EP2002412B1 - Systèmes et procédés pour la localisation d'objets - Google Patents

Systèmes et procédés pour la localisation d'objets Download PDF

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Publication number
EP2002412B1
EP2002412B1 EP07712481A EP07712481A EP2002412B1 EP 2002412 B1 EP2002412 B1 EP 2002412B1 EP 07712481 A EP07712481 A EP 07712481A EP 07712481 A EP07712481 A EP 07712481A EP 2002412 B1 EP2002412 B1 EP 2002412B1
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EP
European Patent Office
Prior art keywords
user
reader
tag
parameter
master
Prior art date
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EP07712481A
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German (de)
English (en)
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EP2002412A1 (fr
Inventor
Gianluca Biotto
Paolo Di Monte
Fabio Mattiussi
Massimo Biotto
Rossana Mansutti
Alberto Bivi
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Eurotech SpA
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Eurotech SpA
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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
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0227—System arrangements with a plurality of child units
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0275—Electronic Article Surveillance [EAS] tag technology used for parent or child unit, e.g. same transmission technology, magnetic tag, RF tag, RFID
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms

Definitions

  • the present invention relates in general to systems and methods for locating objects based on radio frequency identification (RFID).
  • RFID radio frequency identification
  • the present invention relates to a method wherein a plurality of parameters define the location of an object based on RFID, wherein the parameters vary depending on changes in the location of a user.
  • Background Art US 2006/001527 discloses the features of the preamble of the main claims 1 and 12.
  • RFID radio frequency identification is a method for identifying wirelessly the location of devices by incorporating a series of RFID tags in the devices and scanning them by placing an RFID reader close to the RFID tags.
  • RFID tags can also be used to obtain data associated with devices stored within the RFID tags.
  • the RFID tag is small and relatively inexpensive and can be integrated in, or attached to, any device.
  • a common use of RFID tags is to incorporate them in a large number of devices spread over a distance; a person then approaches physically the RFID tags with an RFID reader.
  • the reader When the RFID reader has passed within a short distance of an RFID tag, the reader is able to obtain the information contained within the RFID tag, such as its position, status, or data collected by the device.
  • a worker with an RFID reader can scan devices with RFID tags and store their location in a database in order to record the location of the devices.
  • RFID technology can monitor the position of these objects and warn a worker if they are too far from each other.
  • monitoring of the device occurs in a fixed environment.
  • RFID systems can generally report whether two devices exceed a minimum mutual distance but are unsuitable to change automatically these position conditions on the basis of a change in the neighborhood.
  • an RFID system might require a prison guard, equipped with an RFID reader attached to his/her uniform, to be always located within 50 centimeters of his/her gun, which comprises an RFID tag.
  • the RFID reader indicates this and might notify the prison guard or another person.
  • the aim of the present invention is to solve the described problems, eliminating the drawbacks of the cited background art, by providing systems and methods for monitoring objects which can be adapted and respond to a change in the position of users in real time without requiring the deactivation or replacement of an RFID reader.
  • an object of the present invention is to provide systems and methods for locating at least one object.
  • these systems and methods provide real-time switching among a plurality of parameters, based on a change in a user position.
  • the parameters are capable of providing different conditions related to the position of a plurality of objects with RFID tags with respect to each other, wherein these parameters change on the basis of the position of a user with an RFID reader.
  • the objects might include wallets, keys, purses, identity documents such as a driving license or passport, a camera or a portable music player.
  • the object tags and the user tags can comprise radio frequency identification tags (RFID) and the user reader and the master reader can include RFID scanners.
  • RFID radio frequency identification tags
  • the user readers and the user tags can be incorporated in a portable telephone and the user can be notified of a violation of an activated parameter by means of a communication toward a portable telephone.
  • the invention can be incorporated within systems and methods for tracking objects.
  • Embodiments of the invention allow to locate increases or decreases in the distance between at least two objects with tags, or at least one object with tag and a user, and notify to the user a violation of an active parameter.
  • the object with tags can include RFID tags.
  • Figure 1 is a flow chart which illustrates a method 100 for tracking at least one object according to an embodiment of the invention.
  • the first step in the method 100 is the association of at least one object with at least one object tag (step 105).
  • this association can include any link or connection between the object and the object tag.
  • the object tag might be fixed to the object or integrated therein.
