| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 343725000 | Plural separate diverse type | 63 |
| 20120032861 | Diversity fin antenna - A fin-type planar antenna and a deployable dipole antenna are combined into a system as a diversity fin antenna to reduce or eliminate cross polarization fades and dropouts common to wireless audio systems used in theatres, churches and convention centers. A dual feedline connects the diversity fin antenna system to a diversity-equipped receiver in a convenient and rapid manner. The antenna system features broad bandwidth, resistance to deep nulls or fades caused by cross polarization, and an air space dielectric covering provides resistance to detuning in the presence of rain, or touching objects. | 02-09-2012 |
| 20110279338 | TRIPLE-BAND ANTENNA AND METHOD OF MANUFACTURE - A triple-band antenna for transmitting and receiving low-frequency band signals and high-frequency band signals. The triple-band antenna includes a printed antenna having two wings for transmitting and receiving low-frequency signals; and an antenna array including a plurality of radiating elements being printed on one of the wings of the printed antenna, wherein the antenna array transmits and receives the high-frequency band signals, wherein one of the wings of the printed dipole is a ground for the antenna array. | 11-17-2011 |
| 20120098719 | HANDHELD DEVICE WITH TWO ANTENNAS, AND METHOD OF ENHANCING THE ISOLATION BETWEEN THE ANTENNAS - The invention relates to a handheld device comprising a first antenna ( | 04-26-2012 |
| 20090273529 | MULTIPLE ANTENNA ARRANGEMENT - An antenna arrangement having a ground plane ( | 11-05-2009 |
| 20090273528 | POLARIZATION DIVERSITY MULTI-ANTENNA SYSTEM - The invention relates to a polarization diversity multi-antenna system comprising a first slot type antenna ( | 11-05-2009 |
| 20110199271 | PORTABLE DUAL-BAND ANTENNA - An antenna provides two antenna elements, which are connected to one another. The second antenna element can be connected to a radio device. The first antenna element and the second antenna element together form a first antenna part. The second antenna element alone forms a second antenna part. The first antenna element comprises at least in part at least one flexible metal strip. The second antenna element comprises at least in part a flexible corrugated tube. | 08-18-2011 |
| 20080291098 | Coverage antenna apparatus with selectable horizontal and vertical polarization elements - An antenna apparatus comprises selectable antenna elements including a plurality of dipoles and/or a plurality of slot antennas (“slot”). Each dipole and/or each slot provides gain with respect to isotropic. The dipoles may generate vertically polarized radiation and the slots may generate horizontally polarized radiation. Each antenna element may have one or more loading structures configured to decrease the footprint (i.e., the physical dimension) of the antenna element and minimize the size of the antenna apparatus. | 11-27-2008 |
| 20110140977 | COMPACT DUAL-MODE UHF RFID READER ANTENNA SYSTEMS AND METHODS - The present disclosure relates to compact, dual-mode ultra high frequency (UHF) radio frequency identification (RFID) reader antenna systems and methods capable of supporting both long range and short range applications. The present invention includes a dual-mode antenna design, a dual-mode RFID reader utilizing the dual-mode antenna design, and an associated usage method. The dual-mode antenna design may include a patch operating mode for long range applications and a slot operating mode for short range applications. Additionally, the dual-mode antenna design may include mechanisms to improve the patch operating mode bandwidth, circular polarization in the patch operating mode, and dual polarization in the slot operation mode. | 06-16-2011 |
| 20110227801 | HIGH ISOLATION MULTI-BAND ANTENNA SET INCORPORATED WITH WIRELESS FIDELITY ANTENNAS AND WORLDWIDE INTEROPERABILITY FOR MICROWAVE ACCESS ANTENNAS - A high isolation multi-band antenna includes a housing, at least one WiMAX antenna array installed inside the housing, at least one Wi-Fi antenna installed inside the housing, and a printed circuit board installed inside the housing for processing signals accessed through the at least one WiMAX antenna and the at least one Wi-Fi antenna. The at least one Wi-Fi antenna is substantially orthogonal to the at least one WiMAX antenna. | 09-22-2011 |
| 20100188303 | COUPLED MULTIBAND ANTENNA - Free space antenna structures are presented in which multiple radiating elements are disposed proximate to each other. In a structure containing two radiating elements, the radiating element of shorter wavelength is split into a monopole and a dipole that are electrically, but not physically, coupled to each other. The monopole has a length of λ/4 and is attached to the same feed as the longer wavelength radiating element. The dipole has a length of λ/4 and is attached to the same feed as the longer wavelength radiating element. Non-conductive shields prevent contact between the monopole, dipole, and longer wavelength radiating element. The longer wavelength radiating element is formed in a helix outside of which the dipole, and perhaps monopole, is disposed. | 07-29-2010 |
