Abstract: Microstrip patch antenna (46), feed structure (48), and matching circuit (50) designs for an RFID tag (10). A balanced feed design using balanced feeds coupled by a shorting stub (56) to create a virtual short between the two feeds so as to eliminate the need for physically connecting the substrate to the ground plane. A dual feed structure design using a four-terminal IC can be connected to two antennas (46a,46b) resonating at different frequencies so as to provide directional and polarization diversity. A combined near-field/far-field design using a microstrip antenna providing electromagnetic coupling for far-field operation, and a looping matching circuit providing inductive coupling for near-field operation. A dual-antenna design using first and second microstrip antennas providing directional diversity when affixed to a cylindrical or conical object, and a protective superstrate (66). An annular antenna (46c) design for application to the top of a metal cylinder around a stem.

Abstract: Systems and methods to selectively attach and control antennas via diodes and current sources. In one embodiment, a system includes: an RFID reader having a plurality of reader antennas of different polarizations to transmit radio frequency signals; and at least one RFID tag. The RFID tag includes: a plurality of tag antennas of different polarizations; a plurality of diodes coupled to the plurality of tag antennas respectively; a receiver coupled to the plurality of diodes to receive the radio frequency signals from the tag antennas when the diodes are forward biased; and a set of one or more current controllers coupled to the plurality of diodes. In a receiving mode the controllers selectively forward bias the diodes to receive the signals from the RFID reader. In a transmitting mode the controllers selectively change the state of the tag antennas to transmit data via backscattering the radio frequency signals.

Abstract: The present invention uses a wireless memory/communication device at least on the one or more sample storage devices, preferably on both the one or more sample storage devices and the sampling holder, optionally the port on the equipment as well. Data such as that relating to the vessel, the location of the port on the vessel, the device, its manufacture date or lot number, the date of the installation, sterilization and/or taking of a sample along with the person who installed the device and/or took the sample can be read and preferably added to the wireless device when a read/write type of device as these events occur through a scanner/reader/writer device (fixed or hand held). The sample storage device in the laboratory can also then be read and recorded to track the sample storage device's life.

Abstract: Embodiments of the invention pertain to Radio Frequency Identification (RFID) method and system using an antenna array, an array controller, and control algorithms. Embodiments of the invention can induce strong radio-frequency (RF) excitation, for a given level of radiated RF power, at any point within an arbitrary inhomogeneous medium. For RFID applications, one typical inhomogeneous medium is an ensemble of cases on a pallet. Another typical medium is a warehouse environment having stored goods together with shelving and other material present. An embodiment of the invention is applicable to the process of reading battery-less, or “passive” RFID tags, which rely on incident RF electromagnetic fields established by RFID readers to power the electronic circuitry within the tags.

Abstract: An IC tag searching apparatus capable of changing the shape of its searching board in a simple manner in accordance with the situations of a location to be searched, said location includes wide to narrow areas and areas in the corners, at the time of searching the positions of wireless IC tags those which are embedded in a concrete construction and the like, efficiently detecting the positions of the embedded wireless IC tags and performing reading and writing of information from/to the wireless IC tags is provided. The IC tag searching apparatus 10 according to the present invention comprises a plurality of plate members 2, 3 each having an antenna built-in, said plate members may be joined with each other in a direction of those flat surfaces, respectively, a joining means provided to the plate members having an antenna built-in and information transmission/reception section 11 for performing data transmission/reception between the plate member having an antenna built-in and the R/W main body 9.

Abstract: An RFID device for sensing the properties of a material in proximity to a UHF tag. The RFID device includes a microchip, an antenna operatively coupled to the microchip, and an impedance transforming section operatively coupled to the microchip and to the antenna. Changing an electrical characteristic of at least one component of the RFID device results in a complex reflected signal at a reader device representing a sensed state of a material in proximity to the RFID device.

