EP0180566A1 - Alarm signalling device for a person in case of an emergency - Google Patents

Alarm signalling device for a person in case of an emergency Download PDF

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Publication number
EP0180566A1
EP0180566A1 EP85870140A EP85870140A EP0180566A1 EP 0180566 A1 EP0180566 A1 EP 0180566A1 EP 85870140 A EP85870140 A EP 85870140A EP 85870140 A EP85870140 A EP 85870140A EP 0180566 A1 EP0180566 A1 EP 0180566A1
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EP
European Patent Office
Prior art keywords
transistors
automatic switch
inductive coupling
circuits
coupled
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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.)
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Application number
EP85870140A
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German (de)
French (fr)
Inventor
Jean-Pierre Bourgeois
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.)
Cabinet Jourdain-Mayne Sprl
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Cabinet Jourdain-Mayne Sprl
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Priority claimed from BE0/213832A external-priority patent/BE900822A/en
Application filed by Cabinet Jourdain-Mayne Sprl filed Critical Cabinet Jourdain-Mayne Sprl
Publication of EP0180566A1 publication Critical patent/EP0180566A1/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/0297Robbery alarms, e.g. hold-up alarms, bag snatching alarms

Definitions

  • the present invention relates to an apparatus for signaling a person in distress, the apparatus comprising a waterproof case worn on the belt and provided with at least one light device, a sound transmitter, dry batteries and possibly provided with devices. flashing lights, the device is switched on by an automatic switch.
  • Its purpose is to signal and indicate the location of a person who has collapsed on the ground, without being able to get up.
  • the device can report such a fall both day and night.
  • Devices which, worn on the belt, make it possible to emit a sound, a flashing or intermittent light and / or acoustic signal, as soon as this person is in a critical position.
  • the activation of these known detectors is established by an automatic contact. The activation of these contacts is varied and depends on the case of distress.
  • the known electronic circuits intended to sound the alarm consist of one or more busers, small dry cells and a contact for energizing the process.
  • the light signals formed by these known devices are generally of low power of the order of 100 mA at 12V voltage and the acoustic signals, launched at regular intervals, are monotonic and annoying.
  • the energy consumption of such systems is relatively large so that the batteries have a relatively limited lifespan.
  • the invention is intended to remedy these drawbacks.
  • a device intended for signaling a person in distress comprising a waterproof housing worn by the patient and provided with at least one light device and a sound transmitter powered by dry batteries and possibly provided with flashing devices, the switching on of the device being carried out by an automatic switch, essentially characterized in that it also includes a flip-flop type static relay, consisting of two transistors arranged in two amplifier stages and coupled by a common transmitter resistor supplied by the batteries dry, supplying a nozzle and having an inductive coupling between the output circuits and the input circuits, so as to produce a regular train of sawtooth pulses, of increasing amplitude and frequency, of high voltage suitable for feed a gas-filled discharge tube.
  • a flip-flop type static relay consisting of two transistors arranged in two amplifier stages and coupled by a common transmitter resistor supplied by the batteries dry, supplying a nozzle and having an inductive coupling between the output circuits and the input circuits, so as to produce a regular train of sawtooth pulses, of increasing amplitude and frequency, of high voltage
  • an inductive coupling is provided between the input circuits and the output circuits of two transistors coupled by a common emitter resistor.
  • the automatic switch consists of a pair of mercury contactors, oriented in left directions relative to each other, each forming an inclination of approximately 75 ° symmetrically relative to to a vertical axis and a horizontal axis.
  • the automatic switch consists of a magnetic wrinkle which is activated by removing a magnet attached to a ferromagnetic plate mounted on a housing, at the height of the magnetic wrinkle.
  • an apparatus intended for signaling a person in distress comprises a sealed casing 1, for example made of plastic or metal, the shape of which is adapted to the use of each case of distress.
  • a preferred form is that of a cigarette pack, which is hung on the belt.
  • This housing 1 includes orifices 2 so as to let out the sound.
