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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 26483. Отображено 100.
05-01-2012 дата публикации

Global positioning system antenna

Номер: US20120001817A1
Автор: Hsi-Chieh Chen
Принадлежит: Chi Mei Communication Systems Inc

A global positioning system antenna includes a radiator. The radiator includes a base section, an extension section connected to an edge of the base section, a first curved section connected to an edge of the extension section, and a second curved section connected to a distal end of the first curved section. The first curved section and the base section define a slot therebetween. The second curved section defines a first gap and a second gap thereon. The first gap and the second gap face each other.

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14-04-2017 дата публикации

Излучатель година

Номер: RU0000170118U1

Полезная модель относится к антенной технике. Излучатель на проводящей плоскости характеризуется тем, что антенный излучатель помещен в полушар из материала, импеданс (волновое сопротивление) которого согласован с импедансом (волновым сопротивлением) вакуума. Радиус полушара из импедансносогласованного с вакуумом материала составляет менее 1/12 рабочей длины волны в вакууме, при этом импедансносогласованный материал, который окружает излучатель, должен обладать следующими свойствами: отношение действительной части относительной диэлектрической проницаемости к действительной части относительной магнитной проницаемости больше 1/2 и меньше 2; тангенсы диэлектрических и магнитных потерь менее 0.1; действительная часть относительной диэлектрической проницаемости в Е раз больше диэлектрической проницаемости вакуума, действительная часть относительной магнитной проницаемости в М раз больше магнитной проницаемости вакуума. Технический результат заключается в обеспечении возможности уменьшения рабочего диапазона часто существующих излучателей без изменения их габаритных размеров. 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 170 118 U1 (51) МПК H01Q 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2016109450, 16.03.2016 (24) Дата начала отсчета срока действия патента: 16.03.2016 (72) Автор(ы): Годин Андрей Сергеевич (RU), Климов Константин Николаевич (RU) 14.04.2017 (56) Список документов, цитированных в отчете о поиске: US 7573431 B2, 11.08.2009. US Приоритет(ы): (22) Дата подачи заявки: 16.03.2016 Адрес для переписки: 109444, Москва, ул. Сормовская, 3, корп. 3, кв. 95, Годину Андрею Сергеевичу 1 7 0 1 1 8 R U (57) Формула полезной модели Излучатель на проводящей плоскости, характеризующийся тем, что антенный излучатель помещен в полушар из материала, импеданс (волновое сопротивление) которого согласован с импедансом (волновым сопротивлением) вакуума, отличающийся тем, что радиус ...

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29-06-2018 дата публикации

Корабельная передающая антенная система-5

Номер: RU0000180910U1

Полезная модель относится к антенной технике. Корабельная передающая антенная система представляет собой антенную систему, состоящую из N антенных модулей, согласующего устройства на N-каналов, усилителя мощности и генератора, при этом каждый из антенных модулей представляет цилиндрический излучатель, состоящий из N кольцеобразных разрезных пластин, изолированных друг от друга и соединенных с помощью перемычек. Технический результат заключается в возможности установления постоянства тока в антенне независимо от рабочей частоты на основе повышения коэффициента бегущей волны тока антенного модуля путем устранения отраженной волны в емкостной части пластины. 6 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 180 910 U1 (51) МПК H01Q 9/04 (2006.01) B63G 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01Q 9/04 (2018.02); B63G 9/00 (2018.02) (21)(22) Заявка: 2017125584, 17.07.2017 (24) Дата начала отсчета срока действия патента: Дата регистрации: 29.06.2018 (45) Опубликовано: 29.06.2018 Бюл. № 19 162399 U1, 10.06.2016. RU 160079 U1, 27.02.2016. RU 156521 U1, 10.11.2015. US 5307081 A1, 26.04.1994. (54) КОРАБЕЛЬНАЯ ПЕРЕДАЮЩАЯ АНТЕННАЯ СИСТЕМА-5 (57) Реферат: Полезная модель относится к антенной разрезных пластин, изолированных друг от друга технике. Корабельная передающая антенная и соединенных с помощью перемычек. система представляет собой антенную систему, Технический результат заключается в состоящую из N антенных модулей, согласующего возможности установления постоянства тока в устройства на N-каналов, усилителя мощности и антенне независимо от рабочей частоты на основе генератора, при этом каждый из антенных повышения коэффициента бегущей волны тока модулей представляет цилиндрический антенного модуля путем устранения отраженной излучатель, состоящий из N кольцеобразных волны в емкостной части пластины. 6 ил. R U 1 8 0 9 1 0 (56) Список документов, цитированных в отчете о поиске: RU 160164 U1, 10.03.2016. ...

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04-07-2018 дата публикации

Антенна для мобильной базовой станции

Номер: RU0000181057U1

Полезная модель относится к антенной технике. Антенна содержит два плеча симметричного вибратора, выполненных из проводных линий, приемопередатчик, автономный источник питания и диэлектрический изолятор для крепления антенны к различным предметам. Также антенна содержит двухжильную проводную линию для нижнего плеча симметричного вибратора, два фильтра низкой частоты и два фильтра высокой частоты. Причем упомянутые выше составные части соединены в последовательности: диэлектрический изолятор с креплением для фиксации верхнего конца верхнего плеча симметричного вибратора к различным предметам, а нижний конец верхнего плеча симметричного вибратора - к первому высокочастотному выводу приемопередатчика; второй высокочастотный вывод приемопередатчика через два фильтра высокой частоты соединен с двумя верхними концами (жилами) проводной линии нижнего плеча симметричного вибратора, кроме этого третий вывод положительного питания приемопередатчика через первый фильтр низкой частоты соединен с первой жилой верхнего конца проводной линии нижнего плеча симметричного вибратора, нижний конец которой соединен с плюсом автономного источника питания, четвертый вывод отрицательного питания приемопередатчика через второй фильтр низкой частоты соединен со второй жилой верхнего конца проводной линии нижнего плеча симметричного вибратора, нижний конец которой соединен с минусом автономного источника питания. Технический результат заключается в уменьшении габаритов и веса. 1 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 181 057 U1 (51) МПК H01Q 9/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01Q 9/04 (2018.02) (21)(22) Заявка: 2018100772, 10.01.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 10.01.2018 (45) Опубликовано: 04.07.2018 Бюл. № 19 1 8 1 0 5 7 R U (54) Антенна для мобильной базовой станции (57) Реферат: Полезная модель относится к антенной технике. ...

