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FR2590680A1 - DEVICE FOR MONITORING THE PRESENCE IN A NEAR ZONE OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING - Google Patents

DEVICE FOR MONITORING THE PRESENCE IN A NEAR ZONE OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING Download PDF

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Publication number
FR2590680A1
FR2590680A1 FR8517591A FR8517591A FR2590680A1 FR 2590680 A1 FR2590680 A1 FR 2590680A1 FR 8517591 A FR8517591 A FR 8517591A FR 8517591 A FR8517591 A FR 8517591A FR 2590680 A1 FR2590680 A1 FR 2590680A1
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France
Prior art keywords
transmitter
signal
human
animal
output
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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.)
Granted
Application number
FR8517591A
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French (fr)
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FR2590680B1 (en
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Individual
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Individual
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Filing date
Publication date
Priority to FR8517591A priority Critical patent/FR2590680B1/en
Application filed by Individual filed Critical Individual
Priority to DE8686402650T priority patent/DE3677746D1/en
Priority to JP61506384A priority patent/JPS63501747A/en
Priority to AT86402650T priority patent/ATE61138T1/en
Priority to AU67228/87A priority patent/AU6722887A/en
Priority to EP86402650A priority patent/EP0230173B1/en
Priority to PCT/FR1986/000407 priority patent/WO1987003404A1/en
Publication of FR2590680A1 publication Critical patent/FR2590680A1/en
Priority to NO872958A priority patent/NO872958D0/en
Priority to DK374687A priority patent/DK374687A/en
Priority to FI873219A priority patent/FI873219A/en
Priority to OA59173A priority patent/OA08685A/en
Priority to KR870700638A priority patent/KR880700978A/en
Application granted granted Critical
Publication of FR2590680B1 publication Critical patent/FR2590680B1/en
Expired 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
    • 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
    • G08B21/0294—Display details on parent unit
    • 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
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Alarm Systems (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Road Paving Structures (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

A device for the remote surveyance of a moving object, an animal or a human being comprises, on the object, the animal or the human being monitored, a portable transmitter (1) including an RF oscillator (6) and means (8, 9) for chopping the output RF carrier from the oscillator (6) into a train of amplitude modulated signals forming a coded signal of identification of the transmitter holder, and also comprises a remote receiver housed into a portable casing (2). In order to facilitate the localization of the transmitter holder or carrier, the receiver comprises only a whip antenna (5) which is manually orientable in all directions and the receiver circuit comprises a decoder (28) at the input of which is applied the received coded signal, means (30, 31, 33) producing a sound signal are connected at the output of the decoder and means (32, 39-43) producing a variable light signal are connected to the output of the decoder (28) to give a visual indication varying as a function of the direction and the distance of the transmitter (1).

Description

La présente invention concerne un dispositif de surveillance de laThe present invention relates to a device for monitoring the

présence, dans une zone proche, d'un  presence, in a nearby area, of a

objet mobile, d'un animal ou d'un être humain.  mobile object, an animal or a human being.

On sait que les animaux domestiques ont tendance, assez souvent, à faire des fugues, assez loin du lieu de leur séjour habituel. Il en résulte, pour les propriétaires de ces animaux, des recherches assez longues, et souvent infructueuses. Par ailleurs le même problème se pose en ce qui In concerne la surveillance d'enfants susceptibles de faire l'objet d'enlèvements, ou encore de véhicules susceptibles  We know that domestic animals tend, quite often, to run away, far enough away from their usual place of residence. The result for the owners of these animals is rather long and often fruitless research. Moreover, the same problem arises with regard to the surveillance of children likely to be abducted, or vehicles likely to

d'être volés.to be stolen.

La présente invention vise à résoudre ce problème de la surveillance par des moyens très simples qui permettent de signaler automatiquement l'instant o l'objet mobile, l'animal ou l'être humain sort d'une zone géographiquement déterminée, et de localiser la direction dans laquelle se  The present invention aims to solve this problem of surveillance by very simple means which make it possible to automatically indicate when the moving object, the animal or the human being leaves a geographically determined area, and to locate the direction in which

trouve alors l'objet,]'animal ou l'être humain surveille.  then find the object, the animal or the human being is watching.

