EP2649627B1 - Hangschloss zum sichern und überwachen eines schalters - Google Patents

Hangschloss zum sichern und überwachen eines schalters Download PDF

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Publication number
EP2649627B1
EP2649627B1 EP12701447.0A EP12701447A EP2649627B1 EP 2649627 B1 EP2649627 B1 EP 2649627B1 EP 12701447 A EP12701447 A EP 12701447A EP 2649627 B1 EP2649627 B1 EP 2649627B1
Authority
EP
European Patent Office
Prior art keywords
padlock
rfid transponder
lock
housing
switch
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
EP12701447.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2649627A1 (de
Inventor
Bernhard Garthe
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.)
ABUS August Bremicker Soehne KG
Original Assignee
ABUS August Bremicker Soehne KG
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 ABUS August Bremicker Soehne KG filed Critical ABUS August Bremicker Soehne KG
Publication of EP2649627A1 publication Critical patent/EP2649627A1/de
Application granted granted Critical
Publication of EP2649627B1 publication Critical patent/EP2649627B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool

Definitions

  • the invention relates to a padlock for securing and monitoring a switch of an industrial plant.
  • the invention further relates to a safety and monitoring system for a switch of an industrial plant comprising at least one padlock.
  • a special area of application of a padlock is in the field of occupational safety.
  • industrial equipment such as a production machine
  • the aforesaid switch is typically a power supply switch, for example, a main electrical switch of a controller or an industrial plant power supply (e.g., power switch box).
  • the switch mentioned may be, for example, a valve of a liquid or gas line.
  • each maintenance person hangs before the start of their work on the said switch or on a Switch assigned locking device a padlock and locks it.
  • the switch is thereby secured in its OFF position, ie the switch can not be accidentally returned to an ON position by another person.
  • the maintenance person finishes their work they unlock their padlock and release it from the switch.
  • Each maintenance person is usually assigned his own individual padlock (or several individual padlocks).
  • lockout lock This procedure is also called lockout. Accordingly, the padlock used is referred to as lockout lock.
  • the document US 5,449,867 shows such a backup of an electrical toggle switch by means of a padlock. From the document US 3,171,908 It is known to secure the position of a rotary switch by means of a padlock.
  • receptacles for example, eyelets
  • a securing claw can be used, which is hooked into the relevant eyelet of the switch or the associated locking device and in turn has several hooks for a respective padlock. Only when the last padlock has been removed from the safety claw, the safety claw can be removed from the switch, so that it can be brought back into the ON position.
  • a securing claw for use on an electrical control box is for example from the documents US 6,396,008 . US 5,365,757 and US 3,667,259 known.
  • the lockout lock used with a plastic housing, wherein a bracket is held displaceably on the lock housing, and wherein a lock cylinder is arranged in the lock housing.
  • the lock cylinder can be selectively brought from an open position to a locking position to lock the bracket to the lock housing after the bracket has been hung, for example, in an eye of the switch.
  • the design of the lock housing made of plastic results in a particularly lightweight padlock, which is advantageous when used as a lockout lock, since the maintenance personnel sometimes carry several lockout locks simultaneously.
  • a plastic housing may also contribute to a desired electrical insulation. Furthermore, by using a plastic housing a particularly simple way of color marking the padlock.
  • a security system for an industrial installation that includes a lock for locking a lever and an associated key that may be provided with an RFID transponder.
  • the key can be recorded in a central unit to read an electronic code from the RFID transponder.
  • the padlock used can have a simple mechanical structure, since the RFID transponder can be used as a separate, autonomous unit in the padlock.
  • the padlock can thus have a purely mechanical locking device, which is independent of the electronics of the RFID transponder. Due to the arrangement of the RFID transponder in a plastic housing, radio communication with an associated reading device can take place essentially undisturbed. At the same time, the RFID transponder is reliably protected against damage and contamination.
  • the padlock as a lockout lock, since the padlock may be subject to severe impact and / or abrasion stress when placed on a switch of an industrial facility and even while it is not in use by the service person is carried along (hanging on a belt, for example).
