Patent application number | Description | Published |
20130012127 | ANTENNA DEVICE AND COMMUNICATION DEVICE - The present invention provides a communication device that can reduce a housing of an electronic device in size and thickness when the communication device is built in the electronic device. The communication device includes: an antenna coil ( | 01-10-2013 |
20130181805 | ANTENNA MODULE, COMMUNICATION DEVICE AND METHOD OF MANUFACTURING ANTENNA MODULE - A communication device that, when incorporated in an electronic device, can reduce the size and the thickness of a housing of the electronic device while maintaining communication characteristics. The communication device includes an antenna coil that is arranged on a peripheral part of a housing surface facing a reader-writer of a mobile phone, a magnetic sheet that attracts the magnetic filed transmitted from the reader-writer to the antenna coil, and a communication processing unit that is driven by a current flowing through the antenna coil and communicates with the reader-writer. The magnetic sheet is arranged to be closer to reader-writer than the antenna coil in the central part, and the antenna coil is arranged to be closer to the reader-writer on the outer periphery side, and at least a part of the conductive line of the antenna coil is superimposed in a direction orthogonal to a circuit board. | 07-18-2013 |
20140104127 | ANTENNA APPARATUS AND COMMUNICATION APPARATUS - The present invention provides an antenna apparatus which can realize favorable communication properties while achieving downsizing of a casing of an electronic device when incorporated in an electronic device. An antenna module ( | 04-17-2014 |
20140320354 | ANTENNA APPARATUS, COMMUNICATION APPARATUS, AND ANTENNA APPARATUS MANUFACTURING METHOD - An antenna apparatus, which is assembled into an electronic apparatus and made communicatable upon receipt of a magnetic field transmitted from a transmitter, includes a laminated member made by mutually superimposing an antenna coil inductively coupled to the transmitter and formed on an antenna substrate with a magnetic sheet for drawing a magnetic field transmitted from the transmitter to the antenna coil, a film-shaped protective member that covers the laminated member at least up to an end portion of the magnetic sheet, and a communication processing unit that carries out communication to and from the transmitter and is driven by an electric current flowing through the antenna coil. | 10-30-2014 |
20140320355 | ANTENNA APPARATUS AND COMMUNICATION APPARATUS - An antenna apparatus is assembled into an electronic apparatus and made communicatable upon receipt of a magnetic field transmitted from a transmitter. The antenna apparatus includes an antenna substrate having an antenna coil inductively coupled to the transmitter formed thereon and a magnetic sheet for use in drawing the magnetic field transmitted from the transmitter to the antenna coil. The magnetic sheet is inserted into a center portion of the antenna coil such that two ends of the magnetic sheet are positioned closer to the center portion than two ends of the antenna coil in an inserting direction thereof. | 10-30-2014 |
20150243442 | VARIABLE CAPACITANCE ELEMENT, PACKAGED CIRCUIT, RESONANT CIRCUIT, COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, WIRELESS CHARGING SYSTEM, POWER SUPPLY APPARATUS, AND ELECTRONIC APPARATUS - The present provides a variable capacitance element enabling a further reduction in capacitance variation among variable capacitance elements, and provides a packaged circuit including the variable capacitance element. A variable capacitance element is configured to include an element body unit, a compensation unit, a first external terminal for signals, a second external terminal for signals, external terminals for control, and external terminals for capacitance compensation. The compensation unit has second variable-capacitance capacitor units C | 08-27-2015 |
20150249282 | ANTENNA DEVICE AND ELECTRONIC APPARATUS - Provided is an antenna device that achieves good communication characteristics when incorporated into an electronic apparatus. The antenna device incorporated into an electronic apparatus and configured to communicate with an external device via an electromagnetic field signal comprises: a metal plate serving as a first electric conductor, being provided inside a casing of the electronic apparatus and facing the external device; an antenna substrate provided inside the casing of the electronic apparatus, and having an antenna coil inductively coupled to the external device and wound around thereon; and metal foil serving as a second electric conductor in sheet form, being provided inside the casing of the electronic apparatus, overlapping or being in contact with the metal plate serving as the first electric conductor, and at least partially overlapping a surface of the antenna substrate, the surface being opposite to a surface facing the external device. | 09-03-2015 |
20150280322 | MULTI-COIL MODULE AND ELECTRONIC DEVICE - The loss is reduced even when loop coils of a multi-coil module are overlaid with each other. The multi-coil module includes a first coil module, having a first magnetic sheet and a first loop coil provided on the first magnetic sheet and wound in a planar shape, and a second coil module, having a second magnetic sheet and a second loop coil provided on the second magnetic sheet and wound in a planar shape. The first coil module and the second coil module are stacked on each other, and at least an innermost coil pattern of the first loop coil and the second loop coil are overlaid with each other. The line width of the innermost coil pattern t of the first loop coil overlaid with the second loop coil is 1 mm or less. | 10-01-2015 |