WO2001033524A1 - Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere - Google Patents
Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere Download PDFInfo
- Publication number
- WO2001033524A1 WO2001033524A1 PCT/FR2000/003031 FR0003031W WO0133524A1 WO 2001033524 A1 WO2001033524 A1 WO 2001033524A1 FR 0003031 W FR0003031 W FR 0003031W WO 0133524 A1 WO0133524 A1 WO 0133524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- signal
- tubes
- tube
- supports
- Prior art date
Links
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
- G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
- G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
Definitions
- the present invention relates to a security barrier suitable for delimiting a space on a ground or in a room or constituting an obstacle in a passage and for detecting intrusion attempts or intrusions if it is requested.
- this safety barrier comprises at least one section comprising at least two supports distant from each other, at least one deformable tube which extends between said supports and whose the ends are respectively carried by the latter, a light emitting means placed at one end of said tube so as to emit light therein, a light receiving means placed at the other end of said tube so as to capture the light therein, means for controlling said light emitting means and means for managing the signals received by said light receiving means.
- said section preferably comprises several tubes distant from each other, which extend between said supports and whose ends are respectively carried by the latter, a light emitting means placed respectively at one of the ends of said tubes so as to emit light therein, means for receiving light respectively placed at the other end of said tubes so as to collect light therein, means for selectively controlling said means for emitting light light and means for selective management of the signals received by said light reception means.
- the end, carried by a first support, of at least one tube of a section is preferably provided with a light-emitting means while the ends, carried by this first support, other tubes in this section are provided with light receiving means.
- the safety barrier can advantageously comprise at least two adjacent sections having a common support.
- the ends of said tube or tubes are preferably respectively carried respectively by said supports by means of flexible elements.
- the barrier preferably comprises sealing means placed between said one or more tubes and said supports.
- said supports are preferably hollow and preferably comprise at least two assemblable parts between which the ends of said tube or tubes are taken.
- said supports may advantageously comprise hollow posts divided into longitudinal portions joining end to end, each portion comprising at least two opposite longitudinal parts between which said ends of said tube or tubes are taken.
- the barrier preferably comprises means for intermediate maintenance of said tube or tubes placed at a distance from said supports and carried by the latter.
- said intermediate holding means preferably comprise at least one cross member, the ends of which are fixed to said supports and at least one bar carried by these cross members and provided with holding members traversed by said tube or tubes.
- said light emitting means and / or said light receiving means are preferably tightly engaged in said tubes.
- said one or more light emitting means preferably comprise, respectively, a light source followed by a diaphragm.
- said means for controlling said transmission means and / or said means for managing the signals received by said reception means are preferably arranged in said supports and are connected to said light emission means and / or to said light reception means by electrical connection wires extending in said hollow supports.
- the barrier comprises a light emission means and a light reception means placed at each end of said tube.
- the end of said tube is preferably engaged in a channel of a connecting member fixed on said support.
- said connecting member preferably comprises a cover by means of which it is fixed to said support.
- said means for controlling said light emission means and said means for managing the signals received by said light reception means are preferably arranged in said channel.
- the present invention also relates to a method of operating an anti-intrusion security barrier.
- this method consists in emitting a light signal at an input end of each of said tubes, in detecting light at the other output end of each of said tubes, in comparing the amplitude of the light signal detected at least at a predetermined reference threshold, and generating at least one status signal as a function of the value of the amplitude of the detected light signal with respect to said predetermined threshold.
- the method preferably consists in generating an alarm state signal in the event that the value of the amplitude of said detected light signal is less than said predetermined threshold.
- the method consists in emitting a first light signal at an input end of each of said tubes fixed to a first support, in detecting a second light signal at the other output end of each of said tubes fixed to a second support, to compare the amplitude of this second light signal at said predetermined threshold, to emit a third light signal at an input end of at least one other tube fixed to this second support in the event that the value of the amplitude of the detected light signal is greater than said predetermined threshold, to detect a fourth light signal at the other output end of this other tube fixed to the first support, and to generate at least one signal d state as a function of the value of the amplitude of this fourth light signal.
- the method preferably consists in generating an alarm state signal in the event that the value of the amplitude of said second light signal is less than said predetermined threshold.
- the method preferably consists in generating an alarm state signal in the event that the value of the amplitude of said fourth light signal is less than said predetermined threshold.
- the method preferably consists in generating an alarm state signal in the event of the absence of said fourth light signal within a predetermined period after the emission of said first signal.
