| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 343866000 | Loop type | 50 |
| 20110205140 | VARIABLE PITCH MANDREL WOUND ANTENNAS AND SYSTEMS AND METHODS OF MAKING SAME - A system and method for fabricating a mandrel wound antenna are provided. The method includes securing a first end of a wire to a first portion of a mandrel tool, where the mandrel tool includes a faceplate supporting a plurality of posts, and the posts arranged and disposed to define non-overlapping circumferential patterns. The method also includes wrapping the wire around outer peripheries of the plurality of posts to form non-overlapping wire coils around the plurality of circumferential patterns to provide an antenna. The method further includes securing a second end of the wire to a second portion of the mandrel tool, cutting the wire in proximity to the second end, attaching the antenna to a substrate separate from the faceplate, and detaching the antenna from the faceplate. | 08-25-2011 |
| 20090121964 | ANTENNA DEVICE, RADIO TAG READER AND ARTICLE MANAGEMENT SYSTEM - There is provided with an antenna device includes; a first antenna element which is either a spiral antenna element or a loop-like antenna element; and a first feed point provided at a first end of the first antenna element, the first end being an outer end of the spiral antenna element or an one end of the loop-like antenna element, wherein a length from an second end of the first antenna element to the first end of the first antenna element along the first antenna element is about one half wavelength of operating frequency, the second end being an inner end of the spiral antenna element or the other end of the loop-like antenna element. | 05-14-2009 |
| 20100053019 | Artificial medium, its manufacturing method, and antenna device - An artificial medium on which two or more conductive surfaces are provided in a thickness direction, the conductive surface being provided with conductive elements in a two-dimensional periodic array, wherein when an electromagnetic wave propagated in parallel to the thickness direction is incident on the artificial medium, a current excited by the electromagnetic wave increases in an operation frequency, and a current loop is formed in a surface parallel to the thickness direction is provided. | 03-04-2010 |
| 20130082895 | Antenna Structures with Molded and Coated Substrates - Electronic devices may be provided with antenna structures. The antenna structures may be used in wirelessly transmitting and receiving radio-frequency signals. Antenna structures may be formed from molded dielectric substrates. Patterned conductive material may be formed on the dielectric substrates. The dielectric substrates may be formed from molded materials such as glass or ceramic. Sheets of dielectric or dielectric powder may be compressed to form a dielectric substrate of a desired shape. The patterned conductive material may be formed from metallic paint or other conductors. A hollow antenna chamber may be formed by joining molded dielectric structures. An antenna such as an indirectly-fed loop antenna or other antennas may be formed from the molded dielectric substrates and patterned conductors. | 04-04-2013 |
| 20130069843 | Method of Operation of a Multi-Layer-Multi-Turn Structure for High Efficiency Wireless Communication - A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. | 03-21-2013 |
| 20130069844 | ANTENNA FOR AN NFC DEVICE - An antenna for near-field communication, comprising at least four turns and having an outside periphery and an inside periphery both of substantially rectangular shape. An inter-turn distance separates two adjacent turns. Each turn has a width substantially equal to the inter-turn distance. In addition, the inside periphery has: (i) a length less than 7 times the distance between the outside periphery and the inside periphery along a longitudinal axis of said antenna, and (ii) a width less than 4 times the distance between the outside periphery and the inside periphery along a lateral axis of said antenna. | 03-21-2013 |
| 20130099994 | ANTENNA APPARATUS AND COMMUNICATION TERMINAL INSTRUMENT - In an antenna apparatus, a first current is induced in a first booster conductor by a current flowing through a coil conductor of a power feed antenna, and the first current circulates along a circumference of the first booster conductor. A second current is induced in a second booster conductor by the current flowing through the coil conductor of the power feed antenna, and the second current circulates along a circumference of the second booster conductor. A third current is induced in the first booster conductor by the second current flowing through the second booster conductor, and the third current circulates along the circumference of the first booster conductor. Thus, the antenna apparatus is much less influenced by nearby metallic objects and a shape of an included radiation plate may be more freely determined without requiring a highly accurate positional relationship between the radiation plate and the coil conductor. | 04-25-2013 |
