EP2113896B1 - Gegen Herausreissen und/oder Einbruch geschützte Erkennungseinheit, und System, das mindestens eine solche Einheit umfasst - Google Patents

Gegen Herausreissen und/oder Einbruch geschützte Erkennungseinheit, und System, das mindestens eine solche Einheit umfasst Download PDF

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Publication number
EP2113896B1
EP2113896B1 EP09305376.7A EP09305376A EP2113896B1 EP 2113896 B1 EP2113896 B1 EP 2113896B1 EP 09305376 A EP09305376 A EP 09305376A EP 2113896 B1 EP2113896 B1 EP 2113896B1
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EP
European Patent Office
Prior art keywords
unit
housing
electrode
unit according
type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09305376.7A
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English (en)
French (fr)
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EP2113896A1 (de
EP2113896A8 (de
Inventor
Jean-Michel Reibel
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Radio Systemes Ingenierie Video Technologies (soci
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Radio Systemes Ingenierie Video Technology SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR0852867A external-priority patent/FR2930666B1/fr
Priority claimed from FR0854735A external-priority patent/FR2933797B1/fr
Application filed by Radio Systemes Ingenierie Video Technology SA filed Critical Radio Systemes Ingenierie Video Technology SA
Priority to PL09305376T priority Critical patent/PL2113896T3/pl
Publication of EP2113896A1 publication Critical patent/EP2113896A1/de
Publication of EP2113896A8 publication Critical patent/EP2113896A8/de
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Publication of EP2113896B1 publication Critical patent/EP2113896B1/de
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/149—Mechanical actuation by lifting or attempted removal of hand-portable articles with electric, magnetic, capacitive switch actuation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Definitions

  • the present invention relates to the field of security systems, alarm and / or surveillance, and relates to a detection unit protected against tearing and / or breaking and a system of the aforementioned type comprising at least one such unit.
  • the detectors currently used in security, surveillance or alarm systems are generally protected against tearing (from the wall bracket) and / or against the opening of the housing which encloses them.
  • one or more protective contacts are kept activated. If an opening or tearing occurs, corresponding contacts cause a signal to be sent to the system central (signal may be a loop break on a wired system, or the transmission of a radio message in a system without wire).
  • US2002014971 discloses a detection unit incorporating a presence detector housed in a housing attached to a wall.
  • the unit includes two mercury switches arranged perpendicularly, which trigger an alarm signal when the housing undergoes a variation in its orientation.
  • the document US20070290845 discloses a detection unit incorporating a presence detector housed in a housing attached to a wall.
  • the unit comprises an electrode located inside the housing and able to measure the integrity of the housing and its contact with an installation surface such as a wall.
  • FIGS. 1 to 3 are respectively side, rear and sectional views of a detector of the aforementioned type, which comprises a cover or a rear housing part which allows the wall attachment.
  • This cover or this rear part has fixing holes, allowing attachment in an angle, or on a flat surface.
  • holes corresponding to the angle fixing and the flat fixing are performed in a weakened area of the rear cover.
  • This weakened zone has on its inner face a boss that presses a contact that remains activated as long as the housing remains closed and the detector remains attached to the wall.
  • the sensors of the type external cameras are often fixed at the end of an arm, via a ball that allows the pointing of the camera (and, in the case mentioned above, the associated motion detector), in order to be able to precisely adjust the area to watch.
  • the detector assembly or the camera is no longer in close connection with the wall support (or its equivalent, such as a mast for example).
  • the tearing can then be performed no longer at the camera, but the attachment of the arm on the wall, it is no longer detectable except to implement complex solutions to achieve.
  • the object of the present invention is to overcome the abovementioned limitation in a simple manner, this preferably by making it possible to overcome any direct or physical link between the support and the detector.
  • the subject of the invention is a detection unit according to claim 1.