| 20100253584 | Antenna apparatus - An antenna apparatus includes a housing defining a plurality of walls and a plurality of included angle spaces between the walls. An inner surface of one of the walls is configured a telecommunication antenna. One of the included angle spaces opposite to the wall on which the telecommunication antenna is configured a global positioning system antenna. A broadcast receiving antenna positions in the housing and between the telecommunication antenna and the global positioning system antenna. Because the telecommunication antenna and the global positioning system antenna position away from each other, the interference therebetween will be reduced. | 10-07-2010 |
| 20080231527 | DUAL CONNECTOR FOR AN ANTENNA ELEMENT - Two connection interfaces are combined in a single assembly for high frequency signal propagation of a GPS antenna. At least one connection interface is a constant impedance connector. The connector assembly allows for the application of o-rings and gaskets to be placed circumferentially about the radome to protect against environmental elements, mechanical shock and vibration. The first connection interface has a male plug on a first piece of a dual connector design, and a complementary female plug on a second piece. The second connection interface comprises a plug of any standard industry connector mounted on the second piece opposite the complementary female plug, and is configured to easily mate to a corresponding plug from a cable or other electronic equipment. | 09-25-2008 |
| 20090066594 | Antenna module - An antenna module including a ground plate, a first radiating body and a second radiating body is provided. The first radiating body is disposed above the ground plate for receiving or transmitting a first signal emitted from at least an artificial satellite. The second radiating body is disposed between the ground plate and the first radiating body for receiving or transmitting a second signal emitted from various directions. | 03-12-2009 |
| 20110043420 | COMPOSITE ANTENNA DEVICE - A composite antenna device whose size is reduced while reception performance of a patch antenna is maintained is provided. | 02-24-2011 |
| 20100265147 | ANTENNA APPARATUS - An antenna apparatus that can suppress sensitivity degradation as much as possible to receive AM broadcasts and FM broadcasts even if an antenna height is decreased to 70 mm or less. An antenna board is vertically mounted on a planar antenna base, and a top portion is disposed to stride over the antenna board. An antenna element includes the top portion and an antenna pattern formed on the antenna board. A distance between the antenna base and a lower edge of the top portion is not less than 10 mm, and the lower edge of the top portion is bent downward. The top portion is configured such that an antenna capacitance of the antenna element becomes about 3 pF or more. A received signal from the antenna element is guided to an amplifier board through a connecting wire and amplified. An antenna case is fitted in the antenna base. | 10-21-2010 |
| 20100214184 | ANTENNA DEVICES AND SYSTEMS FOR MULTI-BAND COVERAGE IN A COMPACT VOLUME - A multi-band antenna device includes a primary antenna with a helical component and a folded component. A wire is formed in a helix to construct the helical component and a wire is formed in a folded-over fashion to form the folded component. The folded component is disposed inside the helix. The helical component and folded component may be formed with separate wires or as one continuous wire. The primary antenna is for resonating in multiple frequency bands including a first frequency band correlated with the helical component and a second frequency band correlated with the folded component. A secondary antenna may be included to provide diversity and possibly other frequency bands. The secondary antenna includes a planar inverted F antenna. | 08-26-2010 |
| 20110187616 | COMPOSITE ANTENNA DEVICE - There is provided a composite antenna device for responding to waves in a plurality of radio frequency bands, including: a sheet of conductor plate; a first antenna provided on the sheet of conductor plate for responding to a linearly-polarized wave in at least one radio frequency band; and a second antenna provided on the sheet of conductor plate for responding to a circularly-polarized wave in a radio frequency band that is different from the at least one radio frequency band, wherein the first antenna has a ground portion, the second antenna is formed in an area in the ground portion, and each of the first antenna and the second antenna has a feeding point. | 08-04-2011 |
