Sanyo Electric Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Kanto Sanyo Semiconductors Co., Ltd.

Tetsuro Sawai

Toshikazu Imaoka

Hiroyuki Matsuo

Yoichi Nishida

Masao Nishida

Hisanori Uda

Yasoo Harada

Atsushi Saita

Toshikazu Hirai

Tsutomu Yamaguchi

Makoto Tsubonoya

Kazunari Kurokawa

Takeshi Yamaguchi

Ryosuke Usui

Yasunori Inoue

Yoh Takano

Takashi Yamada

Kenichi Kobayashi

Seiichi Banba

Kiyoshi Mita

Shigeyuki Murai

Takeshi Otsuka

Satoru Sekiguchi

Kiyokazu Kamado

Kimihiko Nagami

Atsushi Nakano

Akihito Nagamatsu

Keiichi Honda

Akihiro Sato

Yoichi Nabeta

Seiichi Bamba

Haruo Nakano

Shin-ya Nakano

A power transmitting device includes a power transmitting coil for providing output power to a power receiving coil, a thermal sensor that detects a temperature around the power transmitting coil, and a power transmission control circuit that controls the power transmitting device. The power transmission control circuit causes the power transmitting coil to provide first output power, the power transmitting coil to provide second output power to the power receiving coil for charging a battery connected to the power receiving coil, the thermal sensor to detect the temperature around the power transmitting coil, and, if the detected temperature is equal to or higher than a threshold because of existing a metal foreign object, the power transmitting coil to reduce a level of the output power or stop the output power. The level of the first output power is lower than the level of the second output power.

Method for controlling power transmitting device, method for detecting foreign object, and power transmitting device in wireless power transmission system

A chargeability determining method, including before start of transmitting first electric power to a mobile object, wirelessly supplying second electric power to a charging space, detecting whether temperature in the charging space increases after the second electric power is transmitted, and before start of transmitting the first electric power, determining chargeability of the mobile object based on presence information and foreign object information. The presence information indicating whether a charging object is present in the charging space, and the foreign object information indicating whether the temperature in the charging space increases.

Chargeability presenting method and chargeability presenting system

A power transmitting device includes a power transmitting coil for providing output power to a power receiving coil, a thermal sensor that detects a temperature around the power transmitting coil, and a power transmission control circuit that controls the power transmitting device. The power transmission control circuit causes the power transmitting coil to provide first output power, the power transmitting coil to provide second output power to the power receiving coil for charging a battery connected to the power receiving coil, the thermal sensor to detect the temperature around the power transmitting coil, and, if the detected temperature is equal to or higher than a threshold because of existing a metal foreign object, the power transmitting coil to reduce a level of the output power or stop the output power. The level of the first output power is lower than the level of the second output power

A chargeability presenting method which includes before start of transmitting first electric power to an electric vehicle, wirelessly supplying second electric power to a charging space, detecting whether heat is generated by a foreign object in the charging space after the second electric power is transmitted, and before start of transmitting the first electric power, presenting chargeability information that is generated based on vehicle presence information and foreign object information, the vehicle presence information indicating whether the charging space is vacant, and the foreign object information indicating whether the heat is detected in the charging space.

A device includes a power transmitting coil that outputs power to a power receiving coil included in a mobile object, a case that includes the power transmitting coil inside thereof, a mobile member arranged on the case at a position overlapping the power transmitting coil, and a circuit that controls the power transmitting coil and the mobile member. The circuit starts to perform an operation to move the mobile member from a position overlapping the power transmitting coil to a position not overlapping the power transmitting coil before the power transmitting coil and the power receiving coil are aligned with each other, and causes the power transmitting coil to output the power to the power receiving coil.

Method for controlling power transmitting device in wireless power transmission system and power transmitting device

A method for controlling a power transmitting device includes (1) causing a power transmitting coil to output power before a power receiving coil and the power transmitting coil are electromagnetically coupled with each other and a mobile object including the power receiving coil overlaps the power transmitting coil in order for the power receiving coil and the power transmitting coil to be electromagnetically coupled with each other, (2) causing a thermal sensor to measure a surface temperature of the metal foreign object, and (3) causing, if the measured surface temperature of the metal foreign object is equal to or higher than a threshold, the power transmitting coil to reduce the power to be output or stop outputting the power.

