Patent application number | Description | Published |
20100060534 | ANTENNA DEVICE - An antenna device includes a reflector plate, plane conductors, an antenna element, variable impedance elements, control wires and linear conductors. The plane conductors are arranged regularly on a plane which is parallel to the reflector plate. The antenna element is set on the plane, to be parallel to the reflector plate. The variable impedance elements provide a directivity to the antenna element, the directivity is radiating a wave strongly to a particular direction. Each control wire supplies a control signal to each of the variable impedance elements. Each linear conductor connects each of some plane conductors with the reflector plate. Moreover, each of the other plane conductors is connected to the reflector plate through a portion of each control wire instead of the linear conductor. | 03-11-2010 |
20120001493 | POWER TRANSMISSION SYSTEM AND POWER TRANSMISSION APPARATUS - A power transmission system includes a power transmission apparatus, a power receiving apparatus, and a foreign-substance detecting unit. The power transmission apparatus has a power transmission coil to wirelessly transmit electric power. The power receiving apparatus has a power receiving coil to wirelessly receive electric power from the power transmission apparatus. The foreign-substance detecting unit detects a foreign substance which is present between the power transmission coil and the power receiving coil. In addition, the power transmission apparatus includes a voltage supply, a power supply controller, the power transmission coil, and a first measurement unit. The power receiving apparatus includes the power receiving coil and a second measurement unit. | 01-05-2012 |
20120161544 | WIRELESS POWER TRANSMISSION DEVICE AND POWER RECEIVING DEVICE - A wireless power transmission device that supplies power to a power receiving device including a second self-resonant coil having a winding structure in which a conductive wire is wound one turn or more perpendicularly to a second central axis, the wireless power transmission device comprising: a first self-resonant coil having the winding structure in which the conductive wire is wound one turn or more perpendicularly to a first central axis to supply the power to the second self-resonant coil that is not located on the first central axis; and a third self-resonant coil having the winding structure in which the conductive wire is wound one turn or more perpendicularly to a third central axis that is not perpendicular to the first central axis and arranged on the first central axis. | 06-28-2012 |
Patent application number | Description | Published |
20090027286 | ANTENNA APPARATUS AND WIRELESS DEVICE - According to an aspect of the invention, there is provided an antenna apparatus comprising: a substrate comprising an end portion; antenna elements connected to the end portion through a connecting portion; and a conductive line path provided between adjacent antenna elements, both ends of the conductive line path connected to the end portion. A distance between both ends of the conductive line path is shorter than a quarter wavelength of an operating frequency of the antenna elements. A path difference between a first path length from an connecting portion of one of the antenna elements to an connecting portion of the other of the antenna elements through both ends of the conductive line path and a second path length from the connecting portion of one of the antenna elements to the connecting portion of the other of the antenna elements through the conductive line path is a half wavelength of the operating frequency. | 01-29-2009 |
20090247199 | RADIO POWER-FED TERMINAL, SYSTEM, AND METHOD - A power-fed terminal includes a first reception unit receiving, from another terminal, first information containing at least one frequency candidate that fails to be used by any other communication system, the frequency candidate being used for transmitting a first microwave, a second reception unit receiving the first microwave transmitted by the another terminal using the frequency candidate, a conversion unit converts an energy of the first microwave into a first DC energy, a transmission unit transmitting, to the another terminal, second information containing an optimum frequency corresponding to a maximum energy of the first DC energy, wherein the second reception unit receives a second microwave transmitted based on the second information by the another terminal, the conversion unit converts an energy of the second microwave into a second DC energy, the terminal further includes a secondary cell acquiring the second DC energy at the optimum frequency. | 10-01-2009 |
20100001857 | SITUATION RECOGNIZING APPARATUS, SITUATION RECOGNIZING METHOD, AND RADIO TERMINAL APPARATUS - A situation recognizing apparatus has a situation change detecting unit, being provided with situation information, configured to detect a situation change on the basis of the situation information, a first storage which stores the detected situation change, an input unit which is provided with a user operation, and a second storage which combines the user operation provided to the input unit with the situation change stored in the first storage and stores the combined user operation and the situation change as a unique pattern. | 01-07-2010 |