  • the object tag might be physically attached on the inside or on the outside of the object or be fixed in a separate position but in the vicinity of the object.
  • the object tag can be attached reversibly to the object, so that it can be repeatedly attached to the object and removed from it.
  • the method 100 generally proceeds by defining at least one parameter (step 110).
  • a parameter generally includes a set of rules.
  • the parameters can be based on the position of a user and on the distance between the user and at least one object.
  • each parameter can be defined in order to set a maximum allowable distance between a user and at least one object.
  • a parameter can be defined so that the object X must remain within 1 meter of the user, after the user has left a building, such as the user's home.
  • each parameter comprising at least one of a set of measurable factors which define a system or a method.
  • the method 100 After associating objects with object tags (step 105) and after defining at least one parameter (step 110), the method 100 then typically associates each defined parameter with at least one master reader (step 115).
  • a master reader can be an RFID scanner or an RFID reader, which are typically stationary.
  • a single parameter can be associated with a plurality of master readers, and as an alternative several parameters can be associated with a single master reader.
  • Associating the parameters with the master readers can comprise storing the contents of the parameters in the memory associated with the master readers.
  • the set of rules defined by the parameters can be stored remotely in such a way that it can be accessed by the master readers.
  • the master readers are associated with the parameters so that the master readers can access and activate any associated parameter when necessary.
  • next step is to detect a change in the position of the user (step 120).
  • it is the master reader that initially detects a change in user position (step 120).
  • a master reader can detect a user with a user tag who is passing close to a fixed master reader located between one location, for example in a building, and another location, for example outside the building.
  • the master reader can be located proximate to the exit of the building, so that it scans anything that passes through the exit for the existence of the user tag.
  • the master reader can then activate at least one of the parameters associated with that master reader (step 125).
  • the activation step can activate one or more parameters.
  • the parameters that are activated are the ones associated with the master reader that detected the change in the position of the user.
  • the activation of one or more parameters can be due only to the change detected in the position of the user (step 120).
  • the change in the position of the user can be only one factor in activating one or more parameters (step 125).
  • Examples of additional factors can comprise the day, time of day, or day of the week when the change in the position of the user is detected.
  • the method 100 can track the distance between at least one of the objects and the user (step 130).
  • this tracking is obtained by scanning, with a user reader associated with the user, at least one object tag in order to track the distance between the user and the object associated with the object tag.
  • the user carries the user reader on or close to his/her body.
  • the user reader can be a mobile telephone that the user is carrying, and the object can be the wallet of the user which incorporates an object tag.
  • the active parameter can be defined in order to declare that the object X must remain within 1 meter of the user.
  • the user reader tracks the object X. If the object X is then determined to be further than 1 meter from the user, the method 100 detects this violation (step 135).
  • this violation can be detected (step 135) because the user reader has a maximum scanning interval of 1 meter, and if the object X fails to respond to the scan requests, it is assumed to be more than 1 meter away from the user and therefore in violation of the active parameter.
  • the user reader can have a range of 3 meters and can receive a response from the object tag associated with the object X which indicates that the object X is 2 meters away from the user.
  • the method 100 After detecting a violation (step 130), the method 100 generally proceeds to notify this violation to the user (step 140).
  • any method which makes the user aware of a violation of an active parameter is a sufficient notification.
  • the user reader might be able to activate a mobile phone of the user and display a message which indicates that the object X is out of range.
  • the user reader might vibrate or display a similar message, or the user might be warned by e-mail, pager or personal digital assistant.
  • Figure 2 is a block diagram which illustrates a system 200 for tracking at least one object according to an embodiment of the invention.
  • the system 200 comprises generally at least one object 205 associated with at least one object tag 210.
  • one object tag 210 is associated with one object 205, although in some cases there might be a plurality of objects 205 associated with a single object tag 210. Vice versa, there might be one object 205 associated with a plurality of object tags 210.
  • the object 205 can be defined in general as including any physical entity.
  • the object 205 can include a wallet, car keys, a purse, any identity document such as a driving license, passport or national identity identity card, a camera, a portable music player, such as an MP3 reader, or a portable videogame player.
  • the object 205 can comprise a car or other vehicle.
  • the object 205 can comprise a human being or an animal, such as a pet or livestock.
  • the object 205 can also be more industrial in nature, such as transport containers, product components, or spare parts.
