Patent application number | Description | Published |
20120086556 | WIRELESS IC TAG, READER-WRITER, AND INFORMATION PROCESSING SYSTEM - A wireless IC tag includes a wireless IC chip and two coil-shaped antennas. One end of each of the coil-shaped antennas is electrically connected to the wireless IC chip, and the other ends of the coil-shaped antennas are electrically connected to each other. The winding axes of the coil-shaped antennas are arranged at different positions, and the coil-shaped antennas have the same winding direction. A reader-writer includes an antenna connected to an information processing circuit. The antenna is electromagnetically coupled to the coil-shaped antennas for communication. | 04-12-2012 |
20120092222 | ANTENNA AND ANTENNA MODULE - An antenna includes a flexible sheet that includes a first main surface including a first coil electrode located thereon and a second main surface including a second coil electrode located thereon. The first and second coil electrodes are wound in opposite directions when viewed from different directions. A first end of the first coil electrode faces a first end of the second coil electrode through the flexible sheet. Similarly, a second end of the first coil electrode faces a second end of the second coil electrode through the flexible sheet. The first and second coil electrodes define an inductor, the first ends of the first and second coil electrodes define a capacitor, and the second ends of the first and second coil electrodes define a capacitor whereby a resonant antenna is provided. | 04-19-2012 |
20120098728 | ANTENNA MODULE - An antenna includes a flexible sheet, a first coil electrode located on a first main surface of the flexible sheet and a second coil electrode located on a second main surface of the flexible sheet. A base film is arranged on the first main surface of the flexible sheet and a wireless communication IC is mounted on the base film. Two input/output terminals of the wireless communication IC are connected to coupling electrodes. A first coupling electrode opposes one end portion of the first coil electrode with the base film disposed therebetween. A second coupling electrode opposes one end of the second coil electrode with the base film, a central electrode and the flexible sheet disposed therebetween. | 04-26-2012 |
20120098729 | ANTENNA AND ANTENNA MODULE - An antenna includes a flexible sheet, a first coil electrode being formed on a first main surface of the flexible sheet and a second coil electrode being formed on a second main surface of the flexible sheet. Another end portion of the first coil electrode and another end portion | 04-26-2012 |
20120169472 | COMMUNICATION TERMINAL AND INFORMATION PROCESSING SYSTEM - An information processing system includes a reader/writer, a communication terminal, and a wireless IC tag. The communication terminal includes an electric field antenna including a coupling portion that defines a magnetic field antenna, and the antenna portion is housed in a pen-shaped casing. The antenna portion is coupled to an electric field antenna of the reader/writer through an electric field, and the coupling portion is coupled to the wireless IC tag through a magnetic field. The reader/writer communicates with the wireless IC tag as a result of the coupling portion being brought close to the wireless IC tag. | 07-05-2012 |
20120182128 | COMMUNICATION TERMINAL AND INFORMATION PROCESSING SYSTEM - An information processing system includes a reader/writer, a communication terminal, and a wireless IC tag. The communication terminal includes an electric field-type first antenna unit, a magnetic field-type second antenna unit, and a connection unit electrically connecting the first and second antenna units and to each other, and is housed within a pen housing. The first antenna unit is coupled to an antenna of the reader/writer through an electric field, and the second antenna unit is coupled to the wireless IC tag through a magnetic field. By causing the second antenna unit to be adjacent to the wireless IC tag, the reader/writer and the wireless IC tag communicate with each other. | 07-19-2012 |
20120206239 | RFID SYSTEM - An RFID system includes an antenna of a reader/writer and an antenna of an RFID tag. Transmission and reception of a high-frequency signal of a UHF band is performed between the antenna of the reader/writer and the antenna of the RFID tag that are arranged so as to be adjacent to each other. A loop antenna including a loop conductor is used as the antenna of the reader/writer, and coil antennas including a plurality of laminated coil conductors are used as the antenna of an RFID tag. In addition, the conductor width of the loop conductor in the loop antenna is greater than the conductor widths of the coil conductors in the coil antennas. | 08-16-2012 |