  • the arrangement of the RFID transponder in the lock housing can be done in many ways.
  • the lock housing form an outer shell, in which the RFID transponder is integrated, in particular by encapsulation or encapsulation.
  • An RFID transponder is a receiving and transmitting device that receives an interrogation signal at a predetermined radio frequency and then transmits a predetermined identification signal (for example, an identification number coded in a radio signal).
  • This method is called Radio Frequency Identification (English: radio-frequency identification).
  • the RFID transponder has at least one antenna, an electronic circuit coupled thereto and a nonvolatile memory in which the predetermined identification number is stored. If an associated reading device generates an electromagnetic alternating field with a suitable frequency and transmits it to the RFID transponder (interrogation signal), the antenna of the RFID transponder receives the electromagnetic energy of the alternating field, whereby the emission of said identification signal (again via the antenna) is triggered becomes.
  • the electronic circuit of the RFID transponder does not have its own power supply, but he can remove the required electrical energy of the received alternating field.
  • the emitted identification signal is impressed by field weakening in such a way in the alternating field generated by the reader that the reader can decode the identification signal of the RFID transponder.
  • Such an RFID transponder is for example from the document US Pat. No. 7,205,899 known.
  • the lock cylinder of the padlock has a longitudinal shape with a longitudinal axis, which typically corresponds to the axis of rotation of a rotatable cylinder core of the lock cylinder.
  • the lock cylinder can be designed, for example, as a profile cylinder, in particular as an exchangeable profile cylinder.
  • the RFID transponder is curved with respect to the longitudinal axis of the lock cylinder. In other words, the RFID transponder extends in a curved manner (in a normal plane to said longitudinal axis) around the lock cylinder. This results in a particularly advantageous angular characteristic of the RFID transponder, ie, the RFID transponder can interact with a dedicated reader in a wide range of angles.
  • this can be a reliable communication be achieved with an associated RFID reader regardless of whether the RFID reader facing the front or the back of the padlock.
  • the lock cylinder which is typically made of metal, does not prove to be disturbing because the lock cylinder can be arranged inside the curvature formed by the RFID transponder, ie the RFID transponder can completely or partially surround the lock cylinder in a circumferential manner.
  • the RFID transponder is enclosed on all sides within the lock housing. This ensures a particularly effective protection of the RFID transponder from mechanical damage and / or contamination.
  • the all-round enclosing of the RFID transponder is preferably carried out by interaction of the lock housing with another part of the padlock, in particular with a further housing part (for example inner housing or outer housing part).
  • the RFID transponder may extend along at least part of the length of the lock cylinder and along at least part of the circumference of the lock cylinder.
  • the RFID transponder does not touch the lock cylinder, but is preferably spaced from this (in the radial direction relative to the longitudinal axis of the lock cylinder).
  • the RFID transponder is arranged at a distance from the lock cylinder. Investigations have shown that a particularly good angle characteristic of the RFID transponder is achieved when the RFID transponder is not directly adjacent to the lock cylinder, but is arranged at a certain distance from the lock cylinder. This is especially true when the RFID transponder is curved with respect to the longitudinal axis of the lock cylinder, as explained above.
  • the padlock in addition to the lock housing has a further housing part, this can be secured in (eg, received in) the lock housing, wherein the RFID transponder is disposed in a space between the lock housing and the other housing part.
  • This allows a particularly simple and fast attachment of the RFID transponder in the lock housing, since the RFID transponder must be inserted only in the lock housing or the other housing part before the lock housing and the housing part are secured together and the RFID transponder thus in the lock housing is caught.
  • this can be realized in a simple manner, an advantageous distance between the RFID transponder and the lock cylinder.