  • Part 3 of the housing is made of translucent or transparent material in order to let light signals emerge.
  • the transparent part comprises one or more high power tubes 4 and at least one reflector 5.
  • the device comprises an electronic circuit comprising a gas-filled discharge tube (flash), a voltage source 7 consisting of dry batteries, preferably 1.5 V, baffles, or possibly of nozzles, and a contactor 8 power up.
  • a gas-filled discharge tube flash
  • a voltage source 7 consisting of dry batteries, preferably 1.5 V, baffles, or possibly of nozzles
  • a contactor 8 power up.
  • the contact can be a magnetic wrinkle, making the tear-off contact, a mercury balance, a quartz timer or a sensitive cell.
  • the electronic circuit is in fact only a static relay of the flip-flop type, making it possible to generate square pulses.
  • This circuit is illustrated in Figure 2. It consists of two transistors Tl and T2 arranged in two amplifier stages and coupled by a common emitter resistor (E).
  • An inductive coupling is provided between the output circuits, here the collectors C 1 and C 2 of the transistors T 1 and T 2 and the input circuit, that is to say the bases since the emitters are connected to ground .
  • This inductive coupling is carried out by a ferrite transformer T comprising a very large number of secondary turns.
  • the negative pulses applied simultaneously to the bases B 1 and B 2 of the two transistors for example of the BD 201 type for powers of 3 or 4 watt or of the BD 202 type for higher powers up to the order of 20 watt n 'have action only on the saturated transistor and consequently cause a change of state of these transistors T 1 and T 2 .
  • This device forms a static relay of the flip-flop type, produced in practice by means of three transistors and of a semiconductor.
  • a power tansistor or thyristor sends the current pulse to the discharge tube.
  • This electronic circuit discharges and resets the flash automatically.
  • the flip-flop is completed by a power transistor.
  • the function of the flash essentially consists in launching approximately every 4 seconds a powerful flash intended to signal the position of the victim.
  • This static relay is characterized by a very high operating speed.
  • the invention in fact relates to a transmission oscillator, which like other oscillators of the same type, allows the production of high continuous voltage for low powers, particularly intended for supplying a gas filled discharge tube.
  • the oscillator according to the invention offers the particularity of constituting a frequency modulation device in a relatively wide audible frequency range by simultaneously making it possible to modulate the amplitude of the sounds, so as to produce a very characteristic signal which is clearly distinguishes signals known to date.
  • This device offers the advantage of consuming very little electrical energy.
  • Two 1.5 V alkaline batteries each make it possible to produce approximately 8,000 sequences of discharges and source calls for approximately 10 hours, before being exhausted.
  • the device has the advantage of allowing radiotelegraphy of the particular acoustic signals with damped waves.
  • the transmitter frequency is to be determined by the Régie T.T.
  • the circuit includes an active LF filter used as a LF STOBBE oscillator.
  • the filter is used to modulate the transmitter.
  • the receiver includes a ZN 414 microprocessor with direct amplification in integrated circuit. It also has a bandwidth filter to protect the system from interference.
  • Automatic switches are normally open mercury contactors.
  • the relative position of the two contactors makes it possible to switch on the contact as soon as the device is reversed and this for any lying position.

Abstract

A transistor-based oscillator, comprising two transistors configured as amplifier stages and coupled by a common emitter resistor, by offering an inductive coupling between the output circuits and the input circuits, permits the generation of sawtooth pulses, of increasing amplitude and higher and higher frequency, giving characteristic audible signals and luminous flashes, used ideally in an appliance intended to signal persons in distress. <IMAGE>

Description

La présente invention est relative à un appareil destiné à signaler une personne en détresse, l'appareil comportant un boîtier étanche porté à la ceinture et muni d'au moins un dispositif lumineux, un émetteur de sons, des piles sèches et éventuellement pourvu de dispositifs clignotants, l'enclenchement de l'appareil étant réalisé par un interrupteur automatique.The present invention relates to an apparatus for signaling a person in distress, the apparatus comprising a waterproof case worn on the belt and provided with at least one light device, a sound transmitter, dry batteries and possibly provided with devices. flashing lights, the device is switched on by an automatic switch.

