Security system and kit

Abstract

A security system (10) for detecting at least one key (14) carried by at least one user (12), comprising: at least one identification element (20) which is designed to be brought into operative connection with the key (14); and at least one detection device (24) which is designed to be attached to an exit (28) of a room (30) and to detect the identification element (20) at the exit (28) when the key (14) with the identification element (20) operatively connected thereto is arranged in the vicinity of the exit (28) and / or when the key (14) with the identification element (20) operatively connected thereto passes the exit (28); wherein the exit (28) has at least one passage (36) which can be selectively closed by at least one closure element (40), preferably at least one door, wherein the key (14) is arranged to open and / or lock the closure element (40); and wherein the security system (10) is configured to emit at least one signal perceivable by the user (12) indicating that the key (14) has been detected at the output (28).

Description

[0001] In many areas of everyday life, there is a need and / or desire for security, especially for people. A variety of devices and mechanisms are available to provide security and to simplify and / or make everyday life safer.

[0002] For example, there are a relatively large number of security mechanisms used in households. For example, state-of-the-art mechanisms or devices are known that help people find items in the home or warn people when items have been left behind.

[0003] However, the mechanisms and devices known from the prior art are disadvantageous for several reasons. For example, the known mechanisms and devices are relatively susceptible to failure.

[0004] Furthermore, the use or application of the known mechanisms or devices in everyday life is relatively complex and / or the user-friendliness of the known mechanisms or devices in everyday life is relatively low.

[0005] DE 196 14 215 A1 discloses a base station for a control system with a device for communicating with a handset that is moved by an object to gain access to a room or area secured by the control system. The base station is capable of emitting a warning signal if an object moves away from the secured room without carrying the handset corresponding to the key.

[0006] It is therefore desirable to at least partially improve at least one disadvantage of the safety devices known from the prior art, preferably at least one of the disadvantages mentioned above.

[0007] It is therefore an object of the present invention to provide a security system with improved properties, in particular with greater reliability and / or greater user-friendliness.

[0008] This object is achieved by a security system according to the features of claim 1. Advantageous embodiments with expedient further developments of the invention are specified in the respective subclaims as well as in the following description and the figures.

[0009] The security system may be configured to detect at least one key carried by at least one user.

[0010] The security system may comprise at least one identification element which is designed to be operatively connected to the key.

[0011] The security system may comprise at least one detection device, which may be configured to be mounted at an exit of a room, for example, on a wall at the exit. The detection device may be configured to detect the identification element at the exit when the key with the operatively connected identification element is located near the exit and / or when the key with the operatively connected identification element passes the exit.

[0012] Preferably, the exit has at least one passage that can be selectively closed by at least one closure element, preferably at least one door. The key can be configured to open and / or lock the closure element and / or at least one further closure element.

[0013] The security system can be configured to emit at least one signal perceivable by the user. This signal can indicate that the key, with the associated identification element, has been detected at the exit.

[0014] Accordingly, the security system is capable of actively providing positive feedback to the user via the signal emitted by the security system when the key, or more precisely the identification element associated with it, is detected at the exit. This reassures the user that they have the key with them when leaving the room and will not accidentally leave it behind. This can reduce the risk of the user accidentally leaving the key behind and therefore being unable to open a locking element, such as a door, at the aforementioned exit and / or at another entrance or exit, at least not without other assistance or measures.

[0015] As already explained at the beginning, mechanisms or devices are known from the state of the art that can warn people when items have been left behind. However, these devices are prone to failure because the user assumes that the item in question is with the user if the device does not issue a warning.

[0016] This may lead to the user having general concerns about the effectiveness and / or functionality of the device and therefore checking whether all the necessary or desired items are with the user, despite the existing state-of-the-art device.

[0017] In the event of a malfunction and / or failure of at least one component of the security system described herein, the signal is not emitted, thereby alerting the user to the malfunction and / or failure. This represents a fail-safe function of the security system described herein. In contrast, a malfunction and / or failure of at least one component of the known devices also results in a signal being emitted. However, in contrast to the present invention, the user interprets this to mean that all required or desired items are with the user, since the known devices are based on a warning function that issues warnings when an item has been forgotten.

[0018] Accordingly, the security system described herein may exhibit greater reliability and / or generate greater user confidence in the security system described herein. This may increase the user-friendliness of the security system described herein compared to previously known devices.