  • the object 205 can be fixed, semi-stationary, or portable.
  • An example of a fixed object 205 might be an oil well or a security checkpoint.
  • a semi-stationary object 205 might be a large freight container, which can be moved only with the aid of industrial equipment, such as a forklift truck or a crane.
  • a portable object 205 might be a wallet or anything that can be carried on or close to the body of the user.
  • An object can include any physical entity capable of being associated with an object tag.
  • the object tag 210 generally comprises a radio frequency identification tag (RFID).
  • RFID radio frequency identification tag
  • An RFID tag contains generally a logic circuit in the form of a silicon chip and an antenna which enables the RFID tag to receive and respond to radio frequency requests from an RFID scanner, which can also be termed RFID transceiver or RFID reader.
  • the object tags 210 can comprise RFID tags which are passive, active, or semi-passive.
  • a passive RFID tag does not require an internal power supply and therefore is small, lightweight and cheap and has an unlimited life.
  • the electric current generated by an RFID scanner is sufficient to power the silicon chip in the object tag 210 so that it can transmit a reply.
  • This reply is generally transmitted by returning wirelessly the signal from the RFID scanner.
  • the object tag 210 comprises an RFID tag
  • this return radiation is detected by the RFID scanner and the logic system associated with the RFID scanner can determine the distance between the RFID scanner and the RFID tag.
  • the object tag 210 can comprise any other tag, passive identifier, or indicator which is capable of notifying its position.
  • the object tag 210 generally comprises a transponder with a digital memory chip to which a unique electronic product code is assigned.
  • the object tags 210 can operate at a variety of radio frequencies. In some embodiments, the object tags 210 can operate at low frequency (for example 125 or 134.2 kHz), high frequency (for example 13.56 MHz), ultrahigh frequency (for example 436 MHz or from 868 to 956 MHz), or microwave frequency (for example 2.45 GHz or 5.8 GHz).
  • low frequency for example 125 or 134.2 kHz
  • high frequency for example 13.56 MHz
  • ultrahigh frequency for example 436 MHz or from 868 to 956 MHz
  • microwave frequency for example 2.45 GHz or 5.8 GHz.
  • the object 205 and the object tag 210 can be associated with each other in various manners.
  • the object tag 210 can be integral with, or incorporated within, the object 205.
  • the object tag 210 can be positioned on, inside, or close to the object 205 and the object tag 210 can be attached physically to the object 205.
  • the object tag 210 can be separate from, but in the vicinity of, the object 205, and the object tag 210 can be attached reversibly to the object 205, so that the object tag 210 can be repeatedly removed from and reattached to the object 205.
  • the system 200 typically also comprises parameters 215.
  • a parameter is generally defined as a set of measurable variables which define a system or method. In various embodiments, there can be one or more parameters 215.
  • the parameter 215 is generally a set of rules for a particular situation.
  • the parameters 215 can be set by a user or can be redefined.
  • the parameters 215 are stored generally in an electronic memory. Typically, one or more parameters 215 can be defined as an active parameter (not shown).
  • the active parameter is the parameter that generally requires real-time verification that the objects 205 are in accordance with the rules of the active parameter.
  • a maximum of one parameter is active at every given instant; in any case, it is possible for a plurality of parameters 215 to be active simultaneously.
  • the parameters 215 generally define the maximum allowable distance between two objects 205 or between at least one object 205 and a user 220.
  • the parameter 215 can be defined by a set of rules or conditions according to which the object X must be within 1 meter of the user 220 and the object Y must be within 1.5 meters of the user 220.
  • the parameters 215 can also vary according to the position of the user 220.
  • the parameter 215 can be defined by a set of rules which define that the objects X and Z must lie within 2 meters of the user 220 when the user 220 is within a particular building.
  • the parameters 215 can vary in complexity.
  • the parameter 215 can be defined so that the object X must remain within 0.5 meters of the user 220, unless that person is in his/her own home, and in this case the object X has no rule for maximum allowable distance between the object X and the user 220 but instead the object Y must stay within 7 meters of the user 220.
  • the user 220 can be human, but in various embodiments the user 220 can also be an animal, a robot, or a piece of equipment, such as a tractor, a car or another vehicle.
  • the user 220 is the focus around which the distance limitations of the objects 205 are set in the parameters 215.