Elle a pour but de signaler et d'indiquer l'endroit où se trouve une personne qui se serait écroulée sur le sol, sans être capable de se relever.Its purpose is to signal and indicate the location of a person who has collapsed on the ground, without being able to get up.

L'appareil permet de signaler une telle chute aussi bien le jour que la nuit.The device can report such a fall both day and night.

On connaît des appareils qui, porté à la ceinture, permettent d'émettre un son, un signal lumineux et/ou acoustique clignotant ou intermittant, dès que cette personne se trouve en position critique. La mise en fonction de ces détecteurs connus est établie par un contact automatique. La mise en fonction de ces contacts est variée et dépend du cas de détresse.Devices are known which, worn on the belt, make it possible to emit a sound, a flashing or intermittent light and / or acoustic signal, as soon as this person is in a critical position. The activation of these known detectors is established by an automatic contact. The activation of these contacts is varied and depends on the case of distress.

Les circuits électroniques connus destinés à sonner l'alarme sont constitués d'un ou plusieurs busers, de piles sèches de faible dimension et d'un contact de mise sous tension du processus.The known electronic circuits intended to sound the alarm consist of one or more busers, small dry cells and a contact for energizing the process.

Les signaux lumineux formés par ces dispositifs connus sont généralement de faible puissance de l'ordre de 100 mA sous une tension de 12V et les signaux acoustiques, lancés à intervalles réguliers, sont monotoniques et agaçants. De plus, la consommation d'énergie de tels systèmes, est relativement importante de telle sorte que les batteries ont une durée de vie relativement limitée.The light signals formed by these known devices are generally of low power of the order of 100 mA at 12V voltage and the acoustic signals, launched at regular intervals, are monotonic and annoying. In addition, the energy consumption of such systems is relatively large so that the batteries have a relatively limited lifespan.

L'invention est destinée à remédier à ces inconvénients.The invention is intended to remedy these drawbacks.

Elle concerne un appareil destiné à signaler une personne en détresse, comportant un boîtier étanche porté par le patient et muni d'au moins un dispositif lumineux et d'un émetteur de sons alimenté par des piles sèches et éventuellement pourvu de dispositifs clignotants, l'enclenchement de l'appareil étant réalisé par un interrupteur automatique, essentiellement caractérisé en ce qu'il comporte également un relais statique du type bascule, constitué de deux transistors disposés en deux étages amplificateurs et couplés par une résistance d'émetteur commune alimentée par les piles sèches, alimentant un buser et présentant un couplage inductif entre les circuits de sortie et les circuits d'entrée, de manière à produire un train régulier d'impulsions en dents de scie, d'amplitude et de fréquences croissantes, de haute tension aptes à alimenter un tube à décharge à remplissage gazeux.It relates to a device intended for signaling a person in distress, comprising a waterproof housing worn by the patient and provided with at least one light device and a sound transmitter powered by dry batteries and possibly provided with flashing devices, the switching on of the device being carried out by an automatic switch, essentially characterized in that it also includes a flip-flop type static relay, consisting of two transistors arranged in two amplifier stages and coupled by a common transmitter resistor supplied by the batteries dry, supplying a nozzle and having an inductive coupling between the output circuits and the input circuits, so as to produce a regular train of sawtooth pulses, of increasing amplitude and frequency, of high voltage suitable for feed a gas-filled discharge tube.

Suivant une particularité de l'invention, un couplage inductif est prévu entre les circuits d'entrée et les circuits de sortie de deux transistors couplés par une résistance d'émetteur commune.According to a feature of the invention, an inductive coupling is provided between the input circuits and the output circuits of two transistors coupled by a common emitter resistor.