  • the figures 4 and 5 show a detection unit 1 integrating at least one motion detector, a presence detector, a camera or a combination of at least two such devices, in particular as part of a security system, alarm and / or the functional elements 3 of said unit 1 being housed in a housing 2 fixed to a wall ( figure 5 ), a mast, a roof or the like, in particular by means of a fastening accessory 4, in particular of the articulated arm type or the like (for example, a spherical support arm as shown in FIG. figure 4 ).
  • the detection unit 1 also comprises means 5 capable of measuring a variation of the absolute angle with respect to the vertical of a reference surface of the casing 2, of a part of the casing 2, of at least one internal functional element or a group of such internal functional elements 3, and to deliver a measurement signal that can be used by the unit 1 and / or the system to which said unit 1 belongs, a storage means of a reference angular position relative to the vertical, for example acquired during the installation of the unit 1 (any inclination with respect to the vertical being possible), and a means for comparing the difference between the value measured by the means 5 and this reference value, with a threshold value for triggering signaling to the system.
  • the invention allows a simple way to achieve the above purpose, without causing significant constructive change.
  • the detection unit 1 having been originally installed with an orientation or an initial or reference pointing, any manipulation of said unit 1 which causes an (unwanted) change of orientation of the means 5 beyond a pre-set threshold value, causes the generating an alarm or a warning informing the central unit of an attempt to neutralize or deteriorate the unit 1, in particular a displacement thereof, whether voluntary or accidental.
  • the storage means and the comparison means may, for example, be provided by an integrated circuit 8 of the memory or microcontroller microprocessor type, mounted in the housing 2 and forming part of the functional element group 3 of the unit 1.
  • the abovementioned comparison means may be in the form of a hardware circuit or may be provided in the form of a software function performed by the integrated circuit 8.
  • the means 5 can provide a measurement of the absolute value of the orientation (and therefore of its variation) directly of the difference between the reference and the current position, to the integrated circuit 8.
  • the measuring means 5 can also be integrated in the integrated circuit 8 (see FIG. figure 5 ) thereby forming a dedicated hybrid circuit 5, 8.
  • the measurement signal supplied by the means 5 can be operated by the unit 1 itself, which will then transmit an alarm signal if necessary to the central unit of the system, or be transmitted (as it is or after preprocessing) to this unit. last for its exploitation.
  • the unit 1 stores an angular position consecutive to the installation, and compares the following measurements with this reference value. A threshold corresponding to the maximum deviation tolerated will determine when the signaling is actually triggered.
  • the means 5 capable of measuring a variation of the absolute angle with respect to the vertical comprises or consists of an inclinometer associated with a reference surface forming part of the unit 1, the housing 2 or a functional element 3 forming part of one or one of the devices of the detector or camera type.
  • the means 5 is advantageously mounted on a portion of the housing 2 or on a support of a group of functional elements 3, such as an electronic card 3 ', necessarily undergoing, in case of opening of the housing 2, a displacement or a movement generating a change in its angular orientation, in particular a rotational movement or pivoting.
  • the means of the inclinometer type 5 consists of an integrated circuit integrating a signal conditioning electronics delivered by a sensitive element in the form of a microsystem machined on silicon and consisting of a Capacitive comb deforming under the action of gravity.
  • the means of the inclinometer type 5 consists of a two-axis accelerometer, in particular of the MEMS type.
  • the inclinometer 5 of the two-axis accelerometer type provides a measurement signal with a DC component corresponding to the terrestrial attraction and an AC component allowing, when its value exceeds a predetermined threshold, the detection of vibrations and / or displacements. brutal reference surface associated with said inclinometer 5.
  • Such an embodiment of the inclinometer allows a more universal detection of the manipulations of the unit 1 concerned.
  • the sign of the signal supplied by the accelerometer can be exploited, for example by the microprocessor 8 to determine if the camera forming the unit 1 ( figure 4 ) or integrated in Unit 1 ( figure 5 ) is arranged "head up” (as on the figure 4 ) or "upside down” (suspended camera). This function can, if necessary, restore an image to the place by providing an inverted output signal or "mirror".
  • the unit 1 may comprise, in addition to the inclinometer 5, one or more other means (s) of protection or security as indicated below.