| 20120098720 | Hybrid Antennas for Electronic Devices - A portable electronic device is provided that has a hybrid antenna. The hybrid antenna may include a slot antenna structure and an inverted-F antenna structure. The slot antenna portion of the hybrid antenna may be used to provide antenna coverage in a first communications band and the inverted-F antenna portion of the hybrid antenna may be used to provide antenna coverage in a second communications band. The second communications band need not be harmonically related to the first communications band. The electronic device may be formed from two portions. One portion may contain conductive structures that define the shape of the antenna slot. One or more dielectric-filled gaps in the slot may be bridged using conductive structures on another portion of the electronic device. A conductive trim member may be inserted into an antenna slot to trim the resonant frequency of the slot antenna portion of the hybrid antenna. | 04-26-2012 |
| 20110140978 | Antenna device - An antenna device includes a ground plate, a dielectric body disposed at an end of the ground plate, an L-shaped foldable antenna disposed at one side of the dielectric body, a wide-band monopole antenna disposed at an opposite side of the dielectric body, and a power supply disposed between the L-shaped foldable antenna and the wide-band monopole antenna. | 06-16-2011 |
| 20120154230 | MULTI-BAND ANTENNA - A multi-band antenna includes a feed-in section, a loop conductor, a first conductor arm, a second conductor arm, and a third conductor arm. The feed-in section includes a feed-in point for feeding of signals. The loop conductor extends from the feed-in section and has a grounding point disposed adjacent to the feed-in point. The first conductor arm is configured to resonate in a first frequency band and extends from the feed-in section. The second conductor arm is configured to resonate in a second frequency band and extends from the feed-in section. The third conductor arm is configured to resonate in a third frequency band and extends from the feed-in section. At least one of the loop conductor, the first conductor arm, the second conductor arm, and the third conductor arm is bent so as to be disposed in different planes. | 06-21-2012 |
| 20080278391 | DUAL-BAND ANTENNA - Dual-band antenna including a shorted loop slot antenna and a spiral antenna. | 11-13-2008 |
| 20120206308 | ANTENNA APPARATUS AND DUAL-MODE INTELLIGENT TERMINAL - Embodiments include an antenna apparatus having a CELL/GPS antenna, located at a short-side of a mainboard of a dual-mode intelligent terminal and configured to receive or transmit EV-DO signals, to receive GPS signals, and to transmit received signals to a CELL/GPS dual-frequency device. The CELL/GPS dual-frequency device is configured to transmit the received EV-DO and GPS signals to an EV-DO module and a GPS module, respectively. A GSM antenna, located at the other short-side of the mainboard of the dual-mode intelligent terminal, is connected with a GSM module, and configured to receive or transmit GSM signals. Embodiments further include a WiFi/BT antenna, located at a long-side of the mainboard of the dual-mode intelligent terminal, connected with a WiFi module and a BT module, and configured to receive or transmit WiFi signals or BT signals. The disclosure also discloses a dual-mode intelligent terminal. Such embodiments can avoid interference among antennae. | 08-16-2012 |
| 20120026048 | CLUTCH BARREL ANTENNA FOR WIRELESS ELECTRONIC DEVICES - Wireless portable electronic devices such as laptop computers are provided with antennas. An antenna may be provided within a clutch barrel in a laptop computer. The clutch barrel may have a dielectric cover. Antenna elements may be mounted within the clutch barrel cover on an antenna support structure. There may be two or more antenna elements mounted to the antenna support structure. These antenna elements may be of different types. A first antenna element for the clutch barrel antenna may be formed from a dual band antenna element having a closed slot and an open slot. A second antenna element for the clutch barrel antenna may be formed from a dual band antenna element of a hybrid type having a planar resonating element arm and a slot resonating element. Flex circuit structures may be used in implanting the first and second antenna elements for the clutch barrel antenna. | 02-02-2012 |
| 20120081255 | WAVEGUIDE OR SLOT RADIATOR FOR WIDE E-PLANE RADIATION PATTERN BEAMWIDTH WITH ADDITIONAL STRUCTURES FOR DUAL POLARIZED OPERATION AND BEAMWIDTH CONTROL - An apparatus and method are provided for producing a wide E-plane half power beamwidth. The apparatus can include a dipole antenna and a complimentary slot antenna in an infinite ground plane. The apparatus can also include a waveguide with surrounding structure that can be adjusted to produce the desired half power beamwidth. | 04-05-2012 |
| 20110260939 | DISTRIBUTED MULTIBAND ANTENNA AND METHODS - A distributed multiband antenna intended for radio devices, and methods for designing manufacturing the same. In one embodiment, a planar inverted-F antenna (PIFA) configured to operate in a high-frequency band, and a matched monopole configured to operate in a low-frequency band, are used within a handheld mobile device (e.g., cellular telephone). The two antennas are placed on substantially opposing regions of the portable device. The use of a separate low-frequency antenna element facilitates frequency-specific antenna matching, and therefore improves the overall performance of the multiband antenna. The use of high-band PIFA reduces antenna volume, and enables a smaller device housing structure while also reducing signal losses in the high frequency band. These attributes also advantageously facilitate compliance with specific absorption rate (SAR) tests; e.g., in the immediate proximity of hand and head “phantoms” as mandated under CTIA regulations. Matching of the low-frequency band monopole antenna is further described. | 10-27-2011 |
