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| Number | Title | Issue Date |
| 8138987 | 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... | 03/20/2012 |
| 8098211 | Antenna structure and radio communication apparatus including the same A feed radiation electrode functioning as an antenna is capable of performing radio communication in two different frequency bands, a lower frequency band and a higher frequency band, defined in advance for radio communication. The feed radiation electrode has a loo... | 01/17/2012 |
| 7898494 | Locating technique and apparatus using an approximated dipole signal Location determination is performed using a transmitter including an elongated generally planar loop antenna defining an elongation axis. The elongation axis is positioned along at least a portion of a path. A magnetic field is then generated which approximates a di... | 03/01/2011 |
| 7750866 | Diversity antenna assembly for wireless communication equipment An antenna assembly for wireless communication equipment comprises an antenna structure comprising at least a loop type antenna arranged to deliver a first current when it is used in a balanced mode and/or a second current when it is used in an unbalanced mode with ... | 07/06/2010 |
| 7742009 | 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... | 06/22/2010 |
| 7728785 | Loop antenna with a parasitic radiator It is an objective of the present invention to provide an antenna construction that allows the thickness of an antenna structure be lower than that of planar antennas according to prior art without sacrificing the radiation efficiency at the desired RF-bands as 900 ... | 06/01/2010 |
| 7639201 | 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 ante... | 12/29/2009 |
| 7573436 | Compact radio frequency transmitting and receiving antenna and control device employing same An electrical control device for controlling the status of a controlled electrical device, the electrical control device comprising a power conducting semiconductor device for controlling the status of the controlled electrical device; a control circuit; a transmitt... | 08/11/2009 |
| 7548216 | Compact radio frequency transmitting and receiving antenna and control device employing same An antenna operable to transmit or receive radio frequency signals at a specified frequency, the antenna comprising a first printed circuit board comprising a first loop of conductive material having a capacitance and an inductance, the capacitance and the inductanc... | 06/16/2009 |
| 7453414 | Broadband omnidirectional loop antenna and associated methods The biconical loop antenna is the dual and compliment to the biconical dipole antenna, and has broadband omnidirectional horizontally polarized radiation. The antenna includes a conductive antenna body having first and second opposing ends with a medial portion ther... | 11/18/2008 |
| 7443359 | Locating technique and apparatus using an approximated dipole signal Location determination is performed using a transmitter including an elongated generally planar loop antenna defining an elongation axis. The elongation axis is positioned along at least a portion of a path. A magnetic field is then generated which approximates a di... | 10/28/2008 |
| 7443300 | Antennas for object identifiers in location systems Transmitters or object identifiers are discloses that are able to radiate consistent power regardless of the object where the transmitters or object identifiers are placed. The transmitter or object identifier may include a vertical loop antenna. The loop plane of t... | 10/28/2008 |
| 7427965 | Multiple band capacitively-loaded loop antenna A multiple band capacitively-loaded magnetic dipole antenna includes a plurality of magnetic dipole radiators connected to a transformer loop where the magnetic dipole radiators include at least one capacitively-loaded magnetic dipole radiator. The transformer loop ... | 09/23/2008 |
| 7425894 | Security element for radio frequency identification A security element for RF identification and a process for the production of such a security element. The security element has a flexible, electrically non-conducting substrate layer and a conductive layer of an electrically conducting material which is applied to t... | 09/16/2008 |
| 7414587 | Antenna in a wireless system The present invention provides apparatuses and methods for an antenna in a wireless receiving system. The antenna includes an opened segmented component that is electrically coupled to a printed circuit board and a capacitive top loaded component that provides a cap... | 08/19/2008 |
| 7408524 | Loop antenna A loop antenna providing a reception performance equivalent to a patch antenna receiving a circularly polarized wave, simple in configuration, and kept low in cost, which forms a loop element and a parasitic element provided independently of this loop element on the... | 08/05/2008 |
| 7408525 | Compact radio frequency transmitting and receiving antenna and control device employing same An antenna operable to transmit or receive radio frequency signals at a specified frequency, the antenna comprising a first printed circuit board comprising a first loop of conductive material having a capacitance and an inductance, the capacitance and the inductanc... | 08/05/2008 |
| 7397441 | Antenna element for a portable communication device The present invention relates to an antenna element for a portable communication device as well as to a portable communication device including such an antenna element. The antenna element includes a wire of an electrically conducting material having a first and a s... | 07/08/2008 |
| 7385561 | Multiple monopole antenna The present invention seeks to provide a multiple monopole antenna including a looped conductor having at least two conductive arms extending therefrom and a common feed point located on the looped conductor. ... | 06/10/2008 |
| 7375626 | Arrangement of a magnetic coupling coil and a transponder circuit on a vehicle wheel The arrangement of a magnetic coupling coil (2) and a transponder circuit (1) on a vehicle wheel (5) allows wireless data communication with an interrogation circuit (3) arranged on a fixed structure of the vehicle on which the wheel is m... | 05/20/2008 |
| 7373713 | Wave antenna wireless communication device and method A wireless communication device coupled to a wave antenna that provides greater increased durability and impedance matching. The wave antenna may be in the form of a polygonal, elliptical curve and/or coil shape. The wireless communication device is coupled to the w... | 05/20/2008 |
