Other

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Suguru Kojima

Masahiro Nakano

Koji Imamura

Shinsuke Ogata

Masahiro Kumagawa

Kazuhiko Yahata

A reading system includes an evaluation value acquirer and a determining processor. The evaluation value acquirer is configured to acquire, with regard to a reading device configured to perform wireless communication with an electronic tag attached to each of one or more items by using a radio wave as a medium to read item information on each of one or more items, an evaluation value about at least one of: the number of times; a time interval; or a frequency, of reading the item information for each of at the one or more items. The determining processor is configured to determine, for each of the one or more items, whether or not each of the one or more items is an object to be read based on a change in the evaluation value over time.

Reading system, shopping assistance system, reading method, and program

An antenna apparatus having directivity includes an antenna portion having a power feeding portion, a plate-like first antenna element, and a second antenna element connected to a side of the first antenna element through the power feeding portion, the second antenna element having a width smaller than that of the first antenna element; and a plate-like parasitic element disposed opposite to the antenna portion. The parasitic element has a length that is approximately one-half or more of a wavelength of an operating frequency. The second antenna element has a length that is shorter than one-fourth of the wavelength of the operating frequency. The antenna portion and the parasitic element have a distance capable of being connected electromagnetically to each other.

Antenna apparatus and mobile terminal

A transmitting/receiving circuit holds a communication at a frequency fby using an antenna or an antenna, and a transmitting/receiving circuit holds a communication at a frequency fby using an antenna. In response to a receiving signal intensity, a switching circuit connects any one of the antennas to the transmitting/receiving circuit as a selected antenna for use in communication, and connects the other antenna to a terminating circuit as a non-selected antenna. The terminating circuit connected to the non-selected antenna has an impedance that satisfies a predetermined phase condition at the frequencies f, frespectively, suppresses an inter-antenna coupling between the non-selected antenna and the selected antenna and the antenna, and suppresses degradation in antenna characteristic caused due to the inter-antenna coupling between the selected antenna and the antenna.

Antenna selector and communication device

Growing community of inventors

Kanagawa, Japan

Suguru Kojima