- the method preferably consists in transmitting, from an original support, a general light or detected detection signal and in one direction through at least one tube of said sections by successively transferring this original signal from one section to the next section, to successively modify the state of part of said general signal during its transfer between two sections so as to identify the supports, to modify the state of another part of said general signal before its transfer, as a function of said status signal associated with these sections, to send the modified signal in opposite direction to said original support via at least one tube of the sections previously crossed by the original signal, to detecting this modified signal arriving at said original medium and generating a control signal as a function of said modifications.
- the method preferably consists in generating an alarm control signal in the event that the original signal is modified by an alarm status signal.
- said light signals emitted and detected are preferably coded.
- the present invention will be better understood from the study of mechanical and electronic structures and operating modes of an anti-intrusion security barrier comprising vertical posts connected by horizontal tubes and electronic control means, described by way of nonlimiting example and illustrated by the drawing in which:
- FIG. 1 shows an overview of two sections carried by three posts of an anti-intrusion security barrier according to the invention
- - Figure 2 shows a perspective view of a portion of a pole during assembly
- FIG. 4 shows a perspective view of two assembled portions of a pole
- FIG. 5 shows a horizontal section of a post passing through the tubes
- FIG. 6 shows a vertical section of a post perpendicular to the tubes;
- FIG. 7 shows a perspective view of the upper part of a post;
- FIG. 8 shows a perspective view of tube holding elements
- - Figure 9 shows a top view of a post
- - Figure 10 schematically shows, in top view, a particular anti-intrusion security barrier according to the invention installed in a closed circuit to form an enclosure
- FIG. 11 shows schematically, in side view, a section of the barrier of Figure 10;
- - Figure 12 shows a diagram of an electronic module of the barrier of Figures 10 and 11;
- FIG. 13 shows a partial exterior view of a large embodiment of an anti-intrusion security barrier according to the invention.
- Figure 14 shows a horizontal section along XIV-
- the barrier 1 comprises substantially cylindrical vertical metal posts 2 arranged at a distance from each other and whose lower ends 3 are fixed to the ground and sets of horizontal metal tubes 4 which are rectilinear and which respectively connect two adjacent posts 2 so as to constitute sections 5.
- the tubes 4 of each section 5 are placed at a distance from each other in the same horizontal plane so as to constitute a grid.
- Two successive sections or panels 5 have a common post 2.
- each post 2 is divided into longitudinal portions 6 which are nested one inside the other.
- Each post portion 6 is divided longitudinally into two longitudinal walls 7 and 8 adapted to couple by engagement of their longitudinal edges into one another and delimit between them a longitudinal channel 9.
- the end portions 13 of the tubes 4 are respectively engaged in the corresponding passages 10 of the portions 6 and are held in these passages by means of annular buffers 14.
- the longitudinal walls 7 and 8 of the portions 6 are kept assembled by means of clamps 15 which are installed around the cylinders 11 so as to maintain their cylindrical half-walls 12.
- Flexible annular protective bellows 16 envelop the cylinders 11 and have one end 17 in contact with the latter and one end 18 in contact with the tubes 4, the collars 15 being inside these bellows 16.
- the longitudinal walls 7 of the portions 6 have at their upper end annular sleeves 19.
- the sleeve 19 of each portion is taken and engaged inside the channel 9 of the adjacent upper portion, by means of two elastic O-rings 20 .
- rods 21 which have an axial passage 22 are respectively engaged in one of the ends of the tubes 4.
- light emitters 23 such as emitting diodes
- the other end of the passage 22 located inside the tube 4 respectively has an orifice 24 constituting a diaphragm.
- the light emitters 23 are mounted in an inlet end of the tubes 4 and the light receivers 25 are mounted in an outlet end of the tubes 4.
- the emitting diodes 23 and the photodiodes 25 are provided with electrical connection wires 27 and 28 which extend in the channel 9 of the portions 6.
- the upper portion 6a of the posts 2 which ends in a point, are respectively installed autonomous electronic modules 29 to which the emitting diodes 23 and the photodiodes 25 are respectively connected via the electrical wires 27 and 28.
- the upper and lower parts of the posts 2 of the sections 5 are connected by horizontal crosspieces 30.
- the ends of these crosspieces 30 are engaged in vertical external slots 31 of the corresponding walls 7 of the posts 2 and held in its slots 31 by means of pressure screws 32.