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16-01-2019 дата публикации

Антенна для аппаратуры дистанционного управления движением электровоза в шахте

Номер: RU0000186335U1

Полезная модель относится к радиотехнике, в частности к антенной технике, и может быть использовано в аппаратуре дистанционного управления по радиоканалу движением шахтного электровоза. Технический результат - повышение удобства дистанционного управления шахтным электровозом. Антенна содержит излучатель, выполненный печатным способом на плате в виде двух пар ортогональных эллиптических диполей, каждая из пар которых расположена на одной из сторон упомянутой платы и подключена к общему коаксиальному кабелю. Излучатель размещен в корпусе, выполненном в виде параллелепипеда, у которого основание, крышка и торцевые стенки выполнены из металла, а боковые стенки - из радиопрозрачного материала. Плата излучателя установлена в корпусе таким образом, что плоскость платы расположена параллельно боковым стенкам корпуса. 2 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 186 335 U1 (51) МПК H01Q 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01Q 9/00 (2018.08) (21)(22) Заявка: 2018135754, 09.10.2018 (24) Дата начала отсчета срока действия патента: 16.01.2019 Приоритет(ы): (22) Дата подачи заявки: 09.10.2018 (45) Опубликовано: 16.01.2019 Бюл. № 2 Circularly Polarized Antenna with Enhanced Front-to-Back Ratio", Long Zhang и др., IEEE Transactions on Antennas and Propagation (Том 64, издание 1), январь 2016. RU 106989 U1, 27.07.2011. RU 100676 U1, 20.12.2010. US 2016304106 A1, 20.10.2016. (54) Антенна для аппаратуры дистанционного управления движением электровоза в шахте (57) Реферат: Полезная модель относится к радиотехнике, сторон упомянутой платы и подключена к в частности к антенной технике, и может быть общему коаксиальному кабелю. Излучатель использовано в аппаратуре дистанционного размещен в корпусе, выполненном в виде управления по радиоканалу движением шахтного параллелепипеда, у которого основание, крышка электровоза. Технический результат - повышение и торцевые стенки выполнены из металла, а удобства ...

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21-05-2019 дата публикации

Многодиапазонная вибраторная коллинеарная антенна

Номер: RU0000189383U1

Полезная модель относится к антенной технике и может быть использована в качестве передающей, приемной или приемо-передающей антенны УКВ диапазона в системах подвижной радиосвязи. Многодиапазонная вибраторная коллинеарная антенна содержит несущую металлическую опору в форме трубы, на которой расположены N вертикальных вибраторов. Причем верхнее и нижнее плечи каждого вибратора выполнены в виде соосных опоре металлических цилиндров, электрически соединенных с опорой в верхних частях. В каждый из N-1 вибраторов введены дополнительные цилиндры, обеспечивающие развязку между вибраторами; N-й вибратор выполнен в виде дискоконусного излучателя, состоящего из металлического диска и металлического конуса, расположенного на вершине опоры и обеспечивающего работу в широком диапазоне частот. Технический результат заключается в обеспечение возможности работы антенны в нескольких узких диапазонах частот, хорошей развязки между вибраторами, а также в возможности излучения широкополосных сигналов. 3 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 189 383 U1 (51) МПК H01Q 9/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК H01Q 9/00 (2019.02) (21)(22) Заявка: 2019100931, 16.01.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.05.2019 (56) Список документов, цитированных в отчете о поиске: RU 2573224 C2, 20.01.2016. RU (45) Опубликовано: 21.05.2019 Бюл. № 15 (54) Многодиапазонная вибраторная коллинеарная антенна (57) Реферат: Полезная модель относится к антенной дополнительные цилиндры, обеспечивающие технике и может быть использована в качестве развязку между вибраторами; N-й вибратор передающей, приемной или приемо-передающей выполнен в виде дискоконусного излучателя, антенны УКВ диапазона в системах подвижной состоящего из металлического диска и радиосвязи. Многодиапазонная вибраторная металлического конуса, расположенного на коллинеарная антенна содержит несущую вершине опоры и обеспечивающего ...

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26-01-2012 дата публикации

Pivotal Wireless Transmission Device

Номер: US20120019429A1
Принадлежит: Advanced Connectek Inc

A pivotal wireless transmission device comprises a fixing device having a first plane, a second plane and a coupling member coupling the first plane and the second plane; and a radiation conductor having a conduction path extending from one side of the first plane and a feeder point arranged in the conduction path. The present invention enables the radiation conductor to be securely fixed to a display frame. The present invention uses the first plane as the ground plane of the radiation conductor. Thus, both the first plane and the second plane function as the ground planes of the antenna system. Thereby is increased the transmission efficiency of radiation signals.

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26-01-2012 дата публикации

Mobile wireless communications device with shunt component and related methods

Номер: US20120021701A1
Принадлежит: Research in Motion Ltd

A mobile wireless communications device may include a portable housing including at least one electrically conductive housing portion configured to function as an antenna. The mobile wireless communications device may also include a printed circuit board (PCB) carried by the portable housing, and wireless transceiver circuitry carried by the PCB and including at least one circuit element carried by the PCB. The mobile wireless communications device may also include at least one current shunt component coupled between the at least one electrically conductive housing portion and the at least one circuit element.

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02-02-2012 дата публикации

Polarization Re-alignment for Mobile Satellite Terminals

Номер: US20120028572A1
Принадлежит: Chang Donald C D, Frank Lu, Yulan Sun

A system for allowing ground terminals, specifically mobile ground terminals, to dynamically and electronically realign signal polarizations to match that of incoming and outgoing signal polarizations from designated space assets, specifically communications from satellites, comprising an adaptive re-orientation technique based on a cost minimization function, and a means of direct calculations of weighting components based on the knowledge of the orientation and bearing of both the satellites and the ground terminals. The embodiment will allow a mobile ground terminal to electronically realign itself to the signals of a satellite, without the need for mechanical processes to physically re-orient the antenna array.

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02-02-2012 дата публикации

Neurostimulation programmers with improved rf antenna radiation patterns

Номер: US20120029599A1
Принадлежит: Spinal Modulation LLC

To provide for an improvement in the communication between an external handheld programmer and an implantable pulse generator (IPG) implanted within a patient or an external pulse generator attached to the patient, an antenna of the programmer is positioned relative to the ground plane of the programmer such that when a person handholds the programmer in its predetermined intended orientation a radiation pattern produced by the antenna has substantially maximum RF radiation generally directed toward the patient, regardless whether the person that handholds the programmer is the patient or another person located near the patient.

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16-02-2012 дата публикации

Flush-mounted low-profile resonant hole antenna

Номер: US20120038525A1
Принадлежит: Advanced Automotive Antennas SL

The invention relates to a flush-mounted aircraft, UAV or missile antenna system, which is an integral part of the fuselage ( 3 ) of an aircraft, UAV or missile. The antenna system comprises a surface ( 3 ) made of a conductive material and a resonant recess ( 4 ) formed in said conducting surface, wherein said recess is conformed to provide a resonant behaviour in a selected operating frequency, the antenna system further comprising a radiating element ( 2 ) located within said recess and a feeding element ( 5 ) within said recess coupled to said radiating element.