Dans une forme de réalisation particulière, l'interrupteur automatique est constitué d'une paire de contacteurs au mercure, orientés dans des directions gauches l'une par rapport à l'autre, en formant chacune une inclinaison d'environ 75° symétriquement par rapport à un axe vertical et un axe horizontal.In a particular embodiment, the automatic switch consists of a pair of mercury contactors, oriented in left directions relative to each other, each forming an inclination of approximately 75 ° symmetrically relative to to a vertical axis and a horizontal axis.

Dans une autre forme de réalisation, l'interrupteur automatique est constitué d'une ride magnétique que l'on enclanche en retirant un aimant accolé à une plaquette ferromagnétique monté sur un boîtier, à hauteur du ride magnétique.In another embodiment, the automatic switch consists of a magnetic wrinkle which is activated by removing a magnet attached to a ferromagnetic plate mounted on a housing, at the height of the magnetic wrinkle.

D'autres particularités et détails de l'invention ressortiront de la description suivante des dessins ci- annexés qui représentent à titre illustratif une forme de réalisation de l'invention.Other features and details of the invention will emerge from the following description of the accompanying drawings which illustrate by way of illustration an embodiment of the invention.

Dans ces dessins :

  • - la figure 1 est une vue en perspective d'un appareil destiné à signaler une personne en détresse,
  • - la figure 2 est un schéma de circuit électronique permettant à la fois l'émission d'un signal acoustique intermittant et d'un signal lumineux clignotant puissant;
  • - la figure 3 montre en élévation latérale, une paire de contacteurs au mercure orienté selon des axes gauches, en formant un angle prédéterminé avec la verticale;
  • - la figure 4 est une vue en plan de la paire de contacteurs au mercure montrée à la figure 1;
  • - la figure 5 illustre un appareil suivant l'invention, équipé d'un ride magnétique,
  • - les figures 6 et 7 sont des schémas de circuits électroniques d'un émetteur et récepteur radiotélégraphique des signaux produits par le dispositif suivant l'invention, et
  • - la figure 8 illustre l'allure des impulsions générées par le circuit électronique susdit.
In these drawings:
  • FIG. 1 is a perspective view of an apparatus intended to signal a person in distress,
  • - Figure 2 is an electronic circuit diagram allowing both the emission of an intermittent acoustic signal and a strong flashing light signal;
  • - Figure 3 shows in side elevation, a pair of mercury contactors oriented along left axes, forming a predetermined angle with the vertical;
  • - Figure 4 is a plan view of the pair of mercury contactors shown in Figure 1;
  • FIG. 5 illustrates an apparatus according to the invention, equipped with a magnetic wrinkle,
  • FIGS. 6 and 7 are diagrams of electronic circuits of a radiotelegraph transmitter and receiver of the signals produced by the device according to the invention, and
  • - Figure 8 illustrates the shape of the pulses generated by the above electronic circuit.

Dans ces différentes figures, les mêmes notations de référence désignent des éléments identiques ou analogues.In these different figures, the same reference notations designate identical or analogous elements.

Comme illustré à la figure 1, un appareil destiné à signaler une personne en détresse comporte un boîtier étanche 1, par exemple en matière plastique ou en métal, dont la forme est adaptée à l'usage de chaque cas de détresse. Une forme préférée est celle d'un paquet de cigarette, que l'on accroche à la ceinture.As illustrated in FIG. 1, an apparatus intended for signaling a person in distress comprises a sealed casing 1, for example made of plastic or metal, the shape of which is adapted to the use of each case of distress. A preferred form is that of a cigarette pack, which is hung on the belt.

Ce boîtier 1 comprend des orifices 2 de manière à laisser sortir le son.This housing 1 includes orifices 2 so as to let out the sound.