Abstract: A multi-mode RFID tag includes a power generating and signal detection module, a baseband processing module, a transmit section, a configurable coupling circuit, and an antenna section. In near field mode, the configurable coupling circuit is operable to couple the transmit section to a coil or inductor in the configurable coupling circuit to transmit an outbound transmit signal using electromagnetic or inductive coupling to an RFID reader. In far field mode, the configurable coupling circuit is operable to couple the transmit section to the antenna section, and the multi-mode RFID tag then utilizes a back-scattering RF technology to transmit the outbound transmit signal to RFID readers.

Abstract: Anti-counterfeit and anti-theft buttons include at least a body embedded with a RFID system containing one or plural RFID chips. Each RFID chip may be of a single or double or multiple frequencies. If the single frequency is used, it may be a high frequency (HF) or an ultrahigh frequency (UHF). If the double frequencies are used, they may be any composition of HF and UHF. If the multiple frequencies are used, they may be a single HF and plural UHF, or plural HF and single UHF. The RFID chip is jointed with an antenna that may be of a single or multiple circuits and should have an extended antenna. All antennas can enhance effects of receiving signals. When two of these buttons fitted together are illegally separated, a system host may operate to give out warning signals or sound, achieving counterfeit and theft prevention.

Abstract: A wireless communication device according to embodiments includes a position detection unit configured to detect the position of the wireless communication medium in a moving path, and a control unit configured to control communication based on the detection signal from the position detection unit.

Abstract: A musical instrument location transmitting device and system includes a musical instrument having a location transmitting device and an electric power source permanently secured in the musical instrument in a position that requires removal of a musical component of the musical instrument in order to remove the location transmitting device. The location transmitting device includes a location sensing unit and a wireless transmitter that outputs a location of the musical instrument. A system wirelessly monitors a location of the musical instruments. A method of making a musical instrument includes coupling a location transmitting device inside a musical instrument and closing the musical instrument to permanently install the location transmitting device.

Abstract: An active RFID tag has an antenna inside RF-blocking enclosure having a port with a selected shortest dimension. An RFID reader located outside the enclosure at a reader position transmits a downlink RF signal through the port as a directional RF signal on a downlink carrier frequency corresponding to a downlink wavelength smaller than the selected shortest dimension. The port is selectively configured so that the directional downlink RF signal can pass through the port in an access mode during a selected access time interval and are attenuated by at least 60 dB in a restricted mode during a selected restricted time interval that does not overlap with the access time interval.

Abstract: This invention relates to dynamically controlled, electronic article surveillance (EAS) systems whereby an array of antenna elements is digitally phased and actively driven for concurrent transmission, and digitally phased and combined in the receiver unit to improve detection. In particular, the individual frequency and phase of the plurality of the transmit/receive signals are rapidly varied to allow for automated manipulation (steering) of the transmit field pattern and receive field sensitivity. The invention achieves the following features via means of digital phasing and dynamic computer control: sufficient far-field cancellation, null-free detection and uncompromised detection performance regardless of tag's orientation while using single transmission drivers to drive entire antenna structures, whether loop antenna or ferrite core antenna, using a phase coupler, thereby allowing more efficient system operation or additional features such as deactivator antenna operation.

Abstract: A protection circuit is designed to operate when the level of a DC power supply potential which is generated in a rectifier circuit is equal to or greater than a predetermined level (a reference level), so as to decrease the level of the generated DC power supply potential. On the other hand, the protection circuit is designed not to operate when the DC power supply potential which is generated in the rectifier circuit is equal to or less than the predetermined level (the reference level), so as to use the generated DC power supply potential without change. A transistor of the protection circuit includes an oxide semiconductor layer, which enables a reduction in the off-state current of the transistor and a reduction in power consumption of the protection circuit.