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19-04-2012 дата публикации

Antenna structure using multilayered substrate

Номер: US20120092219A1
Автор: Dong-Young Kim

Disclosed is an antenna structure using a multilayered substrate, including: a multilayered substrate having a multilayered structure; a dielectric resonator formed in the multilayered substrate; a metal surface formed on the top surface of the multilayered substrate except for an upper area of the dielectric resonator; a ground surface formed on a layer border where the bottom surface of dielectric resonator is positioned in the multilayered substrate and including at least one aperture; and a feed line formed on the bottom surface of the multilayered substrate and transferring energy through the aperture.

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26-04-2012 дата публикации

Loading of a twisted folded-monopole

Номер: US20120100817A1
Принадлежит: Motorola Inc

A loading of a twisted folded monopole (LTFM) includes a first antenna portion and a second antenna portion. The first and second antenna portions are mutually coupled to support a lower band for wireless communications. The LTFM also includes a third antenna portion and a fourth antenna portion. The third and fourth antenna portions generate self resonance in a higher band for wireless communications.

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03-05-2012 дата публикации

Antenna formed with case and method of manufacturing the same

Номер: US20120104652A1
Принадлежит: Samsung Electro Mechanics Co Ltd

There is provided an antenna integrally formed with a case and a method of manufacturing the same. An antenna integrally formed with a case according to an aspect of the invention includes: a case unit formed of a dielectric material; a radiator including a radiation unit tightly fixed to an outer surface of the case unit and terminal units each extending from an end portion of the radiation unit, passing through the case unit, and exposed on the inside of the case unit; and contact pins provided on a board disposed adjacent to the case unit and electrically connected to the individual terminal units.

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17-05-2012 дата публикации

Adjustable multiband antenna and methods

Номер: US20120119955A1
Принадлежит: Heikki Korva, Zlatoljub Milosavljevic

An adjustable multiband antenna especially intended to mobile terminals. The antenna structure comprises a radiator ( 320 ), a feed element ( 330 ) and an adjusting circuit ( 350 ). The radiator is a conductive part of the outer cover (COV) of a radio device or conductive coating of the cover. It is fed electromagnetically by a feed element which is isolated from the radiator by a relatively thin dielectric substrate. The feed element is connected either directly or through an intermediate element ( 340 ) to the antenna port of the device and to the ground plane ( 310 ), and it is shaped so that the antenna has at least two operating bands. The adjusting circuit is connected to an adjusting point (AP) in the feed element, and the reactance between the adjusting point and ground and thus the electric size of the antenna can be changed by means of a switch (SW) in the adjusting circuit. Among other things, the component values of the adjusting circuit and the distance between the short-circuit (SP) and adjusting (AP) points in the feed element are variables from the point of view of the antenna adjustment. Displacements, which have desired directions and lengths, are obtained for at least two operation bands of the antenna independently from each other by changing the switch state. The efficiency of the antenna is better than of the corresponding known antennas, and its matching can be made good both in lower and upper operating band of the antenna.

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17-05-2012 дата публикации

Electronic Timepiece with Internal Antenna

Номер: US20120120772A1
Автор: Teruhiko Fujisawa
Принадлежит: Seiko Epson Corp

An electronic timepiece with internal antenna maintains sufficiently high reception performance of circularly polarized waves even when having a metal external case. The timepiece has a cylindrical case; a crystal that covers the opening on the face side of the case; a drive mechanism that arranged inside the case; a metal antenna; and a dielectric. The antenna houses the drive mechanism and has a cylindrical side part, a bottom part that covers the opening on the back side of the side part, and an antenna electrode that contacts the inside of the side part. The back cover covers the back side of the case and is also the bottom part. The dielectric extends circumferentially to the side part, and contacts the antenna electrode in the face-back cover direction. A slot extending circumferentially is formed in the antenna electrode. Part or all of the slot is covered by the dielectric.

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24-05-2012 дата публикации

Folded antennas for implantable medical devices

Номер: US20120130451A1
Принадлежит: Cardiac Pacemakers Inc

Subject matter such as a method or apparatus can include an implantable medical device comprising a housing, an implantable telemetry circuit carried within the housing, and a dielectric compartment, mechanically coupled to the housing an implantable telemetry antenna, such as located at least partially within the dielectric compartment. The implantable telemetry circuit can be electrically coupled to the implantable telemetry antenna and configured to wirelessly transfer information electromagnetically using the implantable telemetry antenna. The implantable telemetry antenna can include a spiral conductor portion extending along a face portion of the dielectric compartment, and a loading portion configured to adjust an input impedance of the implantable telemetry antenna, to provide a specified input impedance range within a specified range of operating frequencies to be used for wireless information transfer.

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14-06-2012 дата публикации

Surface mount device antenna module

Номер: US20120146876A1
Автор: Tsai-Yi YANG
Принадлежит: Cirocomm Technology Corp

A surface mount device antenna module includes an antenna unit, a connecting unit and a circuit board. The connecting unit is used to connect the antenna unit and the circuit board. The antenna unit has a signal feeder electrically connected with the circuit board which is under the antenna unit. The antenna module is able to be attached onto the main board of an electronic device by surface mount technology. The area of the main board covered by the antenna module can be decreased. And the dimensions of the main board and the electronic device can be consequently decreased.

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28-06-2012 дата публикации

Electromagnetic patch antenna repeater with high isolation

Номер: US20120164942A1
Принадлежит: Qualcomm Inc

A repeater system is disclosed including a dual-fed donor patch antenna with a first microstrip antenna probe and a second microstrip antenna probe, phase shifting circuitry connected to the first microstrip antenna probe and the second microstrip antenna probe, wherein the phase shifting circuitry is configured to receive an input signal, supply a first signal to the first microstrip antenna probe, and supply a second signal to the second microstrip antenna probe using the input signal such that the first signal and the second signal are approximately 180 degrees out of phase with respect to each other. The repeater system also includes a coverage antenna (either a patch antenna or dipole antenna) and a housing connecting the dual-fed donor patch antenna and the coverage antenna. The housing is disposed to serve as a ground plane for the donor patch antenna and the coverage antenna.