- the upper and lower crosspieces 30 carry vertical bars 33 distant from the corresponding posts 2 and fixed for example by rivets.
- the vertical bars 33 carry projecting members 34 which have through holes 35 through which the tubes 4 extend respectively in order to keep them radially.
- a predetermined number of longitudinal walls 7 of portions 2 are placed end to end corresponding to the height of the posts 2 which it is desired to make, having taken care to install seals 20 around their cylindrical end sleeves 19 beforehand.
- the walls 7 of each portion 6 are fixed together with screws 36, shown in FIG. 4, which pass through their lower part and are screwed into the cylindrical sleeves 19 of the adjacent portion.
- the half-posts thus formed are erected vertically and their lower parts are fixed to the ground in the usual way.
- the electronic modules 29 and the strings 9a consisting of the connection wires 27 and 28 are installed, carrying at their ends respectively emitting diodes 23 and photodiodes 25 previously selected, in the channels 9 and through the cylindrical sleeves 19.
- the tubes 4 are then passed through the holding members 34.
- the bellows are engaged around the ends of the tubes 4 16 then the retaining rings 14.
- the retaining rings 14 through which the tubes 4 are engaged are engaged in the radial half-walls 12 of the longitudinal walls 7.
- connection wires 27 and 28 being connected to the electronic modules 29, the longitudinal walls are successively installed
- the clamps 15 are mounted so as to fix the walls 7 and 8 of the portions 6 between them.
- FIG. 4 This assembly achieved is shown in FIG. 4.
- the bellows 16 are installed by sliding them along the tubes 4 so as to arrange them around the cylinders 11.
- the assembly which has just been described can be carried out section after section by installing the longitudinal walls 8 for closing each post 2 when the tubes 5 which it carries are definitively installed and connected.
- the sections 5 of the barrier 1 have upper tubes 4 covering a determined height and lower tubes 4 of larger diameters intended to be buried.
- the barrier 1 may, however, have many variant embodiments or configurations. It may have distant end posts 2 from one another. If it is in a closed loop, it can have 4 buried tubes or 4 tubes in height at the place of installation of an access door to the space thus closed.
- an anti-intrusion security barrier 101 in closed loop which comprises six posts 102a-f constituting sections 105a-f.
- Each of these sections 105a-f comprises four lower horizontal tubes 104a and four upper horizontal tubes 104b which are arranged in the same vertical plane at a distance from each other.
- the lower tubes 104a are provided at one end with emitting diodes 123a and at their other end with photodiodes 125a so as to circulate beams or light signals in a direction marked by the arrow 200 in the lower tubes 104a.
- the upper tubes 104b are provided at their ends with emitting diodes 123b and photodiodes 125b so as to circulate beams or light signals in the other direction identified by the reference 201 in the upper tubes 104b.
- Each electronic module 129 which operates in this example sequentially, comprises a microcontroller 30 connected on the one hand to a signal transmission circuit 300a to the transmitter diodes 123 a and 125b and a signal reception circuit 300b supplied by photodiodes 123b and 125a.
- an output of the microcontroller 30 is connected to the selection input of an output multiplexer 301 via a line 302 to select the diodes to be emitted and a signal output to be sent connected to the input of a frequency modulator 303 via a line 304, the output of this frequency modulator 303 being connected to a signal input of the multiplexer 301 via a line 305.
- the outputs of the multiplexer 301 are connected to the input of an output amplifier 306 via a line 307 and the outputs of this amplifier 306 are respectively connected to the four emitting diodes 123 a and to the four emitting diodes 125b via electrical connection wires 128.
- the four photodiodes 123b and the four photodiodes 125a are connected to the inputs of an input multiplexer 308 whose output is connected to an input amplifier 309 via a line 310.
- One of the outputs of the input amplifier 309 is connected to a signal detector or comparator 311 via a line 312, another input of this comparator 311 receiving a reference signal or predetermined threshold of amplitude SR via a line 313.
- comparator 311 The output of comparator 311 is connected to a comparison signal input via a line 314.
- Another output of the input amplifier 309 is connected to the input of a demodulator 315 via a line 316 and the output of the demodulator 315 is connected to a signal detection input received from the microcontroller 300 via a line 317.
- an output of the microcontroller 300 is connected to a selection input of the input multiplexer 308 via a line 318 to select the scanned photodiodes.