A cet effet ce dispositif de surveillance de la 2n présence, dans une zone proche, d'un objet mobile, d'un animal ou d'un être humain, est caractérisé en ce qu'il comprend, sur l'objet l'animal ou l'être humain surveillé, un émetteur portatif comprenant un oscillateur alimentant un amplificateur dont la sortie est reliée h une antenne, et un circuit hacheur émettant un signal créneau d'identification  For this purpose, this device for monitoring the presence, in a near area, of a moving object, of an animal or of a human being, is characterized in that it comprises, on the object the animal or the monitored human being, a portable transmitter comprising an oscillator supplying an amplifier whose output is connected to an antenna, and a chopper circuit emitting a slot signal of identification

dont le rapport cyclique est choisi de manière à caractéri-  whose cyclical ratio is chosen so as to characterize

ser l'objet, l'être humain ou l'animal portant l'émetteur,  the object, the human being or the animal carrying the transmitter,

ce circuit hacheur étant connecté à l'oscillateur pour dé-  this chopper circuit being connected to the oscillator to de-

couper le signal Amis par celui-ci en train de signaux d'une  cut off the signal Friends by this one by signals of a

3n porteuse correspondant aux créneaux du signal d'identifica-  Carrier corresponding to the slots of the identification signal

tion, et un récepteur goniométrique à antenne mobile compor-  a goniometric receiver with a moving antenna

tant des moyens pour reconnaître le signal reçu en provenan-  both ways to recognize the signal received from

ce de l'émetteur et pour produire un signal visuel et/ou  this of the transmitter and to produce a visual signal and / or

sonore aussitôt que l'objet, l'être humain ou l'animal por-  as soon as the object, the human being or the animal

tant l'émetteur s'éloigne du récepteur goniomé trique d'une  the transmitter moves away from the goniomed receiver of a

distance supérieure à une limite prédéterminée.  distance greater than a predetermined limit.

On décrira ci-aprs,à titre d'exemp]e non limitatif, une forme d'exécution de la présente invention,en référence au dessin annex4 sur lequel: La figure 3 est un schéma illustrant le principe d'un dispositif de surveillance à distance suivant l'inven- tion. La figure 2 est un schéma synoptique du dispositif  One embodiment of the present invention will be described hereinafter by way of non-limiting example, with reference to the accompanying drawing, in which: FIG. 3 is a diagram illustrating the principle of a monitoring device to distance according to the invention. Figure 2 is a block diagram of the device

de surveillance.monitoring.

Le dispositif de surveillance suivant l'invention n10 dont le principe est illustré par la figure 1, comprend un  The monitoring device according to the invention n10, the principle of which is illustrated in FIG.

ensemble émetteur 1 porté par un objet mobile, un être hu-  transmitter set 1 carried by a moving object, a human being

main ou un animal et un récepteur goniométrique 2 situé à distance du précédent. L'émetteur 1 peut être porté de toute façon appropriée, par exemple en étant logé dans un collier 3 porté par l'animal, ou dans un bracelet. L'émetteur 1  hand or animal and a goniometric receiver 2 located at a distance from the previous one. The transmitter 1 can be worn in any appropriate manner, for example by being housed in a collar 3 worn by the animal, or in a bracelet. The transmitter 1

comporte une antenne 4 émettant un train de signaux iden-  comprises an antenna 4 transmitting an identical signal train

tifiant la personne ou l'animal portant l'émetteur. Ce si-  the person or animal carrying the transmitter. This-

qnal est constitué par un train d'oscillations d'une porteu-  qnal consists of a train of oscillations of a carrier

se hachée comportant un signal oscillant pendant une durée a avec un intervalle b entre les signaux de durée a. Le rapport cyclique a/ a + b caractérise ainsi le porteur de  hashed having an oscillating signal for a duration a with an interval b between the duration signals a. The cyclical ratio a / a + b thus characterizes the carrier of

l'émetteur 1.the issuer 1.