| 20090096705 | Antenna Device - An antenna device includes: a winding component having an approximately cylindrical shaped winding shaft portion and a flange portion disposed to project outside the winding shaft portion in at least one end portion of both end portions in an axial direction of the winding shaft portion; a pair of binding terminals disposed to project outside the flange portion in at least one of the flange portions; and a winding both ends of which are bound to the pair of binding terminals. The flange portion on which the binding terminals are disposed has an approximate disk shape. At least one binding terminal is disposed to be oriented along a direction approximately perpendicular to an outer periphery of the flange portion on which the binding terminal is disposed. | 04-16-2009 |
| 20100194659 | MULTIPART ANTENNA WITH CIRCULAR POLARIZATION - An antenna apparatus has a first antenna branch and a second antenna branch. Both the first and the second antenna branch are in the form of a conductor loop which is not closed, and the first antenna branch is arranged at a distance from the second antenna branch in a direction which is substantially at right angles to the surface bounded by the respective conductor loop, such that the first loop direction, which is defined from the foot point to the free end of the first antenna branch, is arranged in the opposite direction to the second loop direction, which is defined from the foot point to the free end of the second antenna branch. | 08-05-2010 |
| 20090295673 | RADIOFREQUENCY DEVICE - The present invention relates to a radiofrequency device ( | 12-03-2009 |
| 20090295672 | ANTENNA AND METHOD OF FORMING SAME - An antenna and methods for manufacturing the antenna is provided. The antenna ( | 12-03-2009 |
| 20090096706 | IC Tag - According to the present invention, there is disclosed an antenna circuit characterized by comprising:
| 04-16-2009 |
| 20090102741 | ANTENNA FOR THE PLUG-IN DUAL-INTERFACE SMART CARD - An antenna for the non-contact interface of a plug-in dual-interface smart card, wherein the plug-in smart card includes a card module and chip base, the antenna includes a substrate, antenna loop fixed on the first surface of the substrate, and the first and second pins of the antenna, wherein the substrate comprises a structure to cooperate with the card module, the first and second contact points on the second surface, and the first and second vias. The first and second contact points and structure cooperating with the card module are arranged on the substrate on the position corresponding to the contact points of the plug-in smart card. The first and second antenna pins connect with the first and second contact points via the first and second vias. | 04-23-2009 |
| 20090213027 | METHODS OF CONNECTING AN ANTENNA TO A TRANSPONDER CHIP - An antenna wire ( | 08-27-2009 |
| 20100156749 | ANTENNA DEVICE AND METHOD OF MANUFACTURING THE SAME - A signal transmitting/receiving antenna device for Radio Frequency Identification (RFID) which executes contactless data communication, and a method of manufacturing the same. The antenna device includes an antenna module including a dielectric film substrate, an antenna pattern which is a conductive pattern printed on the top and bottom sides of the dielectric film substrate, the top and bottom antenna pattern parts being Connected to each other through one or more via holes extending through the dielectric film substrate, and top and bottom passivation layers formed on the dielectric film substrate to cover the top and bottom antenna pattern parts; and a radio wave absorbent printed on one of the top and bottom passivation layers of the antenna module. | 06-24-2010 |
| 20110043430 | MANUFACTURE OF A SMART CARD - Methods for manufacturing a smart card inlay. In a first embodiment, the method includes initially connecting a first end ( | 02-24-2011 |
