A radio frequency identification device (RFID) includes an antenna, a first RFID chip and a second RFID chip. The antenna includes a first antenna pattern, a second antenna pattern and a shared emitting part, wherein the first antenna pattern and the second antenna pattern are connected to the shared emitting part respectively. The first RFID chip is electronically connected to the first antenna pattern and is adapted to transmit a first data using the first antenna pattern and the shared emitting part. The second RFID chip is electronically connected to the second antenna pattern and is adapted to transmit a second data using the second antenna pattern and the shared emitting part.

A method of calibrating a digital data writing system (20), the digital data writing system comprising a plurality of wireless communication devices (30) configured to write digital data to a first plurality of wireless communication chips (7) provided in a printed sheet (10), the method comprising: providing, to the digital data writing system (20), configuration data relating to the locations of each of the first plurality of wireless communications chips (7); selecting each wireless communication device (30) in turn and identifying, for the selected wireless communication device (30), a corresponding one of the first plurality of wireless communication chips (7) that is located in closest proximity to the location of the wireless communication device (30) within the digital data writing apparatus (20); and determining, for the selected wireless communication device (30), the relative location of the device within the digital data writing system (20).

An electronic wireless communication device (200) that includes first and second electronic chips (202, 204); a first antenna (206) electrically connected to the first electronic chip (202); a second antenna (208) electrically connected to the second electronic chip (204); and a third antenna (210) that is adapted to be electromagnetically coupled with the first and second antennas (206, 208). The first electronic chip (202) is configured to communicate with a first external terminal using a first protocol via a first antenna pair formed by the first antenna (206) and the third antenna (210); and the second electronic chip (204) is configured to communicate with the first external terminal and/or a second external terminal using a second protocol via a second antenna pair formed by the second antenna (208) and the third antenna (210).

A device includes a first signal line, a second signal line, and a controller. The first signal line is coupled to a first storage area. The second signal line is coupled to a second storage area. The controller outputs a signal to the first signal line or the second signal line to select the first storage area or the second storage area. The first storage area may be a removable data storage card, and the second storage area may be an embedded storage area in the device. The signal is a reset signal for the selected one of the first storage area and the second storage area.

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.

According to one embodiment, an IC card includes an antenna, a charge unit, a memory, and a first processor. The charge unit is configured to be charged by a current induced electromagnetically in the antenna. The memory is configured to store processing execution information for discontinuously executing a plurality of processing. The first processor is configured to operate by a current from the charge unit, and discontinuously execute a plurality of processing by providing an interval based on the processing execution information.

A wireless connection is established between at least two electronic modules (M1, M2) disposed separate from one another in a smartcard having a coupling frame so that the two modules may communicate (signals, data) with each other. The two modules may each have module antennas (MA-1, MA-2), and may be disposed in respective two openings (MO-1, MO-2) of a coupling frame (CF). A coupling antenna (CPA) having two coupler coils (CC-1, CC-2) disposed close to the two modules antennas of the two modules. The coupling antenna may have only the two coupler coils (CC-1, CC-2), connected with one another, without the peripheral card antenna (CA) component of a conventional booster antenna (BA). Energy harvesting is disclosed.

An electronic wireless communication device (200) that includes first and second electronic chips (202, 204); a first antenna (206) electrically connected to the first electronic chip (202); a second antenna (208) electrically connected to the second electronic chip (204); and a third antenna (210) that is adapted to be electromagnetically coupled with the first and second antennas (206, 208). The first electronic chip (202) is configured to communicate with a first external terminal using a first protocol via a first antenna pair formed by the first antenna (206) and the third antenna (210); and the second electronic chip (204) is configured to communicate with the first external terminal and/or a second external terminal using a second protocol via a second antenna pair formed by the second antenna (208) and the third antenna (210).

A device has a substrate, a plurality of switches located on the substrate, a plurality of NFC chips, each associated with a switch, and an NFC antenna. The switches and the NFC chips associated therewith are interconnected in series and are connected to the NFC antenna. The device contains a label which is joined face to face with the substrate, the individual NFC chips are arranged on the label. The switches are arranged on the substrate but not on the label, and mutually opposed contact points contacting the conductor tracks with each other are provided on the substrate and on the label to electrically connect the switches, the NFC chips and the NFC antenna.

Systems for switchable RFID tags responsive to an environmental sensor are provided. In one embodiment, a system includes a RFID tag having an antenna and an integrated circuit electrically coupled to the antenna, a plurality of sensor devices electrically coupled to the integrated circuit, and an electrical connection between the integrated circuit and the plurality of sensor devices. The integrated circuit is configured to sense whether each of the plurality of sensor device is in a conductive state or in a non-conductive state, and produce a different output based on the state of the each of the plurality of sensor devices. The output is adapted to be transmitted through the antenna to a reader.