Abstract: Cash drawers that are operated by wireless devices are disclosed. A cash drawer illustratively includes a communication interface that receives commands from a wireless device, and a controller that process the command received from the wireless device. The cash drawer may optionally include a reader that reads an identifier associated with the wireless device. The reader is illustratively an RFID reader and the identifier is an RFID tag associated with the wireless device. Alternatively, the reader is an NFC reader and the identifier is an NFC chip associated with the wireless device. In another embodiment, the cash drawer includes an identifier that is configured to be read by a wireless device. The identifier is illustratively either barcode, an RFID tag, or an NFC chip. The cash drawer may also include an indicator that identifies when the wireless device is authorized to operate the cash drawer.

Abstract: Methods and apparatuses for configuring antennae of radio frequency identification reader systems. In one aspect of an embodiment, a radio frequency identification (RFID) reader system, includes: a receiver; a radio frequency (RF) source for signal transmission; and a switch matrix coupled with the receiver and the radio frequency sources to selectively couple the receiver and the radio frequency source to a plurality of non-collocated antennae. When in a first mode, the switch matrix connects the radio frequency source to a first one of the antennae for signal transmission and the receiver to a second one of the antennae for signal reception; and when in a second mode, the switch matrix connects the first one of the antennae for signal reception and, in one example, the second one or another one of the antennae to the RF source for signal transmission.

Abstract: A nanoscale RFID arrangement comprised of a foraminous substrate having a signal sensing nanoscale antenna extending therefrom, which RFID arrangement is incorporated into an RFID utilizing product.

Abstract: A container group includes a plurality of containers arranged in three dimensions. A power signal is transmitted to a first subset of the containers facing a power antenna. A data signal is transmitted to a second subset of the containers facing a link antenna. The power and link antennas face non-parallel sides of the container. The containers pass power back from the first subset. The power transmitted to each container runs an RFID repeater that passes data back from the second subset. In the container group is a masked container with an RFID tag that communicates with the RFID repeater on the next container closer to the link antenna.

Abstract: An active electronic tag for a memory card is disclosed herein. The active electronic tag includes an antenna, a first amplifier, an automatic gain control circuit, a phase synchronization locking circuit, a decoding and TX/RX control unit and a second amplifier. The antenna receives a detecting signal transmitted from a card reader, in which the detecting signal is carried on a first carrier. The phase synchronization locking circuit generates a positive carrier and a negative carrier with a phase difference of 180 degree. The decoding and TX/RX control unit generates a response signal, which is carried on the negative carrier. By utilizing the phase difference of the first carrier and the negative carrier, the response signal cancels the first carrier on the card reader, so as to transmit the information saved inside the active electronic tag.

Abstract: Systems, methods and computer program products for detecting and re-personalizing are provided herein. In an embodiment, the invention operates by obtaining an ID (i.e., an identification, such as a Dynamic Unique Identifier) from a RFID tag, generating a new ID, and writing the new ID to the RFID tag. The ID read from the tag is used to lookup a subject's record in a database. If the write of the new ID to the tag is verified, then database changes are committed to link the new ID to the subject. In an alternative embodiment, the invention operates by obtaining data from a memory of a RFID tag, wherein the memory has a first partition and a second partition, generating a new ID, and writing the new ID to either of the first partition or the second partition of the RFID tag. If such write is verified, then the new ID is written to the other partition of the RFID tag. The data from the tag is used to lookup a subject's record in a database.

Abstract: The present invention is directed to a system and method for controlling and managing medical supplies stored inside medical refrigerator or freezer. The system includes a reader and at least two antenna situated in different locations of the exterior of the refrigerator or freezer and are connected to the reader individually; electronic labels attached on the medical supplies which store identification codes of corresponding medical supplies; processing unit which is connected to the reader for receiving identification codes of medical supplies from reader through the antenna, and determines a general position of the corresponding medical supply in the storage space according to the situated location and beam coverage area of the antenna, thus allowing one to quickly retrieve said medical supply.

Abstract: To form a signal processing circuit and an antenna apparatus that do not need a circuit to adjust resonant frequency of a resonant circuit or resonant-frequency adjustment work and that are downsized, an antenna coil and a capacitor define an antenna resonant circuit. An impedance matching circuit including capacitors, a first coil, and a second coil is provided between the antenna resonant circuit and a wireless IC. The first coil and the second coil are magnetically coupled.