| 20090184880 | Ultra Wideband Loop Antenna - An ultra wideband loop antenna having a planar antenna element defining an at least semi-elliptical perimeter having a major axis, a minor axis and a center. There is also an elongated, contiguous discontinuity in the antenna element that is symmetric about the antenna element minor axis, entirely located within the antenna element, and defining a discontinuity feed end located on the minor axis and spaced from one side of the antenna element perimeter by an element feed width, and further defining an opposed discontinuity ground end located on the minor axis and spaced from the opposing side of the antenna element perimeter by an element ground width, to define an antenna element ground portion, wherein the feed width is greater than the ground width. The antenna also has a feed region connecting the feed end of the discontinuity to the perimeter, to define antenna element feed ends that are adjacent to the feed region. | 07-23-2009 |
| 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 |
| 20100013732 | COMPACT MULTIBAND ANTENNA - An antenna, including a dielectric carrier having a bounding surface, and a conductive monopole resonant at a first frequency, the monopole having at least one conducting section mounted on the bounding surface. The antenna further includes a labyrinthine conductive coupling element mounted on the bounding surface so as to encompass the dielectric carrier. The coupling element is located with respect to the conductive monopole so as to transfer from the conductive monopole a second frequency lower than the first frequency. | 01-21-2010 |
| 20120249396 | WIRELESS COMMUNICATIONS DEVICE INCLUDING SIDE-BY-SIDE PASSIVE LOOP ANTENNAS AND RELATED METHODS - A wireless communications device may include a housing, and wireless communications circuitry carried by the housing. The wireless communications device may also include an antenna assembly carried by the housing and coupled to the wireless communications circuitry. The antenna assembly may include a substrate and a plurality of passive loop antennas carried by the substrate and arranged in side-by-side relation. Each of the plurality of spaced apart passive loop antennas may include a passive loop conductor and a tuning element coupled thereto. The antenna assembly may also include an active loop antenna carried by the substrate and arranged to be at least partially coextensive with each of the plurality of passive loop antennas. The active loop antenna may include an active loop conductor and a pair of feedpoints defined therein. | 10-04-2012 |
| 20100007575 | COUPLED-LOOP CHIP ANTENNA - A loop antenna for communication is provided, which includes a microwave substrate, being a hexahedron; a first conductive layer, disposed on an upper surface of the substrate for forming a first loop; a second conductive layer, disposed on a first side surface of the substrate, and electrically connected to a feed-in point and a ground point; and a third conductive layer, disposed on a lower surface of the substrate for forming a second loop. The first conductive layer and the second conductive layer are electrically connected at the junction between the upper surface and the first side surface, and the second conductive layer and the third conductive layer are electrically connected at the junction between the first side surface and the lower surface. The antenna also has an appropriate bandwidth for wireless communication application. | 01-14-2010 |
| 20120326941 | Capacitive Loop Antenna and Electronic Device - A capacitive loop antenna is disclosed. The capacitive loop antenna comprises a shorting-to-ground terminal, for providing grounding, a feeding terminal, for receiving a first radio frequency feeding signal, and a first capacitive loop. The first capacitive loop comprises a first connection element, a first radiator, comprising an end electrically connected to the feeding terminal via the first connection element, to feed the first radio frequency feeding signal to the first radiator, a second connection element, and a second radiator, comprising an end electrically connected to the shorting-to-ground terminal via the second connection element. A first section of another end of the first radiator is capacitively coupled with the second radiator. | 12-27-2012 |
| 20120081261 | LOOP-TYPE ANTENNA - An antenna interacting with a signal having a frequency is provided. The antenna includes a radiation element having a hollow portion having an angle corner related to the frequency, and including a first inner edge; a second inner edge, wherein the angle corner is formed by the first inner edge and the second inner edge; a third inner edge connected to the second inner edge; a first outer edge; and a second outer edge, wherein the first outer edge and the second outer edge form a first included angle. | 04-05-2012 |