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05-07-2012 дата публикации

Antenna isolation for portable electronic devices

Номер: US20120169550A1
Принадлежит: Individual

Portable electronic devices are provided with wireless circuitry that includes antennas and antenna isolation elements. The antennas may include antennas that have multiple arms and that are configured to handle communications in multiple frequency bands. The antennas may also include one or more antennas that are configured to handle communications in a single frequency band. The antennas may be coupled to different radio-frequency transceivers. For example, there may be first, second, and third antennas and first and second transceivers. The first and third antennas may be coupled to the first transceiver and the second antenna may be coupled to the second transceiver. The antenna isolation elements may be interposed between the antennas and may serve to reduce radio-frequency interference between the antennas. There may be a first antenna isolation element between the first and second antennas and a second antenna isolation element between the second and third antennas.

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12-07-2012 дата публикации

Engagement features and adjustment structures for electronic devices with integral antennas

Номер: US20120178382A1
Принадлежит: Apple Inc

Electronic devices may be provided that contain wireless communications circuitry. The wireless communications circuitry may include antenna structures that are formed from an internal ground plane and a peripheral conductive housing member. The internal ground plane and peripheral conductive housing member may be separated by a gap. The internal ground plane may be formed from sheet metal structures having engagement features such as tabs bent upwards at an angle. Plastic structures may be insert molded over the engagement features. When the internal ground plane is mounted in the electronic device, the plastic structures may bridge the gap between the internal ground plane and the peripheral conductive housing member. An adjustable structure such as a washer with a selectable thickness may be mounted to the peripheral conductive housing member opposing conductive structures across the gap. The thickness may be adjusted to adjust antenna performance.

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19-07-2012 дата публикации

Combination electronic article surveillance/radio frequency identification antenna and method

Номер: US20120182193A1
Принадлежит: Sensormatic Electronics LLC

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.

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09-08-2012 дата публикации

Apparatus, Methods and Computer Programs for Wireless Communication

Номер: US20120200464A1
Принадлежит: Nokia Oyj

An apparatus including a cover defining an exterior surface of the apparatus and including a first conductive cover portion; an antenna, connected to a feed point and configured to operate in at least a first resonant frequency band; a first conductive member; a second conductive member; and wherein the first and second conductive members are configured to couple with the first conductive cover portion, the combination of the first and second conductive members and the first conductive cover portion are operable in a second resonant frequency band, different to the first resonant frequency band and are configured to be contactlessly fed by the antenna.

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20-09-2012 дата публикации

Metal cover for a radio communication device

Номер: US20120238317A1

Exemplary embodiments are disclosed of metal covers for radio communication devices. In an exemplary embodiment, a metal cover for a radio communication device generally includes a front side part and first and second back side parts. The first back side part is connected to the front side part through one of a top side part and a bottom side part. The second back side part is connected to the front side part through the other one of the top side part and the bottom side part. The top and bottom side parts are at opposite ends of the front side part. The first and second back side parts are generally coplanar and spaced apart from each other by a gap.

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27-09-2012 дата публикации

Rf radiation redirection away from portable communication device user

Номер: US20120242549A1
Принадлежит: Pong Res Corp

A case for a wireless device includes a number of RF coupling elements mounted in the case and configured such that RF radiation is coupled from an internal antenna of the wireless device out of the device to a first RF coupling element, and from the first RF coupling element to a RF redirector coupling element that redirects the RF radiation in a direction outward from said wireless device that is opposite to a user side of the wireless device. A corrugated metallic shield is optionally provided on an opposite side of the case, facing a user of the device.

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27-09-2012 дата публикации

Antennaless wireless device

Номер: US20120242557A1
Принадлежит: Fractus SA

The invention refer to an antennaless wireless handset or portable device that may include a user interface module, a processing module, a memory module, a communication module, and a power management module. The communication module may include a radiating system capable of transmitting and receiving electromagnetic wave signals in a first frequency region. The radiating system may include a radiating structure comprising or consisting of at least one ground plane layer including a connection point, at least one radiation booster including a connection point, and an internal port wherein the internal port is defined between the connection point of the at least one radiation booster and the connection point of the at least one ground layer.

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27-09-2012 дата публикации

Reconfigurable antenna

Номер: US20120242558A1
Принадлежит: UNIVERSITY OF BIRMINGHAM

A reconfigurable antenna comprises two or more mutually coupled radiating elements and two or more impedance-matching circuits ( 56, 58 ) configured for independent tuning of the frequency band of each radiating element. In addition, each radiating element is arranged for selective operation in each of the following states: a driven state, a floating state and a ground state.

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04-10-2012 дата публикации

Integrated circuit package including miniature antenna

Номер: US20120249380A1
Принадлежит: Fractus SA

The present invention relates to an integrated circuit package comprising at least one substrate, each substrate including at least one layer, at least one semiconductor die, at least one terminal, and an antenna located in the integrated circuit package, but not on said at least one semiconductor die. The conducting pattern comprises a curve having at least five sections or segments, at least three of the sections or segments being shorter than one-tenth of the longest free-space operating wavelength of the antenna.

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11-10-2012 дата публикации

Mobile wireless communications device comprising a satellite positioning system antenna and electrically conductive director element therefor

Номер: US20120256791A1
Принадлежит: Research in Motion Ltd

A mobile wireless communications device may include a portable housing, at least one wireless transceiver carried by the portable housing, and a satellite positioning signal receiver carried by the portable housing. An antenna may also be carried by the portable housing and connected to the satellite positioning signal receiver. Further, at least one electrically conductive director element may be carried by the portable housing in spaced apart relation from the antenna and inductively coupled thereto for directing a beam pattern thereof.

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01-11-2012 дата публикации

Multi-band wireless terminals with metal backplates and multi-band antennae, and multi-band antenna systems with metal backplates and multi-band antennae

Номер: US20120274518A1
Автор: Zhinong Ying
Принадлежит: SONY ERICSSON MOBILE COMMUNICATIONS AB

A multi-band antenna system may include a unitary metal backplate. The unitary metal backplate may include a notch. The antenna system may also include a first antenna that may be at least partially covered by a non-metal cover. The first antenna may be on an end of the unitary metal backplate, and may be configured to resonate in a first frequency band in response to a first electromagnetic radiation. The first frequency band may include includes cellular frequencies. The antenna system may also include a second antenna that may be recessed in the notch. The second antenna may be configured to resonate in a second frequency band in response to a second electromagnetic radiation.

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01-11-2012 дата публикации

Antenna

Номер: US20120274529A1
Принадлежит: Sony Corp

An antenna is realized by a simple mechanism without use of a dedicated antenna element. An antenna includes a first conductor 2 b ( 2 d ) that has a first line length from a start point 4 to a folded point 3; and a second conductor 2 b ( 2 d ) that has a second line length in a direction from the folded point 3 to the start point 4 and is electrically connected to the first conductor at the folded point 3. A first received signal with a first frequency is received with a first antenna length including both the first line length and the second line length. A second received signal with a second frequency is received with a second antenna length including only one of the first line length and the second line length.

