
Priority to PCT/FR1999/000948 priority Critical patent/WO2000065549A1/en
Publication of WO2000065549A1 publication Critical patent/WO2000065549A1/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection
    • 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
    • G08B21/0288—Attachment of child unit to child/article

Definitions

  • the present invention relates to a transmission and reception system and in particular relates to an alarm system intended for adults, children and animals.
  • the present invention relates more particularly to an alarm device making it possible to monitor the movements and / or displacements of young people or adults as well as if necessary the forgetting of an object containing a positive alarm device.
  • the invention relates specifically to an alarm device in two parts, one worn by the person ensuring the surveillance and the other carried by the person or contained in the object to be monitored comprising a sound transmitter whose intensity can be modulated as a function of the distance separating the carriers from these two parts of the alarm device.
  • this alarm device is intended to emit a sound whose intensity is low when the transmitting part and the receiving part are separated by a reduced distance.
  • the intensity of the sound is greater when the distance between the transmitting part and the receiving part exceeds a certain threshold. The intensity is even greater when a new level of distance is crossed.
  • the device of the invention is therefore capable of emitting a tone comprising three different levels, a weak sound at short distance, a more intense sound between two determined distances and an intense sound when the maximum distance foreseen is crossed.
  • This device is therefore simple, easy to use and does not require any tracking antenna or any detection unit.
  • the device according to the invention overcomes most of these dangers in the most effective manner.
  • the device according to the invention emits a weak sound as long as the monitored person has not exceeded an authorized limit where visual monitoring is easy, for example 50 meters.
  • the device emits a louder sound when this person deviates substantially more from the surveillance limit and is thus outside the visual field of the person responsible for surveillance, for example 100 to 200 meters.
  • the alarm device When the monitored person continues on his way and moves further away, the alarm device according to the invention emits an even louder sound which can be modulated and in this way the surveillance personnel are immediately warned of the danger incurred. Conversely, when the person in charge of the surveillance gets closer to the person being monitored - child or adult - the sound becomes less intense and becomes normal again when the distance between them enters the field of vision.
  • alert distances are easily adjustable depending on the nature of the terrain and the age of the person being monitored. For a very young child the distances may be shorter. For an adult and even for an elderly person, the levels may be greater, knowing that for this the danger does not really exist until the person under surveillance has deviated from the reference points in an excessive manner but which can be much larger. In the particular case of swimming, the transmitter comes into action as soon as the receiver bracelet is in contact with water.
  • Alarm devices are already known comprising a transmitter and a receiver for low power signals, the receiver being equipped with a visible or audible output.
  • British patent 2,320,598 describes such a system intended to call or remind a child for example at mealtimes or on the contrary to call his parents in the event of danger. This patent gives very few details on how this device works. He's only there indicated that the transmitter may be a radio transmitter, or operate with microwaves, sounds or the like.
  • the transmitter is worn by the person who takes care of or who monitors. It is incorporated in a bracelet worn on the wrist or in a pocket worn around the neck. It includes a micro transmitter of radio waves whose wavelength corresponds to that of the receiving device.
  • the transmitter controls the operation of a vibrator or a micro-speaker which transmits an electrical signal and of a computer which determines the distance between the receiving station and the transmitting station.
  • the operation of the computer is determined by the distance separating the transmitter from the receiver and the length or frequency of the sound signal will depend on the different distance steps provided beforehand or adjustable according to orientation, nature or occupation of the land where the monitored person is located.
  • the transmitter When the transmitter is incorporated into a bracelet, it has the same appearance as the receiver bracelet.
  • the first alarm level will be a distance of 50 meters.
  • the second level will be based on a distance of 100 to 200 meters and the third alarm level will be a distance depending on the condition of the terrain, shorter in mountainous or wooded terrain or longer in an open space such as a beach that can go up to 1,000 meters.
  • the receiving device takes the form of a bracelet made of flexible material, such as a rubber strap, but it can also be in the form of a watch.
  • the watch will include all the usual functions of a watch but in addition, the battery or the battery which is incorporated therein, will supply a radio receiving device sensitive to the emission wavelength of the transmitting station.
  • the transmitter can determine the distance between it and the receiving device and thus control the intensity of the radio transmission. This program is not audible and is not likely to attract the attention of third parties.
  • the receiving device can be adapted to a handbag, a suitcase, a mobile phone or a bag or other valuable item.
  • the emission simply allows the transmitter to notice without delay an abnormal intensity of the radio emission.
  • the transmitter will send radio waves in the short wave band so that they are not stopped or absorbed or deflected by natural obstacles. Producing radio waves of length "wave determined is ensured by the operation of a transistor supplied by this battery in the transmitter arrangement and controlled by a microprocessor.
  • the device according to the invention comprises firstly a bracelet or a pin or a fob having a transmitter device of radio waves generated by a transistor supplied by a battery, a distance measuring device and a high miniature speaker and on the other hand a bracelet of elastic material firmly attached to the wrist or to the belt or ankle or even a watch inside which will be added to the clockwork device a radio receiver.
  • This receiver will be non-audible and cannot be modified or changed during use. In this way the use will always be under the programmed surveillance of the transmitting device.
  • FIG. 1 schematically shows the main components of the alarm device according to the invention.
  • the transmitter bracelet comprises a microprocessor (1) which is supplied with power by a battery incorporated in the bracelet (2).
  • the power supply (2) is carried by a ribbon (3).
  • This tape may include a locking device (4) which prevents surveillance personnel from disposing of it.
  • the ribbon can be placed around the wrist or around the ankle of the transmitter or any other user.
  • power can be supplied by a nickel or cadmium battery.
  • the child or user can walk around the permitted safety zone without the sound device starting up.
  • the output of the microprocessor is connected to an interface (7), the output of said interface provides a signal to the variable oscillator (8).
  • This comprises a loop circuit formed by a sampling unit (9), a mixer (14), a phase detector and filter (13).
  • the oscillator (15) also delivers a signal to the harmonic generator (16) connected to a filter (17).
  • the amplifier (18) is used to conduct the radio signal transmitted to the reception device (19) carried by the transmitter bracelet. In the event that the receiver bracelet is removed or broken, the sending device will be immediately informed, since the return signal would be considerably amplified.