Le récepteur goniométrique 2 comporte une antenne rotative 5 effectuant un balayage en azimut et permettant de capter le signal provenant de l'émetteur 1. Le balayage effectué par l'antenne 5 permet de repérer la direction dans laquelle se trouve le porteur de l'émetteur 1, cette direction correspondant à un maximun d'intensité du signal reçu. Comme on peut le voir sur la figure 2 l'émetteur 1 comporte un oscillateur à haute fréquence 6 émettant une porteuse HF dans la bande des 27MHz. Ce signal peut être interrompu de temps en temps, afin d'augmenter]'autonomie d'alimentation. La sortie de l'oscillateur 6 est reliée à un  The goniometric receiver 2 comprises a rotary antenna 5 performing an azimuth scan and making it possible to pick up the signal coming from the transmitter 1. The scanning performed by the antenna 5 makes it possible to identify the direction in which the transmitter carrier is located. 1, this direction corresponding to a maximun of intensity of the received signal. As can be seen in FIG. 2, the transmitter 1 comprises a high frequency oscillator 6 emitting an HF carrier in the 27 MHz band. This signal may be interrupted from time to time, in order to increase the power autonomy. The output of the oscillator 6 is connected to a

amplificateur 7 dont la sortie est connectée à l'antenne 4.  amplifier 7 whose output is connected to the antenna 4.

Par ailleurs l'émetteur 1 contient un circuit hacheur 8 appliquant à l'oscillateur 6 un signal d'identification I pour hacher la porteuse. Ce signal d'identification I est constitué par une succession de créneaux de largeur a et qui sont séparés par des intervalles b. De ce fait l'antenne  Furthermore the transmitter 1 contains a chopper circuit 8 applying to the oscillator 6 an identification signal I for chopping the carrier. This identification signal I consists of a succession of slots of width a and which are separated by intervals b. As a result, the antenna

3 émet à sa sortie une porteuse hachée avec un rapport cy-  3 emits a chopped carrier at its output with a cy-

clique a/ a + b.click on a / a + b.

Le récepteur goniométrique 2 comporte un mélanqeur 9 recevant à une eptrée un signal périodique flo provenant  The goniometric receiver 2 comprises a mixer 9 receiving an epipheum a periodic signal flo from

d'un oscillateur local 10 et, h une seconde entrée, le si-  of a local oscillator 10 and, at a second input, the

gnal fm capté par l'antenne 5 du récepteur goniomêtrique. Le  gnal fm captured by the antenna 5 of the goniometric receiver. The

mélangeur 9 délivre à sa sortie un signal à fréquence inter-  mixer 9 delivers at its output a signal at an inter-

In médiaire fi tel que fi = fm - flo. Ce signal h fréquence intermédiaire est appliqué à un amplificateur 11 connecté à un circuit de démodulation et de filtration 12. Le signal démodulé et filtré est ensuite appliqué à un décodeur 13 qui alimente une lampe témoin 14. Par ailleurs la sortie de l'amplificateur Il est reliée h un galvanomètre 15 pour  In intermediate such that fi = fm - flo. This intermediate frequency signal is applied to an amplifier 11 connected to a demodulation and filtration circuit 12. The demodulated and filtered signal is then applied to a decoder 13 which supplies a control lamp 14. Furthermore the output of the amplifier II is connected to a galvanometer 15 for

donner une indication de l'intensité du signal reçu.  give an indication of the intensity of the received signal.

L'allumage de la lampe témoin 14 qui est branchée à la sortie du décodeur 13, indique que le signal reçu par le récepteur goniométrique 2 est bien celui correspondant h  The lighting of the indicator lamp 14 which is connected to the output of the decoder 13, indicates that the signal received by the goniometric receiver 2 is the one corresponding to

l'émetteur voulu 1.the desired transmitter 1.

Par ailleurs le galvanomètre 15 permet, de repérer la direction en azimut dans laquelle se trouve le porteur de l'émetteur 1, à partir de l'indication de l'aiguille du galvanomètre correspondant h l'intensité maximale du signal  Moreover, the galvanometer 15 makes it possible to locate the direction in azimuth in which the carrier of the transmitter 1 is located, from the indication of the galvanometer hand corresponding to the maximum intensity of the signal.

reçu.received.

Le dispositif suivant l'invention comporte également  The device according to the invention also comprises

un haut-parleur 16 qui est relié à la sortie de l'amplifica-  a speaker 16 which is connected to the output of the amplifier.

teur 11 par l'intermédiaire d'un circuit à seuil 17 qui permet d'émettre un signal sonore aussitôt que le signal reçu en provenance de l'émetteur 1 tombe en dessous d'un  11 by means of a threshold circuit 17 which makes it possible to emit a sound signal as soon as the signal received from the transmitter 1 falls below a threshold.

seuil prédéterminé, ce qui signifie que le porteur de l'é-  predetermined threshold, which means that the carrier of the

metteur 1 a franchi la limite de la zone surveillée.  transmitter 1 crossed the boundary of the guarded area.