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01-11-2012 дата публикации

RFID Microstip Interrogator Antenna System

Номер: US20120274535A1
Автор: Daniel D. DEAVOURS
Принадлежит: Individual

The present invention overcomes the above-described and other problems by providing an improved edge-fed microstrip patch antenna, a dielectric substrate with integrated ground plane and enclosure that with a printable surface. An RFID microstrip patch antenna ( 21 ) system produces an antenna that is significantly less expensive to manufacture and install than existing commercial solutions. In doing so, the present invention enables the use of commodity, low cost products such as corrugated paperboard foils and extruded polystyrene and assembly methods such as graphics printing.

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01-11-2012 дата публикации

Implantable medical device antenna

Номер: US20120276856A1
Принадлежит: Cyberonics Inc

An implantable medical device includes a case having a conductive housing defining an opening. A dielectric material is coupled to the conductive housing to hermetically seal the opening. An antenna is within the case under the dielectric material. A header block is coupled to the case over the dielectric material.

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29-11-2012 дата публикации

Mobile wireless communications device including an antenna having a shorting plate

Номер: US20120299784A1
Автор: Mina Ayatollahi
Принадлежит: Research in Motion Ltd

A mobile wireless communications device may include a housing, a substrate carried by the housing, and a ground plane adjacent the substrate. The mobile wireless communications device may also include wireless communications circuitry, and first and second antennas coupled to the wireless communications circuitry. The first antenna may include a base electrical conductor spaced above the substrate, and at least one feed leg extending downwardly from the base electrical conductor to the substrate. The first antenna may also include an electrically conductive shorting plate extending downwardly from the base electrical conductor from a portion thereof adjacent the second antenna and coupled to the ground plane.

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29-11-2012 дата публикации

High impedance surface

Номер: US20120299797A1
Принадлежит: Texas Instruments Inc

An apparatus for emitting radiation is provided. The apparatus comprises an antenna formed on a substrate, and a high impedance surface (HIS). The HIS has a plurality of cells formed on the substrate that are arranged to form an array that substantially surrounds at least a portion of the antenna. Each cell generally includes a ground plane, first plate, second plate, and an interconnect. The ground plane is formed on the substrate, while the first plate (which is substantially rectangular) is formed over and coupled to the ground plane. The first plate for each cell is also arranged so as to form a first checkered pattern for the array. The second plate (which is substantially rectangular) is formed over and is substantially parallel to the first plate. The first and second plates are also substantially aligned with a central axis that extends generally perpendicular to the first and second plates hand have a interconnect formed therebetween. The second plate for each cell is also arranged so as to form a second checkered pattern for the array.

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06-12-2012 дата публикации

Shorted patch antenna device and method of manufacturing therefor

Номер: US20120306721A1
Принадлежит: Mitsubishi Electric Corp

The present invention relates to a novel shorted patch antenna device that a thickness of a conductor of an antenna, a location of a feeding point and a shape of an antenna element is easily adjustable and can be miniaturized, as well as a method therefor. The shorted patch antenna device includes: an antenna element that is composed of a folded single conductor plate and has a radiation conductor plane ( 2 ) formed on one of opposing planes of the conductor plate and a ground conductor plane ( 3 ) formed on the other plane of the opposing planes; a miniaturization section that is composed of a hole ( 5 ) formed on the ground conductor plane ( 3 ) and a slit ( 7 ) cut out from a side of the radiation conductor plane ( 2 ) or a matching adjustment plane ( 31 ) formed by bending a tip portion of the radiation conductor plane ( 2 ) toward the ground conductor plane ( 3 ); a coaxial line ( 8 ) whose inner conductor ( 9 ) extending through the hole ( 5 ) to the radiation conductor plane ( 2 ) is electrically connected to the radiation conductor plane ( 2 ) and whose external conductor ( 10 ) is grounded to the ground conductor plane ( 3 ); and a resin ( 16 ) that fills between the radiation conductor plane ( 2 ) and the ground conductor plane ( 3 ) of the antenna element.

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20-12-2012 дата публикации

Single-feed multi-frequency multi-polarization antenna

Номер: US20120319922A1
Принадлежит: Blaupunkt Antenna Systems USA Inc

An antenna capable of receiving both left-hand circularly polarized (LHCP) signals and right-hand circularly polarized (RHCP) signals, and outputting both signals on a single feed. The antenna includes two coplanar concentric patches. The inner patch is substantially square. The outer patch surrounds the inner patch to define a gap therebetween. A resonant parallel inductive/LC circuit interconnects the two patches. The circuit includes a plurality of printed traces within the gap and interconnecting the concentric patches. The gap and each trace function as an LC circuit.

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03-01-2013 дата публикации

Wireless communication with a medical implant

Номер: US20130002496A1
Принадлежит: MicroChips Inc

An apparatus for providing transdermal wireless communication includes medical implant circuitry; a transceiver coupled to the medical implant circuitry; a first metal surface having an end portion and a base portion; a second metal surface parallel to the first metal surface and connected to the first metal surface by a conductor, the second metal surface being separated from the first metal surface by a dielectric layer; a first radiating element tuned to a first frequency and disposed within the dielectric layer between the first metal surface and second metal surface; and a feed structure in electrical communication with the transceiver and the first radiating strip. The first radiating element has a first reactive portion at a first end thereof, a second reactive portion at a second end thereof, and a first radiating strip extending between the first reactive portion and the second reactive portion.

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10-01-2013 дата публикации

Antenna configuration for emitting microwave pulses

Номер: US20130009850A1
Автор: Adam Umerski
Принадлежит: Diehl BGT Defence GmbH and Co KG

An antenna configuration for emitting high-energy microwave pulses has a first flat electrode and a second flat electrode, the first electrode and the second electrode being able to be connected to a generator for producing an excitation pulse. The antenna configuration further has a multiplicity of radiation elements which connect the first electrode and the second electrode to one another, and semiconductor diodes which are provided in the region of the radiation elements and turn on as of a particular breakdown voltage and thus make it possible for the antenna to emit a pulsed overall pulse.

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24-01-2013 дата публикации

Antenna apparatus including multiple antenna elements for simultaneously transmitting or receiving multiple wideband radio signals

Номер: US20130021218A1
Принадлежит: Panasonic Corp

An antenna apparatus includes antenna elements, each made of a conductive plate. The antenna elements are provided along a reference axis passing through first and second positions of the antenna apparatus, and close to a section between the first and second positions. Each of the antenna elements has first and second portions along a circumference of the antenna element, the first portion is close to the reference axis and electromagnetically coupled to the other antenna element, and the second portion is remote from the reference axis. The first portions of the respective antenna elements are shaped so that the antenna elements are the closest to each other near the first position, and a distance between the antenna elements gradually increases from the first position to the second position. The antenna apparatus has feed points provided on the antenna elements, respectively, and near the first position.

