Murata Manufacturing Co., Ltd.

Murata Manufacturingco., Ltd.

Masaaki Kanao

Tatsuya Hosotani

Katsumi Taniguchi

Shingo Ito

Takafumi Nasu

Makoto Takeoka

Yu Fujimura

A communication device includes a first substrate including antennas including a first antenna and a second antenna, and a battery including a principal surface and being used as a power source of a circuit connected to the antennas. The battery, when viewed in a direction perpendicular or substantially perpendicular to the principal surface of the battery, is disposed between the first antenna and the second antenna, and a portion or all of the first antenna and the second antenna overlap with the battery, when viewed in a direction in parallel or substantially parallel to the principal surface of the battery.

Communication device

A wireless module includes a substrate that includes a first portion, a second portion, and a first flexible portion connecting the first portion and the second portion to each other. The first portion includes a circuit element that is mounted on the first main surface and a circuit including at least the circuit element. The second portion includes a first coil connected to the circuit. The first portion and the second portion face each other. A magnetic sheet is disposed on a second main surface of the second portion, and a battery is disposed between the second main surface of the first portion and the magnetic layer.

Wireless module, RFID system, and wireless power supply device

Growing community of inventors

Nagaokakyo, Japan

Masaaki Kanao