On peut être ainsi informé immédiatement de l'éloi-  We can be informed immediately of the

gnement, au-delN d'une limite fixée à l'avance, du porteur de l'émetteur 1, ce qui permet alors de repérer, au moyen du récepteur goniométrique, la direction dans laquelle s'est  beyond a predetermined limit, the carrier of the transmitter 1, which then makes it possible to locate, by means of the goniometric receiver, the direction in which

éloigné le porteur de l'émetteur.  away the carrier from the transmitter.

Bien que le dispositif suivant l'invention ait été décrit dans une application particulière à la surveillance d'un être vivant, il va de soi qu'il peut être employé à toute autre fin, notamment A la surveillance d'un objet mobile quelconque pouvant être volé. Il peut être utilisé notamment pour lasurveillance à distance de véhicules tels que camions, motocyclettes etc... ou encore de bateaux, dans  Although the device according to the invention has been described in a particular application to the monitoring of a living being, it goes without saying that it can be used for any other purpose, in particular the monitoring of any mobile object that can to be stolen. It can be used in particular for remote surveillance of vehicles such as trucks, motorcycles etc ... or boats, in

les ports, pour éviter le vol de ceux-ci.  the ports, to avoid the theft of these.

Claims (4)

REVENDICATIONS 1.- Dispositif de surveillance de la présence, dans une zone proche, d'un objet mobile, d'un animal ou d'un être humain, caractérisé en ce qu'il comprend, sur l'animal ou l'être humain surveillé, un émetteur portatif (1) compre- nant un oscillate'ur (6) alimentant un amplificateur (7) dont la sortie est reliée à une antenne (4), et un circuit hacheur (R) émettant un signal créneau d'identification T  1.- Device for monitoring the presence, in a close area, of a moving object, an animal or a human being, characterized in that it comprises, on the animal or the human being monitored , a portable transmitter (1) comprising an oscillator (6) supplying an amplifier (7) whose output is connected to an antenna (4), and a chopper circuit (R) emitting a slot signal T dont le rapport cyclique est choisi de manière à caractéri-  whose cyclical ratio is chosen so as to characterize ser l'être humain ou l'animal portant l'émetteur (1), ce circuit hacheur(8) étant connecté à l'oscillateur (8) pour découper le signal émis par celui-ci en train de signaux  the human being or the animal carrying the transmitter (1), this chopper circuit (8) being connected to the oscillator (8) for cutting off the signal emitted by the latter in the course of signals d'une porteuse correspondant aux créneaux du signal d'iden-  of a carrier corresponding to the slots of the signal of identification tification I, et un récepteur goniométrique (2) à antenne mobile (5) comportant des moyens pour reconnaître le signal reçu en provenance de l'émetteur (1) et pour produire un signal visuel et/ou sonore aussitôt que l'être humain ou l'animal portant l'émetteur (1) s'éloigne du récepteur goniométrique (2) d'une distance supérieure à une limite  I, and a mobile antenna (5) goniometer receiver having means for recognizing the received signal from the transmitter (1) and producing a visual and / or audible signal as soon as the human or the animal carrying the transmitter (1) moves away from the goniometric receiver (2) by a distance greater than a limit prédéterminée.predetermined. 2.- Dispositif suivant la revendication I caracté-  2. Device according to claim I characterized risé en ce que le récepteur goniométrique (2) comporte un oscillateur local, un circuit mélangeur (9) recevant le  in that the goniometric receiver (2) comprises a local oscillator, a mixer circuit (9) receiving the signal de l'oscillateur local et le signal capté par l'an-  signal from the local oscillator and the signal picked up by the tenne (5) et délivrant à sa sortie un signal à fréquence intermédiaire, un amplificateur (11) de signal à fréquence intermédiaire, et un circuit de décodage (13) connecté, par  terminal (5) and delivering at its output an intermediate frequency signal, an intermediate frequency signal amplifier (11), and a decoding circuit (13) connected by l'intermédiaire d'un circuit de démodulation et de filtra-  through a demodulation and filter circuit tion (12), à la sortie de l'amplificateur à fréquence in-  tion (12) at the output of the frequency amplifier termédiaire (12) et relié à une lampe-témoin (14).  