  • the inclinometer 5 in the form of an integrated circuit can be mounted as an additional component on the printed circuit board carrying the components performing the other functions of the detection unit 1.
  • the latter can then have both an embodiment as shown on the Figures 1 to 3 (with the pre-cut zones or lines of weakening less, as well as possibly the contact), that an embodiment such as emerging from the figure 4 (articulated arm mounting).
  • the unit 1 may also comprise a sensor 6 enabling the determination of the orientation of the earth's magnetic field and capable of providing an indication of the orientation of a detection or detection device. directional viewing of said unit 1 or the latter itself, said sensor 6 possibly being a magneto-resistive sensor.
  • an alternative embodiment of the invention provides that the unit 1 also comprises a means 7 for determining the height of said unit 1 relative to the ground or to a reference surface, for example in the form of an ultrasonic sensor, a pressure sensor or the like (for example a GPS device).
  • a means 7 for determining the height of said unit 1 relative to the ground or to a reference surface for example in the form of an ultrasonic sensor, a pressure sensor or the like (for example a GPS device).
  • Another variant embodiment can provide for detecting the height change by exploiting the AC component of the measurement signal supplied by the inclinometer 5 of the aforementioned accelerometer type.
  • the angular measurement is performed intermittently to reduce the power consumption of the system and especially the unit 1, especially when the latter operates autonomously using batteries or batteries.
  • the means 5 is activated intermittently.
  • the present invention also provides, particularly in connection with the figure 5 , to reinforce the protection of a unit as mentioned above against tearing (especially in case of attachment to a wall 13 or a similar support) and / or against the unauthorized opening of the housing 2, for example by separating the constituent parts 2 'and 2 "of the latter.
  • the unit 1 also comprises, among its functional elements 3, at least one means 9 able to measure a variation of capacitance between at least two pieces forming electrodes 10 or between at least one piece forming an electrode And a mass, virtual or real, of said unit 1, said one or more electrodes 10 being located on or inside the housing 2 in a location protected from the unintentional or unintentional approach of an object, element, body or analog likely to influence or modify a load or field electrical means, said means 10 delivering a measurement signal, exceeding or incident usable by the unit 1 and / or by the system to which said unit 1 belongs and forming in association with said at least one electrode 10 a proximity detector of capacitive type.
  • the triggering of a warning indicating an incident affecting the safety of the unit 1 may occur either at the time of contact with the or one of the electrodes 10, or already in an approach phase of this electrode 10, before any physical contact with the latter.
  • the warning is triggered, of course, also in the event of a break in the connection or electrical connection between the electrode (s) 10 and the means 9.
  • the type of signal delivered by the means 9 (measurement, overshoot, warning) will depend on the operating mode of the system to which said unit 1 belongs, the sophistication of the means 9 (analog or digital circuit), the type of link existing between the unit 1 concerned and the central system and the type of power supply of said unit 1, which determines its activity and its energy autonomy.
  • the means 9 can consist either of a simple measuring circuit or of a measurement and evaluation circuit.
  • the means 9, associated with said at least one electrode 10 to form a proximity detector is chosen from the group formed by the RC time-shift detector circuits, with phase shift. , with frequency modulation and amplitude modulation.
  • capacitive type proximity sensors are known in particular from the company Freescale Semiconductors (registered name).
  • the means 9 may be, as indicated above, in the form of a circuit independently mounted on a card or a printed circuit 3 ', or possibly be integrated in a hybrid circuit also incorporating the microprocessor 8 and the inclinometer 5.
  • one or at least one electrode (s) 10 consists of a conductive part of assembly or attachment of the protective housing 3, preferably a metal part, such as for example a screw or the like.
  • the figure 5 simultaneously illustrates an assembly screw and (in dotted line) a fixing screw, each capable of forming an electrode 10.
  • each removable assembly or fixing piece 10 forming an electrode is mounted in a nut 14, a threaded socket or a similar mounting site electrically connected to the means measurement 9, the connection between said electrode 10 and said measuring means 9 being established only after complete or definitive assembly of the corresponding part 10.
