Patent application number | Description | Published |
20100116543 | ELECTROMAGNETIC WAVE SUPPRESSOR AND METHOD FOR MANUFACTURING THE SAME - An electromagnetic wave suppression sheet ( | 05-13-2010 |
20100119814 | ELECTROMAGNETIC WAVE SUPPRESSION MATERIAL AND ELECTROMAGNETIC WAVE SUPPRESSION SHEET - An electromagnetic wave suppression material that has a high light transmission performance even under a low temperature environment to display a sufficient electromagnetic wave suppression effect, and an electromagnetic wave suppression sheet that has the electromagnetic wave suppression material sealed in it, are disclosed. An electromagnetic wave suppression sheet ( | 05-13-2010 |
20100139971 | ELECTROMAGNETIC WAVE SUPPRESSION SHEET, DEVICE, AND ELECTRONIC APPARATUS - Disclosed is an electromagnetic wave suppression sheet obtained by mixing metallic magnetic particles into a resin and formed into a sheet shape. In the electromagnetic wave suppression sheet, a coercive force is 320 [A/m] or more and a saturation magnetization is 0.35 [Wb/m | 06-10-2010 |
20110234014 | Antenna module and electronic apparatus - Provided is an antenna module including: an antenna coil having a first pattern width; a magnetic sheet, which includes a first surface on which the antenna coil is to be arranged, and has a first distance being a distance on the first surface between an edge of the first surface and the antenna coil, the first distance being twice or more as large as the first pattern width; and a conductor, which includes a second surface on which the magnetic sheet is to be arranged while a surface opposite to the first surface of the magnetic sheet faces the second surface, and has a second distance being a distance on the second surface between an edge of the second surface and the antenna coil, the second distance being equal to or larger than the first distance. | 09-29-2011 |
20120062435 | MAGNETIC SHEET, ANTENNA MODULE, ELECTRONIC APPARATUS, AND MAGNETIC SHEET MANUFACTURING METHOD - A magnetic sheet for use with an antenna module is provided. The magnetic sheet may have a magnetically permeable layer having a plurality of randomly shaped pieces such that the magnetic sheet is configured to affect a resonance frequency of the antenna module. At least one of the randomly shaped pieces of the magnetic sheet does not have a rectangular or triangular shape. | 03-15-2012 |
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 |