intermediate (12) and connected to a control lamp (14). 3.- Dispositif suivant la revendication 2 caracté-  3. Device according to claim 2 characterized risé en ce qu'il comporte un haut-parleur (16) qui est  in that it includes a loudspeaker (16) which is relié à la sortie de l'amplificateur (11) à fréquence inter-  connected to the output of the frequency-varying amplifier (11) médiaire, à travers un circuit à seuil (17) qui permet d'émettre un signal sonore aussitôt que le signal reçu en provenance de l'émetteur (1) tombe en dessous d'un seuil prédéterminé, ce qui signifie que le porteur de l'émetteur  mediator, through a threshold circuit (17) which makes it possible to emit a sound signal as soon as the signal received from the transmitter (1) falls below a predetermined threshold, which means that the carrier of the transmitter 'transmitter i(1) a franchi la limite de la zone surveillée.  i (1) has crossed the boundary of the area being monitored. 4.- Dispositif suivant l'une quelconque des reven-  4.- Device according to any one of the dications précédentes caractérisé en ce que l'émetteur (1) est logé dans un collier ou bracelet (3) porté par l'animal  preceding dications characterized in that the transmitter (1) is housed in a collar or bracelet (3) worn by the animal ou l'être humain.or the human being.
FR8517591A 1985-11-28 1985-11-28 DEVICE FOR MONITORING THE PRESENCE, IN A NEAR ZONE, OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING Expired FR2590680B1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR8517591A FR2590680B1 (en) 1985-11-28 1985-11-28 DEVICE FOR MONITORING THE PRESENCE, IN A NEAR ZONE, OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING
JP61506384A JPS63501747A (en) 1985-11-28 1986-11-28 A device for remotely monitoring the presence within close range of a moving object, such as an animal or person
AT86402650T ATE61138T1 (en) 1985-11-28 1986-11-28 DEVICE FOR REMOTE PRESENCE MONITORING OF A MOVABLE OBJECT, AN ANIMAL OR A HUMAN BEING IN THE CLOSE AREA.
AU67228/87A AU6722887A (en) 1985-11-28 1986-11-28 Device for the remote surveyance of the presence, in a near area, of a moving object, an animal or a human being
EP86402650A EP0230173B1 (en) 1985-11-28 1986-11-28 Remote presence-monitoring device for a moving object, an animal or a human being within a close proximity
PCT/FR1986/000407 WO1987003404A1 (en) 1985-11-28 1986-11-28 Device for the remote surveyance of the presence, in a near aera, of a moving object, an animal or a human being
DE8686402650T DE3677746D1 (en) 1985-11-28 1986-11-28 DEVICE FOR THE REMOTE PRESENCE MONITORING OF A MOVABLE OBJECT, ANIMAL OR A HUMAN BEING IN THE SURROUNDING AREA.
NO872958A NO872958D0 (en) 1985-11-28 1987-07-15 DEVICE FOR REMOTE MONITORING OF THE PRESENCE, IN A CLOSE AREA, OF A MOVABLE ITEM, ANIMAL OR HUMAN.
DK374687A DK374687A (en) 1985-11-28 1987-07-17 APPLICATIONS FOR REMOTE MONITORING OF THE PRESENCE IN A NEARBY AREA OF A MOVABLE ITEM, ANIMAL OR HUMAN
FI873219A FI873219A (en) 1985-11-28 1987-07-22 ANORDNING FOER OEVERVAKNING PAO AVSTAOND AV NAERVARON I NAEROMRAODET AV ETT ROERLIGT OBJEKT, ETT DJUR ELLER EN MAENNISKA.
OA59173A OA08685A (en) 1985-11-28 1987-07-23 Device for remote monitoring of the presence, in a nearby area, of a moving object, animal or human being.
KR870700638A KR880700978A (en) 1985-11-28 1987-07-23 Remote monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8517591A FR2590680B1 (en) 1985-11-28 1985-11-28 DEVICE FOR MONITORING THE PRESENCE, IN A NEAR ZONE, OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING

Publications (2)

Publication Number Publication Date
FR2590680A1 true FR2590680A1 (en) 1987-05-29
FR2590680B1 FR2590680B1 (en) 1989-01-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR8517591A Expired FR2590680B1 (en) 1985-11-28 1985-11-28 DEVICE FOR MONITORING THE PRESENCE, IN A NEAR ZONE, OF A MOBILE OBJECT, AN ANIMAL OR A HUMAN BEING

