Abstract: A vehicle guidance device includes: at least one light reflector including: a retroreflector configured to reflect laser light for distance measurement emitted from a vehicle for autonomous driving; and a reflection setter configured to set either a first state in which the laser light is retroreflected from the retroreflector toward the vehicle, or a second state in which the laser light is not retroreflected from the retroreflector toward the vehicle, and a controller configured to cause the reflection setter to set the first state by setting a target position of the vehicle associated with the light reflector and cause the reflection setter to set the second state after the vehicle arrives at the target position.

Abstract: A power feeding system feeds power to a vehicle equipped with a battery. The power feeding system includes: an accommodation portion including a heat insulating material and configured to accommodate the vehicle; a power feeding unit configured to feed power to the battery of the vehicle accommodated in the accommodation portion; a power feeding controller configured to control the power feeding to the battery by the power feeding unit; and a temperature sensor configured to detect temperature inside the accommodation portion. The power feeding controller is configured to control the power feeding to the battery such that the temperature detected by the temperature sensor is within a temperature range suitable for keeping the battery warm.

Abstract: A power feeding device performing wireless power feeding to a flying object includes: a power feeding unit performing power feeding to the flying object disposed at a power feeding position; a power transmission coil provided in the power feeding unit and generating a magnetic field by energization; a relay coil provided in the power feeding unit, receiving the magnetic field generated from the power transmission coil and magnetically coupled to the power transmission coil, and magnetically coupled to a power receiving coil provided in the flying object in a case where the flying object is positioned at the power feeding position; and a second magnetic body provided in the power feeding unit and used for magnetic coupling between the relay coil and the power receiving coil.

Abstract: A power supply device includes: a power transmission coil unit; and a display unit displaying a mark indicating a power supply position of the movable object. A power transmission coil region of the power transmission coil unit has a point-symmetric shape with respect to a center of the power transmission coil region. The display unit includes a first display device displaying a first mark indicating a first power supply position of the movable object in a power supply space when the movable object enters the power supply space in a first direction, and a second display device displaying a second mark indicating a second power supply position of the movable object in the power supply space when the movable object enters the power supply space in a second direction opposite to the first direction.

Abstract: A vehicle power supply system for supplying power to a vehicle includes a power supply unit, and a heat supply unit configured to recover heat and supply the recovered heat to an object to be supplied with heat. The power supply unit includes a storage part configured to store the vehicle, and a power supply part configured to supply power to the vehicle stored in the storage part. The heat supply unit includes a heat recovery part configured to recover heat inside the storage part, and a heat release part configured to release the recovered heat to the object to be supplied with heat.

Abstract: A power supplying facility includes: a power supply device installed in a building that has a power supply space for supplying power to an electric vehicle having a battery, and supplying power wirelessly to the battery of the electric vehicle parked in the power supply space by means of an automatic parking function, and a building air conditioner communicatively connected to the power supply device, and conditioning air inside of the building based on an operating state of the power supply device.

Abstract: A coil device includes a coil unit for stowing a coil part, and a heat dissipation unit thermally connected to the coil unit. The heat dissipation unit has a heat dissipation body, a heat dissipation fin movable relative to the heat dissipation body, and a fin drive mechanism for driving the heat dissipation fin. The heat dissipation unit has a heat dissipation configuration in which the heat dissipation fin projects from the heat dissipation body in a direction intersecting a winding axis, and a stowed configuration in which the heat dissipation fin is stowed in the heat dissipation body.

Abstract: A vehicle guidance device includes: at least one light reflector including: a retroreflector configured to reflect laser light for distance measurement emitted from a vehicle for autonomous driving; and a reflection setter configured to set either a first state in which the laser light is retroreflected from the retroreflector toward the vehicle, or a second state in which the laser light is not retroreflected from the retroreflector toward the vehicle, and a controller configured to cause the reflection setter to set the first state by setting a target position of the vehicle associated with the light reflector and cause the reflection setter to set the second state after the vehicle arrives at the target position.

Abstract: A system includes: a power transmission coil in each of power supply spaces where electric vehicles can park in line one behind another from a head side to a tail side of the power supply spaces, and a power supply circuit supplying power to the electric vehicle via the power transmission coil when the power transmission coil faces a power reception coil in the electric vehicle. The system further includes: a controller making the electric vehicles park in line one behind another from the head side, moving one electric vehicle parked in a leading power supply space of the power supply spaces to a boarding area after stopping the power supply to the one electric vehicle, and moving another electric vehicle located behind the one electric vehicle to a power supply space at the head side.

Abstract: A power feeding device performing wireless power feeding to a flying object includes: a power feeding unit performing power feeding to the flying object disposed at a power feeding position; a power transmission coil provided in the power feeding unit and generating a magnetic field by energization; a relay coil provided in the power feeding unit, receiving the magnetic field generated from the power transmission coil and magnetically coupled to the power transmission coil, and magnetically coupled to a power receiving coil provided in the flying object in a case where the flying object is positioned at the power feeding position; and a second magnetic body provided in the power feeding unit and used for magnetic coupling between the relay coil and the power receiving coil.