[0019] The security system can be configured to emit the signal optically, for example via at least one display, for example via at least one text and / or at least one symbol and / or at least one color, and / or acoustically, for example via a loudspeaker, and / or haptically, for example via vibrations, in order to inform the user accordingly about the detection of the key, more precisely the detection of the identification element. The security system can comprise the corresponding means for emitting the optically and / or acoustically and / or haptically perceptible information(s), for example at least one display and / or at least one loudspeaker. The corresponding means can be arranged at a distance and / or separately from one or more components of the security system.Alternatively, or additionally, the means may be integrated together with at least one other component of the security system, for example with the detection device, in a module and / or in a unit.

[0020] For example, the security system may include at least one display mountable at the exit, which is configured to display at least one piece of information, for example, at least one piece of text and / or at least one symbol and / or at least one color, by which the user can recognize that the user has the key with them by looking at the display when passing through the exit. Alternatively, or additionally, the security system may include at least one loudspeaker mountable at the exit, which emits at least one sound by which the user can recognize that the user has the key with them.

[0021] The security system may comprise at least one control device to control at least one component of the security system, for example the detection device.

[0022] The security system can be configured to be integrated into at least one network, for example, a smart home network, and / or connected to at least one network, for example, a smart home network and / or a Wi-Fi network. For this purpose, the security system can have at least one communication unit configured to communicate with the respective network, preferably wirelessly.

[0023] The term "opening," in the sense of "opening" the closure element, is understood to mean opening from a fully closed state of the closure element, i.e., in which the closure element essentially completely closes the passage. The term "closing," in the sense of "closing" the closure element, is understood to mean completely closing the closure element.

[0024] Although the invention described herein is primarily described in conjunction with detecting a key, the security system can be used to detect any object, alternatively or in addition to detecting a key. For this purpose, the identification element can be operatively connected to the respective object.

[0025] The detection device can be configured to detect the identification element operatively connected to the key when the identification element is at a distance of 0 mm to 2500 mm, preferably from 0 mm to 2250 mm, preferably from 0 mm to 2000 mm, preferably from 0 mm to 1750 mm, preferably from 0 mm to 1500 mm, preferably from 0 mm to 1250 mm, preferably from 0 mm to 1000 mm, preferably from 0 mm to 750 mm, preferably from 0 mm to 500 mm, preferably from 0 mm to 250 mm, preferably from 0 mm to 200 mm, preferably from 0 mm to 150 mm, preferably from 0 mm to 100 mm, from the detection device. The specified distances ensure that the key, with the identification element connected to it, is detected by the detection device when passing through the passage.In addition, adjusting the distance can reduce the risk of the key being accidentally detected, for example, while the user is walking around the room but doesn't intend to leave. The above-mentioned distance values ​​are to be understood as meaning that the detection device will not detect the identification element outside the specified distance values.

[0026] The detection device can be configured to detect the identification element operatively connected to the key when the identification element is at a distance of a maximum of 2500 mm, preferably a maximum of 2250 mm, preferably a maximum of 2000 mm, preferably a maximum of 1750 mm, preferably a maximum of 1500 mm, preferably a maximum of 1250 mm, preferably a maximum of 1000 mm, preferably a maximum of 750 mm, preferably a maximum of 500 mm, preferably a maximum of 250 mm, preferably a maximum of 200 mm, preferably a maximum of 150 mm, preferably a maximum of 100 mm, from the detection device. The specified distances ensure that the key is detected by the detection device as it passes through the passage. The above-mentioned distance values ​​are to be understood such that the detection device does not detect the identification element outside the specified distance values.

[0027] The identification element and / or the detection device can be configured to allow the maximum distance at which the identification element can be detected by the detection device to be adjusted.

[0028] The term "key," as used herein, can refer to any element or tool designed to open and / or lock or close a locking element, preferably a door. The term "key" can therefore encompass electronic keys, such as key cards (also called "keycards") and / or transponders, and mechanical keys.

[0029] The key can be configured to open and / or lock the locking element. Alternatively, or additionally, the key can be configured to open and / or lock another locking element, i.e., a locking element arranged at a different exit or passage.