- the microcontroller contains a memory 319 for recording an anomaly signal, a memory 320 for identifying the tubes 104a and 104b, a transmission selector 321, a reception selector 322, a memory 323 for local signal SL, a general signal modifier 324 SG and contains an operating and signal processing program.
- the electronic module 129 is moreover provided with a battery, preferably with a long service life, in order to make it autonomous.
- LOCAL SURVEILLANCE We will now describe how the electronic modules 129 placed in the posts 102a-f can operate to monitor the physical state of the tubes 104a and 104b respectively of the sections 105a-f of the barrier 101.
- the microcontroller 300 of the module 129 A selects a first emitting diode 123 a and transmits to it a local signal coded SL, through the modulator 303, the output multiplexer 301 and the output amplifier 306 of such that this emitting diode 123 has selected emits a corresponding light signal in the corresponding tube 104a in the direction of arrow 200.
- this tube 104a being in a normal state, the corresponding photodiode 125a receives a normal light signal and supplies a signal SL corresponding to the microcontroller 300 of the electronic module 129B through its input multiplexer 308, its input amplifier 309 and its demodulator 315.
- the comparator 311 of the electronic module 129B receives a signal whose amplitude is greater than the reference threshold SR and delivers a corresponding state signal SEa.
- a third step having received the decoded signal SLa and the signal SEa and thus noting that the corresponding tube 104a is in a normal state, the microcontroller 300 of the electronic module
- 129B selects the associated emitting diode 123b and transmits to it a local coded signal SL, through its modulator 303, its output multiplexer 301 and its output amplifier 306 so that this emitting diode 123b emits a corresponding light signal in the corresponding tube 104b in the direction of arrow 201.
- this tube 104b being in a normal state, the corresponding photodiode 125b receives a normal light signal and and supplies a signal SLa corresponding to the microcontroller 300 of the electronic module 129 A through its input multiplexer 308, its input amplifier 309 and its demodulator 315.
- the comparator 311 of the electronic module 129A receives a signal whose amplitude is greater than the reference threshold SR and delivers a corresponding state signal SEa.
- the modules perform the preceding steps in the same way for the other tubes 104a and 104b and periodically repeat this scanning of the state of the tubes 104a and 104b. Abnormal condition of tubes 104a and 104b.
- the first aforementioned first tube 104a is sufficiently deformed to disturb or attenuate the light beam emitted by the corresponding emitting diode 123a before it reaches the corresponding photodiode 125a, below a threshold corresponding to the reference signal SR supra.
- the comparator 311 of the module 129B delivers to the microcontroller 300 a status signal SEb corresponding to the fact that the amplitude of the signal received respectively by the photodiode 125a is less than a level determined by the reference SR .
- the microcontroller 300 of the module 129B then stores in its memory 319 a corresponding anomaly signal SA.
- the 123B electronic module having transmitted a local signal
- the modules 129A and 129B associated with a section of the barrier 101 make it possible to detect and record in their memory 319 all anomalies likely to occur on any of the tubes 104a and 104b, due to deformations of the latter disrupting the path of the light beams emitted in the latter or attenuating these beams.
- GENERAL SURVEILLANCE Referring to Figure 10, we see that there is an electronic monitoring unit 101 A adapted to monitor the barrier 101 as a whole via the tubes 104a and 104b and the electronic modules 129 and to collect an anomaly signal SA stored in memory 319 of any of these modules to provide a dependent output signal.
- An anomaly signal SA is then recorded in the memory 319 of the electronic module 129 installed in the pole 102d.
- the monitoring unit 101A transmits to the module 129 mounted on the original post 102a, via a line 202, a signal to send a message in the form of a general coded SG signal, different from the signal local SL supra.
- this general signal SG is transmitted, in the direction of the arrow 200, from the electronic module 129 of the pole 102a to the electronic module 129 of the pole 102d via at least one tube 104a of the sections 105a, 105b and 105c, by corresponding light beams, between which it is respectively re-emitted by the electronic module 129 of the pole 102b and the electronic module 129 of the pole 102c.
- the electronic modules 129 mounted on the posts 102b, 102c and 102d modify part of the signal SG in a manner corresponding to a counting of the electronic modules or posts successively reached.
- the general signal SG has become a general signal SGA.
- the modified general signal SGA is then transmitted back in the direction of arrow 201, without further modification, from the electronic module 129 of the pole 102d to the electronic module 129a of the pole 102a via at least one tube 104a of the sections 105c, 105b and
- the general monitoring unit 101A receiving, by a line 203, the general signal SGA from the electronic module of the original post 102a, it can then decode this signal SGA and identify on the one hand the post 102d concerned and the presence of the SA anomaly in section 105d.
