This contactless electricity supply device, which contactlessly performs charging of the battery (28) of a vehicle, is provided with: an electricity transmission coil (12) disposed at a road surface; and an electricity reception coil (22) disposed in the v...

The system has a processor unit (4), and an extrinsically calibrated stereo camera connected to the processor unit. A data storage device (33) i.e. server, is connected to the processor unit, and stores an item of information i.e. length, relating to a fea...

Provided is an electromagnetically-coupled state detection circuit including a detection unit that measures a primary side Q value of a circuit containing a primary side coil electromagnetically coupled with a secondary side coil and power transmission eff...

An electric power transmission system includes: a transmitting-side system that includes switching elements (SW1 and SW2) that convert a direct-current voltage to an alternating-current voltage and that output the alternating-current voltage and a transmit...

A device housing a battery has charging terminals (72) for connection of a charging adapter (80) and a contactless charging section (60). A charging apparatus performs contactless charging of the device housing a battery placed on the charging apparatus. T...