Abstract

The invention concerns the field of radio communication and more particularly an alarm device using sound waves or radio frequency waves. The invention concerns in particular a two-part alarm device for young children, adults and/or for keeping watch on valuables. The inventive device is characterised in that the transmitter part is worn by the person keeping watch and the receiver part by the other person or the object to be watched, and comprises a tracking transmitter which can be intensity-modulated according to the distance separating the bearers of the two parts or the alarm device. The invention is particularly useful for monitoring small children or old people when staying in the countryside, at the beach or in the mountains.

Description

DISPOSITIF D ' ALARME ET SES UTILISATION ALARM DEVICE AND ITS USE
La présente invention se rapporte à un système d'émission et de réception et en particulier concerne un système d'alarme destiné aux personnes adultes, aux enfants et aux animaux.The present invention relates to a transmission and reception system and in particular relates to an alarm system intended for adults, children and animals.
La présente invention se rapporte plus particulièrement à un dispositif d'alarme permettant de surveiller les mouvements et/ou les déplacements des personnes jeunes ou adultes ainsi que le cas échéant l'oubli d'un objet contenant un dis positif d'alarme.The present invention relates more particularly to an alarm device making it possible to monitor the movements and / or displacements of young people or adults as well as if necessary the forgetting of an object containing a positive alarm device.
L'invention concerne spécifiquement un dispositif d'alarme en deux parties, l'une portée par la personne assurant la surveillance et l'autre portée par la personne ou contenu dans l'objet à surveiller comportant un émetteur sonore dont l'intensité peut être modulée en fonction de la distance séparant les porteurs de ces deux parties du dispositif d'alarme.The invention relates specifically to an alarm device in two parts, one worn by the person ensuring the surveillance and the other carried by the person or contained in the object to be monitored comprising a sound transmitter whose intensity can be modulated as a function of the distance separating the carriers from these two parts of the alarm device.
En particulier ce dispositif d'alarme est destiné à émettre un son dont l'intensité est faible lorsque la partie émettrice et la partie réceptrice sont séparées par une distance réduite. L'intensité du son est plus grande lorsque la distance qui sépare la partie émettrice et la partie réceptrice dépasse un certain seuil. L'intensité est encore plus grande lorsqu'un nouveau palier de distance est franchi.In particular, this alarm device is intended to emit a sound whose intensity is low when the transmitting part and the receiving part are separated by a reduced distance. The intensity of the sound is greater when the distance between the transmitting part and the receiving part exceeds a certain threshold. The intensity is even greater when a new level of distance is crossed.
Le dispositif de l'invention est donc susceptible d'émettre une tonalité comportant trois paliers différents, un son faible à courte distance, un son plus intense entre deux distances déterminées et un son intense lorsque la distance maximale prévue est franchie.The device of the invention is therefore capable of emitting a tone comprising three different levels, a weak sound at short distance, a more intense sound between two determined distances and an intense sound when the maximum distance foreseen is crossed.
Ce dispositif est donc simple, facile à utiliser et ne nécessite aucune antenne de repérage, ni aucune centrale de détection.This device is therefore simple, easy to use and does not require any tracking antenna or any detection unit.
On connaît en effet la nécessité d'exercer une surveillance constante des déplacements de jeunes enfants ou même de personnes âgées pour éviter que ceux-ci s'égarent ou puissent être détournés ou perdent tout sens de l'orientation et ne sachent plus retrouver le chemin de retour. Le problème se pose en particulier lors de promenades à la campagne ou de séjours sur des plages où déjeunes enfants peuvent échapper à la vue de la personne chargée de les surveiller et ne plus savoir retrouver spontanément le chemin du retour.We know in fact the need to exercise constant surveillance of the movements of young children or even of the elderly to prevent them from getting lost or can be diverted or lose all sense of direction and no longer know how to find their way. back. The problem arises in particular during walks in the countryside or stays on beaches where young children can escape the sight of the person responsible for monitoring them and no longer know how to spontaneously find their way back.