  • the user 220 When the user 220 is in different physical locations, it might be desirable for the user 220 to ensure that various objects 205 are within a certain distance of the user 220. For example, when the user 220 is in a car (one position), then a parameter might require the driving license of the user to be within 1 meter of the user 220.
  • the systems and methods of the present invention allow real-time changes of the active parameters so that the appropriate objects 205 are tracked according to the position of the user 220.
  • a characteristic of the invention shown in the system 200 is that the user 220 comprises in general both a user tag 225 and a user reader 230.
  • the user tag 225 comprises an RFID tag and the reader 230 comprises an RFID scanner, also known as RFID reader or RFID transceiver.
  • the user tag 225 and the user reader 230 can be integrated within the same physical device. In other examples they might be separate devices.
  • the user reader 230 and the user tag 225 are comprised on or around the body of the user 220.
  • the user tag 220 can be associated with the user 220.
  • the user tag 225 can be incorporated within an item of clothing worn by the user 220, such as a jacket or a particular uniform that the user 220 must wear.
  • the user tag 225 might be incorporated beneath the skin of the user 220.
  • the user tag 225 can be arranged in a pocket of the item of clothing worn by the user 220 or in the wallet or purse carried by the user 220.
  • the user tag 225 can be attached or built into a portable telephone of the user 220.
  • the user tag 225 acts in the same manner as the object tags 210 and in certain embodiments the user tag 225 can be considered as one of the object tags 210 that have been designated to correspond to the user 220.
  • the user tag 220 and the object tags 210 can be identical in every respect, except that the user tag 225 is associated with the user 220 and the object tags 210 are associated with the objects 205.
  • the user tags 225, as well as the object tags 210, are generally capable of transmitting data which supply identification or position information, or other specific information on the object with tag 205 or on the user 220.
  • the user reader 230 is associated generally with the user 200 in a similar manner.
  • the user reader 230 can be a portable device, which the user 220 activates with a positive action, such as for example by pressing a button on the user reader 230.
  • the user reader 230 can be a device which is always active and no positive action is required for the user reader 230 to transmit a signal and determine whether the object tag 210 or the user tag 225 has responded to the signal or not.
  • the object tags 210 When the object tags 210 pass within the range of the user reader 230, the object tags 210 detect the signal and transmit the data stored in their integrated circuit or silicon chip.
  • the system 200 also comprises at least one location 235.
  • the location 235 can comprise any physical or geographical location through which the user 220 can pass.
  • the location 235 can comprise a house.
  • the location 235 can include any other structure, such as a particular building.
  • the location 235 can be a car or any other motor vehicle, and the location 235 can include an enclosed or defined space.
  • the location 235 can also be defined with respect to another location 235.
  • the location 235 can be defined as "outside the house of the user 220".
  • a first location 235 can be the home of the user 220 and a second location 235 can comprise any place in the world except for the home 235 of the user.
  • locations 235 can be mutually adjacent and in some cases can overlap. In some embodiments, several locations can be physically separate from each other with no adjacent or overlapping portion.
  • the system 200 also typically comprises at least one master reader 240.
  • the master reader 240 is generally similar to the user reader 230.
  • the master reader 240 can comprise an RFID scanner, which can operate identically to the user reader 230.
  • a general difference between the master reader 240 and the user reader 230 is that the master reader 240 is arranged typically in a fixed location which lies close to the exit of a location through which it is likely that the user 220 will pass in order to move from one location 235 to another location 235.
  • the master reader 230 is designed generally to scan for the presence of a user tag 225 (not an object tag 210) within the electromagnetic range covered by each master reader 240, which is generally in the range of tens of meters.
  • the user reader 230 moves together with the user 220 and the user reader 230 is generally programmed to scan the object tags 210.
  • the master reader 240 generally assists in defining the entrance and exit points of the locations 235. Typically, one or more master readers 240 are associated with a single location 235.
  • a single master reader 240 can be located in a common region or a region which connects several locations 235 and can thus be associated with several locations 235.
  • a plurality of master readers 240 can be located close to all the exits of the home, so that the electromagnetic range covered by the master readers 240 covers completely all the passages and other exits of the home.
  • the master reader 240 detects the movement of the user 220 out of his home in a different location 235.
  • each master reader 240 is generally capable of tracking the direction of a movement of the user tag 225 and therefore determine whether the user 220 is entering or leaving the location 235.