  • the RFID transponder can be accommodated in a form-fitting manner in a recess of the lock housing or of the further housing part provided in order to ensure a substantially backlash-free fit of the RFID transponder in the lock housing.
  • said further housing part it is preferred if this also consists of plastic. As a result, a long range and a wide angle characteristic of the RFID transponder are still better supported.
  • said housing part made of metal, provided electrical insulation is ensured by the components of the RFID transponder (for example, by a plastic covering of the RFID transponder).
  • the lock housing and said further housing part are secured to each other by means of a detachable securing device (for example a screw), wherein the RFID transponder is caught between the lock housing and the housing part, as long as the lock housing and the housing part secured together by means of said securing means are.
  • a detachable securing device for example a screw
  • the RFID transponder is reliably secured captive in the lock housing. Nevertheless, the RFID transponder can be exchanged later, for example to assign a different identification number to the relevant lockout lock.
  • the said safety device is only accessible when the authorized user has brought the lock cylinder by means of an associated key in the open position. This makes it possible for the authorized user to exchange the RFID transponder as needed.
  • the RFID transponder between the lock housing and the housing part is caught unreachable, so that with regard to the assignment of a predetermined RFID transponder to the respective padlock a high Tampering security is ensured.
  • the RFID transponder it is preferred if it has two antennas. As a result, the sensitivity and the angle characteristic of the RFID transponder can be further improved.
  • a safety and monitoring system for a switch of an industrial plant comprising at least one padlock with the features of claim 1, wherein the padlock can be attached to the switch of the industrial plant, wherein the safety and Monitoring system further comprises a permanently mounted in the vicinity of the switch reference RFID transponder and a mobile RFID reader, which is adapted to read the RFID transponder of the padlock and the fixed in the vicinity of the switch reference RFID transponder.
  • said RFID reader can be designed to store an identification information read from the RFID transponder of the lockout lock and an identification information read from the reference RFID transponder together with time information (date / time), in particular in a non-volatile manner Storage.
  • time information can be derived, for example, from an integrated clock of the RFID reader.
  • a safety and monitoring system for a switch of an industrial plant comprising at least one padlock with the features of claim 1, wherein the padlock can be attached to the switch of the industrial plant, and wherein the safety and monitoring system has a permanently mounted in the vicinity of the switch RFID reader, which is adapted to read the RFID transponder of the padlock at predetermined times.
  • an RFID reader permanently mounted near the switch can detect the presence of one or more lockout locks on the switch by automatically checking at regular time intervals.
  • the permanently mounted RFID reader can be designed to store an identification information read from the RFID transponder of the lockout lock together with time information, in particular in a nonvolatile memory. hereby is a particularly reliable and complete documentation of possible, at what times which lockout locks were on the switch.
  • the information read out of the RFID transponder of the lockout lock can be transmitted to a central storage and / or evaluation device.
  • the central storage and / or evaluation device can in this case receive the signals from a plurality of stationary RFID readers, which are assigned to various switches of the industrial plant.
  • the respective padlock may be developed in accordance with one of the embodiments which have also been explained above for a lockout lock according to the invention.
  • FIG. 1 shown padlock has a lock body 11 and a bracket 13.
  • the bracket 13 has a U-shape with a shorter leg and a longer leg.
  • an inwardly facing locking recess 15 is formed on both legs of the bracket 13, an inwardly facing locking recess 15 is formed.
  • an annular groove 17 is further provided with an abutment head 19 adjacent thereto.
  • the lock body 11 has a lock housing 21 and a further housing part, which is formed in the embodiment shown as an inner housing 23.
  • the lock housing 21 and the inner housing 23 are made of plastic.
  • the inner housing 23 can be inserted into the lock housing 21 and fixed to the lock housing 21 by means of a locking screw 25, as will be explained below.