Country Status (12)

Country Link
EP (1) EP0230173B1 (en)
JP (1) JPS63501747A (en)
KR (1) KR880700978A (en)
AT (1) ATE61138T1 (en)
AU (1) AU6722887A (en)
DE (1) DE3677746D1 (en)
DK (1) DK374687A (en)
FI (1) FI873219A (en)
FR (1) FR2590680B1 (en)
NO (1) NO872958D0 (en)
OA (1) OA08685A (en)
WO (1) WO1987003404A1 (en)

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GB8901344D0 (en) * 1989-01-21 1989-03-15 Beacham Allan Emergency rescue system
ES2070662B1 (en) * 1992-02-06 1996-11-16 Sanchez Luis Ignacio Zumarraga PERSONAL SECURITY SYSTEM FOR NAVIGATION.
ATE150886T1 (en) * 1993-07-15 1997-04-15 Girolamo Buonavoglia ELECTRONIC DEVICE FOR CONTINUOUS OR DISCONTINUOUS CONNECTION BETWEEN PEOPLE AND OBJECTS
DE69702517D1 (en) * 1996-04-21 2000-08-17 Shoof International Ltd WARNING DEVICE
US6624752B2 (en) 1999-11-15 2003-09-23 Bluetags A/S Object detection system
US6512457B2 (en) 1999-11-15 2003-01-28 Hector Irizarry Monitoring device adapted for use with an electronic article surveillance system
GB2362978A (en) * 2000-06-02 2001-12-05 Janice Glover Location system
NL1016423C2 (en) * 2000-10-18 2002-04-22 Arthur S Consultancy V O F Assembly for locating objects.
JP2004121758A (en) * 2002-10-07 2004-04-22 Toa Denken Kk Illicit act preventive device and illicit act preventive method for slot machine
FR2871894A1 (en) * 2004-06-22 2005-12-23 Cryptiris Sarl Locating system for e.g. person suffering from Alzheimer`s disease, has badges transmitting unique code that permits locator to differentiate badges in same zone, where badges permit locator to pick up any badge present in range zone

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FR2541021A1 (en) * 1983-02-14 1984-08-17 Lagade Alain Miniaturised functional device intended for signalling from any object being separated from the possessor
FR2543715A1 (en) * 1983-03-30 1984-10-05 Mayer Claude Monitoring device triggering an alarm in the case of separation between the user and a person, an animal or a monitored object
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FR2407537A1 (en) * 1977-10-28 1979-05-25 Badens Gerard Object distance measuring and signalling system - uses transmitter on monitored object and receiver at supervision station
FR2460873A1 (en) * 1979-07-10 1981-01-30 Luwa Ag
GB2071956A (en) * 1980-01-08 1981-09-23 Optomech Electronic Co Electronic alarm device
GB2077473A (en) * 1980-06-09 1981-12-16 Baker David Geoffrey Improved switch and stock monitoring system
US4528566A (en) * 1982-08-13 1985-07-09 Tyler Michael D Transmitter and receiver locating device
FR2541021A1 (en) * 1983-02-14 1984-08-17 Lagade Alain Miniaturised functional device intended for signalling from any object being separated from the possessor
WO1984003975A1 (en) * 1983-03-29 1984-10-11 Tello Hb Reminder alarm system
FR2543715A1 (en) * 1983-03-30 1984-10-05 Mayer Claude Monitoring device triggering an alarm in the case of separation between the user and a person, an animal or a monitored object

Also Published As

Publication number Publication date
WO1987003404A1 (en) 1987-06-04
DK374687D0 (en) 1987-07-17
NO872958L (en) 1987-07-15
NO872958D0 (en) 1987-07-15
OA08685A (en) 1989-03-31
DE3677746D1 (en) 1991-04-04
DK374687A (en) 1987-07-17
ATE61138T1 (en) 1991-03-15
EP0230173A1 (en) 1987-07-29
KR880700978A (en) 1988-04-13
JPS63501747A (en) 1988-07-14
EP0230173B1 (en) 1991-02-27
FI873219A0 (en) 1987-07-22
FI873219A (en) 1987-07-22
AU6722887A (en) 1987-07-01
FR2590680B1 (en) 1989-01-20

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