[0030] The identification element can be any element that can be operatively connected to the key and detected by the detection device when the key with the associated identification element is arranged at the exit, i.e., in the vicinity of the detection device. For example, the identification element can be an RFID tag, such as an RFID transponder. Alternatively, or additionally, the identification element can be detectable by the detection device using ultra-wideband (UWB) and / or Bluetooth and / or near-field communication (NFC).

[0031] The operative connection between the identification element and the key can comprise a direct and / or indirect attachment of the identification element to the key. Alternatively, or additionally, the identification element can be attached to a key ring to which the key is attached. Alternatively, or additionally, the identification element can be integrated into and / or onto the key, for example, in a cavity defined in the key.

[0032] Preferably, the detection device is configured to detect at least two identification elements, each operatively connected to a key, essentially simultaneously or at a time interval of a maximum of 3 seconds, preferably a maximum of 2.5 seconds, preferably a maximum of 2 seconds, preferably a maximum of 1.5 seconds, preferably a maximum of 1 second. The signal emitted by the security system and perceivable by the user can indicate that the respective keys, with the operatively connected identification elements, have been detected. This allows, for example, several people, each carrying a key, each with an operatively connected identification element, and leaving the room essentially at the same time, to each ensure that they have their key with them.

[0033] For this purpose, the security system can comprise a plurality of identification elements, wherein each key can be operatively connected to one of the identification elements, i.e., each key can have its own identification element.

[0034] As already explained above, the exit can have at least one passage that can be selectively closed by at least one locking element, preferably at least one door, wherein the key is configured to open and / or lock the locking element. Preferably, the security system can be configured to selectively permit the user to open the locking element from outside the room without using the key. For example, this can ensure that the user has the option, preferably for a limited time, of opening the closed locking element without using the key, for example by simply pulling or pushing the locking element open, in particular from outside the room, for example to retrieve the key from within the room.This can be helpful, for example, if the user did not perceive the signal from the security system or did not perceive it in time before closing the locking element and accidentally locked the locking element, for example the door, and inadvertently left the key in the room.

[0035] Preferably, the security system is designed to allow the user to open the locking element from outside the room, without using the key, for a limited period of time, preferably for a maximum of 30 seconds, preferably for a maximum of 25 seconds, preferably for a maximum of 20 seconds, preferably for a maximum of 15 seconds, preferably for a maximum of 10 seconds, preferably for a maximum of 5 seconds, preferably for a maximum of 4 seconds, preferably for a maximum of 3 seconds, preferably for a maximum of 2 seconds. This ensures that the locking element cannot be opened at will after a certain period of time, for example by unauthorized persons. The above-mentioned period can be initiated by at least one event, for example by closing the locking element.For this purpose, at least one sensor can be provided, for example, that can detect the closing and preferably also the opening of the locking element. This can, for example, detect that the user has opened and / or closed the locking element, for example, the door.

[0036] Preferably, the security system is configured to selectively permit the user to open the locking element from outside the room without using the key if the user leaves the room without the key being detected and the locking element has been closed. This gives the user the option, preferably for a limited time, of opening the locking element without using the key, for example by simply pulling or pushing the locking element open, for example to retrieve the key from within the room. For this purpose, the security system can interact with the locking element, for example with a door lock, for example to prevent the locking element, for example a door lock, from being locked and / or to enable the locking element to be released without a key.Alternatively, or additionally, the security system can cooperate with a counter element which cooperates with the locking element, for example a counter element in or on a frame of the exit, for example a door latch, for example to prevent locking of the locking element, for example a lock of a door, and / or to enable release of a lock of the locking element without a key.

[0037] Preferably, the security system is configured to emit at least one warning signal if the locking element is opened without the detection device detecting the key. As a result, the security system described herein can serve both as an informational means to assist the user in preventing their own key from being accidentally left in the room, and as a warning means to detect and warn when unauthorized persons are gaining and / or attempting to gain access to the room. As a result, the security system described herein can cover multiple security-relevant aspects with a single system. This can reduce the effort and / or costs of implementing these security-relevant aspects compared to separate systems.