20120267438 | WIRELESS IC DEVICE AND COMPONENT FOR WIRELESS IC DEVICE - A wireless IC device includes a cutout portion having no aluminum-deposited film that is provided at an end of an article package made of an aluminum-deposited laminated film, and an electromagnetic coupling module is provided at the cutout portion. The electromagnetic coupling module and the aluminum-deposited film of the package define a wireless IC device. A loop electrode, which is a magnetic field transmission auxiliary radiator of the electromagnetic coupling module, is coupled to the aluminum-deposited film of the package. Thus, the article package functions as a radiator of an antenna. | 10-25-2012 |
20120306719 | COMPOSITE PRINTED WIRING BOARD AND WIRELESS COMMUNICATION SYSTEM - A composite printed wiring board includes a parent board and a child board that is mounted on the parent board. A wireless IC element that processes a high-frequency signal, a loop-shaped electrode that is coupled to the wireless IC element, and a first radiator that is coupled to the loop-shaped electrode are provided on the child board. A second radiator that is coupled to the loop-shaped electrode via an electromagnetic field is provided on the parent board. | 12-06-2012 |
20130112754 | READER/WRITER ANTENNA MODULE AND ANTENNA DEVICE - A reader/writer antenna module includes a flexible substrate that includes a first base portion, a second base portion and a bending portion that connects the first base portion and the second base portion to each other. The flexible substrate has a structure that is folded by utilizing the flexibility of the bending portion such that a first main surface of the first base portion and a first main surface of the second base portion face each other, and a magnetic layer is provided between an antenna conductor and the chip component in the folded structure. | 05-09-2013 |
20130186961 | WIRELESS COMMUNICATION DEVICE - A wireless communication device includes a wireless IC chip that processes a high-frequency signal and a feeding substrate including a coil conductor, a plane conductor, and a matching circuit that is connected to the wireless IC chip and that has a predetermined resonant frequency. The coil conductor and the plane conductor are connected to the matching circuit. The wireless communication device, when used by itself, operates as a monopole antenna in which the plane conductor functions as a ground and the coil conductor functions as a radiation element. When a conductive object is in a vicinity of the plane conductor, the plane conductor is coupled to the conductive object, and the wireless communication device operates as a dipole antenna in which the plane conductor and the conductive object function as a first radiation element and the coil conductor functions as a second radiation element. | 07-25-2013 |
20130194149 | WIRELESS COMMUNICATION DEVICE - A compact wireless communication includes a first radiating element and a second radiating element, which define and function as a dipole antenna, a feeder circuit including a wireless IC chip coupled with the first and second radiating elements, and a feeder substrate that is provided with the wireless IC chip. The first radiating element is provided to the feeder substrate. The second radiating element is provided to a substrate other than the feeder substrate. | 08-01-2013 |
20130214049 | WIRELESS IC DEVICE AND COMPONENT FOR WIRELESS IC DEVICE - A wireless IC device includes a cutout portion having no aluminum-deposited film that is provided at an end of an article package made of an aluminum-deposited laminated film, and an electromagnetic coupling module is provided at the cutout portion. The electromagnetic coupling module and the aluminum-deposited film of the package define a wireless IC device. A loop electrode, which is a magnetic field transmission auxiliary radiator of the electromagnetic coupling module, is coupled to the aluminum-deposited film of the package. Thus, the article package functions as a radiator of an antenna. | 08-22-2013 |
20130229319 | ANTENNA DEVICE AND COMMUNICATION TERMINAL APPARATUS - An antenna device includes a base including a planar conductor disposed thereon, and a coil antenna. The coil antenna includes a coil conductor wound around a magnetic core. The coil antenna is arranged such that a coil opening of the coil conductor is closed to an edge of the planar conductor. A current passing through the coil conductor induces a current in the planar conductor. Thus, a first magnetic flux occurs in the coil antenna, and a second magnetic flux occurs in the planar conductor. Therefore, a third magnetic flux occurs in an area of the planar conductor. Accordingly, the antenna device achieves a small footprint, a small-sized communication terminal apparatus and a desired communication distance. | 09-05-2013 |