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31-01-2013 дата публикации

Antenna feeding structure and antenna

Номер: US20130027260A1
Принадлежит: Radina Co Ltd

The disclosure provides an antenna feeding structure having a low frequency loop, an intermediate frequency loop, and a high frequency loop, and generates resonance between the inductance of the intermediate frequency loop itself and a capacitive element in the intermediate frequency loop, wherein the antenna feeding structure is configured to be able to adjust the resonance frequency using the area of the loop and the value of the capacitive element, thereby allowing the antenna to have a broadband characteristic, and further, making it possible to easily design an antenna having a desired band.

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31-01-2013 дата публикации

Metal covers for radio communication devices

Номер: US20130027270A1

An exemplary embodiment of an antenna system includes a metal cover for a radio communication device and a complementary antenna. The metal cover includes front side part, a first back side part connected to the front side part through a top side part, and a second back side part connected to the front side part through a bottom side part. The bottom and top side parts are positioned at opposite ends of the front side part. The first and second back side parts are positioned essentially coplanar and distanced from each other by a gap. The front side part comprises a recess at the bottom side part and/or at the top side part in which recess the complementary antenna is positioned in.

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14-02-2013 дата публикации

Wireless electronic shelf label

Номер: US20130036636A1
Принадлежит: MARISENSE OY

A wireless electronic shelf label ( 100 ) having a layered structure includes a display layer ( 101 ) including display material, a backplane material structure with an antenna ( 202 ), and a circuit board arrangement with control electronics for controlling the operation of the label, such as the display and the radio communication, and a resilient layer having a space for a rigid component, such as a battery, wherein said resilient layer is arranged to provide a substantially even total thickness of said label ( 100 ), wherein the radio communication control further comprises a device for radio frequency communication via modulated backscatter with at least one detector diode ( 205 ), and, wherein the detector diode is connected to the antenna in at least one antenna connection point where the antenna signal has its maximum or at least near maximum.

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14-02-2013 дата публикации

Communication device and method for enhanceing impedance bandwidth of antenna thereof

Номер: US20130038491A1

A communication device and a method for enhancing impedance bandwidth of an antenna are provided. The communication device includes at least one ground, at least one antenna, a current-drawing conductor structure, and at least one coupling conductor structure. The antenna is electrically connected to the ground through a source and generates at least one operating frequency band for transmitting or receiving electromagnetic signals of at least one communication band. The current-drawing conductor structure includes a plurality of conductor elements, where there is at least one mutual coupling portion formed between neighboring conductor elements. The coupling conductor structure has a first conductor portion and a second conductor portion. One end of the first conductor portion is electrically connected to the ground, and another end thereof is electrically connected to the second conductor portion. There is at least one coupling portion formed between the second conductor portion and the current-drawing conductor structure.

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28-02-2013 дата публикации

Antenna device

Номер: US20130050028A1
Автор: Hidekatsu Nogami
Принадлежит: Omron Corp

An antenna device comprises an antenna board, wherein an antenna pattern is formed in or on a front surface of a dielectric layer, a ground layer is formed in or on a rear surface of the dielectric layer, and a feed pin is inserted into a thickness of the antenna board through the ground layer and the dielectic layer. The diameter of the antenna pattern is set to one half of the wavelength of an RF signal passed through the antenna pattern, and a length of one side of the dielectric plate is set shorter than the wavelength. A metallic plate is coupled to the ground layer with a plurality of metallic spacers interposed therebetween, whereby the metallic plate is electrically connected to the ground layer. .

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07-03-2013 дата публикации

Portable electronic device

Номер: US20130057437A1
Принадлежит: QUANTA COMPUTER INC

A portable electronic device includes a housing, a substrate, a radiation conductor and a short circuit conductor. The housing defines an accommodating space and includes a frame that has a body portion and a radiation portion. The substrate is disposed in the accommodating space, is surrounded by the frame, and has a grounding portion. The radiation conductor is disposed in the accommodating space, is electrically coupled to the radiation portion, and includes a feed-in point. The short circuit conductor is electrically coupled between one end of the radiation portion and the grounding portion.

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07-03-2013 дата публикации

Multi-Layered Multi-band Antenna

Номер: US20130057442A1
Принадлежит: DOCKON AG

Embodiments provide multi-band, compound loop antennas (multi-band antennas). Embodiments of the multi-band antennas produce signals at two or more frequency bands, with the two or more frequency bands capable of being adjusted and tuned independently of each other. Embodiments of a multi-band antenna are comprised of at least one electric field radiator and at least one monopole formed out of the magnetic loop. At a particular frequency, the at least one electric field radiator in combination with various portions of the magnetic loop resonate and radiate an electric field at a first frequency band. At yet another particular frequency, the at least one monopole in combination with various portions of the magnetic loop resonate and radiate an electric field at a second frequency band. The shape of the magnetic loop can be tuned to increase the radiation efficiency at particular frequency bands and enable the multi-band operation of antenna embodiments.

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14-03-2013 дата публикации

Symmetrical partially coupled microstrip slot feed patch antenna element

Номер: US20130063310A1

Systems and methods which utilize a symmetrical partially coupled microstrip slot feed patch antenna element configuration to provide highly decoupled dual-polarized wideband patch antenna elements are shown. Embodiments provide a microstrip slot feed configuration in which a slot of a first signal feed is centered with respect to the patch and further provide a microstrip slot feed configuration in which slots of a second signal feed are symmetrically disposed with respect to the center of the patch and at positions near the edges of the patch. The microstrip feed utilized in communicating signals with respect to the slots of the second signal feed is adapted to provide signals of substantially equal amplitude and 180° out of phase with respect to each other according to embodiments. The second signal feed configuration utilized according to embodiments provides partial coupling between the patch and the second signal feed.

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21-03-2013 дата публикации

Smart channel selective repeater

Номер: US20130072207A1
Принадлежит: Mobile Joose Inc

A system and method for processing signals in a selected channel through a repeater wherein the repeater is dynamically adapted to the channel by receiving channel information from a local cell phone, such information including modulation and channel designation.

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04-04-2013 дата публикации

Electromagnetic wave data transceiver device and system comprising a plurality of said devices

Номер: US20130082900A1
Принадлежит: URBIOTICA SL

An electromagnetic wave data transceiver device suitable for installation on a post, including an antenna, and an electronic module connected to the antenna and suitable to send and receive data by way of electromagnetic wave signals transduced by the antenna. The antenna is formed in a flexible band which may be curved in the longitudinal direction thereof, passing from an open position in which the flexible band is open at one end leaving an opening for the lateral passage of a post to a closed position in which the flexible band embraces a cylindrical form. The device also includes a closure for setting the closed position of the flexible band. Also, a system formed by a plurality of the transceiver devices installed on vertical portions of posts.