| 20110309995 | PROTECTIVE CIRCUIT MODULE AND SECONDARY BATTERY PACK INCLUDING THE SAME - A protective circuit board including a layered insulating substrate, a printed circuit pattern disposed within the insulating substrate, and a loop antenna electrically connected to the printed circuit pattern. Ends of the loop antenna can be inserted into the insulating substrate and connected to the printed circuit pattern. Portions of the printed circuit pattern may extend out of the insulating substrate, and may be connected to the loop antenna. The protective circuit board can be included in a secondary battery pack comprising a secondary battery. The loop antenna can be adhered to the secondary battery. | 12-22-2011 |
| 343867000 | Plural; plural or tapped coils | 22 |
| 20090121965 | SPHERICAL ANTENNA - An antenna comprises a first circular coil, a second circular coil, and a third circular coil, and a housing unit including a sending/receiving interrogator chip. The first, second, and third coil are each connected to the housing unit at two points on each of the first, second, and third coil, and the first, second, and third coil are connected substantially in parallel. | 05-14-2009 |
| 20130038503 | NON-CONTACT COMMUNICATION DEVICE - Provided is a non-contact communication device including an antenna configured to transmit data through non-contact communication after load-modulation of an RF signal from a reader/writer (R/W), wherein the antenna includes: a standard coil having an aperture with a predetermined size; and a small coil having an aperture with a size smaller than a size of the standard coil, wherein the standard coil and the small coil are connected in series or in parallel, and the small coil is arranged such that the aperture of the small coil overlaps a winding part of a coil that is an antenna of the R/W when the non-contact communication device is caused to face the R/W by matching a predetermined position of the non-contact communication device with a reference position of the R/W determined in advance as a position with which the predetermined position of the non-contact communication device is to be matched. | 02-14-2013 |
| 20120182199 | MULTI-ANTENNA LOOP LAYOUT - A multi-antenna loop layout which comprises an array of physical antenna loops, each antenna loop comprising first and second conductive ends. Each conductive end of each antenna loop in the array is coupled to an electrically common contact point that is electrically in common with one or more conductive ends of a subset of other antenna loops in the array. The cumulative total of electrically common contact points, each common contact point being shared by two or more conductive ends of two or more antenna loops in the array, equals a first value T, the first value T being equal to the sum of a second plural value M and a third plural value N. The number of physical antenna loops is equal to at least the product of M and N, and may be as great as T*(T−1)/2. | 07-19-2012 |
| 20120182198 | FM Transmission Using A RFID/NFC Coil Antenna - An antenna radiating element is arranged as at least one coil and defines a first feed port and a second feed port at its opposed ends. There is a third feed port disposed along the antenna radiating element substantially at a radio frequency effective symmetry point between the first and the second radio feed ports. The first and second feed ports are for interfacing a first radio (e.g., RFID/NFC radio) to the antenna radiating element, and the third feed port is for interfacing a second radio (e.g., FM-TX) to the antenna radiating element. The antenna radiating element is configured to function simultaneously as a balanced coil antenna with respect to the first radio and as two parallel half-loop antennas with respect to the second radio. | 07-19-2012 |
| 20090309803 | COIL PARTS - The invention provides a coil part used for an antenna coil that improves the production rate and enhances its sensitivity. A coil part used in a antenna coil has a cross shape core that includes: a first winding frame part extending a first direction and being provided with a coil, and a second winding frame part extending a direction crossing the first direction and being provided with a coil. A first core including the first winding frame part is interlocked with a second core including the second winding frame part. | 12-17-2009 |
| 20090115682 | ANTENNA COIL - The present invention provides an antenna coil capable of attaining high sensitivity by increasing a core length, the number of turns of wound coil or a coil length without increasing the antenna coil size. | 05-07-2009 |
| 20110006967 | CHIP CARRIER FOR A TRANSPONDER MODULE AND TRANSPONDER MODULE - The present invention relates to a chip carrier ( | 01-13-2011 |
| 20090160724 | Polarization agile antenna - A compact polarization agile antenna includes a dual-orthogonal loop structure which is excited by a single RF feed ( | 06-25-2009 |