  • the lock housing 21 and the inner housing 23 accommodate a lock cylinder 27 and a locking mechanism 29, via which the lock cylinder 27 cooperates with the bracket 13.
  • the lock cylinder 27 has a cylinder core 31 with a keyway 33.
  • the cylinder core 31 is within a cylinder housing 35 with respect to a rotation axis A (FIG. Fig. 2 ), wherein a rotary operation is only possible if an associated key is inserted into the keyway 33.
  • a driver extension 37th At the back of the cylinder core 31 has a driver extension 37th
  • the locking mechanism 29 comprises a rotary latch 39 and two blocking balls 41.
  • the rotary latch 39 has a substantially hollow cylindrical Form with an inside engagement lug 43, which allows a rotationally fixed coupling with the driver extension 37 of the lock cylinder 27.
  • the rotary latch 39 On its outer side, the rotary latch 39 has two receiving recesses 45, which can partially receive the blocking balls 41 during an opening operation of the lock cylinder 27 and thus of the rotary latch 39. Envelope adjacent to each of the receiving recesses 45 of the rotary latch 39 forms locking portions 47, by which the blocking balls 41 can be held in a blocking engagement with the locking recesses 15 of the bracket 13.
  • FIG. 1 shown by appropriate operation of the lock cylinder 17 selectively locking the bracket 13 on the lock body 11 (locking position of the lock cylinder 27) or the release of the shorter leg of the bracket 13 from the lock body 11 (open position of the lock cylinder 27), for example, the bracket 13 in a Insert eyelet or remove it.
  • the padlock shown is particularly suitable for use as a lockout lock.
  • an RFID transponder 48 is arranged within the lock housing 21, which in the exemplary embodiment shown here is designed as a flexible unit whose antenna and electronic components are accommodated in a flexible film.
  • the RFID transponder 48 is thus U-shaped in cross-section and with respect to the longitudinal axis of the lock cylinder 27 (rotation axis A in FIG Fig. 2 ) arched.
  • the RFID transponder 48 is in this case arranged radially spaced from the lock cylinder 27.
  • the RFID transponder 48 is thus functionally independent of the lock cylinder 27, the locking mechanism 29 and the bracket 13, ie the operation and the functionality of the RFID transponder 48 are independent of the position and the operability of the lock cylinder 27, the lock mechanism 29, and the bracket 13.
  • the generation of an identification signal by the RFID transponder 48 is solely in response to an interrogation signal from an RFID reader 69, 79, as will be explained below.
  • Fig. 2 shows a cross-sectional view of a possible embodiment of a padlock according to Fig. 1 in the assembled state and locked bracket 13.
  • the inner housing 23 is inserted into the lock housing 21 and fixed to the lock housing 21 by means of the locking screw 25.
  • the fastening screw 25 cooperates with a nut 49 which is non-rotatably inserted into the inner housing 23.
  • the fastening screw 25 is inserted into a bracket receiving channel 51 of the lock housing 21, which is closed by the bracket 13 when the bracket 13 - as in Fig. 2 shown - is locked on the lock body 11.
  • the nut 49 is covered by a cover 53.
  • the locking screw 25 can be released again from the nut 49 to remove the inner housing 23 of the lock housing 21. As a result, therefore, the RFID transponder 48 can also be replaced later.
  • Fig. 2 shows a state of the padlock, in which the bracket 13 is locked and thus secured against removal from the lock body 11.
  • the bracket 13 is locked and thus secured against removal from the lock body 11.
  • the locking portions 47 of the rotary bracket 39 the blocking balls 41 in a locking engagement with the locking recesses 15 of the bracket 13.
  • an opening rotation operation by means of an associated key 55 is required.
  • the driver extension 37 of the lock cylinder 27 and the rotary latch 39 are rotated by 90 °, so that a respective receiving recess 45 of the rotary latch 39 is rotated in the region of the blocking balls 41.
  • the blocking balls 41 can thus escape from the locking recesses 15 of the bracket 13.
  • the bracket 13 can now be pulled axially out of the lock body 11 until the stopper head 19 of the longer stirrup leg strikes against the respective blocking ball 41.
  • the shorter leg of the bracket 13 protrudes now already out of the lock body 11.
  • the bracket 13 can now be rotated about the longitudinal axis of the longer stirrup leg. A renewed locking of the bracket 13 on the lock body 11 takes place in the reverse order.
  • the cross-sectional view according to Fig. 2 indicates that the RFID transponder 48 is received positively in a recess 57 of the inner housing 23.