Une partie 3 du boîtier est réalisée en matière translucide ou transparente afin de laisser jaillir les signaux lumineux.Part 3 of the housing is made of translucent or transparent material in order to let light signals emerge.

La partie transparente comporte une ou plusieurs tubes 4 de forte puissance et au moins un réflecteur 5.The transparent part comprises one or more high power tubes 4 and at least one reflector 5.

L'appareil comporte un circuit électronique comprenant un tube à décharges à remplissage gazeux (flash), une source de tension 7 constituée de piles sèches, de préférence 1,5 V, de baffles, ou éventuellement de busers, et d'un contacteur 8 de mise sous tension.The device comprises an electronic circuit comprising a gas-filled discharge tube (flash), a voltage source 7 consisting of dry batteries, preferably 1.5 V, baffles, or possibly of nozzles, and a contactor 8 power up.

Le contact peut être un ride magnétique, réalisant le contact à l'arrachement, un balancier au mercure, une minuterie à quartz ou une cellule sensible.The contact can be a magnetic wrinkle, making the tear-off contact, a mercury balance, a quartz timer or a sensitive cell.

Le circuit électronique n'est en fait qu'un relais statique du type bascule, permettant de générer des impulsions carrées. Ce circuit est illustré à la figure 2. Il est constitué de deux transistors Tl et T2 disposés en deux étages amplificateurs et couplés par une résistance d'émetteur commune (E).The electronic circuit is in fact only a static relay of the flip-flop type, making it possible to generate square pulses. This circuit is illustrated in Figure 2. It consists of two transistors Tl and T2 arranged in two amplifier stages and coupled by a common emitter resistor (E).

Un couplage inductif est prévu entre les circuits de sortie, ici les collecteurs C1 et C2 des transistors T1 et T2 et le circuit d'entrée, c'est-à-dire les bases puisque les émetteurs sont reliés à la masse. Ce couplage inductif est réalisé par un transformateur T à ferrite comprenant un très grand nombre de spires au secondaire.An inductive coupling is provided between the output circuits, here the collectors C 1 and C 2 of the transistors T 1 and T 2 and the input circuit, that is to say the bases since the emitters are connected to ground . This inductive coupling is carried out by a ferrite transformer T comprising a very large number of secondary turns.

En raisonnant sur des transistors n p n et en partant fr l'état initial, dans lequel le transistor T1 est bloqué; tandis que le transistor T2 est saturé, on s'aperçoit qu'une impulsion négative appliquée sur le bas du transistor T2 bloquera celui-ci.By reasoning on npn transistors and starting from the initial state, in which the transistor T 1 is blocked; while the transistor T 2 is saturated, it can be seen that a negative pulse applied to the bottom of the transistor T 2 will block the latter.

Les impulsions négatives appliquées simultanément sur les bases B1 et B2 des deux transistors par exemple du type BD 201 pour des puissances de 3 ou 4 watt ou du type BD 202 pour des puissances plus élevées jusqu'à l'ordre de 20 watt n'ont d'action que sur le transistor saturé et provoquent par conséquent un changement d'état de ces transistors T1 et T 2.The negative pulses applied simultaneously to the bases B 1 and B 2 of the two transistors, for example of the BD 201 type for powers of 3 or 4 watt or of the BD 202 type for higher powers up to the order of 20 watt n 'have action only on the saturated transistor and consequently cause a change of state of these transistors T 1 and T 2 .

Des signaux carrés, d'une cellule RC, passent dans un convertisseur qui emploie la haute tension, permettent d'alterner les états des transistors T1, T2.Square signals, from an RC cell, pass through a converter which uses high voltage, make it possible to alternate the states of the transistors T 1 , T 2 .

Ce dispositif forme un relais statique du type bascule, réalisé en pratique au mùoyen de trois transistors et de à semi-conducteur.This device forms a static relay of the flip-flop type, produced in practice by means of three transistors and of a semiconductor.