  • the nut 14 can for example be presented, as shown in FIG. figure 5 , in the form of a folded sheet metal nut secured to the printed circuit (soldered or crimped) and which is electrically connected directly to a measuring input of the means 9.
  • said at least one electrode 10 is mounted at a recess or similar reentrant deformation 11 of the protective case 2.
  • the electrode or each electrode 10, in the form of assembly or fixing means is housed at the bottom of a well-shaped deformation 11 of a constituent part 2 ', 2 "of the protective case 2.
  • At least one electrode 10 it may further be provided that one or at least one electrode 10 is located at a location in the protective housing 2 which is remote from the wall 12 of the latter, in particular accessible wall portions and apparent in the installed state of said unit 1 (see electrode 10 shown in broken lines on the printed circuit 3 'of the figure 5 ).
  • the electrode 10 or at least one electrode 10 consists of a means of detecting the presence of the end of an assembly screw, this means in the form of a portion strip or track of the printed circuit 3 'bearing the elements or functional components 3 of said unit 1, connected to the means 9.
  • the area of the printed circuit 3 'receiving the nut 14 may be surrounded by a track located at a reduced distance and which is connected to the measuring input of the means 2.
  • the first variant described above (screw 10 directly connected electrode) delivers a very strong signal level, but is likely to increase the susceptibility of the electronics, especially in case of electrostatic discharge, unlike the last variant above wherein the track surrounding the nut 14 forms a capacitor with the nut.
  • the signal level is greatly reduced, but the risk of electrostatic discharge is also greatly reduced.
  • the choice of one or the other variant may depend on the end use (and the associated environment).
  • the patella used to adjust the pointing of the unit 1 when the patella used to adjust the pointing of the unit 1 is insufficiently blocked, its orientation can be disrupted without malicious action. This can occur under the weight of the snow accumulated on the housing 2, or when a bird comes to rest on it. The adjustment is then detected by the vertical angle change.
  • the additional features of the invention make it possible to guarantee a reinforced protection of the unit 1 against tearing and / or against an unauthorized opening of its protective case 2.
  • the present invention also relates to a security, alarm and / or surveillance system comprising a central unit and at least one peripheral unit, characterized in that said or each peripheral unit consists of a detection unit 1 as described above.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)

Claims (13)

  1. Erkennungseinheit, mindestens einen Bewegungsmelder, einen Anwesenheitsmelder, eine Kamera oder eine Kombination mindestens zweier derartiger Vorrichtungen umfassend, insbesondere als Bestandteil einer Sicherheits-, Alarm- und/oder Überwachungsanlage, wobei die Funktionselemente der genannten Einheit in einem Gehäuse angeordnet sind, das an einer Wand, einem Mast, einem Dach oder Ähnlichem mit Hilfe von Befestigungszubehör, wie etwa einem Gelenkarm, insbesondere mit Kugelgelenk, befestigt ist,
    wobei die genannte Einheit (1) außerdem umfasst:
    - ein Mittel (5), geeignet eine Änderung des absoluten Winkels einer Referenzfläche des Gehäuses (2), eines Teils des Gehäuses (2), mindestens eines Funktionselements (3) darin oder einer Gruppe derartiger Funktionselemente (3) darin mit der Vertikalen zu messen und ein Messsignal auszugeben, das von der Einheit (1) und/oder der Anlage, der die genannte Einheit (1) angehört, ausgewertet werden kann,