  • Fig. 3 shows a perspective view of a possible embodiment of an inner housing 23 of the padlock in accordance with Fig. 1 or Fig. 2 , Shown is the U-shaped RFID transponder 48 which is inserted positively into an outer recess 57 of the inner housing 23. in this connection surrounds the RFID transponder 48 at a certain radial distance a central recess 59 of the inner housing 23, which is provided for the positive reception of a lock cylinder 27 in the assembled state of the padlock.
  • the RFID transponder then - in radial projection with respect to the axis of rotation A according to Fig. 2 viewed along a portion of the length of the lock cylinder 27 and along a portion of the circumference of the lock cylinder 27 extends.
  • the padlock By the respective padlock according to Fig. 1 and 2 is provided with an RFID transponder 48, by means of an associated RFID reader, if necessary, an identification information from the RFID transponder 48 can be read, which allows reliable identification and localization of the respective padlock.
  • the padlock is particularly well suited for use as a lockout lock for securing an electrical or other switch of an industrial plant. For one thing, namely by means of the locked bracket 13, a switch position can be blocked.
  • the identification information stored in the padlock it is possible to monitor and document which padlock was or was located at the switch at what point in time. This will be explained in more detail below with reference to two possible embodiments.
  • Fig. 4 shows a fuse and monitoring system for a switch 61 an industrial plant.
  • This safety and monitoring system comprises a padlock 63, the bracket 13 is mounted in a blocking device 65 of the switch 61, for example in an eyelet.
  • the padlock 63 has an RFID transponder 48, as associated with Fig. 1 to 3 explained.
  • the safety and monitoring system further comprises a reference RFID transponder 67 permanently mounted to the switch 61 or near the switch 61.
  • the security and monitoring system comprises a mobile RFID reader 69. This has a transmit and receive antenna 71, a controller coupled thereto - And evaluation 73, a non-volatile memory 75 and a power supply device 77 (eg, electric battery).
  • an interrogation signal can be transmitted, which is an electromagnetic alternating field of a predetermined frequency.
  • both the RFID transponder 48 of the padlock 63 and the reference RFID transponder 67 emit a respective identification signal, which contains an individual identification information for the respective RFID transponder 48 or 67.
  • the respective identification signal may be received and decoded by the mobile RFID reader 69.
  • the respective received and decoded identification information is stored in the nonvolatile memory 75, preferably together with associated time information.
  • the switch 61 can be monitored to determine whether at a time when the RFID reader identifies the reference RFID transponder 67, the padlock 63 with the RFID transponder 48 (and / or another padlock) is detected.
  • the fuse state of the switch 61 can be documented, for example in the event of a fault or an accident.
  • Fig. 5 shows one opposite Fig. 4 modified embodiment of a safety and monitoring system for a switch 61 an industrial plant.
  • This security and monitoring system includes a padlock 63 with an RFID transponder 48, as associated with Fig. 1 to 3 explained.
  • the bracket 13 of the padlock 63 is mounted in a blocking device 65 of the switch 61.
  • a stationary RFID reader 79 is arranged on the switch 61 or in the vicinity of the switch 61, ie the RFID reader 79 is permanently attached to the switch 61 or in the vicinity of the switch 61 for its operation.
  • an interrogation signal can be automatically triggered, which is converted in the RFID transponder 48 of the padlock 63 into an identification signal.
  • This identification signal which is characteristic for the RFID transponder 48 and thus for the padlock 63, can be received and decoded by the stationary RFID reader 79.
  • the identification information obtained therefrom is then stored in a non-volatile memory 75 of the stationary RFID reader 79, preferably together with time information.
  • the fuse state of the switch 61 is monitored so that it can be checked by reading the non-volatile memory 75, which padlock 63 has been arranged on the switch 61 or arranged at an earlier time.
  • lock housing 21 and inner housing 23 may be provided, for example, a multi-part outer lock housing made of plastic, in particular in the manner of an open housing with an associated lid, or in the manner of a two-piece Lock housing with a central dividing plane as from the document mentioned above US 5 755 121 known.
  • a multi-part lock housing made of plastic may optionally be additionally provided an inner housing.
  • a padlock with a U-shaped bracket for example, a padlock with a curved turntable can be used.