Un tansistor de puissance ou thyristor envoie la pulsion de courant au tube à décharges.A power tansistor or thyristor sends the current pulse to the discharge tube.

Ce circuit électronique réalise la décharge et le réenclenchement du flash automatiquement.This electronic circuit discharges and resets the flash automatically.

Enfin, pour obtenir une puissance de sortie appréciable, on complète la bascule par un transistor de puissance.Finally, to obtain an appreciable output power, the flip-flop is completed by a power transistor.

La fonction du flash consiste essentiellement à lancer environ toutes les 4 secondes un éclair puissant destiné à signaler la position de la victime.The function of the flash essentially consists in launching approximately every 4 seconds a powerful flash intended to signal the position of the victim.

Ce relais statique se caractérise par une rapidité de fonctionnement très élevée.This static relay is characterized by a very high operating speed.

L'invention concerne en fait un oscillateur à transmissions, qui comme d'autres oscillateurs du même type, permet la production de haute tension continue pour des puissances minimes, particulièrement destiné à alimenter un tube à décharge à remplissage gazeux.The invention in fact relates to a transmission oscillator, which like other oscillators of the same type, allows the production of high continuous voltage for low powers, particularly intended for supplying a gas filled discharge tube.

On obtient ainsi des oscillations en dents de scie qui peuvent aisément être synchronisées par une fréquence pilote fixe.Sawtooth oscillations are thus obtained which can easily be synchronized by a fixed pilot frequency.

Cependant, l'oscillateur suivant l'invention, offre la particularité de constituer un dispositif de modulation de fréquence dans une gamme de fréquences audible relativement large en permettant simultanément de moduler l'amplitude des sons, de manière à produire un signal très caractéristique qui se distingue nettement des signaux connus à ce jour. On assiste à un balayage régulier d'une gamme de fréquence parfaitement audible, allant des sons graves aux ultra-sons dans un intervalle de 1 à 10 secondes.However, the oscillator according to the invention offers the particularity of constituting a frequency modulation device in a relatively wide audible frequency range by simultaneously making it possible to modulate the amplitude of the sounds, so as to produce a very characteristic signal which is clearly distinguishes signals known to date. There is a regular scan of a perfectly audible frequency range, ranging from low tones to ultrasound in an interval of 1 to 10 seconds.

Ce dispôsitif offre l'avantage de ne consomer que très peu d'énergie électrique. Deux batteries alcaline de 1,5 V chacune permettent en effet de produire environ 8.000 séquences de décharges et d'appels sources pendant environ 10 heures, avant d'être épuisés.This device offers the advantage of consuming very little electrical energy. Two 1.5 V alkaline batteries each make it possible to produce approximately 8,000 sequences of discharges and source calls for approximately 10 hours, before being exhausted.

En outre, le dispositif a l'avantage de permettre la radiotélégraphie des signaux acoustiques particuliers à ondes amorties.In addition, the device has the advantage of allowing radiotelegraphy of the particular acoustic signals with damped waves.

On connaît en effet des sons d'amplitude croissante et de tonalité de plus en plus aiguë.We know indeed sounds of increasing amplitude and more and more acute tone.

Des schemas d'encodeur et de récepteur susceptibles d'être utilisés dans ce but sont donnés aux figures 5 et 7.Encoder and receiver diagrams which can be used for this purpose are given in Figures 5 and 7.

La fréquence de l'émetteur est à déterminer par la Régie T.T. Le circuit comporte un filtre actif BF utilisé en oscillateur BF STOBBE. Le filtre sert à moduler l'émetteur.The transmitter frequency is to be determined by the Régie T.T. The circuit includes an active LF filter used as a LF STOBBE oscillator. The filter is used to modulate the transmitter.

Le récepteur comporte un microprocesseur ZN 414 à amplification directe en circuit intégré. Il comporte également un filtre à bande passante destiné à protéger le système contre les interférences.The receiver includes a ZN 414 microprocessor with direct amplification in integrated circuit. It also has a bandwidth filter to protect the system from interference.