    - ein Mittel zur Speicherung einer Referenzwinkelstellung relativ zur Vertikalen, die beispielsweise bei der Installation der Einheit (1) bestimmt wurde, und
    - ein Mittel zum Vergleichen der Differenz zwischen dem vom Mittel (5) gemessenen Wert und diesem Referenzwert mit einem Schwellenwert zur Auslösung der Meldung an die Anlage,
    Einheit (1), dadurch gekennzeichnet:
    dass das Mittel (5), das geeignet ist, eine Änderung des absoluten Winkels mit der Vertikalen zu messen, ein Messmittel vom Typ Neigungsmesser umfasst, das auf einem Teil des Gehäuses (2) oder auf einem Träger einer Gruppe von Funktionselementen (3), wie etwa einer Leiterplatte, die eine Referenzfläche darstellt, die Bestandteil des Gehäuses oder eines Funktionselements (3) ist, montiert ist, und das notwendigerweise im Fall einer Öffnung des Gehäuses (2) eine Ortsveränderung oder eine Bewegung erfährt, das seine Winkelstellung ändert, insbesondere eine Dreh- oder
    Schwenkbewegung, und
    dadurch, dass sie ebenfalls mindestens ein Mittel (9) umfasst,
    geeignet eine Änderung der Kapazität zwischen mindestens zwei Teilen zu messen, die Elektroden (10) bilden, oder zwischen mindestens einem eine Elektrode (10) bildenden Teil und einer virtuellen oder echten Masse der genannten Einheit (1),
    wobei die genannte(n) Elektrode(n) (10) auf dem oder im Inneren des Gehäuse (2) an einer vor der ungewollten oder unabsichtlichen Annäherung eine Gegenstandes, Bauteiles, Körpers oder
    Ähnlichem, die in der Lage wäre, eine Ladung oder ein elektrisches Feld zu beeinflussen oder zu ändern, geschützten Stelle befinden/t, und eine der oder die genannte mindestens eine Elektrode(n) (10) aus einem leitfähigen Verbindungs- oder
    Befestigungsteil des Schutzgehäuses (2) besteht.
  2. Einheit nach Patentanspruch 1, dadurch gekennzeichnet, dass das Mittel vom Typ Neigungsmesser (5) aus einer integrierten Schaltung besteht, die Elektronik zur Aufbereitung des Signals umfasst, das von einem Sensorelement in Form eines aus Silizium gefertigten Mikrosystems abgegeben wird, das aus einem Kondensatorkamm besteht, der sich unter der Einwirkung der Schwerkraft verformt.
  3. Einheit nach irgendeinem der Patentansprüche 1 und 2, dadurch gekennzeichnet, dass das Mittel vom Typ Neigungsmesser (5) aus einem Zweiachsen-Beschleunigungsmesser besteht, insbesondere vom Typ Mikrosystem.
  4. Einheit nach Patentanspruch 3, dadurch gekennzeichnet, dass der Neigungsmesser (5) vom Typ Zweiachsen-Beschleunigungsmesser ein Messsignal liefert mit einer konstanten Komponente, die der Erdanziehung entspricht, und einer wechselnden Komponente, die beim Überschreiten eines festgelegten Schwellenwertes die Feststellung von Vibrationen und/oder abrupten Ortsveränderungen der Referenzfläche erlaubt, die dem genannten Neigungsmesser (5) zugeordnet ist.
  5. Einheit nach irgendeinem der Patentansprüche 1 bis 4, dadurch gekennzeichnet, dass sie außerdem einen Sensor (6) umfasst, der die Orientierung des Erdmagnetfeldes zu bestimmen erlaubt und geeignet ist, eine Angabe über die Orientierung einer Richtungserkennungs- oder -anzeigevorrichtung der genannten Einheit (1) oder der letztgenannten selbst zu machen.
  6. Einheit nach Patentanspruch 5, dadurch gekennzeichnet, dass der Sensor (6) zur Bestimmung der Orientierung des Erdmagnetfeldes ein magnetoresistiver Sensor ist.
  7. Einheit nach irgendeinem der Patentansprüche 1 bis 6, dadurch gekennzeichnet, dass sie außerdem ein Mittel (7) zur Bestimmung der Höhe der genannten Einheit (1) über dem Boden oder einer Referenzfläche umfasst, beispielsweise in Form eines Ultraschallsensors, eines Drucksensors oder Ähnlichem.