| 20120086616 | ANTENNA FOR PROVIDING SELECTIVE RADIATION PATTERNS AND ANTENNA CONSTRUCTION METHOD - An antenna providing a plurality of radiation patterns by adjusting a vertical beamwidth and a construction method for the antenna are provided. The antenna may include an integrated circuit (IC) element unit to provide a plurality of radiation patterns, and a switching unit to selectively provide any one of the plurality of radiation patterns based on control data. | 04-12-2012 |
| 343726000 | Including balanced doublet and loop-type antennas | 8 |
| 20100097280 | TRANSPONDER DEVICE - The present disclosure pertains to a transponder device ( | 04-22-2010 |
| 20090213021 | Isolation Antenna For Repeater - Provided is an isolation antenna for a repeater which can acquire high isolation by using loop and dipole antennas, which are positioned in opposite directions to each other based on a shielding means, in a unidirectional repeater generally used in broadcasting or wireless communications even though transmitting antenna/receiving antennas having a co-channel are set up closely to each other. The transmitting/receiving isolation antenna includes: a shielding means including an electric conductor; a first antenna of a dipole antenna type in one side of the shielding means; and a second antenna of a loop antenna type in an opposite side of the shielding means where the first antenna is positioned. | 08-27-2009 |
| 20090160717 | Antenna device and wireless device - There is provided with an antenna device including: a dipole element that includes a first linear element and a second linear element with each one end thereof being provided closely; a loop-shaped element that includes a third linear element and a fourth linear element provided approximately in parallel to the first linear element and the second linear element with each one end thereof being provided closely, and a fifth linear element with one end thereof being connected to the other end of the third linear element and the other end thereof being connected to the other end of the fourth linear element; and a feeding point feeding power to each one ends of the first linear element and the second linear element and to each one ends of the third linear element and the fourth linear element. | 06-25-2009 |
| 20090224990 | METHODS AND APPARATUS FOR SUPPORTING COMMUNICATIONS USING A FIRST POLARIZATION DIRECTION ELECTRICAL ANTENNA AND A SECOND POLARIZATION DIRECTION MAGNETIC ANTENNA - A communications device, e.g., a mobile wireless terminal, includes a plurality of antennas having different associated polarization directions. The plurality of antennas includes an electrical antenna, e.g., a dipole antenna and a magnetic antenna, e.g., a loop antenna or a slot antenna. In one embodiment the electrical antenna is used for receiving and/or transmitting signals associated with a vertical polarization direction, while the magnetic antenna is used for receiving and/or transmitting signals associated with a horizontal polarization direction in some embodiments different data streams are communicated concurrently via the electrical and magnetic antennas. Methods for operating the communications device to switch between the electrical and magnetic antennas and/or to control reception and/or transmission are described. The novel antenna configuration facilitates the use of the horizontal polarization direction communications between the communications device and a base station without the need for directionally azimuth positioning the magnetic antenna. | 09-10-2009 |
| 20100309067 | MULTIBAND ANTENNA - A multiband antenna includes a first radio unit closed loop and a second radio unit connected to the first radio unit and symmetrical structure. When the multiband antenna functions, the first radio unit functions as a balanced loop antenna, and the second radio unit functions as a dipole antenna. | 12-09-2010 |
| 20080266191 | Broadband Antenna For a Transponder of a Radio Frequency Identification System - A broadband antenna structure ( | 10-30-2008 |
| 20120001814 | WIDE BANDWIDTH HYBRID ANTENNA FOR COMBINATION EAS AND RFID LABEL OR TAG - A radio frequency identification (RFID) antenna exhibiting a multiple resonance is disclosed. In one exemplary embodiment, a dipole antenna and a loop antenna are disposed upon a substrate and have dimensions and orientation to exhibit the multiple resonance. The dipole antenna may exhibit a first dipole section having a first length and second dipole section having a second length. The loop antenna may be disposed in a region of the dipole antenna. The ratio of the perimeter of the loop antenna to the sum of the lengths of the dipole sections may be selected to exhibit the multiple resonance. | 01-05-2012 |
