A system including a plurality of transmitters configured to transmit a wireless signal for supplying power and an information processing apparatus configured to supply electric power for that transmission, wherein the plurality of transmitters are electrically connected in series with the…

A multi-antenna includes a substrate, a first antenna element including two linear antennas extending in two different directions from a first feeding point, and a second antenna element including two linear antennas extending in two different directions from a second feeding point, the first…

A wireless power-supply device is configured to realize a variety of radiation patterns. The wireless power-supply device includes; a meta-surface including a plurality of waveguide patches and a plurality of switches arranged in association with the plurality of waveguide patches; a control device…

A device housing is provided for wirelessly receiving electric power in order to supply electric power to a device with an excellent power-receiving efficiency, while suppressing an increase in its size as a whole. Also, a device having the same device housing and a device housing for constituting…

A power-receiving device including: a power-receiving antenna for receiving electromagnetic waves; a rectifier functionally connected to the power-receiving antenna, for converting the electromagnetic waves into DC voltages; a first power storage device functionally connected to the rectifier, for…