A radio frequency identification (RFID) system. An RFID tag may include multiple antennas connected with associated circuitry. An RFID tag's multiple antennas and associated circuitry are connected in parallel, and output power of the multiple associated circuitry can be combined. Each of the multiple antennas can be tuned for a different operating property or region. An RFID reader can include multiple antennas connected with associated circuitry. RFID reader's multiple antenna interfaces connect with a baseband processor, which can integrate resources of the reader's multiple antennas and associated circuitry. RFID tag and/or reader can be configured to support wireless channel diversity in enhancing at least one of power delivery and communication link budget.

A game token by which a plurality of RFID tags embedded in a plurality of the game tokens stacked each other can be read in a relatively stable manner is provided. A game token is provided with a security part and a receiving part that receives the security part. The security part has a shape with a diameter smaller than the diameter of the receiving part, a structure with a plurality of plastic layers laminated together, an RFID tag, and a visible print layer indicating a type or ID of the game token. The receiving part has a surface. The surface of the receiving part has a recessed portion for receiving the security part, and the depth of the recessed portion is 25% or more of the thickness of the game token.

A radio frequency identification (RFID) system. An RFID tag may include multiple antennas connected with associated circuitry. An RFID tag's multiple antennas and associated circuitry are connected in parallel, and output power of the multiple associated circuitry can be combined. Each of the multiple antennas can be tuned for a different operating property or region. An RFID reader can include multiple antennas connected with associated circuitry. RFID reader's multiple antenna interfaces connect with a baseband processor, which can integrate resources of the reader's multiple antennas and associated circuitry. RFID tag and/or reader can be configured to support wireless channel diversity in enhancing at least one of power delivery and communication link budget.

A method for locating an RFID transponder is proposed. The method comprises generating a plurality of measurement signals based on a magnetic field measured by a plurality of sensors. The method further comprises determining a respective degree of correlation for each of the plurality of measurement signals with a reference signal. The reference signal is based on a data sequence assigned to the RFID transponder. In addition, the method comprises determining a position of the RFID transponder based on the degrees of correlation of the plurality of measurement signals.

A wearable multi Radio Frequency Identification (RFID) device is disclosed. The wearable multi RFID device includes a container that includes an inner housing that further includes a plurality of fixed slots configured to receive a plurality of RFID tags. The container further includes an outer casing that at least partially encloses the inner housing circumferentially and is configured to slide around the inner housing in the container. The outer casing includes a layer of electromagnetic shielding material. The outer casing is further configured to shield the plurality of RFID tags from being scanned, at a first position and selectively expose one of the plurality of RFID tags for being scanned, at an associated second position from a plurality of second positions, based on mapping with at least one criterion defined by a user.

A radio frequency identification (RFID) system. An RFID tag may include multiple antennas connected with associated circuitry. An RFID tag's multiple antennas and associated circuitry are connected in parallel, and output power of the multiple associated circuitry can be combined. Each of the multiple antennas can be tuned for a different operating property or region. An RFID reader can include multiple antennas connected with associated circuitry. RFID reader's multiple antenna interfaces connect with a baseband processor, which can integrate resources of the reader's multiple antennas and associated circuitry. RFID tag and/or reader can be configured to support wireless channel diversity in enhancing at least one of power delivery and communication link budget.

A calibration execution section (calibration module) conveys a label mount by a conveyance pitch set by a conveyance pitch setting section (setting module) based on information including an arrangement state of a plurality of label papers attached to the label mount, and determines a writing position of information to an RFID tag (wireless tag), a wireless output value at the time of writing the information, and a threshold value for discriminating between a response signal from an RFID tag which is a writing target for the wireless output value and a response signal from an RFID tag which is not the writing target. An information writing section (writing module) writes the information at the writing position determined by the calibration execution section according to the wireless output value determined by the calibration execution section.

A Radio Frequency Identification (RFID) inlay, the inlay comprising: a first RFID transponder with a first antenna, based on a first RFID protocol; a second RFID transponder with a second antenna, based on a second RFID protocol; and a conductive isolation structure; wherein the conductive isolation structure is arranged and configured such that the conductive isolation structure reduces a mutual coupling between the two closely spaced antennas, first antenna and the second antenna, and therefore enhancing the read range performance of both RFID transponders.

A radio frequency identification (RFID) system. An RFID tag may include multiple antennas connected with associated circuitry. An RFID tag's multiple antennas and associated circuitry are connected in parallel, and output power of the multiple associated circuitry can be combined. Each of the multiple antennas can be tuned for a different operating property or region. An RFID reader can include multiple antennas connected with associated circuitry. RFID reader's multiple antenna interfaces connect with a baseband processor, which can integrate resources of the reader's multiple antennas and associated circuitry. RFID tag and/or reader can be configured to support wireless channel diversity in enhancing at least one of power delivery and communication link budget.

A spacing device and related method for improving readability of a container of RFID tagged items that are in relatively close proximity to each other is disclosed. The spacing device is preferably a low dielectric constant spacing device, wherein the nature of the device can be varied to create different effects on the readability of the RFID tagged items by preventing them from occupying areas with a large amount of material between the RFID tagged items and the RF reader. The spacing device is added into the container as the RFID tagged items are loaded into the container, and is preferably positioned in the center of the container. The spacing device can have a number of different dielectric, conductive and physical structures, and may be designed to be disposable, recyclable or re-used as needed.