| 20100245192 | Antenna apparatus - An antenna apparatus includes: a ground substrate; and a loop antenna having first and second polarized wave surfaces, which are perpendicular to the substrate. The substrate provides an antenna, which is excited and vibrated together with the loop antenna. The antenna has a first polarized wave component in parallel to the first polarized wave surface and a second polarized wave component in parallel to the second polarized wave surface. A polarized wave ratio between the first polarized wave component and the second polarized wave component in the substrate is substantially equal to a polarized wave ratio between the first polarized wave surface and the second polarized wave surface in the loop antenna. | 09-30-2010 |
| 343727000 | Including balanced doublet-type antenna | 16 |
| 20130027258 | Antenna Structure for a Vehicle - An antenna structure for a vehicle may include an electrically conductive structure arranged on two insulating substrate plates that are arranged perpendicularly to each other and intersect each other. A dipole is provided on each electrically conductive structure. The dipoles form a first U-shaped dipole structure on each of the two substrate plates. On an upper edge region of each of the substrate plates, the dipole structure has a line element, and on the lateral regions of the substrate plate, the dipole structure has electrically conductive limbs. The electrically conductive structure has a monopole arranged asymmetrically to the dipole structure for respectively feeding the dipole. | 01-31-2013 |
| 20130082887 | COMBINATION ANTENNA - Combination antenna, which comprises two different antenna parts, of which the first antenna part is fitted to operate at a lower frequency range and the second antenna part is fitted to operate at a higher frequency range. The second antenna part of the combination antenna is arranged above the first antenna part. The supply cable of the second antenna part ( | 04-04-2013 |
| 20130069837 | DIRECTIVE ANTENNA WITH ISOLATION FEATURE - An antenna including a reflector formed by a ground plane, the ground plane having a notch therein, at least one parasitic director offset from the ground plane and a driven element formed by a dipole antenna coupled to the ground plane in proximity to the notch and located between the at least one parasitic director and an edge of the ground plane. | 03-21-2013 |
| 20090267849 | ULTRA ISOLATION ANTENNA - Provided is a transmitting/receiving isolation antenna that can perform wireless bi-directional communication in the co-channel, co-polarization and co-time by acquiring high isolation from transmitting and receiving antennas having co-time, co-channel and co-polarization and set up adjacently. The isolation antenna includes a first antenna; second and third antennas symmetrically positioned in the same distance from the first antenna; a shielding unit symmetrically positioned between the first and second antennas, and between the first and third antennas; and a signal removing unit for removing a signal transmitted from the first antenna to the second and third antennas. | 10-29-2009 |
| 20090237315 | Multi-input, multi-output antenna device - The antenna device of the invention mainly comprises a dipole antenna and a slot antenna for receiving and transmitting signals, wherein said slot antenna has at least one metal flat plate of L type section, said metal flat plate is formed with a bending at middle section, two ends of the bending are respectively made to a vertically extended vertical section and a horizontally extended horizontal section, and said metal flat plate is made with a slot which is connected through between vertical and horizontal sections, thereby constituting a multi-input, multi-output antenna device to be able to effectively segregate receiving and transmission frequencies without signal interferences. | 09-24-2009 |
| 20110298679 | COMPACT ULTRA-WIDE BANDWIDTH ANTENNA WITH POLARIZATION DIVERSITY - Described are methods and apparatus, including a method of manufacture, for a compact antenna. Two biconical dipole antennas and a monocone monopole antenna are displaced in an adjacent and orthogonal configuration. The two biconical dipole antennas are each shunted to the monocone monopole antenna. | 12-08-2011 |
| 20120169552 | HYBRID MULTI-ANTENNA SYSTEM AND WIRELESS COMMUNICATION APPARATUS USING THE SAME - A hybrid multi-antenna system includes a system circuit board, an antenna substrate, at least a dipole antenna, and at least a monopole-slot antenna. The system board has at least a system ground plate, and the system ground plate is served as a reflector of the hybrid multi-antenna system. The antenna substrate and the system ground plate have a first distance therebetween. The dipole antenna having a first signal feed-in source and the monopole-slot antenna having a second signal feed-in source respectively provide a first and second operating band, and they are on a surface of the antenna substrate. The monopole-slot antenna is located nearby the dipole antenna. The monopole-slot antenna and the dipole antenna have a second distance therebetween. The first and second signal feed-in sources are vertical to each other, and have the phase difference of 90°. | 07-05-2012 |