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)
  • Lock And Its Accessories (AREA)
  • Testing And Monitoring For Control Systems (AREA)
EP12701447.0A 2011-01-20 2012-01-19 Hangschloss zum sichern und überwachen eines schalters Active EP2649627B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011009011.8A DE102011009011B4 (de) 2011-01-20 2011-01-20 Hangschloss zum Sichern und Überwachen eines Schalters
PCT/EP2012/000238 WO2012097994A1 (de) 2011-01-20 2012-01-19 Hangschloss zum sichern und überwachen eines schalters

Publications (2)

Publication Number Publication Date
EP2649627A1 EP2649627A1 (de) 2013-10-16
EP2649627B1 true EP2649627B1 (de) 2018-03-14

Family

ID=45554618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12701447.0A Active EP2649627B1 (de) 2011-01-20 2012-01-19 Hangschloss zum sichern und überwachen eines schalters

Country Status (8)

Country Link
EP (1) EP2649627B1 (zh)
CN (1) CN103493162B (zh)
AU (1) AU2012208746B2 (zh)
BR (1) BR112013018243B1 (zh)
CA (1) CA2824844C (zh)
DE (1) DE102011009011B4 (zh)
DK (1) DK2649627T3 (zh)
WO (1) WO2012097994A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013207268A1 (de) * 2013-04-22 2014-10-23 ABUS August Bremicker Söhne KG Hangschloss
US8820125B1 (en) * 2013-06-05 2014-09-02 Moshe Dolev Padlock assembly
US10210682B2 (en) 2013-09-05 2019-02-19 Rockwell Automation Technologies, Inc. Systems and methods for improving a sensing ability of an interlock switch system
CA2889127C (en) 2014-04-22 2017-01-03 Movex Innovation Inc. Locking system for power line sectioning unit
DE102014106228A1 (de) 2014-05-05 2015-11-05 ABUS August Bremicker Söhne KG Verschlusskasten
DE102018109746A1 (de) * 2018-04-23 2019-10-24 ABUS August Bremicker Söhne KG Hangschloss zum sichern eines schalters
CN110889915A (zh) * 2019-11-08 2020-03-17 深圳供电局有限公司 一种无线密码挂锁

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US3171908A (en) 1961-09-15 1965-03-02 Gen Electric Handle operating mechanism for enclosed electric devices
US3667259A (en) 1970-08-05 1972-06-06 Eng Dev Co Inc Safety lock
US5365757A (en) 1993-06-21 1994-11-22 Mario Primeau Safety lock
US5349145A (en) 1993-08-02 1994-09-20 General Electric Company Circuit breaker operating handle interlock
US5755121A (en) 1996-07-23 1998-05-26 Master Lock Company Lock body having opposing identical molded plastic sections
DE19844631A1 (de) 1998-09-29 2000-04-06 Gantner Electronic Gmbh Schrun System zur Überwachung, Steuerung, Verfolgung und Handling von Objekten
DE19950145C1 (de) 1999-10-18 2001-05-10 Lucatron Ag Baar Verfahren zum Auslesen und Beschreiben von RFID-Transpondern
US6388213B1 (en) 2000-03-17 2002-05-14 General Electric Company Locking device for molded case circuit breakers
US6396008B1 (en) 2001-02-08 2002-05-28 Eaton Corporation Handle lock device and electrical switching apparatus employing the same
DE10204884A1 (de) 2002-02-06 2003-08-14 Schreiner Gmbh & Co Kg Transponderetikett
EP1371797A1 (fr) 2002-05-13 2003-12-17 European Community Scellé multi-usage à serrure
US7278283B2 (en) * 2004-04-27 2007-10-09 Abus August Bremicker Soehne Kg Padlock
PT103228B (pt) 2005-01-25 2006-12-29 Duarte Luis Augusto Neves Sistema remoto de segurança
DE102006019142B4 (de) * 2005-07-01 2018-02-15 Elan Schaltelemente Gmbh & Co. Kg Schlüsselwahlschalter
EP1808879A1 (de) * 2005-12-22 2007-07-18 Siemens Aktiengesellschaft System zur kontaktlosen Zustandserkennung
ES2571034T3 (es) 2007-09-05 2016-05-23 Confidex Oy Transpondedor de RFID y método
WO2009036585A1 (de) 2007-09-19 2009-03-26 Kaba Ag Verriegelungsvorrichtung
CN201588460U (zh) 2009-11-23 2010-09-22 珠海汇金科技有限公司 电子射频卡封挂锁及用于封闭钥匙孔的卡片

Also Published As

Publication number Publication date
BR112013018243B1 (pt) 2021-11-16
DE102011009011A1 (de) 2012-07-26
CN103493162B (zh) 2016-08-10
AU2012208746A1 (en) 2013-08-01
DE102011009011B4 (de) 2023-10-05
DK2649627T3 (en) 2018-05-22
CA2824844A1 (en) 2012-07-26
CN103493162A (zh) 2014-01-01
WO2012097994A1 (de) 2012-07-26
CA2824844C (en) 2018-03-20
AU2012208746B2 (en) 2016-06-23
BR112013018243A2 (pt) 2016-11-08
EP2649627A1 (de) 2013-10-16

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