Abstract: A coil device according to one aspect of the present disclosure includes a coil generating a magnetic field, a casing accommodating the coil, a conductive part including an input part, an output part, and a conductive pattern connecting the input part to the output part, the conductive part being provided on the casing, and electrically insulated from the casing, and a detection part electrically connected to the input part and the output part, energizing the conductive pattern via the input part and the output part, and detecting deformation in the casing based on an energized state of the conductive pattern.

Abstract: A platform performs wireless power supply to an underwater mobile object having a relatively movable relationship using coil pairs disposed to be opposable. The platform includes: a recessed section configured to accommodate at least a part of the underwater mobile object with a gap; a coil configured to constitute the first opposable coil pair (5A) on a first wall portion of the recessed section facing each other; and a coil configured to constitute the second opposable coil pair on a second wall portion of the recessed section facing each other.

Abstract: A charging control device includes a switching unit configured to be capable of switching a connection state of a battery unit including a plurality of battery modules whose number is N×M; and a controller configured to control the switching unit, wherein the controller causes the switching unit to switch the connection state from a first state in which all the battery modules are connected in series to a second state in which N groups each including M battery modules connected in series are connected in parallel when a power storage amount of the battery unit becomes equal to or larger than a first connection switching value in a first charging method in which a current supplied to each of the plurality of battery modules decreases as the power storage amount increases.

Abstract: A foreign object detection device for a wireless power transfer system includes a storage unit that stores first coil device information including a shape and a size of a first coil facing surface, a height position from the reference surface, and a height position of a first device facing surface; an information acquiring unit that acquires second coil device information including a shape, a size, and a height position of a second coil facing surface, and a height position of a second device facing surface; a region identifying unit that identifies a magnetic field generation region generated between the first device facing surface and the second device facing surface during power feeding, based on the first coil device information and the second coil device information; and a foreign object detection unit that detects the presence or absence of a foreign object within the identified magnetic field generation region.

Abstract: A ground-side power feeding device includes a ground-side power feeding coil that wirelessly transmits or receives power to or from a vehicle-side power feeding coil mounted in the vehicle via a magnetic field having a first frequency, a light emitting unit that is disposed at any position at least around the ground-side power feeding coil and in an upper portion of the ground-side power feeding coil when the ground-side power feeding coil is seen from above, and a light emitting power transmitting coil that wirelessly transmits power to the light emitting unit. The light emitting unit has a light emitting power receiving coil which wirelessly receives power from the light emitting power transmitting coil via a magnetic field having a second frequency different from the first frequency, and a light emitting body which emits light with power received by the light emitting power receiving coil.

Abstract: A coil device according to an aspect of this disclosure includes a coil portion including a conductive wire and a holding member that holds the conductive wire, and a cooling flow path through which a cooling fluid flows is provided in the holding member.

Abstract: A wireless power supply system includes: a primary power-supplying coil which is a power-supplying coil capable of wirelessly supplying electric power to another power-supplying coil; a first machine that supports the primary power-supplying coil; a secondary power-supplying coil which is a power-supplying coil wirelessly supplied with electric power from another power-supplying coil; and a second machine that can move while supporting the secondary power-supplying coil. The relative positional relationship or the relative attitudinal relationship between the first machine and the second machine can be adjusted corresponding to the movement or change in attitude of the second machine so that a state in which electric power is wirelessly supplied from the primary power-supplying coil to the secondary power-supplying coil is maintained.

Abstract: A first coil device includes a first coil portion that faces a second coil portion of a second coil device in a first direction and includes a conductive wire, and at least one nonmagnetic member that includes a protrusion protruding to an outside of the first coil portion in a second direction orthogonal to the first direction. The nonmagnetic member includes an eddy current interrupter that interrupts a part of an eddy current generated in the nonmagnetic member.

Abstract: A coil device includes a coil unit for stowing a coil part, and a heat dissipation unit thermally connected to the coil unit. The heat dissipation unit has a heat dissipation body, a heat dissipation fin movable relative to the heat dissipation body, and a fin drive mechanism for driving the heat dissipation fin. The heat dissipation unit has a heat dissipation configuration in which the heat dissipation fin projects from the heat dissipation body in a direction intersecting a winding axis, and a stowed configuration in which the heat dissipation fin is stowed in the heat dissipation body.

Abstract: According to an embodiment, a management system manages a power transmitter capable of wirelessly transmitting power to a power receiver of a movable object. The management system includes a detection unit configured to detect a state of the power transmitter, a storage unit configured to store a relationship between the state of the power transmitter and a power transmission level indicating possibility of power transmission of the power transmitter, an identification unit configured to identify the power transmission level corresponding to the state detected by the detection unit, and an output unit configured to output the identified power transmission level before the power transmitter starts transmitting power.