Les interrupteurs automatiques sont des contacteurs à mercure normalement ouverts. La position relative des deux contacteurs permet d'enclencher le contact dès que l'appareil est renversé et ce pour n'importe quelle position couchée.Automatic switches are normally open mercury contactors. The relative position of the two contactors makes it possible to switch on the contact as soon as the device is reversed and this for any lying position.

Il est évident que l'invention n'est pas limitée à la forme de réalisation décrite ci-dessus et que les nombreuses modifications peuvent être apportées sans soustraire celle-ci du cadre des revendications suivantes.It is obvious that the invention is not limited to the embodiment described above and that numerous modifications can be made without removing it from the scope of the following claims.

Les schémas ci-dessus ont été tracés pour le cas de transistors du type p.n.p.; dans le cas du type n.p.n., on obtient les schémas correspondants en renversant le sens des tensions appliquées aux électrodes. On utiliserait alors avantageusement des transistors du type BC212.The diagrams above were traced for the case of transistors of the type p.n.p .; in the case of the n.p.n. type, the corresponding diagrams are obtained by reversing the direction of the voltages applied to the electrodes. BC212 type transistors would then be advantageously used.

Claims (4)

1. Appareil destiné à signaler une situation de détresse, comportant un boîtier étanche (1) muni d'au moins un dispositif lumineux (4 ) et d'un émetteur de sons (9 ), alimenté par des piles sèches (7) et éventuellement pourvu de dispositifs clignotants , l'enclenchement de l'appareil étant réalisé par un interrupteur automatique (8) caractérisé en ce qu'il comporte également un relais statique du type bascule, constitué de deux transistors (T1,T2) disposés en deux étages amplificateurs et couplés par une résistance d'émetteur (E) commune alimenté par les piles sèches (7), alimentant un buser (9) et présentant un couplage inductif entre les circuits de sortie (C) et les circuits d'entrée (B) de transit (T1,T2), de manière à produire un train régulier d'impulsions en dents de scie, d'amplitude et de fréquences croissantes, de haute tension aptes à alimenter un tube à décharge à remplissage gazeux.1. Apparatus for signaling a distress situation, comprising a waterproof box (1) provided with at least one light device (4) and a sound transmitter (9), powered by dry batteries (7) and possibly provided with flashing devices, the switching on of the device being carried out by an automatic switch (8) characterized in that it also comprises a static relay of the flip-flop type, consisting of two transistors (T1, T2) arranged in two amplifier stages and coupled by a common emitter resistor (E) supplied by the dry cells (7), supplying a nozzle (9) and having an inductive coupling between the output circuits (C) and the input circuits (B) of transit (T1, T2), so as to produce a regular train of sawtooth pulses, of increasing amplitude and frequency, of high voltage capable of supplying a gas-filled discharge tube. 2. Appareil selon la revendication 1, caractérisé en ce qu'un couplage inductif est réalisée par un transformateur à ferrite entre les circuits d'entrée (B) et les circuits de sortie ( C ) de deux transistors (T1,T2)couplés par une résistance d'émetteur commune.2. Apparatus according to claim 1, characterized in that an inductive coupling is carried out by a ferrite transformer between the input circuits (B) and the output circuits (C) of two transistors (T 1 , T 2 ) coupled by a common emitter resistor. 3. Appareil selon l'une des revendications 1 ou 2, l'interrupteur automatique est constitué d'une paire de contacteurs au mercure (8 ), orientés dans des directions gauches l'une par rapport à l'autre, en formant chacune une inclinaison d'environ 75° symétriquement par rapport à un axe vertical et un axe horizontal.3. Apparatus according to one of claims 1 or 2, the automatic switch consists of a pair of mercury contactors (8), oriented in left directions relative to each other, each forming an inclination of approximately 75 ° symmetrically with respect to a vertical axis and a horizontal axis. 4. Appareil selon l'une des revendications 1 ou 2, caractérisé en ce que l'interrupteur automatique est constitué d'un ride magnétique (9) que l'on enclanche en retirant un aimant ( 10 ) accolé à une plaquette ferromagnétique (11) montée sur un boîtier (1) à hauteur du ride magnétique ( 9 ).4. Apparatus according to one of claims 1 or 2, characterized in that the automatic switch consists of a magnetic wrinkle (9) which is activated by removing a magnet (10) attached to a ferromagnetic plate (11 ) mounted on a housing (1) at the height of the magnetic wrinkle (9).
EP85870140A 1984-10-15 1985-10-15 Alarm signalling device for a person in case of an emergency Withdrawn EP0180566A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE0/213832A BE900822A (en) 1984-10-15 1984-10-15 Personal distress signalling device - comprises intermittently operating buzzer, light and ultrasound generator
BE213832 1984-10-15

