Abstract: A spark plug comprising: a center electrode extending along an axis; an insulator provided about the outer peripheral surface of the center electrode; a metal shell provided about the outer peripheral surface of the insulator; a noble metal tip provided at the leading end portion of the center electrode; one end of the ground electrode fixed at the leading end of the metal shell, and the other end of the ground electrode forming a gap with the leading end of the noble metal tip; a stopper preventing the noble metal tip from moving relative to the central electrode; a molten portion formed by irradiating laser or electron beam; and a closed space formed between the basal portion of the noble metal tip and the center electrode. The molten portion welds the center electrode and a part of the basal portion of the noble metal tip.

Abstract: A contactless power feeding system includes a power transmitting device including a power transmitting unit and a power receiving device including a power receiving unit, and allows the power transmitting and receiving units to electromagnetically resonate with each other to supply electric power contactlessly. The power receiving device includes a power storage device for storing therein the electric power received by the power receiving unit, and a light emitting unit receiving the electric power received by the power receiving unit and emitting light, and varying in brightness according to the electric power received. The received electric power varies according to a positional displacement between the power transmitting unit and the power receiving unit. The user can recognize the positional displacement from information relevant to the brightness of the light emitting unit.

Abstract: A resonance type non-contact power supply system is provided that includes power supplying equipment and an electric vehicle. The power supply equipment includes an alternating-current power source and a primary-side resonance coil for receiving power from the alternating-current power source. The electric vehicle includes power receiving equipment and a vehicle height control device mounted on the electric vehicle. The power receiving equipment includes a secondary-side resonance coil that receives power from the primary-side resonance coil, a rectifier that rectifies the power received by the secondary-side resonance coil, and an electrical storage device, to which the power rectified by the rectifier is supplied. A resonance system that includes the primary-side resonance coil and the secondary-side resonance coil is configured such that impedance thereof is adjusted by the use of the vehicle height control device when the electrical storage device is charged.

Abstract: A conductive terminal includes a connecting portion in which a plurality of wires each having a rectangular cross section are to be arranged in parallel and to which the wires are to be electrically connected. The connecting portion has a structure to cover the wires. The connecting portion includes a position regulation member to regulate positions of the wires in an arrangement direction in which the wires are arranged. The position regulation member is provided to face at least one side surface of a wire located at an end of the wires in the arrangement direction.

Abstract: An electrical powered vehicle is equipped with a coil unit capable of receiving electric power from a facility self-resonant coil external to the vehicle. The electrical powered vehicle includes: a pair of side members aligned in a widthwise direction of the vehicle and extending in a fore-aft direction of the vehicle; a vehicle self-resonant coil coupled with the facility self-resonant coil resonantly via an electromagnetic field to be capable of at least one of transmitting electric power and receiving electric power; and a vehicle capacitor provided to the vehicle self-resonant coil between the paired side members.

Abstract: A PC executes a program including a step of selecting an exchange electric storage device with the shortest charging history when a charging request is present, inventory of exchange electric storage devices with completed charging is available, the number of inventory days is equal to or less than A days, and the sufficient number of storage locations is ensured, a step of selecting an exchange electric storage device with the longest charging history when the sufficient number of storage locations is not ensured, and a step of executing charging control when the selected exchange electric storage device is connected to a charger.

Abstract: An imaging device for capturing an image of an imaging object that is an artificial food mass, in which a light-transmissive microparticle is contained in a base material having a property of blocking infrared light, includes imaging means for capturing the image of the imaging object from one side; and an infrared light source that emits infrared light on the imaging object from the other side of the imaging object. The imaging means includes visible-light removing means for not receiving visible light. The imaging means captures the image of the imaging object while the infrared light source emits the infrared light on the imaging object. The device can accurately count the number of “microparticles not finely crushed or ground” by a computer or the like.

Abstract: A vehicle that includes a power receiving portion that contactlessly receives electric power from a power transmitting portion provided outside the vehicle includes a floor panel that forms a bottom face of the vehicle; and a battery that is provided on a lower face of the floor panel. The power receiving portion is provided on the lower face of the floor panel. When an image of the power receiving portion is projected horizontally from a location that is horizontally spaced apart from the power receiving portion toward the battery, at least part of the image of the power receiving portion is projected onto the battery.

Abstract: Power supply equipment (10) is provided with an AC power supply (11) and a primary-side resonance coil (13b). Movable body equipment (20) is provided with a secondary-side resonance coil (21b), which receives power from the primary-side coil, a rectifier (23), which rectifies the received power, a charger (24) to which the rectified power is supplied, and a secondary battery (25), which is connected to the charger. A primary matching unit (12) is provided between the AC power supply (11) and the primary-side resonance coil (13b). A secondary matching unit (22) is provided between the secondary-side resonance coil (21b) and the rectifier (23). A control unit is provided to either the power supply equipment (10) or the movable body equipment (20). The control unit controls a primary matching unit adjustment unit (14) and a secondary matching unit adjustment unit (26).

Abstract: A power supply device supplies electric power to a power receiving device including a power receiving unit in a non-contact manner. The power supply device includes a power source device that generates electric power with a predetermined frequency; a power transmitting unit that receives the electric power from the power source device, and that resonates with the power receiving unit through an electromagnetic field, thereby transmitting the electric power to the power receiving unit in the non-contact manner; a detection device that detects reflected electric power to the power source device; a communication device that receives information regarding a power receiving situation in the power receiving device; and a control device that controls electric power transmission from the power transmitting unit based on the information regarding the power receiving situation and the reflected electric power.