  8. Einheit nach irgendeinem der Patentansprüche 1 bis 7, dadurch gekennzeichnet, dass das Mittel vom Typ Neigungsmesser (5) intermittierend eingeschaltet wird, wobei die Einheit (1) autonom arbeitet.
  9. Einheit nach irgendeinem der Patentansprüche 1 bis 8, dadurch gekennzeichnet, dass das genannte Mittel (9) ein Messsignal beim Überschreiten oder beim Erreichen eines Wertes ausgibt, das von der Einheit (1) ausgewertet werden kann und/oder von der Anlage, der die genannte Einheit (1) angehört, und in Verbindung mit der genannten mindestens einen Elektrode (10) einen Annäherungsmelder vom kapazitiven Typ bildet.
  10. Einheit nach Patentanspruch 9, dadurch gekennzeichnet, dass eine der oder die mindestens eine Elektrode(n) (10) aus einer Schraube oder Ähnlichem besteht.
  11. Einheit nach irgendeinem der Patentansprüche 9 und 10, dadurch gekennzeichnet, dass die genannte mindestens eine Elektrode (10) in Höhe einer Vertiefung oder einer ähnlichen, rückspringenden Verformung (11) des Schutzgehäuses (2) montiert ist, indem sie beispielsweise am Grund einer brunnenförmigen Verformung (11) eines Bestandteils (2', 2") des Schutzgehäuses (2) angeordnet ist.
  12. Einheit nach irgendeinem der Patentansprüche 9 und 10, dadurch gekennzeichnet, dass sich eine der oder die genannte mindestens eine Elektrode (10) an einer Stelle im Schutzgehäuse (2) befindet, die sich in einem Abstand von der Wand (12) des letztgenannten befindet, insbesondere von den im installierten Zustand der genannten Einheit (1) zugänglichen und sichtbaren Wandbereichen.
  13. Sicherheits-, Alarm- und/oder Überwachungsanlage, eine Zentraleinheit und mindestens eine Peripherieeinheit umfassend, dadurch gekennzeichnet, dass die genannte oder jede Peripherieeinheit aus einer Erkennungseinheit (1) nach irgendeinem der Patentansprüche 1 bis 12 besteht.
EP09305376.7A 2008-04-29 2009-04-29 Gegen Herausreissen und/oder Einbruch geschützte Erkennungseinheit, und System, das mindestens eine solche Einheit umfasst Active EP2113896B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09305376T PL2113896T3 (pl) 2008-04-29 2009-04-29 Urządzenie wykrywające zabezpieczone przed wyrwaniem i/lub włamaniem i system zawierający co najmniej jedno takie urządzenie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0852867A FR2930666B1 (fr) 2008-04-29 2008-04-29 Unite de detection protegee contre l'arrachement et/ou l'effraction et systeme comprenant au moins une telle unite
FR0854735A FR2933797B1 (fr) 2008-07-11 2008-07-11 Unite de detection protegee contre l'arrachement et/ou l'effraction et systeme comprenant au moins une telle unite

Publications (3)

Publication Number Publication Date
EP2113896A1 EP2113896A1 (de) 2009-11-04
EP2113896A8 EP2113896A8 (de) 2010-01-13
EP2113896B1 true EP2113896B1 (de) 2013-10-16

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US (1) US20090271144A1 (de)
EP (1) EP2113896B1 (de)
ES (1) ES2440276T3 (de)
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IT201900007059A1 (it) * 2019-05-21 2020-11-21 Inxpect S P A Metodo per la rilevazione della manomissione di un sistema di rilevamento target
DE202020100399U1 (de) * 2020-01-27 2020-03-16 Securiton Gmbh Dezentrale Sabotageerkennung für Überwachungssysteme
CN117308884B (zh) * 2023-11-29 2024-02-13 金键建设有限公司 自动化测斜仪

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PL2113896T3 (pl) 2014-04-30
EP2113896A1 (de) 2009-11-04
US20090271144A1 (en) 2009-10-29
EP2113896A8 (de) 2010-01-13
ES2440276T3 (es) 2014-01-28

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