- the general monitoring unit 101 A can then deliver this identification for example by any display means and issue a control signal, for example a switch-on signal an alarm or any other warning means such as lighting of the area corresponding to section 105d.
- a control signal for example a switch-on signal an alarm or any other warning means such as lighting of the area corresponding to section 105d.
- the electronic module 129 of the pole 102d can advantageously, if the state of the section 105d allows it, continue the transfer of the general signal SG in the direction of the arrow 200 so as to detect possible anomalies further in the barrier 101, in accordance with the process described above.
- a safety barrier 50 which comprises spaced vertical posts 51, for example constituted by profiles, which carry connecting members 52 spaced vertically as well. as horizontal tubes 53, the ends of which are carried by the connecting members 52 of neighboring posts 51, so that two neighboring posts 51 and the tubes 53 which they carry constitute a section 54.
- each connecting member 52 comprises a block 55, preferably metallic, which has a horizontal channel passing through 56 in the opposite ends of which the end portions of two tubes 53 are engaged. belonging to two adjacent sections 54, the inside diameter of the channel 56 being slightly greater than the outside diameter of the tubes 53.
- the block 55 has opposite cylindrical parts 57 on which are screwed nuts 58 which have radial sides 59 traversed by the tubes 53 and which press O-rings 60 against the outside surface of the tubes 53 and in internal chamfers 61 provided at the ends of the cylindrical parts 57.
- the block 55 further includes, at half its length, a passage 62 provided radially to the channel 56.
- the connecting member 55 comprises a cover 63 which is screwed into the radial passage 62 and which has an annular shoulder 64 which presses a seal
- This cover 63 has an internal recess 66 which extends the radial passage 62.
- the bottom 67 of the cover 63 has a threaded recess 68 into which the head of a stud 69 for fixing the connecting member to the post 51 is screwed.
- an electronic circuit 70 which extends between the ends, placed at a distance from each other, of the opposite tubes 53.
- a battery 71 supplying the electronic circuit
- the electronic circuit comprises, at its ends facing the opposite tubes 53, respectively light-emitting diodes 72 and light-receiving diodes 73.
- each tube was used to circulate a light beam only in one direction.
- each tube can be used to circulate light beams in both directions due to the existence of pairs of diodes 72 and 73.
- each electronic circuit 70 comprises a structure at least in part equivalent to the diagram shown in FIG. 12 in order to drive the emitting diodes 72 and the receiving diodes 73 provided at each end of the tubes 53 in order to detect a deformation of each tube 53 and transmit this information via the line containing this tube.
- the present invention is not limited to the examples described above.
- the anti-intrusion security barrier according to the invention can in fact have numerous variant embodiments both of its mechanical part and of its electronic part and of its operating or operating mode.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002389753A CA2389753A1 (fr) | 1999-11-02 | 2000-10-30 | Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere |
EP00974611A EP1226564A1 (fr) | 1999-11-02 | 2000-10-30 | Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere |
AU12847/01A AU1284701A (en) | 1999-11-02 | 2000-10-30 | Anti-intrusion security barrier and method for operating same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99/13670 | 1999-11-02 | ||
FR9913670A FR2800494B1 (fr) | 1999-11-02 | 1999-11-02 | Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001033524A1 true WO2001033524A1 (fr) | 2001-05-10 |
Family
ID=9551604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2000/003031 WO2001033524A1 (fr) | 1999-11-02 | 2000-10-30 | Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1226564A1 (fr) |
AU (1) | AU1284701A (fr) |
CA (1) | CA2389753A1 (fr) |
FR (1) | FR2800494B1 (fr) |
WO (1) | WO2001033524A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454662A1 (fr) * | 1979-04-20 | 1980-11-14 | Perren Benno | Capteur pour dispositif de surveillance |