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11-04-2013 дата публикации

Wireless communication device and metal article

Номер: US20130087626A1
Автор: Koji Shiroki, Noboru Kato
Принадлежит: Murata Manufacturing Co Ltd

A wireless communication device includes a wireless IC device, a dielectric substrate, and a metal plate. A radiation conductor coupled to the wireless IC device is provided on the front surface of the dielectric substrate, and a ground conductor connected to the radiation conductor through an interlayer connection conductor is provided on a back surface. The dielectric substrate is fixed to the metal plate via an insulating adhesive, and is crimped by a conductive member. The front and back surfaces of the metal plate are electrically connected to each other by the conductive member, and when a high-frequency signal is supplied from the wireless IC device, a high-frequency signal current on the front surface side of the metal plate is conducted to the back surface side of the metal plate through a surface boundary portion between the conductive member and the metal plate, and radiated as a high-frequency signal.

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18-04-2013 дата публикации

Mobile wireless terminal

Номер: US20130093631A1
Автор: Kenichiro Kodama
Принадлежит: Sony Mobile Communications Japan Inc

A wireless terminal including a display device; a first conductive plate that supports the display device; a second conductive plate that supports the display device; a circuit board including a ground pattern that is connected to the first conductive plate; a radio frequency (RF) circuit mounted on the circuit board; and a first feeding unit connected to the RF circuit and disposed between the first and second conductive plates.

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18-04-2013 дата публикации

ANTENNA DIELECTRIC CAP LOADING

Номер: US20130093637A1
Автор: HIRVONEN Mervi
Принадлежит: TEKNOLOGIAN TUTKIMUSKESKUS VTT

Antenna miniaturization is a big engineering challenge because of the fundamental limitations that restrict antenna performance. In the present invention a new dielectric cap loading technique for improving small antenna element performance exploiting the space capacitance is introduced. The cap loading technique can be easily realized e.g. by 3D dielectric blocks, such as ceramic blocks. 2. A loaded antenna according to claim 1 , further comprising at least one set of opposing dielectric loading elements separated by a gap.3. A loaded antenna according to claim 2 , wherein the dielectric loading elements are arranged at least partly on top of a surface of the antenna element and have a height measured from said surface.4. A loaded antenna according to claim 2 , wherein the antenna element is a dipole element having a length along a first axis defined by a first and second peripheral end of the dipole element.5. A loaded antenna according to claim 2 , wherein the antenna element is a loop element having a length along a first axis defined by a first and second peripheral end of the loop element.6. A loaded antenna according to claim 3 , further comprisinga first dielectric structure of the set of opposing dielectric loading elements having a first height, a first width and extending a first distance substantially from the first peripheral end along the first axis, anda second dielectric structure of the set of opposing dielectric loading elements having a second height, a second width and extending a second distance substantially from the second terminal end along the first axis,wherein the first height, width and distance are substantially similar to the second height, width and distance.7. A loaded antenna according to wherein claim 6 ,the first height is constant along the entire first width of the first dielectric structure, andthe second height is constant along the entire second width of the second dielectric structure.8. A loaded antenna according to wherein ...

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18-04-2013 дата публикации

Antenna device

Номер: US20130093642A1
Принадлежит: Fujitsu Component Ltd

An antenna device to be inserted in a memory card slot of an electronic device, includes an insulating layer, an antenna element formed on one surface of the insulating layer, and a ground element formed on the other surface of the insulating layer, the antenna element and the ground element being formed such that at least a part of the antenna element and at least a part of the ground element protrude from the memory card slot of the electronic device when the antenna device is inserted in the memory card slot, respectively; and a ground pattern extending in parallel relationship with the antenna element to be electrically connected to at least the ground element.

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25-04-2013 дата публикации

MULTI-FUNCTION ARRAY FOR ACCESS POINT AND MOBILE WIRELESS SYSTEMS

Номер: US20130099987A1
Принадлежит:

A multi-function array is described where several communication system functions are realized using the same antenna architecture. An array of antenna elements where each antenna element can generate multiple radiation patterns is described; the multiple radiation patterns from each antenna element provides increased capability and flexibility in generating a phased array, a MIMO antenna system, a receive diversity antenna system, as well as direction finding feature by way of an interferometer function provided by one or multiple elements. The small volume attributes of the antenna elements populating the array lend this technique to mobile wireless devices as well as access points. 1. An antenna system , comprising:a first antenna disposed above a circuit board forming an antenna volume therebetween, a first tuning conductor positioned within said antenna volume, said first tuning conductor coupled with a first active element adapted to vary a reactance thereon, a steering conductor positioned adjacent to the first antenna and outside of said antenna volume, said steering conductor coupled with a second active tuning element adapted to vary a reactance thereon;a second antenna; anda combining circuit;said combining circuit configured to feed said first and second antennas simultaneously forming an antenna array;wherein said antenna system is adapted to form multiple antenna beams by varying antenna patterns of at least one of said first and second antenna.2. The antenna system of claim 1 , wherein said combining circuit is configured to select multiple antenna patterns of the array for providing receive diversity capability.3. The antenna system of claim 1 , wherein said combining circuit is configured to select said first and second antennas for use with multi input multi output functions.4. The antenna system of claim 1 , comprising three or more antennas.5. The antenna system of claim 1 , wherein at least one of said antennas is an active modal antenna adapted ...

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09-05-2013 дата публикации

Antenna and method for steering antenna beam direction

Номер: US20130113667A1
Принадлежит: Ethertronics Inc

An antenna comprising an IMD element and one or more parasitic and active tuning elements is disclosed. The IMD element, when used in combination with the active tuning and parasitic elements, allows antenna operation at multiple resonant frequencies. In addition, the direction of antenna radiation pattern may be arbitrarily rotated in accordance with the parasitic and active tuning elements.

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09-05-2013 дата публикации

Reconfigurable Polarization Antenna

Номер: US20130113673A1
Принадлежит: Broadcom Corp

Embodiments include antenna systems capable of producing high quality circularly, elliptically, or linearly polarized radiation. Embodiments include single feed (single-ended or differential) or multiple feed antennas. Embodiments can be electronically configured to adjust the type of polarization of the antenna system. In an embodiment, the polarization of the antenna system is adjusted by adjusting at least the position of a grounding node relative to the position of a feed node. In another embodiment, the polarization of the antenna system is adjusted by configuring one or more input nodes of the antenna between feed nodes, grounding nodes, and open nodes. In another embodiment, the polarization of the antenna system is adjusted by adjusting the phase of a single differential feed of the system.