Publications (1)

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EP0180566A1 true EP0180566A1 (en) 1986-05-07

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Application Number Title Priority Date Filing Date
EP85870140A Withdrawn EP0180566A1 (en) 1984-10-15 1985-10-15 Alarm signalling device for a person in case of an emergency

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271207A (en) * 1992-10-03 1994-04-06 Status Innovations Limited Alarm device
GB2287564A (en) * 1994-03-09 1995-09-20 John Adam French Overboard alarm and detector

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614763A (en) * 1969-03-18 1971-10-19 Anthony Yannuzzi Prone position alarm
US4013921A (en) * 1975-06-02 1977-03-22 Austin Electronics, Inc. Warning light control
FR2406859A1 (en) * 1977-10-21 1979-05-18 Badens Gerard Anti-aggression personal alarm system - consists of flashlamp housing alarm circuit which is actuated by shock detector
US4241332A (en) * 1979-02-05 1980-12-23 Body Guard, Inc. Personal security alarm
DE3008846A1 (en) * 1980-03-07 1981-10-01 Lydia von der 7140 Ludwigsburg Osten Personal emergency alarm unit - uses alarm generator in compact housing for protection of individual against criminal theft and assault
US4403341A (en) * 1981-02-26 1983-09-06 Kiyoshi Hata Emergency information communicating device
EP0093350A1 (en) * 1982-04-29 1983-11-09 Corrado Rizzo Optical acoustical apparatus, particularly for personal safety
US4468656A (en) * 1981-06-24 1984-08-28 Clifford Thomas J Emergency signalling unit and alarm system for rescuing endangered workers

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614763A (en) * 1969-03-18 1971-10-19 Anthony Yannuzzi Prone position alarm
US4013921A (en) * 1975-06-02 1977-03-22 Austin Electronics, Inc. Warning light control
FR2406859A1 (en) * 1977-10-21 1979-05-18 Badens Gerard Anti-aggression personal alarm system - consists of flashlamp housing alarm circuit which is actuated by shock detector
US4241332A (en) * 1979-02-05 1980-12-23 Body Guard, Inc. Personal security alarm
DE3008846A1 (en) * 1980-03-07 1981-10-01 Lydia von der 7140 Ludwigsburg Osten Personal emergency alarm unit - uses alarm generator in compact housing for protection of individual against criminal theft and assault
US4403341A (en) * 1981-02-26 1983-09-06 Kiyoshi Hata Emergency information communicating device
US4468656A (en) * 1981-06-24 1984-08-28 Clifford Thomas J Emergency signalling unit and alarm system for rescuing endangered workers
EP0093350A1 (en) * 1982-04-29 1983-11-09 Corrado Rizzo Optical acoustical apparatus, particularly for personal safety

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2271207A (en) * 1992-10-03 1994-04-06 Status Innovations Limited Alarm device
GB2287564A (en) * 1994-03-09 1995-09-20 John Adam French Overboard alarm and detector

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