  • the master readers 240 can be arranged at the entrances of any vehicle, building, park or other structure with definite entrance and exit points.
  • the master readers 240 are associated generally with parameters 215.
  • the parameter 215 comprises a set of rules which generally relates to the position of the objects 205 relative to the user 220 and depending on the location 235 in which the user 220 is currently located.
  • the master reader 240 activates, or assists in the activation, of its associated parameters 215.
  • the master reader 240 can comprise a processor capable of activating the associated parameter 215 and of informing the user reader 230 that a particular parameter 215 is active.
  • the master reader 240 transmits information related to the position 235 of the user 220 over a network 245 toward a computer 250.
  • the network 245 can be any network, such as a local area network, a wide area network, the Internet, a telephone network such as a mobile global communications system (GSM) network.
  • GSM global communications system
  • the computer 250 receives the information transmitted by the master reader 240, processes it with a processor, and transmits the data over the network 245 toward the user reader 230.
  • the transmitted data specify which of the plurality of parameters 215 is active.
  • the computer 250 can transmit the information that identifies which parameter is active, or the computer 250 can transmit the rules associated with said active parameter.
  • the user reader 230 comprises a memory which stores all the parameters 215.
  • the computer 250 since the user reader 230 already has all the parameter information 215, the computer 250 only needs to report to the user scanner 230 which parameter 215 must be activated.
  • the computer 250 In an exemplary alternative embodiment in which the user reader 230 has not stored the parameter information 215, the computer 250 must generally transmit the contents of the parameter 215 and a directive which instructs the user reader 230 to activate this parameter.
  • the user reader 230 can decode the data coded in the integrated circuit (silicon chip) of the object tags 210 or of the user tag 225, and these data can be passed to the computer 250.
  • the integrated circuit silicon chip
  • the computer 250 can thus process the data to determine whether the activated parameter 215 has been met or whether the position of the user 220 has changed.
  • the computer 250 can activate the appropriate parameter 215.
  • the computer 250 may notify the user 220 of the violation.
  • the computer 250 can use the physical markup language (PML) to process the received data, although any computer programming language can be used.
  • PML physical markup language
  • the user reader 230 which is typically on or close to the body of the user 220, periodically scans within its range for the existence of objects 205 which are required to be within a certain proximity with respect to the user 220 in accordance with the active parameter.
  • the user reader 230 rebroadcasts continuously and periodically its signal, which searches for the existence of the object tags 210 in order to determine whether the objects remain within the appropriate distance from the user 220.
  • the distance from the user 220 toward the object 205 can be defined as the distance from the user reader 230 to the object tags 210, because the user reader 230 is generally located proximate to the user 220 and the object tags 210 are generally located close to the objects 205.
  • a violation is detected generally by the user reader 230 when an object 205 is out of the range defined by the active parameter.
  • the object tag 210 can respond but can exceed the maximum allowable distance between the user 220 and the object 205 defined in the active parameter or parameters.
  • the user reader 230 can be programmed to request numerous consecutive scans which indicate that a chosen object 205 exceeds the maximum allowable distance defined in the active parameter.
  • the user reader 230 After the user reader 230 has identified a violation of an active parameter, the user reader 230 generally notifies the violation to the user 220.
  • the user reader 230 can notify directly the violation to the user 220.
  • the user reader 230 can emit a sound, vibrate, light up, or display a message indicating that one or more objects 205 are out of the range defined in the active parameter.
  • the user reader can display a message which says something generally with the meaning of "your wallet is more than one meter away from you” in a situation in which the active parameter required the wallet of the user, i.e. one of the objects 205, to be one meter or less away from the user 220, since the user 220 is in a position 235 that is defined as "out of the user's home”.
  • the user reader 230 can direct a communication to another device in order to warn the user of the violation.
  • the user reader 230 might transmit a signal over the network 245 to a mobile telephone, a land-line telephone, e-mail, pager, personal digital assistant, or other device which can be accessed by the user 220.
  • the user reader 230 can transmit the results of its periodic scans over the network 245 to the computer 250.
  • the computer 250 can therefore process these received data and it is the computer 250 which determines whether a violation of the active parameter has occurred.
  • the computer 250 determines that a violation has occurred, the computer 250 therefore notifies to the user 220 the violation, generally by transmitting a signal over the network 245.