[0038] Already known security systems, also called alarm systems, which are intended to make it more difficult for unauthorized persons to access a room, usually only have to be activated by a user after the user has left the room in question, and often have to be deactivated when the user re-enters the room. However, since the security system described here is based on detecting the key or the identification element effectively linked to it, the warning signal can only be triggered by opening the locking element, preferably an opening detected by the security system, if the key or the identification element effectively linked to it is not detected. In contrast, a warning signal is not triggered in the security system described here if the locking element is opened and the key or the identification element effectively linked to it is detected.Therefore, there is no need to activate or deactivate the security system described here.

[0039] The warning signal can be designed to be perceptible, preferably optically and / or acoustically, by the user and / or by at least one person who opens the locking element without the key with identification element and / or by at least one other person, for example by security personnel.

[0040] Alternatively, or additionally, the security system can be configured to emit the warning signal in such a way that the warning signal is perceptible, preferably acoustically, by an unauthorized person who has opened the locking element without the key with identification element, preferably from outside the room. For example, the warning signal can be emitted via at least one loudspeaker, preferably located in the room. This can deter the unauthorized person and / or alert other people in the vicinity.

[0041] Preferably, the security system is configured to ensure that the locking element can only be opened, in particular from outside the room, after the key has been detected by the detection device. This can, for example, provide additional protection against unauthorized persons. For example, it can prevent the locking element from being opened even if, for example, a lock, in particular a lock that can be opened with a mechanical key, has already been opened, for example by unauthorized persons. For example, at least one locking element, which is arranged, for example, in and / or on the locking element, can be provided, which is only unlocked when the identification element has been detected by the detection device. The locking element can therefore be decoupled from a lock of the locking element, which is partially visible from outside the room.

[0042] Preferably, the security system is configured to emit at least one warning signal perceptible to the user if the key is not detected at the exit and / or has been detected even though the user is at the exit and / or the locking element has been opened, particularly from within the room. Accordingly, the security system can be configured to provide the user with both positive feedback or information indicating that the key is or has been detected by the detection device, and negative feedback or information indicating that the key is or has not been detected by the detection device. This can increase the user-friendliness and / or effectiveness of the security system.

[0043] Preferably, the security system is configured to generate at least one warning signal which can be sent to at least one electronic device, preferably to at least one electronic device arranged outside the room and / or to at least one electronic device arranged inside the room and / or to at least one electronic device carried by the user and / or to at least one electronic device carried by a second user, if the key was not detected at the exit, although the user has left the room and preferably also closed the locking element, and / or if the locking element is opened, in particular from outside the room, without the detection device detecting the key.This allows the user to be warned, for example, that the key has been left in the room so that the user can retrieve the key, preferably before the user closes the locking element.

[0044] The above-described option, according to which the security system can be configured to generate at least one warning signal that can be sent to at least one electronic device carried by a second user, enables the second user to be informed of the situation in which the (first) user has left the key in the room and closed the locking element. This allows, for example, at least one parent of a child to be informed of such a situation.

[0045] The electronic device can be, for example, a smart device, such as a smartphone and / or a smartwatch, a PC, or any other, preferably portable, electronic device.

[0046] The security system preferably has at least one sensor configured to detect an opening and / or closing of the closure element and to communicate related data to the detection device and / or to a control device. Alternatively, or additionally, the sensor can be configured to detect at least one person at the exit and to communicate related data to the detection device and / or to a control device. A variety of different sensor types can be used. The at least one sensor can, for example, comprise at least one contact sensor, at least one optical sensor, etc. It is also conceivable to provide the sensor together with at least one transmitter that generates at least one medium detectable by the sensor. For example, an optoelectronic system for generating a light barrier can be provided.

[0047] The security system may include a plurality of sensors.

[0048] The data that can be communicated from the sensor to the detection device and / or to the control unit can include information indicating that at least one person has been detected at the exit. However, the data can also include further information, for example, regarding the identity of the detected person, such as biometric data, image data, etc.

[0049] Preferably, the security system is configured to emit at least one user-perceivable signal, for example, one of the signals / warning signals described above and below, based at least partially on the data, and / or to control at least one device, preferably a component of the security system. For example, the security system can be configured to emit a warning signal, based at least partially on the data, if the sensor detects an opening of the locking element without the detection device detecting the key.

[0050] The object described above is also achieved by a security system according to a further aspect of the invention.

[0051] The security system may comprise at least one identification element configured to be operatively connected to a key. The security system may comprise at least one detection device configured to detect the identification element at the exit when the key with the operatively connected identification element is located near the exit and / or when the key with the operatively connected identification element passes the exit. The detection device is preferably configured to be mounted at an exit of a room.