| 20090160725 | Co-located transmit-receive antenna system - A transceiver antenna system comprising at least one solenoid receive antenna and at least one transmitting loop antenna, the at least one solenoid receive antenna being located with its axis in the plane of a transmitting loop antenna and located inside the loop. | 06-25-2009 |
| 20120194404 | APPARATUS FOR WIRELESS COMMUNICATION COMPRISING A LOOP LIKE ANTENNA - Apparatus ( | 08-02-2012 |
| 20100309088 | Near Field Communication - Apparatus including: an antenna configured for efficient far field communication at a first frequency; an inductive element including a plurality of series-connected coiled portions, including a first coiled portion and a second coiled portion, wherein the inductive element is configured to provide near field communication at a second frequency; and at least one reactive element parallel connected between the first coiled portion and the second coiled portion, wherein the at least one reactive element has a lower impedance at the first frequency than at the second frequency. | 12-09-2010 |
| 20090027296 | ANTENNA ASSEMBLY - An antenna assembly includes an antenna. The antenna assembly includes at least one interrupted loop or rod of electrically conducting material and a printed circuit board (PCB). At least a part of the PCB together with the at least one interrupted loop or rod of electrically conducting material forms the antenna. | 01-29-2009 |
| 20090146902 | Loop-Type Antenna and Antenna Array - A loop-type antenna for radio frequency identification includes a main body and a feed portion. The main body includes a loop member and at least one pair of coupled sections. The loop member has at least one gap. Each of the coupled sections is connected with one end of corresponding one of the at least one gap. The pair has identical extension direction. The feed portion is electrically connected with the loop member in the manner that the loop member is symmetrical in terms of the feed portion. An antenna array for radio frequency identification also is provided. | 06-11-2009 |
| 20080252551 | COIL ANTENNA AND PORTABLE ELECTRONIC APPARATUS - Coil units including windings are disposed on opposite sides across a virtual center line that is substantially perpendicular to a direction of positional displacement of a portable electronic apparatus that is to be disposed close to a reader/writer. The windings are connected in series through a conductor such that winding directions of the windings are the same. A difference in the communication performance between a case where the portable electronic apparatus is brought closer to a central portion of the reader/writer and a case where the portable electronic apparatus is brought closer to a position that is deviated from the central portion of the reader/writer can be reduced. In particular, even in a case where the portable electronic apparatus is brought closer to a peripheral portion of the reader/writer, a predetermined maximum possible communication range can be ensured. | 10-16-2008 |
| 20080252550 | DUAL-POLARIZED, MULTIPLE STRIP-LOOP ANTENNA, AND ASSOCIATED METHODOLOGY, FOR RADIO DEVICE - A dual-polarized antenna, and an associated methodology, is provided for a radio device, such as a mobile station. The antenna is formed of a plurality of loop strips disposed upon a substrate. The loop strips are configured into a pair of L-cornered loops, with the loops sharing a shared set of loop strips. A loop strip of the shared set provides a single feed connection, positioned to permit symmetrical excitation of the antenna. | 10-16-2008 |
| 20110043431 | ANTENNA ARRANGEMENT HAVING AT LEAST TWO DECOUPLED ANTENNA COILS; RF COMPONENT FOR NON-CONTACT TRANSMISSION OF ENERGY AND DATA; ELECTRONIC DEVICE HAVING RF COMPONENT - There is provided an antenna arrangement for RF systems. An exemplary antenna arrangement comprises at least two antenna coils that are installed on a flat, non-conductive carrier. The first antenna coil as well as the second antenna coil comprise one or more windings that are applied onto the carrier. The antenna coils are arranged in at least two different layers that are one above the other and that do not touch each other. The first antenna coil is of a first quality and the second antenna coil is of a second quality. The first antenna coil is arranged so as to be offset with respect to the second antenna coil in such a way that the mutual inductance between the two antenna coils is minimized. | 02-24-2011 |