Abstract: An information storage medium, a managed product and a management system in which the possible communication distance of an IC tag for wireless communication can be improved and the reading direction limitation can be reduced are provided. The information storage medium includes a wireless IC tag in which information is stored, a sheet body including a first spacer, an auxiliary antenna and a second spacer, and an elongated member formed of a conductive material. The elongated member is provided to be opposite to the wireless IC tag with respect to the sheet body. As the elongated member, for example, a part of a tool such as a body portion of a screwdriver can be used.

Abstract: A Radio Frequency Identification (RFID) tag. The RFID tag comprises a flexible substrate and an integrated circuit embedded within the flexible substrate. The top surface of the integrated circuit is coplanar with the flexible substrate. At least one conductive element is formed on the flexible substrate. The conductive element is electrically connected to the integrated circuit. The conductive element serves as an antenna for the RFID tag.

Abstract: A security system may include a plurality of electronic devices, each having a unique identification (ID) associated therewith and configured to generate a temporary security code based upon the unique ID. The system may further include at least one mobile wireless communications device including a first Near-Field Communication (NFC) circuit, and a mobile controller configured to receive the temporary security code from a given electronic device from among the plurality of electronic devices. The system may also include an access control device associated with a personnel access position and including a second NFC sensor and a security controller. The security controller may be configured to receive the temporary security code from the first NFC sensor via NFC communications, selectively grant personnel access based upon the received temporary security code, and determine the unique ID associated with the given electronic device.

Abstract: An antenna core includes a laminate of a plurality of Co-based amorphous magnetic alloy thin strips in which a length ratio of a long axis to a short axis is greater than 1. 60% or more of the Co-based amorphous magnetic alloy thin strips in terms of the number of the thin strips as percentage have a line-shaped mark formed along the long axis on at least one surface thereof. An antenna includes the antenna core and a winding wound around the antenna core along the long axis.

Abstract: This invention relates to a physiological sensor which acquires pre-programmed data from an electrode or an electrode array using Radio Frequency Identification (RFID) technology. The source of the sensor may be authenticated by means of a wireless interface between an RFID transponder affixed to the electrode array, and an RFID interrogator embedded in the patient interface cable. The criteria for use are then verified to ensure that they are met by the electrode array before beginning signal acquisition. If the criteria are not met, a message is provided to the user via the monitor.

Abstract: A wide area radio frequency identification (RFID) system includes: a first RFID cell and a second RFID cell. The first RFID cell and the second RFID cell each include a reader and tags. The readers access the tags using ultra-wide band signaling. The RFID cells each include: a communications interface operable to communicate with a network operations center, and a communications gateway which supports direct communications between RFID cells. The method includes accessing the second RFID cell from the first RFID cell, and the accessing is performed using the communications gateway that can cover a range of at least five hundred meters.

Abstract: A tamper-resistant electronic system includes a destructible vinyl (DV) substrate having conductive wiring disposed on a first surface of the DV substrate. An RFID device has pins mechanically and electrically connected to the wiring on the first surface of the DV substrate. A plate has a first surface, and a portion of the first surface of the plate is adhered to a portion of the first surface of the DV substrate. The plate has a cavity that encompasses the RFID device. A backing is adhered to a second surface of the plate opposite the first surface of the plate.

Abstract: A telemetry head for communication with an implantable medical device comprises a telemetry antenna and a shield substantially surrounding at least a portion of the antenna, the shield having a coating comprising a ferromagnetic material applied to at least a portion of the shield, wherein the coating is configured to shield at least the portion of the telemetry antenna from electromagnetic interference fields while permitting telemetry signals to pass through the coating.