[0052] The exit may have at least one passage which can be selectively closed by at least one closure element, preferably at least one door, wherein the key can be configured to open and / or lock the closure element.

[0053] The security system may be configured to emit at least one warning signal if the closure element is opened from outside the room without the detection device detecting the identification element.

[0054] Already known security systems, also called alarm systems, which are intended to make it more difficult for unauthorized persons to access a room, usually only have to be activated by a user after the user has left the room in question, and often have to be deactivated when the user re-enters the room. However, since the security system described here is based on detecting the key or the identification element effectively linked to it, the warning signal can only be triggered by opening the locking element, preferably an opening detected by the security system, if the key or the identification element effectively linked to it is not detected. In contrast, a warning signal is not triggered in the security system described here if the locking element is opened and the key or the identification element effectively linked to it is detected.Therefore, the user does not need to activate or deactivate the security system described herein.

[0055] At least one means or at least one device, for example at least one sensor, can be provided to detect or determine that the closure element is opened from outside the room, so that the warning signal is only emitted when the closure element is opened from outside the room and not when the closure element is opened from inside the room. For example, opening the closure element from inside the room can involve moving a handle that is not moved when the closure element is opened from outside the room. The movement of the handle can be detected.

[0056] The security system can be configured to ensure that the locking element can only be opened, in particular from outside the room, when the key is detected by the detection device. This can provide additional protection against unauthorized persons. For example, it can prevent the locking element from being opened even if, for example, a lock, in particular a lock that can be opened with a mechanical key, has already been opened, for example by unauthorized persons. For example, at least one locking element can be provided, which is arranged, for example, in and / or on the locking element, which is only unlocked when the identification element has been detected by the detection device. The locking element can therefore be decoupled from a lock of the locking element, which is partially visible from outside the room.The locking element may be arranged in such a way that it is not visible and / or not accessible from outside the room.

[0057] The present invention also relates to a kit comprising a security system for detecting at least one key carried by at least one user according to one of the embodiments described here and the key.

[0058] The designs and / or features and / or advantages described above for the security system apply analogously to the kit.

[0059] Preferably, the kit comprises at least one closure element, preferably at least one door, which is configured to selectively close a passage of the exit. The key can be configured to open and / or lock the closure element.