  • this transmitted signal can be received by the user reader 230 or by other devices listed above, such as a mobile telephone which the user can access to be warned of the violation.
  • the object tag 210 if the object tag 210 does not respond, it can be considered to be in violation of the active parameter.
  • the object tag 210 can be required not to respond to a plurality of requests before assuming that it is violating the active parameter.
  • a violation has occurred, it is generally notified to the user 220.
  • a missing object tag 210 responds and is within the maximum allowable range from the user 220, said maximum allowable range being set by the active parameter, the user 220 is notified that the associated object 205 is now compliant with the active parameter.
  • the user reader 230 can track the direction of the movement of the object 205. In some embodiments, if the user reader 230 determines that the object 205 is approaching the maximum allowable distance from the user 220, the user reader 230 can increase the frequency with which it searches for the existence of the object 205.
  • the scanning cycle can be slowed down to allow a smaller number of scans per second, per minute, or per hour, for example.
  • the master reader 240 detects the user tag 225 in an area which is close to the exit or entrance of one of the locations 235, the master reader can increase or decrease the frequency of its periodic cycles.
  • the systems and methods according to the present invention can also incorporate encryption technologies in order to ensure that the object tags 210 communicate only their identification information to an authorized user reader 230.
  • this can be achieved with encryption systems and methods with a public key and a private key.
  • this allows secure communication between the object tags 210 and the user reader 230, and between the master readers 240 and the user tag 225, in which the public key is known publicly, but the private key is known only to the recipient of a transmission, such as the object tags 210 or the user reader 230.
  • PIN personal identification number
  • Figure 3 is a flowchart of a method 300 for determining whether an active parameter is violated according to an embodiment of the invention.
  • the user reader after activating the appropriate parameters (step 125), transmits a request (step 305).
  • This transmission or scan can be in the form of an RFID electromagnetic scan.
  • the transmitted signal can be considered as an activation signal, which generally activates all the object tags in the range, and the object tags thus respond to the request (step 310).
  • the active parameter requires the tracking of a wallet and of the car keys, it is generally necessary to identify the object tags that correspond to these objects.
  • the object tags are RFID tags which include the ability to store a unique code and transmit this code to a user reader, such as an RFID scanner like the master reader or the user reader.
  • This unique code can identify the object associated with the object tag or the user associated with the user tag.
  • the method 300 detects a violation of an active parameter (step 135) and notifies to the user the violation (step 140) in the manner described above.
  • the user reader transmits another request (step 305) and the process is repeated.
  • time delay before retransmission can vary from milliseconds to several hours between transmission cycles (i.e., scanning cycles).
  • the systems and methods according to the embodiments of the invention are capable of adapting in real time to changes in the position of the user to activate different parameters which correspond to a different set of rules which relate to the distance of objects related to the user when the user moves toward a new position.

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Claims (22)

  1. Procédé de localisation d'au moins un objet, comprenant les étapes consistant à :
    - associer (105) au moins un objet (205) à au moins une étiquette d'objet (210) ;
    - définir (110) au moins un paramètre (215), le paramètre (215) comprenant un ensemble de règles, basé sur la position de l'utilisateur (220) et la distance entre l'utilisateur (220) et au moins un objet (205), dans lequel chaque paramètre (215) fixe une distance maximale admissible entre l'utilisateur (220) et ledit au moins objet (205), dans lequel ladite distance maximale peut varier en fonction de la position effective de l'utilisateur (220), dans lequel l'utilisateur (220) est associé à un lecteur d'utilisateur (230) et à une étiquette d'utilisateur (225) ; caractérisé en ce qu'il peut :
    - associer (115) ledit au moins un paramètre (215) à l'un au moins d'une pluralité de lecteurs-maîtres (240), le lecteur-maître (240) étant un scanner ou un lecteur placé en position fixe dans un lieu spécifique (235) ;
    - scanner (120), au moyen de l'un au moins des lecteurs-maîtres (240), n'importe quelle étiquette d'utilisateur (225) qui passe dans le champ électromagnétique du lecteur-maître (240) pour détecter un changement de position de l'utilisateur (220) ;
    - activer (125) au moins partiellement l'un au moins des paramètres, sur la base du changement détecté dans la position de l'utilisateur par rapport à la position fixe du lecteur-maître (240) dans le lieu spécifique (235) ;
    - lire (130), au moyen du lecteur d'utilisateur (230), au moins une étiquette d'objet (210) afin d'établir la distance d'au moins un objet (205) depuis l'utilisateur (220) pour déterminer si ledit au moins un paramètre activé (215) est satisfait ; et
    - après avoir détecté une transgression (130) dudit au moins un paramètre activé (215), signaler (140) à l'utilisateur (220) la transgression dudit au moins un paramètre activé (215), la transgression venant au moins partiellement du fait que ledit au moins un objet (205) dépasse la distance maximale admissible qui le sépare de l'utilisateur (220), en fonction de la position de l'utilisateur (220) détectée par le lecteur-maître fixe (240).
