EP0070240A1 - Détecteur de protection contre le vol d'articles - Google Patents

Détecteur de protection contre le vol d'articles Download PDF

Info

Publication number
EP0070240A1
EP0070240A1 EP82401310A EP82401310A EP0070240A1 EP 0070240 A1 EP0070240 A1 EP 0070240A1 EP 82401310 A EP82401310 A EP 82401310A EP 82401310 A EP82401310 A EP 82401310A EP 0070240 A1 EP0070240 A1 EP 0070240A1
Authority
EP
European Patent Office
Prior art keywords
needle
detector according
housing
protection
conductor
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.)
Withdrawn
Application number
EP82401310A
Other languages
German (de)
English (en)
French (fr)
Inventor
René Gresset
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0070240A1 publication Critical patent/EP0070240A1/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1445—Mechanical actuation by lifting or attempted removal of hand-portable articles with detection of interference with a cable tethering an article, e.g. alarm activated by detecting detachment of article, breaking or stretching of cable
    • G08B13/1463—Physical arrangements, e.g. housings

Definitions

  • the present invention relates generally to theft protection means and, in particular, to a theft protection detector for articles such as those made of flexible materials such as textiles, skin, fur, and those with an opening such as belt buckles, trigger points, bracelets, etc.
  • a known means of protection commonly used consists of protecting the article with pliers; but it has two major drawbacks. It marks the article and can therefore permanently damage it, and it can be forced using a hard object or detached from the article, as can be badges used in department stores, by cutting of the article around The clamp.
  • the clamp indeed constitutes a reliable means of protection insofar as it is fixed at the edge of the article and separated from any alarm circuit or from any fixed point which could prevent the article from being stolen.
  • a detector for protection against the theft of articles comprising an alarm circuit electrically connected to one end of at least one conductor and to the other end of the conductor by the mechanical contacting of a female element and a male element passing through the article to be protected, characterized in that said male element is an electrically conductive and conical needle 18 over its entire length and said female element consists of a housing 11 of which the cover 12 comprises a hole 13 and in LequeL an electrically insulating plate 15 has a hole 14 in the same axis as hole 13 and of a diameter slightly greater than the largest diameter of the needle, said end of the conductor 20 being connected to a contact point 33 of the wafer and said other end of the conductor 20 being connected to a second contact point 32 of the wafer by the needle and two electrically conductive wires 16 fixed tangentially on the insert so as to be brought into mechanical and electrical contact with the needle when it enters the holes 13 and 14.
  • a detector for protection against Theft of articles further comprising means for connection to an alarm circuit
  • said wafer being electrically insulating and The two wafer wires, The first wire and the needle being electrically conductive
  • the connection means comprise a second electrically conductive wire connecting a current input terminal to a common end of the wafer wires, a third electrically conductive wire connecting an electrical contact point of the wafer to a current output terminal, and the first wire connecting the needle at said electrical contact point of the wafer to form a closed loop when the needle is pressed into the housing in order to put the alarm circuit in standby state, and to form an open loop when the needle is out of the housing in order to trigger the alarm circuit.
  • FIG. 1 shows a first embodiment of a protection detector of an article indicated by the reference 10.
  • the detector comprises a housing 11 having a cover 12 which has a hole 13 whose axis (indicated in Figure 1 with dashes) coincides with the axis of a hole 14 of a wafer 15.
  • the wafer 15 which is electrically insulating is held in the housing against the cover 12 and comprises on its opposite face two t son ically elec- conductors 16 welded to the plate at their ends and which will be described in detail in the following with reference to FIG. 2b.
  • the needle 18 has a conical shape in order to be able to pass through the article 10 (in textile for example) without marking it and includes a protection 19 made of a material such as foam which allows, by pressure, to more or less discover the needle according to the thickness of the article to be crossed, as shown in Figure 2a.
  • the needle is connected to the plate 15 by an electrically conductive wire 20.
  • Two other electrically conductive wires 21 and 22 connect the plate 15 respectively to a current input terminal (not shown) by a male plug 23 and to a terminal. current output (not shown) by a female socket 24.
  • the housing 11 of dimensions 4 x 1.8 x 2 cm is produced with impact-resistant polystyrene
  • the needle in steel has a maximum diameter of 1.2 to 1.5 mm so as not to leave a mark in the article