[0060] The following list of aspects represents alternative and / or additional features of the invention: 1. A security system for detecting at least one object carried by at least one user, preferably for detecting at least one key carried by at least one user, comprising: at least one identification element which is designed to be brought into operative connection with the object, preferably a key; and at least one detection device configured to detect the identification element at the exit when the object with the identification element operatively connected thereto is arranged near the exit and / or when the object with the identification element operatively connected thereto passes the exit, wherein the detection device is preferably configured to be attached to an exit of a room; wherein the security system is configured to emit at least one signal perceivable by the user indicating that the object has been detected at the exit. 2. The security system according to aspect 1, wherein the exit has at least one passage which can be selectively closed by at least one closure element, preferably at least one door, wherein the key is configured to open and / or lock the closure element 3. The security system according to aspect 1 or 2, wherein the detection device is configured to detect at least two keys substantially simultaneously or at a time interval of a maximum of 3 seconds, preferably a maximum of 2.5 seconds, preferably a maximum of 2 seconds, preferably a maximum of 1.5 seconds, preferably a maximum of 1 second, and wherein the signal indicates that the two keys have been detected. 4. The security system according to any one of the preceding aspects, wherein the security system is arranged to selectively allow opening of the locking element by the user from outside the room without use of the key. 5. The security system according to aspect 4, wherein the security system is configured to selectively allow the user to open the locking element from outside the room without using the key if the user leaves the room without the key being detected. 6. The security system according to aspect 4 or 5, wherein the security system is configured to allow the user to open the locking element from outside the room, without using the key, for a limited period of time, preferably for a maximum of 30 seconds, preferably for a maximum of 25 seconds, preferably for a maximum of 20 seconds, preferably for a maximum of 15 seconds, preferably for a maximum of 10 seconds, preferably for a maximum of 5 seconds, preferably for a maximum of 4 seconds, preferably for a maximum of 3 seconds, preferably for a maximum of 2 seconds. 7. The security system according to any one of the preceding aspects, wherein the security system is configured to emit at least one warning signal when the locking element is opened, in particular from outside the room, without the detection device detecting the key. 8. The security system according to any one of the preceding aspects, wherein the security system is configured to ensure that the locking element can only be opened, in particular from outside the room, when the key is detected by the detection device. 9. The security system according to any one of the preceding aspects, wherein the security system is configured to emit at least one warning signal perceivable by the user if the key is not detected at the exit and / or has been detected although the user is at the exit and / or the locking element has been opened. 10. The security system according to one of the preceding aspects, wherein the security system is configured to generate at least one warning signal which can be sent to at least one electronic device, preferably to at least one electronic device arranged outside the room and / or to at least one electronic device arranged inside the room and / or to at least one electronic device carried by the user and / or to at least one electronic device carried by a second user, if the key was not detected at the exit, although the user has left the room and preferably also closed the locking element, and / or if the locking element is opened, in particular from outside the room, without the detection device detecting the key. 11. The security system according to any one of the preceding aspects, wherein the identification element: is designed to be attached to the key or to a key ring to which the key is attached; or is integrated into the key. 12. The security system according to any one of the preceding aspects, additionally comprising at least one sensor configured to: to detect an opening and / or closing of the closure element and to communicate data relating thereto to the detection device and / or to a control device; and / or to detect at least one person at the exit and to communicate data on this to the detection device and / or to a control device. 13. The security system according to aspect 12, wherein the security system is configured to emit at least one signal perceivable by the user and / or to control at least one device, preferably a component of the security system, based at least partially on the data. 14. A security system comprising: at least one identification element which is designed to be brought into operative connection with a key; and at least one detection device configured to detect the identification element at the exit when the key with the identification element operatively connected thereto is arranged near the exit and / or when the key with the identification element operatively connected thereto passes the exit, wherein the detection device is preferably configured to be attached to an exit of a room; wherein the exit has at least one passage which can be selectively closed by at least one closure element, preferably at least one door, wherein the key is arranged to open and / or lock the closure element; and wherein the security system is configured to emit at least one warning signal when the closure element is opened from outside the room without the detection device detecting the identification element. 15. The security system according to aspect 14, wherein the security system is configured to ensure that the locking element can only be opened, in particular from outside the room, when the key is detected by the detection device. 16. A kit comprising a security system for detecting at least one key carried by at least one user according to any one of the preceding aspects and the key. 17. The kit according to aspect 16, additionally comprising at least one closure element, preferably at least one door, which is configured to selectively close a passage of the exit, wherein the key is configured to open and / or unlock and / or lock the closure element.

[0061] Further advantages, features, and details of the invention will become apparent from the following description of a preferred embodiment and from the drawings. The features and combinations of features mentioned above in the description, as well as the features and combinations of features mentioned below in the description of the figures and / or shown alone in the figures, can be used not only in the respective specified combinations, but also in other combinations or on their own, without departing from the scope of the invention. Fig. 1 shows, in a perspective and schematic view, a security system according to an embodiment of the present invention; Fig. 2 shows, in a perspective and schematic view, a security system according to another embodiment of the present invention.

[0062] Fig. Figure 1 shows, in a perspective and schematic view, a security system 10 for detecting at least one user 12 (in Fig. 1 shown as a circle). The security system 10 may have at least one identification element 20 which is designed to be brought into operative connection with the key 12.

[0063] The security system 10 may comprise at least one detection device 24 which is designed to be attached to an exit 28 of a room 30 and to detect the key 14 at the exit 28 when the key 14 with the identification element 20 operatively connected thereto is arranged in the vicinity of the exit 28 and / or when the key 14 with the identification element 20 operatively connected thereto passes the exit 28, for example when the user 12 walks through the exit 28, as indicated by the walking direction 29 in Fig. 1. The room 30 can be delimited by at least one wall 31. The detection device 24 can be mounted on the wall 31.

[0064] The exit 28 may have at least one passage 36 which can be selectively closed by at least one closure element 40, preferably at least one door. Fig. 1, the closure element 40, which in Fig. 1 is designed as a door, shown in the open state. In the open state, as in Fig. 1, the user 12 can leave the room 30 through the exit 28 or the passage 36, as indicated by the running direction 29 in Fig. 1. The key 14 can be configured to open and / or lock the locking element 40 and / or at least one further locking element.