FR2463245A1 (fr) * | 1979-08-07 | 1981-02-20 | Ci Ka Ra Srl | Reseau de cloture anti-effraction en forme de grillage ainsi que procede pour sa fabrication |
DE3306002A1 (de) * | 1983-02-22 | 1984-08-23 | Werner 4292 Rhede Korb | Hohlrohr fuer zaeune, gitter od. dgl. |
DE3706324A1 (de) * | 1987-02-27 | 1988-09-08 | Kabelmetal Electro Gmbh | Vorrichtung zur ueberwachung eines objekts im freien |
-
1999
- 1999-11-02 FR FR9913670A patent/FR2800494B1/fr not_active Expired - Fee Related
-
2000
- 2000-10-30 WO PCT/FR2000/003031 patent/WO2001033524A1/fr active Search and Examination
- 2000-10-30 AU AU12847/01A patent/AU1284701A/en not_active Abandoned
- 2000-10-30 CA CA002389753A patent/CA2389753A1/fr not_active Abandoned
- 2000-10-30 EP EP00974611A patent/EP1226564A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2454662A1 (fr) * | 1979-04-20 | 1980-11-14 | Perren Benno | Capteur pour dispositif de surveillance |
FR2463245A1 (fr) * | 1979-08-07 | 1981-02-20 | Ci Ka Ra Srl | Reseau de cloture anti-effraction en forme de grillage ainsi que procede pour sa fabrication |
DE3306002A1 (de) * | 1983-02-22 | 1984-08-23 | Werner 4292 Rhede Korb | Hohlrohr fuer zaeune, gitter od. dgl. |
DE3706324A1 (de) * | 1987-02-27 | 1988-09-08 | Kabelmetal Electro Gmbh | Vorrichtung zur ueberwachung eines objekts im freien |
Also Published As
Publication number | Publication date |
---|---|
FR2800494B1 (fr) | 2002-10-11 |
AU1284701A (en) | 2001-05-14 |
EP1226564A1 (fr) | 2002-07-31 |
FR2800494A1 (fr) | 2001-05-04 |
CA2389753A1 (fr) | 2001-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0186226B1 (fr) | Dispositif de détection d'intrus muni d'un dispositif d'antimasquage | |
EP1166303B1 (fr) | Appareils electriques modulaires et enveloppe les comportant | |
US8401354B2 (en) | Fiber optic security systems and methods of using the same | |
FR2831672A1 (fr) | Systeme et procede pour la detection d un objet | |
EP2807638A1 (fr) | Système de détection de tentative d'intrusion à l'intérieur d'un périmètre délimité par une cloture | |
EP0216694B1 (fr) | Dispositif de contrôle en temps réel d'un soudage à pénétration totale, adapté à un joint inaccessible à l'observation directe | |
WO2001033524A1 (fr) | Barriere de securite anti-intrusion et procede de fonctionnement d'une telle barriere | |
WO2009098426A1 (fr) | Systeme de surveillance comportant un grand nombre de cameras | |
CA2834757A1 (fr) | Ensemble et procede de surveillance pour detecter des defauts structurels pouvant apparaitre dans une nacelle d'aeronef en service | |
EP0357706B1 (fr) | Appareil de comptage d'objets defilant | |
EP0236147A1 (fr) | Procédé et système de surveillance des défaillances d'au moins une source de rayonnement lumineux | |
FR2799785A1 (fr) | Dispositif de surveillance d'objets parques, integrant des moyens antivols | |
FR2514918A1 (fr) | Installation pour transmission sans contact de signaux | |
EP0601147B1 (fr) | Dispositif de securite pour machines utilisant un faisceau laser et procede de mise en oeuvre | |
EP0247668B1 (fr) | Four à micro-ondes comportant un dispositif de sécurité de fermeture de porte | |
FR2672410A1 (fr) | Dispositif de surveillance et de protection anti-vol. | |
FR3027438A1 (fr) | Detecteur lineaire de fumee encastre. | |
EP0497649A1 (fr) | Procédé et dispositif de contrôle de l'état de surface d'un élément optique de transmission lumineuse | |
EP3672107B1 (fr) | Appareillage de distribution électrique équipé de modules amovibles communiquant par faisceaux optiques sans fils | |
FR2886738A1 (fr) | Dispositif de determination de la position d'un objet fixe | |
WO2004074872A1 (fr) | Systeme de detection optique d’objets ou de personnes | |
CA1177939A (fr) | Installation pour la surveillance d'un convoyeur a tapis sans fin | |
KR20170090947A (ko) | 센서망 및 이를 위한 격자 형상 고정 구조물 | |
FR2714239A1 (fr) | Procédé et système de localisation. | |
FR2570819A1 (fr) | Detecteur de rayonnement a infrarouge, notamment pour un systeme de protection contre les intrusions |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ DE DK DM DZ EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2389753 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000974611 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2000974611 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2000974611 Country of ref document: EP |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) |