Murata Manufacturing Co., Ltd.

Mikiko Saito

Noboru Kato

Hirokazu Yazaki

Ryohei Omori

Yoshihiro Aoyama

A container including an RFID module is provided that includes a base, and an antenna pattern. The antenna pattern includes a first antenna film and a second antenna film on a first main surface of the base. The RFID module includes an RFIC element, a filter circuit, and first and second electrodes. The filter circuit is configured to transmit a current due to an electromagnetic wave at a natural resonance frequency to the RFIC element. The first and second electrodes are connected to the filter circuit. The first electrode of the RFID module and the first antenna film are electrically connected to each other. The second electrode of the RFID module and the second antenna film are electrically connected to each other. Moreover, a sheet resistance of each of the first antenna film and the second antenna film is 0.5Ω/sq or more.

Container provided with RFID module and method for manufacturing container provided with RFID module

A container including an RFID module is provided that includes a base, a metal film, and a slit. The base has an insulating property. The metal film is on a first main surface of the base. The slit separates the metal film into a first metal region and a second metal region. The RFID module includes an RFIC element, a filter circuit configured to transmit a current due to an electromagnetic wave at a natural resonance frequency being a communication frequency to the RFIC element, and first and second electrodes to be connected to the filter circuit. The first electrode of the RFID module and the first metal region of the metal film are electrically connected to each other. The second electrode of the RFID module and the second metal region of the metal film are electrically connected to each other.

Container including RFID module

A wireless communication device is provided for transmitting and receiving a high-frequency signal having a first frequency for communication is disclosed. The device includes a loop pattern having a first electrode and a second electrode as both ends, an antenna pattern, a third electrode capacitively coupled to the first electrode, and a fourth electrode capacitively coupled to the second electrode. The device includes an RFIC having a capacitive impedance at a second frequency higher than the first frequency, and a first current path and a second current path connected in parallel with each other between the third electrode and the fourth electrode. The RFIC is included in the first current path and the second current path has an inductive impedance at a second frequency.

Wireless communication device using a radio frequency identification (RFID) technology for data communication in a non-contact manner by an induction electromagnetic field or a radio wave

A container is provided that includes an RFID module, and further includes an insulating base material that forms an outer shape of the container; a metal film formed on a first main surface of the insulating base material; and a slit formed in the metal film. Moreover, the RFID module includes an RFIC element, a filter circuit that transmits a current caused by an electromagnetic wave at a unique resonance frequency serving as a communication frequency to the RFIC element, and first and second electrodes connected to the filter circuit. The metal film is formed to wrap around an outer periphery of the container in a direction intersecting the slit, and the first and second electrodes of the RFID module are electrically connected to the metal film across the slit formed between the first electrode and the second electrode.

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Nagaokakyo, Japan

Mikiko Saito