  • the diameter of the hole 14 does not exceed that of the needle by more than one to two tenths of a millimeter
  • the board is of the printed circuit board type
  • the two board wires are made of spring brass
  • each of the other conducting wires is included in a standard flexible coaxial cable. Length appropriate to the application for which the detector is used.
  • the mechanical braking means 17 is made with an elastomer of the type used for the manufacture of seals.
  • FIG. 2b represents the face of the wafer 15 on which are welded the conducting wires 16 and the connections of this wafer with the other three conducting wires 20, 21 and 22 when the needle 18 is pressed into the housing 11 as indicated Figure 2a, when the needle is out of the housing, the two son 16 which are welded to the plate at the ends 30 and 31 are tangent over their entire length along a line which intersects the axis of the holes 13 and 14.
  • the needle is successively introduced into the hole 13 and into the hole 14, its point being in the axis of the holes passes between the two threads 16 and the spreads more and more until the part of the needle larger diameter crosses the hole 14 and spreads the wires 16 as far as possible while remaining in contact with them.
  • the inner wire of the cable 21 is connected to the end of the wires 16 by the two solder points 32 and 30 (which are separate for practical reasons of welding), and the inner wires of the cables 20 and 22 are connected to the point of solder 33 while the cable shield conductors 20, 21 and 22 are all connected to the solder point 34 to be maintained at the same potential.
  • the current can pass from the welding point 32 to the end 30 of the wires 16, from the wires 16 to the needle and the inner wire of the cable 20 to the welding point 33 where it passes through the inner wire of the cable 22.
  • Such a circuit makes it possible to connect the detector of FIG. 1 to a central alarm circuit In the manner indicated in FIG. 4 where a set of detectors similar to the detector in FIG. 1 are connected in series to an alarm circuit 40 by means of alternating male and female sockets such as sockets 23 and 24 of La figure 1.
  • each of the detectors D1 to D5 forms a closed circuit with the other detectors and the alarm circuit 40 if the protection loop of its internal circuit, such as that shown in FIG. 2b, is closed between the input and output sockets 23 and 24 of the detector, that is to say when the needle is pressed into the housing and that it electrically connects the wires 21 and 22 by The intermediary of wires 16 and 20.
  • the electrical continuity provided between the input and output sockets 23 and 24 by each positive security detector keeps the alarm circuit in standby state.
  • one of the detector protection loops is open, that is, when the detector's needle is fraudulently removed from its housing (or when one of the cables is cut), there is no longer any electrical continuity in the circuit of figure 4 and the alarm circuit is triggered.
  • the use of a shielded cable for all connections to the detector also ensures safety against attempts to short-circuit this detector without disconnecting or cutting the wires. Indeed, by pricking this cable, the electrical continuity of the loop is not interrupted but the alarm circuit is triggered as described in patent application No. 80 25,683.
  • FIG. 3 represents a second embodiment of a protection detector according to the invention which applies to the case of articles comprising an opening such as belts. All the elements of the detector of FIG. 3 which are identical to those of the detector of FIG. 1 are indicated by the same reference numerals.
  • these are protected using the detector of the invention by passing the wire 20 through the loops B1 to B4 of these belts before introducing the needle in the case. Therefore, the toning of the wire 20 is a function of the number of belts to be attached to the detector.
  • the needle no longer has the protective means 19 provided in the case of Figures 1 and 2a where the needle must pass through a more or less thick fabric for example.
  • the detector of FIG. 3 comprises the same mechanical braking means 17 as that of FIG. 1 because, even if in this case the needle is pushed in as far as possible since it does not pass through any thickness of article, the means braking protects the tip of the needle in the event of too sudden insertion into the housing and absorbs all the lateral forces of the needle which can occur despite the close contact of the needle with the two threads 16 .
  • the detector of FIG. 3 is also designed to be fixed to a wall 37, for example, by means of an adhesive applied to the face 38 of the housing 11.
  • the second embodiment of the present invention also makes it possible to protect several articles at the same time and thus to minimize The cost means of protection per article.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
EP82401310A 1981-07-10 1982-07-09 Détecteur de protection contre le vol d'articles Withdrawn EP0070240A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8113699A FR2509494A1 (fr) 1981-07-10 1981-07-10 Detecteur de protection contre le vol d'articles
FR8113699 1981-07-10