| 20100220022 | MULTIPLE ANTENNA HIGH ISOLATION APPARATUS AND APPLICATION THEREOF - A multiple antenna apparatus includes a substrate, a first antenna structure, and a second antenna structure. The first antenna structure includes a first metal trace that has a first pattern confined in a first geometric shape and has a near-zero electric field plane. The second antenna structure includes a second metal trace that has a first pattern confined to a second geometric shape. The second antenna structure is positioned on the substrate in substantial alignment with the near-zero electric field plane of the first antenna structure. | 09-02-2010 |
| 20100302115 | HYBRID DUAL DIPOLE SINGLE SLOT ANTENNA FOR MIMO COMMUNICATION SYSTEMS - An antenna arrangement implemented within a printed circuit board (PCB) having three metal co planar layers, for use in multiple input multiple output (MIMO) communication systems. The antenna arrangement comprises a first dipole antenna and second dipole antenna, substantially symmetrical to the first dipole antenna a slot antenna positioned substantially between the first and the second dipole antennas. The antenna arrangement is implemented in three coplanar metal layers. The antennas are used for MIMO communication systems, specifically complying with IEEE 802.11n and are shaped such that their combined radiation pattern exhibits a substantially omni-directional radiation pattern. | 12-02-2010 |
| 20110122035 | ANTENNA SYSTEM PROVIDING HIGH ISOLATION BETWEEN ANTENNAS ON ELECTRONICS DEVICE - An antenna system is provided in a portable electronics device having a printed circuit board assembly. The antenna system includes a first antenna and a second balanced antenna provided on the printed circuit board assembly. The first antenna is fed from a portion of the printed circuit board assembly such that a ground plane of the printed circuit board assembly serves as a counterpoise for the first antenna. The second balanced antenna has dipole ends configured and oriented to generally minimize coupling to the ground plane of the printed circuit board assembly to increase isolation between the first antenna and the second balanced antenna. | 05-26-2011 |
| 20110025569 | CROSS-DIPOLE ANTENNA COMBINATION - An apparatus has an improved antenna pattern for a cross dipole antenna. Such antennas desirably have an omnidirectional antenna pattern. Conventional cross dipole antennas exhibit nulls in their antenna patterns, which can cause antennas to deviate from a standard or specification. Applicant recognized and confirmed that the connection of a coaxial cable to the antenna arms is a cause of the nulls in the antenna pattern, and has devised techniques disclosed herein to compensate or cancel the effects of the connection. In one embodiment, the arms of the cross dipole antenna that are coupled to a center conductor of the coaxial cable remain of conventional length, but the arms of the cross dipole antenna that are coupled to a shield of the coaxial cable are lengthened by a fraction of the radius of the outer diameter of the coaxial cable. | 02-03-2011 |
| 20110163928 | BROADBAND ANTENNA - An antenna comprises a monopole and a dipole. The dipole provides a first antenna element and a second antenna element, which provide a common longitudinal axis with the longitudinal axis of a monopole. The first antenna element of the dipole is connected to the second antenna element of the dipole and to the monopole. The monopole bears the dipole. The antenna further contains a decoupling element, which is disposed between the monopole and the dipole. | 07-07-2011 |
| 20090174617 | HYBRID DUAL DIPOLE SINGLE SLOT ANTENNA FOR MIMO COMMUNICATION SYSTEMS - An antenna arrangement implemented within a printed circuit board (PCB) having three metal co planar layers, for use in multiple input multiple output (MIMO) communication systems. The antenna arrangement comprises a first dipole antenna and second dipole antenna, substantially symmetrical to the first dipole antenna a slot antenna positioned substantially between the first and the second dipole antennas. The antenna arrangement is implemented in three coplanar metal layers. The antennas are used for MIMO communication systems, specifically complying with IEEE 802.11n and are shaped such that their combined radiation pattern exhibits a substantially omni directional radiation pattern. | 07-09-2009 |
| 20120162035 | ALL-IN-ONE MULTI-BAND ANTENNA FOR WIRELESS COMMUNICATION SYSTEM - An all-in-one multi-band antenna includes: a first antenna element configured to operate at a first frequency band, the first antenna element including a first ground, a first radiating part, and a first feed line and a first feed point through which a signal power is applied to the first radiating part; and a second antenna element configured to operate at a second frequency band, the second antenna element including a second ground, a second radiating part, and a second feed line and a second feed point through which a signal power is applied to the second radiating part, wherein the second radiating part is provided within a pseudo-cavity formed at a center portion of the first radiating part. | 06-28-2012 |