20130260803 | WIRELESS COMMUNICATION SYSTEM - A wireless communication system includes a plurality of communication devices, and a communication terminal that is a separate structure from the plurality of communication devices. Each of the communication devices includes a coupling portion to be coupled with the communication terminal, a power source, and a signal processing section arranged to process a signal received and a signal to be sent. The communication terminal includes neither a power source nor a signal processing section, and the communication terminal includes a coupling portion to be coupled with the coupling portion of each of the communication devices, an antenna arranged to send and receive radio waves, and a connector arranged to connect the coupling portion and the antenna to each other. | 10-03-2013 |
20140043196 | ANTENNA DEVICE, WIRELESS COMMUNICATION DEVICE, AND METHOD OF MANUFACTURING ANTENNA DEVICE - In an antenna device, first linear portions of a coil conductor are located on a lower surface of a first resin sheet. Second linear portions of the coil conductor are located on an upper surface of a second resin sheet. Via conductors of the coil conductor are formed in the first and second resin sheets and intermediate resin sheets located between the first and second resin sheets. The via conductors connect a first end and a second end of the first linear portions and a first end and a second end of the second linear portions, respectively. The first and second linear portions and the via conductors define the coil conductor. Each of the intermediate resin sheets includes an aperture in the center portion thereof. The lamination of the apertures defines a cavity in which a magnetic substance core is embedded. The coil conductor is wound around a periphery of the cavity. | 02-13-2014 |
20140071017 | WIRELESS COMMUNICATION DEVICE - A wireless communication device includes a wireless IC chip that processes a high-frequency signal and a feeding substrate including a coil conductor, a plane conductor, and a matching circuit that is connected to the wireless IC chip and that has a predetermined resonant frequency. The coil conductor and the plane conductor are connected to the matching circuit. The wireless communication device, when used by itself, operates as a monopole antenna in which the plane conductor functions as a ground and the coil conductor functions as a radiation element. When a conductive object is in a vicinity of the plane conductor, the plane conductor is coupled to the conductive object, and the wireless communication device operates as a dipole antenna in which the plane conductor and the conductive object function as a first radiation element and the coil conductor functions as a second radiation element. | 03-13-2014 |
20140166764 | WIRELESS COMMUNICATION DEVICE - A wireless communication device includes a wireless IC chip that processes a high-frequency signal and a feeding substrate including a coil conductor, a plane conductor, and a matching circuit that is connected to the wireless IC chip and that has a predetermined resonant frequency. The coil conductor and the plane conductor are connected to the matching circuit. The wireless communication device, when used by itself, operates as a monopole antenna in which the plane conductor functions as a ground and the coil conductor functions as a radiation element. When a conductive object is in a vicinity of the plane conductor, the plane conductor is coupled to the conductive object, and the wireless communication device operates as a dipole antenna in which the plane conductor and the conductive object function as a first radiation element and the coil conductor functions as a second radiation element. | 06-19-2014 |
20140217183 | ANTENNA DEVICE AND COMMUNICATION APPARATUS - An antenna device is configured as a jacket of a communication terminal, such as a mobile terminal, and a communication apparatus includes the antenna device attached to the communication terminal. The antenna device uses an HF-band high frequency signal as a carrier frequency, and is configured as a reader/writer antenna device for a near field communication system. The base body of the antenna device is a plate-shaped base member made of a resin. An antenna coil and a feeding coil are provided integrally with the plate-shaped base member. High-frequency signals are transmitted between the feeding coil and the antenna coil through magnetic coupling in a non-contact manner. | 08-07-2014 |
20140246504 | ANTENNA DEVICE, CARD-TYPE COMMUNICATION DEVICE, AND COMMUNICATION TERMINAL APPARATUS - An antenna device includes an antenna resonance circuit connected to a power supply circuit and a variable-frequency resonance element including a resonance circuit which is coupled with the antenna resonance circuit via an electromagnetic field. The resonant frequency of the resonance circuit is variable within a predetermined frequency band. | 09-04-2014 |