Abstract: A MOS RF surveillance and/or identification tag, and methods for its manufacture and use. The tag includes an interposer, an antenna/inductor, and integrated circuitry on the interposer. The integrated circuitry has a lowest layer in physical contact with the interposer. The method of manufacture includes forming a lowest layer of integrated circuitry on an interposer, forming successive layers of the integrated circuitry on the lowest layer of integrated circuitry, and attaching an electrically conductive functional layer to the interposer. Alternatively, an electrically conductive structure may be formed from a functional layer attached to the interposer. The method of use includes causing/inducing a current in the present tag sufficient for it to generate, reflect or modulate a detectable electromagnetic signal, detecting the signal, and optionally, processing information conveyed by the detectable electromagnetic signal.

Abstract: An RFID memory device includes two arrays of resonant members. A first array extends in a first member direction and a second array extends in a second member direction. The device includes one or more elements for transforming energy associated with vibration of the resonant members into a change in impedance of an electrical equivalent circuit of the memory device. The magnitude of impedance change caused by resonance of the first resonant members is maximized at a different magnetic field direction to that at which the magnitude of the impedance change caused by resonance of the second resonant members is maximized. Thus, different data may be encoded on each array and separately read. The resonant members may form part of a common electrical conductor that forms a coupling element for coupling with an applied excitation signal and causing vibration of the resonant members.

Abstract: An encoding module and related systems and components are provided. The encoding module includes a plurality of encoding elements arranged in an array of columns and rows and one or more switching elements configured to selectively connect the encoding elements to a reader. The connection of the encoding elements may be based on the location of a targeted transponder disposed among multiple adjacent transponders to ensure the selective communication with the targeted transponder only. The module is configured for various types and locations transponders to be used within a system, such as a printer-encoder. Each encoding element may include a loaded conductive strip comprising a loop shape portion and a shield that corresponds to the loop shape portion. In another embodiment, an access control system having an encoding module with the plurality of couplers and an access card having a plurality of transponders corresponding to the couplers is provided.

Abstract: An improved data transmission system is disclosed in which data encoding such as Data Bus Inversion (DBI) in a transmitting device is matched to the termination scheme being used in a receiving device. In the improved system, the transmitting device is able to automatically discover the termination scheme being used in the receiving device, and is thereby able to automatically implement a data-encoding algorithm to best match the termination scheme being used. In one example, Information concerning the termination scheme can be communicated to the transmitting device via a control channel, or another channel otherwise dedicated to data encoding such as a DBI channel. In another example, the transmitting device can infer the termination scheme being used via measurements, or by understanding how the receiving device will modify its termination scheme given current data transmission conditions.

Abstract: An emergency exit sign having a beacon module for indoor positioning and an indoor positioning system using the same are provided. The emergency exit sign includes a power supply unit, an AC/DC converter, an indoor positioning beacon module, an LED lamp, and a charger. The power supply unit receives an input of a power source and supplies the power source. The AC/DC converter converts the power source supplied and supplies a driving power source. The indoor positioning beacon module periodically wireless transmits a beacon signal including a beacon ID through a built-in antenna. The LED lamp is installed within the housing such that the lamp is positioned in rear of the display. When a power source is not supplied from the power supply unit, the charger supplies a driving power source.

Abstract: An RFID system includes an RFID antenna assembly configured to be positioned on a product module assembly of a processing system. The product module assembly is configured to releasably engage at least one product container. A first RFID tag assembly configured to be positioned on the at least one product container. The at least one product container is configured to position the first RFID tag assembly within a detection zone of the RFID antenna assembly whenever the product module assembly releasably engages the at least one product container.

Abstract: A ball (1) for use in a sporting activity can comprise a body having an electrical circuit (21) on a flexible substrate (20) received therein. The electrical circuit (21) comprises a dipole antenna (26) integrally formed with the electrical circuit (21) on the flexible substrate (20). The dipole antenna can comprise two arms (23, 24) each folded in a semi-circular shape.

Abstract: A flat identification antenna for receiving signals from multiple tag-carrying items placed on the antenna and a system for identifying and tracking multiple tag-carrying items including the same. The antenna comprises a first planar array of partially overlapping first planar loops, a second planar array of partially overlapping second planar loops and an insulating board positioned between the first and second arrays. The loops in the first array are arranged to partially overlap each other in one direction and the loops in the second array are arranged to partially overlap each other in another direction.