[0065] The security system 10 can be configured to emit at least one signal perceptible by the user 12, which indicates that the key 14 has been detected at the output 28. The signal can comprise at least one optical signal, for example at least one text and / or at least one symbol and / or at least one color. Alternatively, or additionally, the signal can comprise at least one acoustic signal. Alternatively, or additionally, the signal can comprise at least one haptic signal. At least one display and / or at least one loudspeaker can be provided to emit the signal. The display and / or the loudspeaker can, for example, be integrated together with the detection device 24 in a module or unit.

[0066] The detection device 24 can be configured to detect multiple keys, for example, two keys 14, essentially simultaneously or at a time interval of a maximum of 3 seconds, preferably a maximum of 2.5 seconds, preferably a maximum of 2 seconds, preferably a maximum of 1.5 seconds, preferably a maximum of 1 second. The signal emitted by the security system 10 can indicate that the two keys 14 have been detected. For this purpose, a respective identification element 20 can be operatively connected to each key 14.

[0067] The security system 10 may include at least one control device 37 to control at least one component of the security system 10, for example the detection device 24.

[0068] The locking element 40 can have at least one locking element 39, which is, for example, part of a lock, which interacts with at least one counter element 41, for example a counter element 41 in or on a frame of the exit 28, for example a door latch.

[0069] It could happen that the user 12 did not perceive the signal from the security system 10, or did not perceive it in time, before closing the locking element 40 and inadvertently locked the locking element 10, for example, the door, thereby inadvertently leaving the key 12 in the room 30 (not shown in the figures). Therefore, it may be advantageous to configure the security system 10 to selectively permit the user 12 to open the locking element 40 from outside the room 30 without using the key 14 if the user 12 leaves the room 30 without the key 14 being detected by the detection device 24.This can be permitted, for example, for a limited period of time, preferably for a maximum of 30 seconds, preferably for a maximum of 25 seconds, preferably for a maximum of 20 seconds, preferably for a maximum of 15 seconds, preferably for a maximum of 10 seconds, preferably for a maximum of 5 seconds, preferably for a maximum of 4 seconds, preferably for a maximum of 3 seconds, preferably for a maximum of 2 seconds, in order to ensure that the closure element cannot be opened at will after a certain period of time, for example by unauthorized persons.

[0070] The security system 10 can have at least one sensor 50 configured to detect an opening and / or closing of the closure element 40 and to communicate related data to the detection device 24 and / or to the control device 37. Alternatively, or additionally, the sensor 50 can be configured to detect at least one person at the exit 28 and to communicate related data to the detection device 24 and / or to the control device 37.

[0071] The security system 10 can be configured to generate at least one warning signal that can be sent to at least one electronic device 56, preferably to at least one electronic device located outside the room 30 and / or to at least one electronic device worn by the user 12 and / or to at least one electronic device worn by a second user 12, if the key 14 was not detected at the exit 28, even though the user 12 has left the room 30 and preferably also closed the locking element 40, and / or if the locking element 40 is opened, in particular from outside the room 30, without the detection device 24 detecting the key 14. The electronic device 56 is illustrated by way of example as an electronic device 56 worn by the user 12.

[0072] The security system 10 can be configured to emit at least one warning signal when the locking element 40 is opened, in particular from outside the room 30, without the detection device 24 detecting the key 14. This is shown schematically and by way of example in Fig. 2 shown.

[0073] As a result, the security system 10 described herein can serve both as an information tool to assist the user 12 in preventing their own key 14 from being accidentally left behind in the room 30, and as a warning tool to detect and warn when at least one unauthorized person gains access to the room 30. As a result, the security system 10 described herein can cover several security-relevant aspects with a single system. Fig. 2, an unauthorized person 60 is schematically represented as a circle. The unauthorized person 60 has removed the locking element 40 from outside the room 30 without the key 12. Fig. 1 opened, for example by force, in order to gain unauthorized access to the room 30. The security system 10 can be set up to Fig. 2, at least one warning signal is emitted. The opening of the closure element 40 can be detected, for example, by the sensor 50.