  2. Procédé selon la revendication 1, dans lequel ledit au moins un objet est choisi dans le groupe consistant en un téléphone portable, un portefeuille, une clé, un porte-monnaie, une pièce d'identité, un appareil photo et un lecteur de musique portable.
  3. Procédé selon la revendication 1, dans lequel ledit ladite au moins une étiquette d'objet consiste en une étiquette d'identification par radio-fréquence.
  4. Procédé selon la revendication 1, dans lequel l'étiquette d'utilisateur consiste en une étiquette d'identification par radio-fréquence.
  5. Procédé selon la revendication 1, dans lequel ledit au moins un lecteur-maître consiste en un scanner d'identification par radio-fréquence.
  6. Procédé selon la revendication 1, dans lequel le lecteur d'utilisateur consiste en un scanner d'identification par radio-fréquence.
  7. Procédé selon la revendication 1, dans lequel chaque étiquette d'objet est reliée physiquement à un objet.
  8. Procédé selon la revendication 1, dans lequel la détection d'un changement de lieu de l'utilisateur comprend son départ d'un bâtiment.
  9. Procédé selon la revendication 1, dans lequel le lecteur d'utilisateur est contenu à l'intérieur d'un téléphone mobile porté par l'utilisateur.
  10. Procédé selon la revendication 1, dans lequel l'étiquette utilisateur est contenue à l'intérieur d'un téléphone mobile porté par l'utilisateur.
  11. Procédé selon la revendication 1, dans lequel le signalement à l'utilisation de l'infraction d'un paramètre actif consiste à transmettre un message à un téléphone mobile porté par l'utilisateur.
  12. Système de localisation d'au moins un objet, consistant en :
    au moins un objet (205) associé à au moins une étiquette d'objet (210) ;
    au moins un paramètre (215), le paramètre (215) comprenant un ensemble de règles et défini sur la base de la position d'un utilisateur (220) et de la distance entre l'utilisateur (220) et au moins un objet (205), dans lequel chaque paramètre (215) fixe une distance maximale admissible entre l'utilisateur (220) et ledit au moins objet (205), dans lequel ladite distance maximale peut varier en fonction de la position effective de l'utilisateur (220), dans lequel l'utilisateur (220) est associé à un lecteur d'utilisateur (230) et à une étiquette d'utilisateur (225) ; système caractérisé par :
    - une pluralité de lecteurs-maîtres (240), un lecteur-maître (240) étant un scanner ou un lecteur placé en position fixe dans un lieu spécifique (235), chaque lecteur-maître (240) définissant un champ électromagnétique qui est scanné par le lecteur-maître pour y trouver une quelconque étiquette d'utilisateur (225), et chaque lecteur-maître (240) étant associé à au moins un paramètre (215) ;
    - l'examen, par l'un au moins des lecteurs-maîtres (240), de l'étiquette d'utilisateur (225) pour détecter un changement de position de l'utilisateur (220) et activer l'un au moins des paramètres en fonction du changement détecté dans la position de l'utilisateur par rapport à la position fixe du lecteur-maître (240) dans le lieu spécifique (235) ;
    - l'examen, par le lecteur d'utilisateur (230), de ladite au moins une étiquette d'objet (210) afin d'établir la distance dudit au moins un objet (205) depuis l'utilisateur (220) et de déterminer si ledit au moins un paramètre activé (215) est satisfait ; et
    - l'identification par le lecteur d'utilisateur (230) d'une transgression (130) dudit au moins un paramètre activé (215), laquelle vient au moins partiellement du fait que ledit au moins un objet (205) dépasse la distance maximale admissible qui le sépare de l'utilisateur (220), en fonction de la position de l'utilisateur (220) qui a été détectée par le lecteur-maître fixe (240), le lecteur d'utilisateur (230) l'aidant à signaler l'infraction à l'utilisateur (220).