Le problème se pose également lors de baignades en piscine ou au bord d'une pièce d'eau pour éviter que de jeunes enfants puissent s'écarter exagérément des limites autorisées et de cette façon encourir des risques graves.The problem also arises when swimming in a pool or at the edge of a body of water to prevent young children from deviating excessively from the authorized limits and thereby incur serious risks.
Le dispositif selon l'invention permet de pallier de la manière la plus efficace, la plupart de ces dangers. Le dispositif selon l'invention émet un son faible tant que la personne surveillée n'a pas dépassé une limite autorisée où la surveillance visuelle est aisée par exemple 50 mètres. Le dispositif émet un son plus fort lorsque cette personne s'écarte sensiblement plus de la limite de surveillance et se trouve ainsi hors du champ visuel de la personne chargée de la surveillance, par exemple 100 à 200 mètres.The device according to the invention overcomes most of these dangers in the most effective manner. The device according to the invention emits a weak sound as long as the monitored person has not exceeded an authorized limit where visual monitoring is easy, for example 50 meters. The device emits a louder sound when this person deviates substantially more from the surveillance limit and is thus outside the visual field of the person responsible for surveillance, for example 100 to 200 meters.
Lorsque la personne surveillée poursuit son trajet et s'écarte encore davantage, le dispositif d'alarme selon l'invention émet un son encore plus fort qui peut être modulé et de cette façon le personnel de surveillance est immédiatement prévenu du danger encouru. En sens inverse, lorsque la personne chargée de la surveillance se rapproche de la personne surveillée - enfant ou adulte - le son devient moins intense et redevient normal lorsque la distance qui les sépare rentre dans le champ de vision.When the monitored person continues on his way and moves further away, the alarm device according to the invention emits an even louder sound which can be modulated and in this way the surveillance personnel are immediately warned of the danger incurred. Conversely, when the person in charge of the surveillance gets closer to the person being monitored - child or adult - the sound becomes less intense and becomes normal again when the distance between them enters the field of vision.
Ces distances d'alerte sont aisément modulables en fonction de la nature du terrain et de l'âge de la personne surveillée. Pour un très jeune enfant les distances pourront être plus courtes. Pour un adulte et même pour une persorme âgée les paliers pourront être plus grandes en sachant que pour celle-ci le danger n'existe véritablement que lorsque la personne surveillée s'est écartée des points de repère d'une manière excessive mais qui peut être beaucoup plus grande. Dans le cas particulier de baignade l'émetteur entre en action dès que le bracelet récepteur est en contact avec l'eau.These alert distances are easily adjustable depending on the nature of the terrain and the age of the person being monitored. For a very young child the distances may be shorter. For an adult and even for an elderly person, the levels may be greater, knowing that for this the danger does not really exist until the person under surveillance has deviated from the reference points in an excessive manner but which can be much larger. In the particular case of swimming, the transmitter comes into action as soon as the receiver bracelet is in contact with water.
On connaît déjà des dispositifs d'alarme comportant un émetteur et un récepteur pour signaux de faible puissance, le récepteur étant équipé d'une sortie visible ou audible. C'est ainsi que le brevet britannique 2.320.598 décrit un tel système destiné à appeler ou à rappeler un enfant par exemple à l'heure des repas ou au contraire à appeler ses parents en cas de danger. Ce brevet donne très peu de détails sur la manière dont ce dispositif fonctionne. Il y est seulement indiqué que l'émetteur peut être un émetteur radio, ou fonctionner avec des micro-ondes, des sons ou similaires.Alarm devices are already known comprising a transmitter and a receiver for low power signals, the receiver being equipped with a visible or audible output. British patent 2,320,598 describes such a system intended to call or remind a child for example at mealtimes or on the contrary to call his parents in the event of danger. This patent gives very few details on how this device works. He's only there indicated that the transmitter may be a radio transmitter, or operate with microwaves, sounds or the like.