[0074] The security system 10 can be configured to ensure that the locking element 40 can only be opened, in particular from outside the room 30, after the key 14 has been detected by the detection device 24. This can provide additional protection against unauthorized persons. For example, opening of the locking element 40 can be prevented even if, for example, a lock, in particular a lock that can be opened with a mechanical key, has already been opened, for example by unauthorized persons. For this purpose, at least one additional locking element (not shown) can be provided, which is arranged, for example, in and / or on the locking element 40, which is only unlocked when the identification element 20 has been detected by the detection device 24. The locking element can therefore be decoupled from the locking element 39.

[0075] The examples of the Fig. 1 and Fig. 2 can be combined or used separately.

Claims

[1] A security system (10) for detecting at least one key (14) carried by at least one user (12), comprising: at least one identification element (20) which is designed to be brought into operative connection with the key (14); and at least one detection device (24) which is designed to be attached to an exit (28) of a room (30) and to detect the identification element (20) at the exit (28) when the key (14) with the identification element (20) operatively connected thereto is arranged in the vicinity of the exit (28) and / or when the key (14) with the identification element (20) operatively connected thereto passes the exit (28); wherein the exit (28) has at least one passage (36) which can be selectively closed by at least one closure element (40), preferably at least one door, wherein the key (14) is arranged to open and / or lock the closure element (40); and wherein the security system (10) is configured to emit at least one signal perceivable by the user (12) indicating that the key (14) has been detected at the output (28). [2] The security system (10) according to claim 1, wherein the detection device (24) is configured to detect at least two identification elements (20), each operatively connected to a key (14), substantially simultaneously or at a time interval of a maximum of 3 seconds, preferably a maximum of 2.5 seconds, preferably a maximum of 2 seconds, preferably a maximum of 1.5 seconds, preferably a maximum of 1 second, and wherein the signal indicates that the respective keys (14) have been detected. [3] The security system (10) according to claim 1 or 2, wherein the security system (10) is arranged to selectively allow opening of the closure element (40) by the user (12) from outside the room (30) without using the key (14), preferably when the user (12) leaves the room (30) without the key (14) being detected. [4] The security system (10) according to claim 3 or 4, wherein the security system (10) is arranged to cause the user (12) to open the closure element (40) from outside the room (30), without using the key (14), for a limited period of time, preferably for a maximum of 30 seconds, preferably for a maximum of 25 seconds, preferably for a maximum of 20 seconds, preferably for a maximum of 15 seconds, preferably for a maximum of 10 seconds, preferably for a maximum of 5 seconds, preferably for a maximum of 4 seconds, preferably for a maximum of 3 seconds, preferably for a maximum of 2 seconds. [5] The security system (10) according to any one of the preceding claims, wherein the security system (10) is configured to emit at least one warning signal when the closure element (40) is opened, preferably from outside the room (30), without the detection device (24) detecting the key (14). [6] The security system (10) according to any one of the preceding claims, wherein the security system (10) is configured to ensure that the locking element (40) can only be opened, in particular from outside the room (30), after the key (14) has been detected by the detection device (24). [7] The security system (10) according to one of the preceding claims, wherein the security system (10) is configured to emit at least one warning signal perceptible by the user (12) if the key (14) is not detected at the exit and / or has been detected although the user (12) is located at the exit (28) and / or the locking element (40) has been opened, in particular from within the room (30). [8] The security system (10) according to one of the preceding claims, wherein the security system (10) is configured to generate at least one warning signal which can be sent to at least one electronic device (56), preferably to at least one electronic device arranged outside the room (30) and / or to at least one electronic device arranged inside the room (30) and / or to at least one electronic device carried by the user (12) and / or to at least one electronic device carried by a second user (12), if the key (14) was not detected at the exit (28) although the user (12) has left the room (30) and preferably has also closed the locking element (40), and / or if the locking element (40) is opened, in particular from outside the room (30), without the detection device (24) detecting the key (14). [9] The security system (10) according to any one of the preceding claims, additionally comprising at least one sensor (50) which is configured to: to detect an opening and / or closing of the closure element (40) and to communicate data relating thereto to the detection device (24) and / or to a control device (37); and / or to detect at least one person at the exit (28) and to communicate data relating thereto to the detection device (24) and / or to a control device (37). [10] A kit comprising a security system (10) for detecting at least one key (14) carried by at least one user (12) according to one of the preceding claims and the key (14).

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