| 20120262351 | ANTENNA DEVICE AND DISPLAY DEVICE - An antenna device, in which a dipole antenna ( | 10-18-2012 |
| 20130009831 | CROSS-DIPOLE ANTENNA CONFIGURATIONS - An apparatus has an improved antenna pattern for a cross dipole antenna. Such antennas desirably have an omnidirectional antenna pattern. Conventional cross dipole antennas exhibit nulls in their antenna patterns, which can cause antennas to deviate from a standard or specification. Applicant recognized and confirmed that the connection of a coaxial cable to the antenna arms is a cause of the nulls in the antenna pattern, and has devised techniques disclosed herein to compensate or cancel the effects of the connection. In one embodiment, the arms of the cross dipole antenna that are coupled to a center conductor of the coaxial cable remain of conventional length, but the arms of the cross dipole antenna that are coupled to a shield of the coaxial cable are lengthened by a fraction of the radius of the outer diameter of the coaxial cable. | 01-10-2013 |
| 343728000 | Including loop-type antenna | 13 |
| 20120182193 | COMBINATION ELECTRONIC ARTICLE SURVEILLANCE/RADIO FREQUENCY IDENTIFICATION ANTENNA AND METHOD - A combination EAS/RFID antenna for use in an EAS/RFID surveillance system. The antenna includes an EAS antenna element and an RFID antenna element. The EAS antenna element includes an EAS loop antenna defining an interior area. The RFID antenna element is positioned within the interior area defined by the EAS loop antenna and includes a ground plane and RFID patch antenna. The ground plane and/or the RFID patch antenna have a segmented conductor pattern etched thereon. The segmented conductor pattern minimizes eddy currents in the ground plane produced by current flow through EAS loop antenna. The RFID antenna element is situated proximate the EAS loop antenna in such a fashion that the overall size of the antenna is reduced. | 07-19-2012 |
| 20110018774 | COMPACT CIRCULAR POLARIZED ANTENNA WITH CAVITY FOR ADDITIONAL DEVICES - According to one embodiment, an antenna comprises a plurality of elongated side radiating elements having longitudinal axes oriented at angles of between about 10° and about 80° from a line perpendicular to an imaginary base plane extending across ends of the side radiating elements, and a cavity positioned between the side radiating elements defined by at least one non-radio frequency-transparent sidewall. In another embodiment, a system comprises a plurality of elongated side radiating elements each lying along a unique side plane and having longitudinal axes oriented at angles of between about 10° and about 80° from a line perpendicular to an imaginary base plane extending across ends of the side radiating elements, and a cavity being positioned between the side radiating elements defined by at least one non-radio frequency-transparent sidewall, wherein the at least one sidewall has sides each lying along a plane about parallel to the unique side plane. | 01-27-2011 |
| 20110006959 | Dual Polarized UHF Antenna - Described are antenna assemblies and methods for forming antenna assemblies. An antenna assembly includes a dual polarized far-field antenna and a near-field loop antenna. The near-field loop antenna is electromagnetically coupled to the dual polarized far-field antenna. The near-field loop antenna includes two contacts for electrically connecting to a chip. | 01-13-2011 |
| 20090303143 | Antenna Element - An antenna element is disclosed. A substrate is made of dielectric material and has a first face. A first antenna element is made of conductive material and is provided on the first face. A first power feeding portion is made of conductive material and is disposed on the first antenna element. A second antenna element is made of conductive material, is provided on the first face, and forms a loop surrounding the first antenna element with a gap. A second power feeding portion is made of conductive material. The second power feeding portion is extended from the second antenna element toward the first antenna element and is arranged to form an electromagnetic coupling with the first antenna element. A perturbation element is made of conductive material and is extended from the second antenna element. A length of loop is twice a circumferential length of the first antenna element. | 12-10-2009 |
| 20110234463 | RFID-ANTENNA SYSTEM - An improved RFID antenna system using a first RFID antenna device (in the form of a magnetic antenna ( | 09-29-2011 |
| 20110241953 | HYBRID MULTIPLE-INPUT MULTIPLE-OUTPUT ANTENNA MODULE AND SYSTEM OF USING THE SAME - The hybrid multiple-input multiple-output antenna module includes a grounding unit, a plurality of radiating units, loop units and filter units. The radiating units and the loop units are arranged around a geometric center of the grounding unit and are alternately and symmetrically arranged on the grounding unit. The loop units are arranged along the outer peripheral side of the grounding unit. The filter units are respectively electrically connected to the loop units. The present invention not only has some advantages such as small size, low profile, good isolation, high antenna gain and good radiation properties, but also can replace the external dual-band access-point antenna of the prior art for 2.4/5 GHz operation with no need of an extra diplexer. In addition, the hybrid multiple-input multiple-output antenna module can be hidden in the wireless communication device in order to enhance the appearance of the product. | 10-06-2011 |