Dans la présente invention l'émetteur est porté par la personne qui assure la garde ou qui effectue la surveillance. Il est incorporé dans un bracelet porté au poignet ou dans une pochette portée autour du cou. Il comporte un micro émetteur d'ondes radio dont la longueur d'onde correspond à celle du dispositif receveur. L'émetteur commande le fonctionnement d'un vibreur ou d'un micro haut-parleur qui émet un signal électrique et d'un calculateur qui détermine la distance entre le poste receveur et le poste émetteur. Comme expliqué précédemment, le fonctionnement du calculateur est déterminé par la distance séparant l'émetteur du récepteur et la longueur ou la fréquence du signal sonore seront fonction des différents paliers de distance prévus au préalable ou modulables selon l'orientation, la nature ou l'occupation du terrain où se trouve la personne surveillée.In the present invention, the transmitter is worn by the person who takes care of or who monitors. It is incorporated in a bracelet worn on the wrist or in a pocket worn around the neck. It includes a micro transmitter of radio waves whose wavelength corresponds to that of the receiving device. The transmitter controls the operation of a vibrator or a micro-speaker which transmits an electrical signal and of a computer which determines the distance between the receiving station and the transmitting station. As explained previously, the operation of the computer is determined by the distance separating the transmitter from the receiver and the length or frequency of the sound signal will depend on the different distance steps provided beforehand or adjustable according to orientation, nature or occupation of the land where the monitored person is located.
Lorsque l'émetteur se trouve incorporé dans un bracelet celui-ci présente la même apparence que le bracelet receveur.When the transmitter is incorporated into a bracelet, it has the same appearance as the receiver bracelet.
En principe le premier palier d'alarme sera une distance de 50 mètres. Le deuxième palier sera basé sur une distance de 100 à 200 mètres et le troisième palier d'alarme sera une distance fonction de l'état du terrain, plus courte en terrain montagneux ou boisé ou plus longue dans un espace découvert comme une plage pouvant aller jusqu'à 1.000 mètres.In principle, the first alarm level will be a distance of 50 meters. The second level will be based on a distance of 100 to 200 meters and the third alarm level will be a distance depending on the condition of the terrain, shorter in mountainous or wooded terrain or longer in an open space such as a beach that can go up to 1,000 meters.
Le dispositif récepteur prend la forme d'un bracelet en matériau souple, comme un bracelet de caoutchouc mais il peut aussi se présenter sous la forme d'une montre. Dans ce cas la montre comportera toutes les fonction habituelles d'une montre mais en plus, la pile ou la batterie qui y est incorporée, alimentera un dispositif receveur radio sensible à la longueur d'onde d'émission du poste émetteur. En fonction de l'intensité de réception, l'émetteur pourra déterminer la distance qui le sépare du dispositif receveur et ainsi commander l'intensité de l'émission radio. Cette émission n'est pas sonore et n'est pas susceptible d'attirer l'attention de tiers. Le dispositif receveur peut être adapté à un sac à main, une valise, un téléphone portable ou à une sacoche ou autre article de valeur.The receiving device takes the form of a bracelet made of flexible material, such as a rubber strap, but it can also be in the form of a watch. In this case the watch will include all the usual functions of a watch but in addition, the battery or the battery which is incorporated therein, will supply a radio receiving device sensitive to the emission wavelength of the transmitting station. Depending on the reception intensity, the transmitter can determine the distance between it and the receiving device and thus control the intensity of the radio transmission. This program is not audible and is not likely to attract the attention of third parties. The receiving device can be adapted to a handbag, a suitcase, a mobile phone or a bag or other valuable item.