Abstract: A power supplying equipment includes an alternating-current power source and a primary-side resonance coil. A movable body equipment includes a secondary-side resonance coil a rectifier, and a secondary battery to which the power rectified by the rectifier is supplied. The power supplying equipment further includes a primary matching unit provided between the alternating-current power source and the primary-side resonance coil, and a primary matching unit adjusting section for adjusting the primary matching unit. The primary matching unit adjusting section adjusts the primary matching unit only at times other than when detecting the distance between the primary-side resonance coil and the secondary-side resonance coil.

Abstract: A vehicle parking assist system includes: a camera; a first vehicle guiding section that recognizes the position of a power transmitter external to a vehicle based on the image obtained via the camera to guide the vehicle to the power transmitter; a power receiver that receives electric power from the power transmitter in a non-contact manner; and a second vehicle guiding section that guides the vehicle based on the electric power received by the power receiver. The control section executes a process of stopping the vehicle when the electric power received by the power receiver from the power transmitter does not satisfy a first condition, even after the control section has caused the vehicle driving section to move the vehicle beyond a predetermined distance after the first vehicle guiding section becomes unable to detect the position of the power transmitter based on the image.

Abstract: Movable body equipment is provided with: a secondary-side resonance coil, which receives power from a primary-side resonance coil of power supply equipment; a rectifier, which rectifies the power received by the secondary-side resonance coil; and a secondary battery, to which to which the power rectified by the rectifier is supplied. A resonance-type non-contact power supply system is provided with: state of charge detection units, which detect the state of charge of the secondary battery; and an impedance estimation unit, which estimates an impedance estimation value for the secondary battery on the basis of the state of charge of the secondary battery. When the absolute value of the difference between the impedance estimation value and the current impedance value of the secondary battery exceeds a threshold, a determination unit determines that a foreign body is present between the primary-side resonance coil and the secondary-side resonance coil.

Abstract: A power feeding system is provided, in which a detected value of reflected power at a power supply device in a power feeding installation is sent from the power feeding installation to a vehicle via a first communication device, the vehicle has an impedance matching device for adjusting an impedance at a resonance system that is constituted of a power transmission resonator, including a primary self-resonant coil and a primary coil in the power feeding installation, and a power receiving resonator, including a secondary self-resonant coil and a secondary coil in the vehicle, and the impedance matching device is controlled based on the detected value of the reflected power at the power supply device, which has been received from the power feeding installation.

Abstract: Power reception equipment (20) is provided with: a secondary side resonance coil (21b) which receives power from a primary side resonance coil (13b) of power supply equipment (10); and a rectifier (23) which rectifies the received power. The power reception equipment is further provided with: a secondary matching unit (22) which is provided between the secondary side resonance coil (21b) and the rectifier (23); a charger (24) to which rectified electric power is supplied; a power storage device (25) which is connected to the charger; and a control unit (26) which adjusts the secondary matching unit when the power storage device is being charged. The control unit stores, as data on a storage device (33), the relationship between the charge power from the power supply equipment during the power ascension phase and the matching status of the secondary matching unit (22) when charging.

Abstract: A non-contact power reception system comprising movable body equipment including a secondary-side coil for receiving, in a non-contact manner, electric power from a primary-side coil, which receives electric power from an AC power source, a rectifier, which rectifies electric power received by the secondary-side coil, and an electrical storage device, which is connected to rectifier, wherein the movable body equipment includes a matching unit located between the secondary-side coil and the rectifier, and the non-contact power reception system is configured to bring the matching unit into a mismatch state when electric power is being received from the primary-side coil in a state in which the movable body equipment should refuse power reception.

Abstract: A method for manufacturing an ignition plug is provided. The method includes: preparing an insulator having a cavity provided at a leading end portion thereof by disposing a leading end of a center electrode more inwards in an axial hole than a leading end of the insulator; building the insulator in an interior of a metal shell; disposing a ground electrode at a leading end portion of the metal shell; positioning a center of a through hole of the ground electrode and a center of the cavity of the insulator; and welding the ground electrode and the metal shell together after the positioning step.

Abstract: To provide a control circuit of power supply unit, power supply unit and control method thereof capable of setting and adjusting a voltage value of output voltage flexibly corresponding to an instruction from outside, a voltage adjusting portion AD for adjusting first voltage setting information inputted from outside to real voltage information is provided and the voltage value of the output voltage of the power supply unit is controlled based on real voltage information outputted from the voltage adjusting portion AD. The first voltage setting information inputted from outside enables a desired output voltage to be set up by adjusting the real voltage information flexibly even if information relating to the setting of voltage set as output voltage to an external device which is a supply destination is different from actually necessary voltage value.

Abstract: A seat belt buckle device in which the jumping or roll-over height of a counterweight is decreased allowing the seat belt buckle device to be reduced in size. The seat belt buckle device includes an outer case into which a tongue plate is inserted, a latch member that latches the tongue plate, a slideable release button, and a counterweight that resists sliding of the release button. The counterweight includes a shaft that engages a bearing groove formed in the release button and receives the force that rotates the counterweight due to the sliding of the release button. The rotating shaft has a recessed portion in its outer circumferential surface with this portion being configured to come into contact with the bearing groove of the release button when the release button slides into the outer case.

Abstract: A vehicle parking assist system includes: a camera; a first vehicle guiding section that recognizes the position of a power transmitter external to a vehicle based on the image obtained via the camera to guide the vehicle to the power transmitter; a power receiver that receives electric power from the power transmitter in a non-contact manner; and a second vehicle guiding section that guides the vehicle based on the electric power received by the power receiver. The control section executes a process of stopping the vehicle when the electric power received by the power receiver from the power transmitter does not satisfy a first condition, even after the control section has caused the vehicle driving section to move the vehicle beyond a predetermined distance after the first vehicle guiding section becomes unable to detect the position of the power transmitter based on the image.