| 7372417 | Wideband antenna A wideband antenna has: a rectangular conductor sheet; a bow-tie-shaped slit formed in the rectangular conductor sheet, the rectangular conductor sheet having two apex portions defined by the bow-tie-shaped slit, the two apex portions being opposite to each other in... | 05/13/2008 |
| 7365697 | Card type wireless device, antenna coil, and method for manufacturing communication module An antenna coil includes: an air-core type flat coil body; a coil case; and a reinforce frame. The coil case has a ring shape, which corresponds to the coil body. The coil case includes a coil accommodation space. The coil case further includes a coil side terminal.... | 04/29/2008 |
| 7362285 | Compact radio frequency transmitting and receiving antenna and control device employing same A compact antenna for use in a device for controlling the power delivered to an electric load and operable to transmit or receive radio frequency signals at a specified frequency is presented. The antenna comprises a first loop of conductive material having a capaci... | 04/22/2008 |
| 7362278 | GPS-equipped meter A versatile GPS-equipped meter includes a GPS antenna and a GPS processing circuit in an existing meter unit. Posture adjusting members are provided that have different shapes according to an attachment angle θ of a GPS-equipped meter to a vehicle body frame are ap... | 04/22/2008 |
| 7362284 | Multipolarization radiating device with orthogonal feed via surface field line(s) A radiating device for an antenna comprises a first ground plane comprising a surface electric field main feed line, a second ground plane substantially perpendicular to the first ground plane and comprising electromagnetic coupling means fed orthogonally by a first... | 04/22/2008 |
| 7358901 | Antenna system and apparatus An antenna design is provided. In one embodiment, the antenna is a planar element with a radiating element containing an elliptical curved portion connected to two curved regions, the curved regions meeting at a geometric construct. Another embodiment provides an an... | 04/15/2008 |
| 7355556 | Antenna and electronic device An antenna includes a rod-like core configured by an amorphous metal formed into a bulk configuration, and a coil wound around the core. An electronic device includes a case encasing the antenna, a sectional area of each longitudinal end portion of the core being la... | 04/08/2008 |
| 7353590 | Method of forming printed circuit card A method of forming a printed circuit card with a metal power plane layer between two photoimageable dielectric layers is provided. Photoformed metal filled vias and plated through holes are in the photopatternable material, and signal circuitry is on the surfaces o... | 04/08/2008 |
| 7345644 | Antenna device, and method of manufacturing antenna device A loop antenna device includes a loop antenna having a high noise resistance performance. In a loop antenna having a shield member covering a looped conductor portion formed in a loop shape from a conductive wire, a non-covered portion where the looped conductor por... | 03/18/2008 |
| 7342500 | Compact microstrip transponder antenna A transponder formed on a circuit substrate having a longitudinal axis and a transverse axis. An antenna is disposed on one side of a transverse axis, extending in a longitudinal direction, and the remaining circuit components are disposed on the other side of the t... | 03/11/2008 |
| 7342539 | Wideband loop antenna The present invention relates to a wireless communication device and an antenna arrangement in such a device, where a loop antenna element (18) comprises: a first section (20) provided in and extending a length in first plane, a second section (22 | 03/11/2008 |
| 7339546 | Contactless reading system for chip cards placed on objects A contactless reading system, wherein a chip card is fixed on a planar support of an object such as a book (11) for identification by means of the data contained in the chip card, and a mobile reader (16) provided with an antenna in order to read the d... | 03/04/2008 |
| 7333786 | Relaying apparatus and communication system A relaying device for providing optimum communication between a non-contact information medium and an information read/write device, and a communication system employing the relaying device, in which the adverse effect on communication, brought about by limitations ... | 02/19/2008 |
| 7333069 | Radiating element designed to operate in a small antenna The present invention relates to a radiating element designed to operate in an electrically small antenna including a conducting strip folded N times like a bellows. ... | 02/19/2008 |
| 7333057 | Stacked patch antenna with distributed reactive network proximity feed A stacked patch antenna including a distributed reactive network proximity feed, preferably implemented in a microstrip metallization network, coupled to an active antenna patch element to feed the active antenna patch element to emit a field to parasitically stimul... | 02/19/2008 |
| 7327320 | Broadband antenna arrangement The invention relates to a compact and robust broadband antenna, for the frequency range from about 800 MHz up to 9 GHz, in particular, for use on railways. The antenna includes a monopole antenna element, extending in a longitudinal direction essentially parallel t... | 02/05/2008 |
| 7323994 | RFID tag An RFID tag which has improved radiation/reception characteristics when used in proximity to the human body, and has an antenna which, when stacked with a 13 MHz band RFID tag, does not have an effect on the loop antenna of that tag. An RFID tag assembly comprises a... | 01/29/2008 |
| 7322833 | Connection of FPC antenna to PCB A flexible printed circuit (FPC) onto which an antenna has been formed is electrically connected to a printed circuit board (PCB) by sandwiching the FPC between the PCB and a resilient biasing member that is held in position relative to the PCB by a frame or retaini... | 01/29/2008 |
| 7321337 | Electronic device having metal package unit having built-in antenna unit An electronic device an antenna, an information processing apparatus for the purpose of processing information captured by the antenna, and a metal exterior parts capable of housing therewithin the antenna and the information processing apparatus, wherein the metal ... | 01/22/2008 |