Abstract: Embodiments of the present invention provide an apparatus and a method for cabinet asset management and a cabinet system. The apparatus for cabinet asset management includes a management unit and at least one antenna board unit. The management unit sends a read signal to the antenna board unit. After receiving the read signal, the antenna board unit sends the read signal in a form of an electromagnetic wave, so that after sensing a magnetic field signal, a label within a radiation range of the electromagnetic wave sends, using an induction current, configuration information of a physical component stored in the label to the antenna board unit. After receiving the configuration information, the antenna board unit reports the configuration information to the management unit. After receiving the configuration information reported by the antenna board unit, the management unit performs data analysis processing.

Abstract: A wireless IC device which functions as a non-contact RFID system even when the wireless IC device is attached to an article containing metal, water, salt or the like, without hindering reduction in size and thickness, and a method for manufacturing the same are obtained. The wireless IC device includes a wireless IC chip arranged to process a predetermined wireless signal, a feed circuit board on which the wireless IC chip is mounted, a loop-shaped electrode that is coupled to the wireless IC chip via the feed circuit board, and a first electrode plate and a second electrode plate that are coupled to the loop-shaped electrode. The loop-shaped electrode is sandwiched between the first electrode plate and the second electrode plate and is arranged such that the loop surface thereof is perpendicular to or tilted with respect to the first and the second electrode plates.

Abstract: An radio frequency identification (“RFID”) system and RFID tag that include a substrate body having a surface where the substrate body defines a plane of the tag, an RFID integrated circuit disposed on the surface of the substrate body, and an antenna that has an antenna pattern, which is disposed on the substrate body and in electrical communication with the RFID integrated circuit, the antenna generating a radiation pattern with maximum gain along an axis that is substantially coplanar with the tag.

Abstract: It is described a transponder tagged object, comprising: a conductive structure (103, 105, 403, 405); an insulating region (109, 409) galvanically isolating a first portion (103, 403) of the conductive structure from a second portion (105, 405) of the conductive structure; and a transponder tag (111, 411, 611) comprising a first antenna pad (133, 333) and a second antenna pad (135, 335), wherein the transponder tag is fixed at the object such that the first portion of the conductive structure in particular capacitively couples to the first antenna pad and such that the second portion of the conductive structure in particular capacitively couples to the second antenna pad. Further, a method for manufacturing a transponder tagged object is described.

Abstract: Methods and systems of tagging objects and reading tags coupled to objects. At least some of the illustrative embodiments are systems comprising a reading antenna, a tag reader coupled to the reading antenna, and a radio frequency identification (RFID) tag comprising a tag antenna electromagnetically coupled to the reading antenna. The RFID tag couples to an object such as the body of a living organism or a metallic article. Moreover, the tag antenna has a far-field radiation pattern in a direction away from the object that is substantially unaffected by proximity of the RFID tag to the object, and substantially unaffected by which surface of the RFID tag faces the object.

Abstract: A conveyor system for processing items on which radio frequency identification tags are disposed has a conveyor that conveys items through a path of travel, and an antenna disposed proximate the path of travel. Circuitry in communication with the antenna may associate RFID tag data with a package on the conveyor based on a difference signal from elements in the antenna.

Abstract: To provide a semiconductor device including an RFID which can transmit and receive individual information without checking of the remaining charge of a battery or a replacing operation of the battery in accordance with deterioration over time of the battery for driving, and can maintain an excellent state for transmission and reception of individual information even when power of a radio wave or an electromagnetic wave from outside is insufficient. A battery (also described as a secondary battery) is provided as a power supply for supplying power to the RFID. Then, when power which is obtained from a signal received from outside is larger than predetermined power, its surplus power is stored in the battery; and when the power which is obtained from the signal received from outside is smaller than the predetermined power, power which is obtained from the battery is used for the power for driving.