A method of managing a vehicle parking place system having a management system apparatus which communicates with an information terminal and a vehicle parking place through a network. The method includes outputting vehicle presence information indicating whether or not a vehicle is present in a charging space included in the vehicle parking place; outputting foreign-object information indicating whether or not a foreign object is present, other than the vehicle, in a wireless power-supply region in the charging space; and presenting, in the information terminal, chargeability information that is generated based on the vehicle presence information and the foreign-object information.

A method for controlling a power transmitting device includes moving, if a mobile member holds a metal foreign object, the metal foreign object from a position overlapping a power transmitting coil to a position not overlapping the power transmitting coil by moving the mobile member from the position overlapping the power transmitting coil to a position not overlapping the power transmitting coil before the power transmitting coil begins to transmit power, causing the power transmitting coil to output the power, and moving, if another metal foreign object comes to a position overlapping the power transmitting coil when the mobile member is located at the position not overlapping the power transmitting coil, the other metal foreign object to a position not overlapping the power transmitting coil by returning the mobile member to the position overlapping the power transmitting coil in the state where the mobile member holds the foreign matter.

A method for controlling a power transmitting device is a method for detecting a metal foreign object by controlling the power transmitting device including a power transmitting coil that outputs power to a power receiving coil and a thermal sensor that measures a surface temperature of the metal foreign object on the power transmitting coil. The method includes causing the power transmitting coil to output the power before the coils are electromagnetically coupled with each other and a mobile object including the power receiving coil overlaps the power transmitting coil, causing the thermal sensor to measure the surface temperature of the metal foreign object, and transmitting, if the measured surface temperature of the metal foreign object is equal to or higher than a threshold, a signal indicating presence of the metal foreign object to another receiving apparatus, other than the power transmitting device, having a function of receiving the signal.

A chargeability presenting method that uses an information terminal having a display device and connected to vehicle parking places having charging spaces in which vehicles including an electric vehicle are parkable and chargers for wirelessly charging the vehicles are installed. The method includes a display outputting an image indicating chargeability in each vehicle parking place in a predetermined form, the image being generated based on vehicle presence information indicating whether or not a vehicle is present in each charging space and foreign-object information indicating a result of an attempt to detect a foreign object on each charger.

A first wiring layer in a circuit substrate structure is provided with a first inductor and a second inductor. A dielectric layer is provided with a first via and a second via electrically connected to the first inductor and the second inductor, respectively. A second wiring layer is provided with: a bridge electrically connecting the first via and the second via; and a conductive pattern provided around the bridge, the outer edge of the conductive pattern being located outside the outer edge of the first wiring pattern and the second wiring pattern in the first wiring layer. The bridge functions as a coplanar line and suppresses generation of electromagnetic field.

Circuit substrate structure and circuit apparatus

A semiconductor module includes: a substrate having a wiring layer; a first rectangular-shaped semiconductor device mounted on one surface of the substrate; a second rectangular-shaped semiconductor device mounted on the other surface of the substrate. The first semiconductor device is arranged such that each side thereof is not parallel to that of the second semiconductor device, and that the first semiconductor device is superimposed on the second semiconductor device, when seen from the direction perpendicular to the surface of the substrate.

Semiconductor module

A semiconductor module includes a multilayer board, a first circuit element mounted on the multilayer board, a second circuit element stacked on the first circuit element, an interposer board, provided between the first circuit element and the second circuit element, which includes an antenna conductor, a passive element, mounted on the multilayer board, which is connected to the antenna conductor, and a molded resin layer which seals the respective elements. The antenna conductor is structured by a spiral-shaped wiring pattern and the both ends of the antenna conductor are connected to the passive element via a bonding wire. The antenna conductor functions as a loop antenna with the passive element inserted.

Semiconductor module and mobile apparatus

A circuit device includes a metal substrate; and a plurality of circuit elements, mounted on the metal substrate, which electrically connects to the metal substrate. The metal substrate is made of a copper plate of high thermal conductivity. The metal substrate is demarcated into a plurality of sections by insulating films added with a filler for enhancing the thermal conductivity in resin. The circuit elements, which have respective independent operating potentials on a side of the metal substrate of the circuit elements, are respectively provided on separated copper plates.

Growing community of inventors

Hashima, Japan

Tetsuro Sawai