Publications (1)

Publication Number Publication Date
EP0070240A1 true EP0070240A1 (fr) 1983-01-19

Family

ID=9260462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401310A Withdrawn EP0070240A1 (fr) 1981-07-10 1982-07-09 Détecteur de protection contre le vol d'articles

Country Status (2)

Country Link
EP (1) EP0070240A1 (enrdf_load_stackoverflow)
FR (1) FR2509494A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180680A (en) * 1985-09-18 1987-04-01 Romuald Oleszczuk Anti-pilfering clip
FR3007783A1 (fr) * 2013-06-28 2015-01-02 Fors France Dispositif antivol destine a etre attache a un article en vente libre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1551219A (en) * 1976-11-12 1979-08-22 Smith A J C Theft alarm apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1551219A (en) * 1976-11-12 1979-08-22 Smith A J C Theft alarm apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180680A (en) * 1985-09-18 1987-04-01 Romuald Oleszczuk Anti-pilfering clip
FR3007783A1 (fr) * 2013-06-28 2015-01-02 Fors France Dispositif antivol destine a etre attache a un article en vente libre

Also Published As

Publication number Publication date
FR2509494A1 (fr) 1983-01-14
FR2509494B1 (enrdf_load_stackoverflow) 1984-09-21

Similar Documents

Publication Publication Date Title
BE1000101A6 (fr) Connecteurs electriques.
CA2034494C (fr) Connecteur electrique pour le raccordement d'un cable multiconducteur blinde a un ensemble electrique place a l'interieur d'un chassis
EP0635167B1 (fr) Conneteur male deconnectable pour reseau de communication
FR2741204A1 (fr) Assemblage de connecteur electrique
EP0615041A1 (fr) Dispositif antivol réutilisable pour lunettes
EP0598811A1 (fr) Connecteur electrique hermaphrodite.
WO1997028578A1 (fr) Connecteur de derivation pour cable souterrain
WO2001001528A1 (fr) Tete de connexion pour casque d'ecoute stereophonique
FR3051079A1 (fr) Dispositif de verrouillage pour connecteurs electriques et connecteurs electriques equipes du dispositif.
EP0668630B1 (fr) Boîte de raccordement pour une pluralité de câbles blindés
FR2504315A1 (fr) Element de connexion et dispositif de connexion, comportant de tels elements
CH680245A5 (enrdf_load_stackoverflow)
EP0566206A1 (fr) Dispositif de connexion
EP0070240A1 (fr) Détecteur de protection contre le vol d'articles
FR2706086A1 (fr) Procédé et système pour la séparation physique de deux corps solidaires reliés électriquement entre eux.
EP2135326B1 (fr) Dispositif conducteur pour le contact électrique d'une gaine de blindage d'un conducteur
FR2722342A1 (fr) Barrette de connexion auto-denudante pour fils electriques isoles
FR2605810A1 (fr) Dispositif de securite pour l'accouplement de deux prises electriques
FR2634950A1 (fr) Connecteur pour cable
WO2016016249A1 (fr) Systeme de protection pour dispositif de communication mobile et procede d'installation de ce systeme de protection
EP2367238B1 (fr) Connecteur basse tension pour système de communication
FR2771219A1 (fr) Connecteur de jonction
CA1298372C (fr) Connecteur a semelle retractable prevu pour la protection des sorties de contact
EP0949719B1 (fr) Connecteur électrique notamment pour le déclenchement d'un sac gonflable de protection d'un conducteur ou d'un passager de véhicule automobile
WO2007110312A1 (fr) Connecteur basse tension

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH DE GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19830509

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19860301