L'émission permet simplement à l'émetteur de s'apercevoir sans délai d'une intensité anormale de l'émission radio. D'une manière générale l'émetteur enverra des ondes radio dans la bande des ondes courtes de façon à ce qu'elles ne soient pas arrêtées ou absorbées ou déviées par les obstacles naturels. La production d'ondes radio de longueur d"onde déterminée est assurée par le fonctionnement d'un transistor alimenté par la pile présente dans le dispositif émetteur et régulé par un microprocesseur.The emission simply allows the transmitter to notice without delay an abnormal intensity of the radio emission. Generally the transmitter will send radio waves in the short wave band so that they are not stopped or absorbed or deflected by natural obstacles. Producing radio waves of length "wave determined is ensured by the operation of a transistor supplied by this battery in the transmitter arrangement and controlled by a microprocessor.
En d'autres termes le dispositif selon l'invention comporte d'une part un bracelet ou une broche ou une breloque comportant un dispositif émetteur d'ondes radio produites par un transistor alimenté par une pile, un dispositif de mesure de distance et un haut parleur miniaturisé et d'autre part un bracelet en matériau élastique fermement attaché au poignet ou à la ceinture ou à la cheville ou bien encore une montre à l'intérieur de laquelle sera ajouté au dispositif d'horlogerie un récepteur radio. Ce récepteur sera non sonore et ne pourra être modifié ou changé en cours d'utilisation. De cette façon l'utilisation sera toujours sous la surveillance programmée du dispositif émetteur.In other words the device according to the invention comprises firstly a bracelet or a pin or a fob having a transmitter device of radio waves generated by a transistor supplied by a battery, a distance measuring device and a high miniature speaker and on the other hand a bracelet of elastic material firmly attached to the wrist or to the belt or ankle or even a watch inside which will be added to the clockwork device a radio receiver. This receiver will be non-audible and cannot be modified or changed during use. In this way the use will always be under the programmed surveillance of the transmitting device.
La figure 1 montre schématiquement les constituants principaux du dispositif d'alarme selon l'invention. Le bracelet émetteur comprend un microprocesseur (1) qui est alimenté en puissance par une pile incorporée dans le bracelet (2). Selon une réalisation préférée de l'invention l'alimentation (2) est portée par un ruban (3). Ce ruban peut comporter un dispositif de verrouillage (4) qui empêche le personnel de surveillance de s'en débarrasser. En conséquence, le ruban peut être placé autour du poignet ou autour de la cheville de l'émetteur ou de tout autre utilisateur.Figure 1 schematically shows the main components of the alarm device according to the invention. The transmitter bracelet comprises a microprocessor (1) which is supplied with power by a battery incorporated in the bracelet (2). According to a preferred embodiment of the invention the power supply (2) is carried by a ribbon (3). This tape may include a locking device (4) which prevents surveillance personnel from disposing of it. As a result, the ribbon can be placed around the wrist or around the ankle of the transmitter or any other user.
A défaut de pile, l'alimentation électrique peut être assurée par une batterie au nickel ou au cadmium. L'enfant ou l'utilisateur peut se promener tout autour de la zone de sécurité permise sans que le dispositif sonore ne se mette en route.If there is no battery, power can be supplied by a nickel or cadmium battery. The child or user can walk around the permitted safety zone without the sound device starting up.
La sortie du microprocesseur est connectée à une interface (7), la sortie de ladite interface fournit un signal à l'oscillateur variable (8). Celui-ci comprend un circuit en boucle formé d'une unité d'échantillonnage (9), un mélangeur (14), un détecteur de phase et filtre (13). L'oscillateur (15) délivre également un signal au générateur harmonique (16) connecté à un filtre (17). L'amplificateur (18) est utilisé pour conduire le signal radio émis au dispositif de réception (19) porté par le bracelet émetteur. Au cas où le bracelet receveur serait retiré ou rompu le dispositif émetteur en serait immédiatement informé, car le signal en retour serait considérablement amplifié. The output of the microprocessor is connected to an interface (7), the output of said interface provides a signal to the variable oscillator (8). This comprises a loop circuit formed by a sampling unit (9), a mixer (14), a phase detector and filter (13). The oscillator (15) also delivers a signal to the harmonic generator (16) connected to a filter (17). The amplifier (18) is used to conduct the radio signal transmitted to the reception device (19) carried by the transmitter bracelet. In the event that the receiver bracelet is removed or broken, the sending device will be immediately informed, since the return signal would be considerably amplified.