| 20110084888 | RADIO COMMUNICATION EQUIPMENT - A radio communication device is obtained which is provided with an RFID tag function which can ensure the mounting area of each antenna as large as possible, and which is sharable with an LF band RFID system or an HF band RFID system and a UHF band RFID system, while having a communication range equivalent to the communication range of each of an LF band an HF band and a UHF band. | 04-14-2011 |
| 20090027284 | COLLAPSIBLE INTERIOR ANTENNA - A collapsible interior antenna has a main antenna, two wing antenna assemblies and a secondary antenna. The main antenna is rectangular and has two opposite connecting edges. The wing antenna assemblies are pivotally mounted respectively on the connecting edges and connected transmittably to the main antenna. The secondary antenna is a telescopic antenna, receives signals having a different frequency band to the main antenna and is electrically mounted on the main antenna. A person can minimize a footprint of the collapsible interior antenna by retracting the secondary antenna and folding the wing antenna assemblies toward the main antenna. When in use, the wing antenna assemblies can be unfolded to receive signals from different directions. | 01-29-2009 |
| 20110050522 | MULTI-BAND ANTENNA APPARATUS - A multi-band antenna apparatus is provided. The multi-band antenna apparatus comprises a circuit board, a planar printed antenna with a feed-in point and a telescopic antenna. The planar printed antenna is printed on the circuit board. The telescopic antenna is coupled to the circuit board through the feed-in point. The planar printed antenna receives a first radio frequency signal, and then transmits the first radio frequency signal to the circuit board through the feed-in point. The telescopic antenna receives a second radio frequency signal and then transmits the second radio frequency to the circuit board. | 03-03-2011 |
| 20120306707 | Low-Profile Multiband Antenna For a Wireless Communication Device - A device for wireless communication including a wireless transceiver, a printed circuit board (PCB) coupled to the wireless transceiver, a first antenna and a second antenna. The first antenna is coupled to the PCB at a feed point and grounded at a ground point. The first antenna is a quarter-wavelength antenna communicating signals with the wireless transceiver at a first frequency band. The second antenna is coupled to the first antenna at the feed point and grounded at a further ground point. The second antenna is a half-wavelength antenna communicating signals with the wireless transceiver at a second frequency band. | 12-06-2012 |
| 20120235870 | Dual Band RFID Device and Method of Formulation - A dual band antenna device and method of formation is provided. In one embodiment, the method comprises providing a planar conductive sheet; forming a slot antenna in the conductive sheet; the slot antenna configured to communicate at a first frequency; forming a multi-turn antenna in the conductive sheet; the multi-turn antenna configured to communicate in a second frequency that is different from the first frequency; and connecting at least one integrated circuit to said first antenna and said second antenna; enclosing said first antenna, said second antenna, and said at least one integrated circuit in a wearable enclosure. | 09-20-2012 |
| 20120262352 | Mobile Communication Device and Antenna Structure Therein - A mobile communication device includes an antenna structure which includes a grounding element and an antenna element. There is a notch at an edge of the grounding element. The antenna element is disposed in the notch and includes a metal loop portion and a monopole antenna. The metal loop portion is electrically connected to the grounding element with at least one shorting point, such that a short-circuited closed metal loop is formed. The monopole antenna has a first end and a second end, wherein the first end of the monopole antenna is a feeding point connected to a signal source, and the second end of the monopole antenna is an open end surrounded by the closed metal loop. | 10-18-2012 |
| 20120139802 | Multi-band antenna - A multi-band antenna includes a loop conductor, a first conductor arm, and a second conductor arm. The loop conductor is configured to resonate in a first frequency band and includes a feed-in end for feeding of signals and a main body that extends from the feed-in end, and that has a grounding point disposed adjacent to the feed-in end. The first conductor arm is configured to resonate in a second frequency band and extends from the feed-in end. The second conductor arm is configured to resonate in a third frequency band and extends from the feed-in end. At least one of the loop conductor, the first conductor arm, and the second conductor arm is bent so as to be disposed in different planes. | 06-07-2012 |