  13. Système selon la revendication 12, dans lequel ledit au moins un objet est choisi dans le groupe consistant en un téléphone portable, un portefeuille, une clé, un porte-monnaie, une pièce d'identité, un appareil photo et un lecteur de musique portable.
  14. Système selon la revendication 12, dans lequel ladite moins une étiquette d'objet consiste en une étiquette d'identification par radio-fréquence.
  15. Système selon la revendication 12, dans lequel l'étiquette d'utilisateur consiste en une étiquette d'identification par radio-fréquence.
  16. Système selon la revendication 12, dans lequel ledit au moins un lecteur-maître consiste en un scanner d'identification par radio-fréquence.
  17. Système selon la revendication 12, dans lequel le lecteur d'utilisateur consiste en un scanner d'identification par radio-fréquence.
  18. Système selon la revendication 12, dans lequel chaque étiquette d'objet est reliée physiquement à un objet.
  19. Système selon la revendication 12, dans lequel le changement de position de l'utilisateur comprend son départ d'un bâtiment.
  20. Système selon la revendication 12, dans lequel l'étiquette d'utilisateur est contenue à l'intérieur d'un téléphone mobile porté par l'utilisateur.
  21. Système selon la revendication 12, dans lequel le lecteur d'utilisateur est contenu à l'intérieur d'un téléphone mobile porté par l'utilisateur.
  22. Système selon la revendication 12, dans lequel le processeur signale à l'utilisateur la transgression en transmettant un message à un téléphone mobile porté par l'utilisateur.
EP07712481A 2006-03-16 2007-03-08 Systèmes et procédés pour la localisation d'objets Active EP2002412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000040A ITTV20060040A1 (it) 2006-03-16 2006-03-16 Sistemi e metodi per la localizzazione di oggetti.
PCT/EP2007/052170 WO2007104693A1 (fr) 2006-03-16 2007-03-08 Systèmes et procédés pour la localisation d'objets

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EP2002412A1 EP2002412A1 (fr) 2008-12-17
EP2002412B1 true EP2002412B1 (fr) 2011-11-09

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US8974295B2 (en) 2008-06-03 2015-03-10 Tweedletech, Llc Intelligent game system including intelligent foldable three-dimensional terrain
US9649551B2 (en) 2008-06-03 2017-05-16 Tweedletech, Llc Furniture and building structures comprising sensors for determining the position of one or more objects
US8602857B2 (en) 2008-06-03 2013-12-10 Tweedletech, Llc Intelligent board game system with visual marker based game object tracking and identification
WO2009149112A1 (fr) 2008-06-03 2009-12-10 Tweedletech, Llc Système de jeu intelligent permettant d’intégrer de l’intelligence dans des jeux de société et de plateau comprenant des miniatures
US10155156B2 (en) 2008-06-03 2018-12-18 Tweedletech, Llc Multi-dimensional game comprising interactive physical and virtual components
WO2012033863A1 (fr) 2010-09-09 2012-03-15 Tweedletech, Llc Jeu de plateau à système de poursuite de caractéristiques dynamique
EP2196968A1 (fr) * 2008-12-05 2010-06-16 Alcatel Lucent Détection d'objets satellites personnels dans le voisinage de l'utilisateur
CN108694509A (zh) * 2018-05-15 2018-10-23 平安科技（深圳）有限公司 车辆驾驶的监控方法、装置、设备及计算机可读存储介质

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US7010369B2 (en) * 1997-11-07 2006-03-07 Hill-Rom Services, Inc. Medical equipment controller
US7034690B2 (en) * 1999-02-09 2006-04-25 Hill-Rom Services, Inc. Infant monitoring system and method
EP1533767B1 (fr) * 2003-11-24 2007-01-10 BLACK & DECKER INC. Système de surveillance et de sécurité sans fil pour des biens
US7098786B2 (en) * 2004-07-02 2006-08-29 Motorola, Inc. Mechanism for providing automatic item coupling with the coupling range determined by context information

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ITTV20060040A1 (it) 2007-09-17

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