Claims

REVENDICATIONS
1. Dispositif d'alarme en deux parties l'une portée par une personne assurant la surveillance et l'autre portée par une autre personne ou contenue dans un objet à surveiller, caractérisé en ce qu'il comporte un émetteur sonore dont l'intensité est modulée en fonction de la distance qui sépare les porteurs des deux parties du dispositif d'alarme.1. Two-part alarm device, one carried by a person providing surveillance and the other carried by another person or contained in an object to be monitored, characterized in that it comprises a sound transmitter whose intensity is modulated according to the distance separating the carriers from the two parts of the alarm device.
2. Dispositif d'alarme selon la revendication 1, caractérisé en ce qu'il émet un son dont l'intensité est faible lorsque la partie émettrice et la partie réceptrice sont séparées par une distance restreinte.2. Alarm device according to claim 1, characterized in that it emits a sound whose intensity is low when the transmitting part and the receiving part are separated by a restricted distance.
3. Dispositif d'alarme selon la revendication 1, caractérisé en ce qu'il émet un son dont l'intensité est plus grande lorsque la distance qui sépare la partie émettrice et la partie réceptrice dépasse un certain seuil.3. Alarm device according to claim 1, characterized in that it emits a sound whose intensity is greater when the distance which separates the transmitting part and the receiving part exceeds a certain threshold.
4. Dispositif d'alarme selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif émetteur est porté par la personne qui effectue la surveillance, incorporé dans un bracelet ou incorporé dans une pochette.4. Alarm device according to one of claims 1 to 3, characterized in that the transmitter device is worn by the person performing the monitoring, incorporated in a bracelet or incorporated in a pocket.
5. Dispositif d'alarme selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif récepteur prend la forme d'un bracelet en matériau souple ou la forme d'une montre.5. Alarm device according to one of claims 1 to 3, characterized in that the receiving device takes the form of a bracelet of flexible material or the shape of a watch.
6. Dispositif d'alarme selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif émetteur émet une onde sonore ou une émission d'ondes radio.6. Alarm device according to one of claims 1 to 5, characterized in that the emitting device emits a sound wave or an emission of radio waves.
7. Dispositif d'alarme selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif émetteur comporte en outre un moyen de mesure de distance.7. Alarm device according to one of claims 1 to 6, characterized in that the transmitter device further comprises a distance measuring means.
8. Dispositif d'alarme selon l'une des revendications 1 à 7, caractérisé en ce que le dispositif émetteur comporte en outre un haut parleur miniaturisé. 8. Alarm device according to one of claims 1 to 7, characterized in that the transmitter device further comprises a miniature speaker.
9. Dispositif d'alarme selon l'une des revendications 1 à 8, caractérisé en ce que le dispositif récepteur en forme de montre comporte en outre un récepteur radio.9. Alarm device according to one of claims 1 to 8, characterized in that the watch-shaped receiving device further comprises a radio receiver.
10. Utilisation du dispositif d'alarme selon l'une des revendications 1 à 9, pour la surveillance des jeunes enfants ou des personnes âgées dépendantes. 10. Use of the alarm device according to one of claims 1 to 9, for monitoring young children or the elderly dependent.
PCT/FR1999/000948 1999-04-21 1999-04-21 Alarm device and applications WO2000065549A1 (en)