Abstract: A radio frequency identification (RFID) system includes a portable RFID reader, and a read infrastructure that includes a distributed read structure, which may be part of a display (such as a shelf) for holding objects. The read structure is used to couple the RFID reader to RFID devices (tabs and/or labels) on or near the structure. The RFID reader and the read structure communicate in a near field or proximity region communication, without any use of a direct ohmic electrical connection. The RFID reader may have an antenna that is configured for near field or proximity communication with a coupler of the read infrastructure. The RFID reader may also have a separate antenna for use in far field communication. The RFID reader may be able to obtain information more efficiently in the near field or proximity mode, allowing information to be received faster and with greater reliability.

Abstract: An antenna includes a flexible sheet, a first coil electrode being formed on a first main surface of the flexible sheet and a second coil electrode being formed on a second main surface of the flexible sheet. Another end portion of the first coil electrode and another end portion 32B of the second coil electrode oppose each other with the flexible sheet there between. One end portion of the first coil electrode opposes an electrode pad, which has a smaller area than the one end portion, with a mounting substrate there between. One end portion of the second coil electrode and a central electrode oppose each other with the flexible sheet there between, and the central electrode opposes an electrode pad, which has a smaller area than the central electrode, with the mounting substrate there between.

Abstract: A system and device for detecting and/or deactivating a security tag when passing through an electronic article surveillance (EAS) portal. The portal may be oriented by the arrangement of one or more antennas to generate an electromagnetic field at or within the portal to detect and/or deactivate the security tag. The electromagnetic field may detect and/or deactivate a security tag located at any orientation on merchandise as the security tag passes through the portal. The portal may be mounted on a counter at a point-of-sale station in which merchandise having security tags attached thereto are passed through the portal. The portal may also be mounted to a floor in which a shopping cart having merchandise is passed through the portal so that security tags attached to the merchandise in the cart are detected and/or deactivated.

Abstract: A system for recognizing animals in a detection zone (4) wherein the animals are provided with a label (6.i) that responds by transmitting a return signal with information when the label is (6.i) introduced into an electromagnetic interrogation field, provided with at least a transmitting and receiving system (2) for transmitting the electromagnetic interrogation field in the detection zone (4) and for receiving a return signal from a label (6.i) located in the detection zone (4), whereby the transmitting and receiving system (2) is provided with a plurality of antennas (8.i) for receiving a return signal from at least one label (6.i) present in the detection zone (4) wherein the antennas (8.i) are designed and arranged to discretely receive electromagnetic signals which come from mutually different subzones (4.i) wherein the subzones (4.i) in combination from the detection (4) zone.

Abstract: Radio Frequency Identification (RFID) tags may receive one or more run commands, prior to being singulated, that specify one or more programs for the tag to execute. A run command may encapsulate the programs, in which case the tag may execute or store and execute the program(s). A run command may alternatively specify programs stored on the tag. The tag may execute the program(s) upon receipt, upon a trigger event, serially or in parallel, and/or may modify the instructions or program(s) by adjusting parameters. A reader may tell the tag to execute the instructions or program(s) via the run command or another command which, in some cases, may be sent prior to tag singulation. A tag may, based on a result of the executed program(s), determine whether to participate in a subsequent inventory round, modify a behavior during a subsequent inventory round, or store the result in tag memory.

Abstract: The present invention is to provide a package bag having a metal layer, wherein the metal layer is formed with a first groove and a second groove, and the second groove has a first side extending to one edge of the metal layer and a second side away from said edge and communicating vertically with a central section of a first side of the first groove. The second side of the second groove is shorter than the first side of the first groove, such that the portions of the metal layer adjacent to the first side of the first groove form two first impedance-matching portions respectively, and the two corresponding portions of the metal layer adjacent to the first groove form two second impedance-matching portions respectively. Thus, due to the impedance-matching portions, a slot antenna can be formed on the metal layer for coupling with a communication device attached thereto.