| 20100194660 | PROXIMITY ANTENNA AND WIRELESS COMMUNICATION DEVICE - A proximity antenna includes a wiring pattern wound in a predetermined direction in a horizontal plane from a signal end to a ground end and a wiring pattern wound in a direction opposite to the predetermined direction in a horizontal plane from a signal end to a ground end, in which the wiring pattern and the wiring pattern are apposed in a vertical direction. The characteristics of a spiral coil having several turns can be thus obtained by a one-turn wiring width, and an installation space for other components, larger than a conventional installation space, can be therefore secured. | 08-05-2010 |
| 20120038538 | ANTENNA DEVICE - An antenna device includes: a plurality of loop metal wires that form loops out of metal wires and that are radially arranged around a center line; a power feeding portion that feeds power to the loop metal wires or a power receiving portion that receives power from the loop metal wires and that is provided on the center line; and a variable impedance element that is inserted in each of the loop metal wires. | 02-16-2012 |
| 20120001823 | Multilayer Film Element - The invention relates to a multilayer film element ( | 01-05-2012 |
| 20100277393 | DUAL LOOP MAGNETIC EXCITATION FOR MAIL TAG - A logistical passage measurement system comprising an excitation unit having dual loop antennae, and a control box for exciting said antennae in order to generate a non-zero magnetic field at each point and each orientation in an immediate vicinity of said antennae. | 11-04-2010 |
| 20120112980 | Antenna Arrangement and a Portable Radio Communication Device Comprising Such An Antenna Arrangement - According to various aspects, exemplary embodiments are provided of multiple-turn loop antenna arrangements or assembly. An exemplary embodiment of an antenna assembly generally includes a multiple-turn loop element arranged in a first layer and a planar element arranged in a second layer. The first and second layers are arranged in parallel and the multiple-turn loop element is arranged on top of the planar element. The multiple-turn loop element has a thickness in the order of or more than the skin depth at a first frequency band for the multiple-turn loop antenna and the planar element has a thickness in the order of or less than the skin depth at a second higher frequency band. | 05-10-2012 |
| 20120154246 | RFID READER AND RFID SYSTEM - The invention relates to an RFID reader having a transmitting antenna ( | 06-21-2012 |
| 343870000 | With connector or terminals | 4 |
| 20120162043 | MULTIBAND ANTENNA - A multiband antenna includes a feed unit, a first transceiving unit, a second transceiving unit, and a resonance unit. The first transceiving unit and the second transceiving unit cooperatively form a loop. When feed signals are input to the feed unit, the feed signals are respectively transmitted through the first transceiving unit and the second transceiving unit to enable the first transceiving unit and the second transceiving unit to respectively receive and send wireless signals of different frequencies, and the resonance unit is driven to resonate and cooperate with the first transceiving unit and the second transceiving unit to respectively form additional antenna members, such that the multiband antenna is capable of receiving and sending wireless signals in more than two frequency bands. | 06-28-2012 |
| 20110050535 | ANTENNA, ANTENNA UNIT, AND COMMUNICATION DEVICE USING THEM - An antenna has a base substrate | 03-03-2011 |
| 20110267254 | RFID TRANSPONDER ANTENNA - An RFID transponder antenna has a carrier substrate and an auxiliary substrate. The carrier substrate is provided with a contact point for a first connection to an integrated circuit, and a first conductor path including at least two coil turns. A first end of the path forms a contact terminal for a second connection to the integrated circuit. The other end forms a connection point for an electrical connection to a second conductor path. The second path on the auxiliary substrate forms a bridge over the coil turns. The second conductor path has one end connected to the contact point, and another end connected to the connection point providing a permanent connection between the auxiliary substrate and/or the first conductor path, and the carrier substrate and/or second conductor path; the permanent connection being formed at least at one point lying between both ends of the auxiliary substrate. | 11-03-2011 |
| 20110050536 | Low-Profile Tunable Wide-Range Loop-Slot Antenna - The Loop-Slot Antenna design provides a large range of tunable frequencies for transceiving while maintaining a small profile perfect for mounting on vehicles or other objects where a large antenna is impractical or infeasible. As compared with known vertical polarization antennas that have considerable height, for instance quarter-wave and half-wave vertical stubs of h=λ/4 or h=λ/2, the antenna of this invention has height of h=λ/100. | 03-03-2011 |