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PCT/FR1999/000948 WO2000065549A1 (en) 1999-04-21 1999-04-21 Alarm device and applications

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PCT/FR1999/000948 WO2000065549A1 (en) 1999-04-21 1999-04-21 Alarm device and applications

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WO2000065549A1 true WO2000065549A1 (en) 2000-11-02

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675656A (en) * 1984-03-16 1987-06-23 Narcisse Bernadine O Out-of-range personnel monitor and alarm
US4973944A (en) * 1989-05-19 1990-11-27 Maletta Gabriel J Electrical signal and alarm protection proximity device
US5067441A (en) * 1990-12-10 1991-11-26 Torrington Product Ventures, Inc. Electronic assembly for restricting animals to defined areas
WO1993025983A1 (en) * 1992-06-16 1993-12-23 Kuehnert Eduard Method and device for the protection of people or objects
US5298883A (en) * 1992-01-17 1994-03-29 Pilney Richard G Proximity alert system
FR2704345A1 (en) * 1993-04-20 1994-10-28 Gadi Andre Direct monitoring
US5589821A (en) * 1994-12-13 1996-12-31 Secure Technologies, Inc. Distance determination and alarm system
GB2320598A (en) * 1996-12-17 1998-06-24 Thomas Henry Butler Signal sending and receiving system
US5841352A (en) * 1997-06-18 1998-11-24 Prakash; Sushil Child monitor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675656A (en) * 1984-03-16 1987-06-23 Narcisse Bernadine O Out-of-range personnel monitor and alarm
US4973944A (en) * 1989-05-19 1990-11-27 Maletta Gabriel J Electrical signal and alarm protection proximity device
US5067441A (en) * 1990-12-10 1991-11-26 Torrington Product Ventures, Inc. Electronic assembly for restricting animals to defined areas
US5298883A (en) * 1992-01-17 1994-03-29 Pilney Richard G Proximity alert system
WO1993025983A1 (en) * 1992-06-16 1993-12-23 Kuehnert Eduard Method and device for the protection of people or objects
FR2704345A1 (en) * 1993-04-20 1994-10-28 Gadi Andre Direct monitoring
US5589821A (en) * 1994-12-13 1996-12-31 Secure Technologies, Inc. Distance determination and alarm system
GB2320598A (en) * 1996-12-17 1998-06-24 Thomas Henry Butler Signal sending and receiving system
US5841352A (en) * 1997-06-18 1998-11-24 Prakash; Sushil Child monitor

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