20140247192 | WIRELESS COMMUNICATION MODULE AND COMMUNICATION TERMINAL APPARATUS INCORPORATING THE SAME - A wireless communication module includes a multilayer structure including a magnetic block and at least one non-magnetic layer stacked on the magnetic block, the magnetic block including at least one magnetic layer, at least one inductor element disposed at the magnetic block, and an antenna coil disposed at the non-magnetic layer so as to overlap the inductor element in a planar view along a stacking direction of the non-magnetic layer with respect to the magnetic block, wherein the magnetic layer is present between the inductor element and the antenna coil. | 09-04-2014 |
20140253404 | ANTENNA DEVICE AND RADIO COMMUNICATION APPARATUS - An antenna device includes a multilayer body including magnetic layers or dielectric layers that are stacked, a first coil conductor that has a winding axis extending in a direction perpendicular or substantially perpendicular to a stacking direction of the multilayer body, the first coil conductor being provided in the multilayer body, and a second coil conductor that has a winding axis extending in a direction perpendicular or substantially perpendicular to the winding axis of the first coil conductor, the second coil conductor being provided in the multilayer body. | 09-11-2014 |
20140375876 | CAMERA MODULE - A camera module includes an image sensor IC, a resin multilayer board including thermoplastic resin layers stacked in a direction perpendicular or substantially perpendicular to a light receiving surface of the image sensor IC, a mounting electrode which is stacked on the thermoplastic resin layer and on which the image sensor IC is mounted, and a via-hole conductor electrically connected to the mounting electrode. The resin multilayer board includes a flat plate portion including a surface on which the mounting electrode is mounted, and a rigid portion including a greater number of thermoplastic resin layers than that of the flat plate portion, and the via-hole conductor is arranged in the flat plate portion so as to avoid the thermoplastic resin layer on which the mounting electrode is stacked. | 12-25-2014 |
20150015345 | HIGH-FREQUENCY SIGNAL TRANSMISSION LINE AND ELECTRONIC DEVICE - A dielectric element assembly includes a plurality of dielectric layers stacked on each other in a direction of lamination and extends in an x-axis direction. A signal line is provided in the dielectric element assembly and extends in the x-axis direction. A reference ground conductor is provided on a positive side in a z-axis direction relative to the signal line. An auxiliary ground conductor is provided on a negative side in the z-axis direction relative to the signal line. Via-hole conductors connect the reference ground conductor and the auxiliary ground conductor and are provided in the dielectric element assembly on the negative side relative to the center in a y-axis direction. A portion of the signal line in a section which includes the via-hole conductors is positioned on the positive side in the y-axis direction relative to another portion of the signal line in a section which does not include the via-hole conductors. | 01-15-2015 |
20150054601 | HIGH-FREQUENCY SIGNAL LINE AND MANUFACTURING METHOD THEREOF - In a high frequency signal line, a first signal line extends along a first dielectric element assembly, a first reference ground conductor extends along the first signal line, a second signal line is provided in or on the second dielectric element assembly and extends along the second dielectric element assembly, a second reference ground conductor is provided in or on the second dielectric element assembly and extends along the second signal line. A portion of a bottom surface at an end of the first dielectric element assembly and a portion of the top surface at an end of the second dielectric element assembly are joined together such that a joint portion of the first and second dielectric element assemblies includes a corner. The second signal line and the first signal line are electrically coupled together. The first and second reference ground conductors are electrically coupled together. | 02-26-2015 |
20150070577 | CAMERA MODULE - A camera module includes an imaging function section, a connector forming section, and a connecting section combined in a laminated body. The connecting section is thinner than the imaging function section and is bendable. The imaging function section includes a cavity and a through hole. An image sensor IC is disposed within the cavity. A lens unit is mounted in the imaging function section to be optically coupled to the image sensor IC via the through hole. A light shielding member covers a boundary between the connecting section and the imaging function section that define a height difference. | 03-12-2015 |