20120127042 | COMMUNICATION APPARATUS - In one embodiment, a communication apparatus includes a substrate, an antenna disposed on the substrate, a first communication part transmitting or receiving a signal at a predetermined frequency via the antenna, a first conductor plate, a terminal disposed on the substrate and connected to the first conductor plate by a conductor line, a second communication part disposed on the substrate, connected electrically to the terminal, and communicating with a communication partner via the first conductor plate, and a second conductor plate connected electrically to the conductor line and having a length of substantially ΒΌ of the wavelength of the predetermined frequency. | 05-24-2012 |
20120161532 | WIRELESS POWER TRANSMITTING DEVICE AND WIRELESS POWER RECEIVING DEVICE - A loop antenna includes: a pair of first linear elements, a feed point connected with each of the first linear elements, a first variable impedance element, one end of which is connected with one end of the first linear elements, a second variable impedance element, one end and the other end of which are electrically connected with the other end of the first variable impedance element and the other end of the first linear elements, and a second linear element, one end and the other end of which are electrically connected with the other end of the first variable impedance element and the other end of the first linear elements. A self-resonance coil receives power fed to the feed point of the loop antenna and transmits the received power to a receiving self-resonance coil. | 06-28-2012 |
20120223595 | WIRELESS POWER TRANSMISSION APPARATUS - According to one embodiment, a wireless power transmission apparatus includes a housing and a plurality of transmitting coils. The housing is capable of containing one or more power receiving apparatuses includes one or more receiving coils which receive power. The plurality of transmitting coils are provided inside the housing and are configured to transmit the power to the power receiving apparatuses by making electromagnetic coupling with the receiving coils, at least two of the plurality of transmitting coils having orientations of axes different from each other, the axes each indicating a line perpendicular to a plane which is defined by windings of a coil. | 09-06-2012 |
20130002035 | WIRELESS POWER TRANSMISSION SYSTEM, POWER TRANSMISSION APPARATUS AND POWER RECEPTION APPARATUS - According to one embodiment, a wireless power transmission system, includes a power transmission antenna and a power reception antenna. The power transmission antenna has a first resonance frequency and a first frequency bandwidth, and wirelessly transmits high-frequency energy having a first transmission frequency. The power reception antenna has a second resonance frequency and a second frequency bandwidth, and wirelessly receives the high-frequency energy. The second resonance frequency is higher than a highest frequency within the first frequency bandwidth. The first transmission frequency falls within the first frequency bandwidth. | 01-03-2013 |
20130249299 | POWER TRANSMITTING APPARATUS, POWER RECEIVING APPARATUS, CONTROL APPARATUS, AND WIRELESS POWER TRANSFER SYSTEM - There is provided a power transmitting apparatus including: a power supply, a power transmitting inductor, a mutual coupling adjusting unit and a control unit, in which the power supply supplies AC power, the power transmitting inductor transfers the AC power to a power receiving apparatus through magnetic coupling with a power receiving inductor in the power receiving apparatus, the mutual coupling adjusting unit adjusts a relative position between the power transmitting inductor and the power receiving inductor, and the control unit controls the mutual coupling adjusting unit, based on a mutual coupling coefficient between the power transmitting inductor and the power receiving inductor. | 09-26-2013 |
20130249305 | POWER TRANSMISSION APPARATUS, POWER RECEPTION APPARATUS, AND POWER TRANSMISSION METHOD - There is provided a power transmission apparatus which transmits power generated by a power source to one or more power reception apparatuses. The power transmission apparatus includes a power allocation processing unit and a power transmission unit. The power allocation processing unit allocates first resources which are parts of resources for transmitting the power to the power reception apparatuses, based on requested power of the power reception apparatuses, and allocates second resources which are resources with the exception of first resources to a power reception apparatus selected from the power reception apparatuses based on power transmission characteristics of the power reception apparatuses. The power transmission unit transmits the power to the power reception apparatuses using first resources and second resources. | 09-26-2013 |
20140167524 | WIRELESS POWER TRANSMISSION DEVICE AND METHOD THEREOF - There is provided a wireless power transmission device including: a first resonant coil, a first magnetic body and a second resonant coil in which the first resonant coil is supplied with AC energy to generate a magnetic field, the first magnetic body varies a form of the magnetic field generated by the first resonant coil, the second resonant coil couples with the magnetic field varied by the first magnetic body to receive the AC energy, and the first magnetic body is disposed between the first resonant coil and the second resonant coil. | 06-19-2014 |