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16-05-2013 дата публикации

GLASS CERAMICS FOR USE AS A DIELECTRIC FOR GIGAHERTZ APPLICATIONS

Номер: US20130120193A1
Принадлежит: SCHOTT AG

A glass-ceramic which is particularly suitable as dielectric for use in the high-frequency range, in particular as dielectric resonator, as electronic frequency filter element or as antenna element is disclosed. The glass-ceramic has at least the following constituents (in mol % on an oxide basis): 5-50% of SiO, 0-20% of AlO, 0-25% of BO, 0-25% of BaO, 10-60% of TiO, 5-35% of ReO, where Ba can be partly replaced by Sr, Ca, Mg, where Re is a lanthanide or yttrium and where Ti can be partly replaced by Zr, Hf, Y, Nb, V, Ta. 3. The glass-ceramic according to claim 1 , in which up to 10% of the barium is replaced.4. The glass-ceramic according to claim 1 , in which up to 10% of the titanium is replaced.5. The glass-ceramic according to claim 1 , which additionally contains from 0.01 to 3 mol % of at least one refining agent.6. The glass-ceramic according to claim 5 , in which the at least one refining agent is selected from the group consisting of SbOand AsO.7. The glass-ceramic according to claim 1 , which has a dielectric loss (tan δ) of not more than 10in the high-frequency range (frequency f>200 MHz).8. The glass-ceramic according to claim 1 , having a relative permittivity ∈ of at least 15.9. The glass-ceramic according to claim 1 , wherein the absolute value of the temperature dependence of the resonance frequency |τ| is not more than 200 ppm/IC.10. The glass-ceramic according to claim 1 , wherein the absolute value of the temperature dependence of the resonance frequency |τ| is not more than 10 ppm/K.11. The glass-ceramic according to claim 1 , which contains at least one mixed crystal phase based on RE claim 1 , Ti claim 1 , Si claim 1 , O claim 1 , Ba claim 1 , where Ba can be at least partly replaced by Sr claim 1 , Ca claim 1 , Mg claim 1 , where RE is a lanthanide or yttrium and where Ti can be at least partly replaced by Zr claim 1 , Hf claim 1 , Y claim 1 , Nb claim 1 , V claim 1 , Ta.12. The glass-ceramic according to claim 1 , which contains at least one ...

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16-05-2013 дата публикации

ANTENNA SYSTEM FOR HANDHELD SATELLITE COMMUNICATION DEVICES

Номер: US20130120195A1
Автор: DiNallo Carlo
Принадлежит: MAXTENA

An antenna systems for a handheld wireless device comprises an antenna disposed proximate an oblong ground structure (e.g., oblong PCB). The antenna is suitably adapted to radiated circularly polarized waves by supporting quadrature phased first and second resonances which are associated with electrical fields oriented at right angles to each other and at an oblique angle relative to a longitudinal axis of the oblong ground structure. 1. An antenna system comprising:an oblong ground structure having a longitudinal axis and a transverse axis; andan antenna disposed proximate said oblong ground structure.2. The antenna system according to wherein said antenna is adapted to radiate a circularly polarized wave.3. The antenna system according to wherein said antenna is adapted to supported a first resonance including an electric field oriented in a first direction and a second resonance including an electric field oriented in a second direction that is substantially perpendicular to said first direction claim 1 , wherein said first resonance is in phase quadrature with said second resonance and wherein an angle between said first direction and said longitudinal axis is oblique.4. The antenna system according to wherein said angle between said first direction and said longitudinal axis is between 40° and 50°.5. The antenna system according to wherein said angle between said first direction and said longitudinal axis is 45°.6. The antenna system according to wherein said antenna comprises a patch.7. The antenna system according to wherein said patch comprises a square shaped patch and said antenna further comprises a feed pin connected to said square shaped patch at a location displaced from a center of said square shaped patch.8. The antenna system according to wherein said oblong ground structure comprises a oblong planar circuit board.9. The antenna system according to further comprising a main board that is adjacent to said oblong planar circuit board claim 6 , is ...

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16-05-2013 дата публикации

ANTENNA DEVICE

Номер: US20130120198A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

An antenna element having directionality in a zenith direction, which includes a first radiation electrode and a second radiation electrode which face each other across a slit on a cuboid dielectric block, is arranged closer to one of corners of a substrate and so as that a longer length direction thereof is aligned to one side of the substrate. A first end portion of the first radiation electrode is connected to a ground electrode of the substrate, and a first end portion of the second radiation electrode is directly connected to a feed portion of the substrate or through a capacitance. When the antenna element is to be mounted on a left corner of the substrate, a position of the slit on the dielectric block is shifted from a center of the dielectric block toward a center of an antenna element mounted side of the substrate. 1. An antenna device comprising an antenna element in which a plurality of electrodes is formed on a cuboid dielectric block and a substrate in which a ground electrode is formed on a base member , whereinthe plurality of electrodes includes at least a first radiation electrode and a second radiation electrode,a first end portion of the first radiation electrode is connected to the ground electrode of the substrate,a first end portion of the second radiation electrode is directly connected to a feed portion of the substrate or through a capacitance,second end portions of the first and second radiation electrodes face each other with a slit in between, the slit having a preset gap,the antenna element is arranged closer to one of corners of the substrate and such that a longer length direction thereof is aligned to one side of the substrate, anda position of the slit on the dielectric block is shifted from a center of the dielectric block toward a center of the one side of the substrate.2. The antenna device according to claim 1 , further comprising:a ground opening portion in the substrate,wherein the antenna element is mounted on the ground ...

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16-05-2013 дата публикации

Auxiliary Antenna Device, Antenna Set, and Handheld Radio Communication Device

Номер: US20130120208A1
Принадлежит:

In an exemplary embodiment, there is an auxiliary antenna device for a handheld radio communication device including ground plane means extending in a main direction and a main antenna device having an antenna element operatively coupled to the ground plane means and configured for reception of signals at a selected frequency and polarized essentially in the main direction. The auxiliary antenna device includes a balanced or self-balanced antenna element arrangement, an amplifier, and an output port. The balanced or self-balanced antenna element arrangement is configured for reception of signals at the selected frequency and polarized in a direction essentially orthogonal to the main direction. The amplifier is operatively connected to the balanced or self-balanced antenna element arrangement and configured for amplification of signals received by the balanced or self-balanced antenna element arrangement. The output port is operatively connected to the amplifier and configured to output signals amplified by the amplifier. 1. An auxiliary antenna device for a handheld radio communication device including ground plane means extending in a main direction and a main antenna device having an antenna element operatively coupled to the ground plane means and configured for reception of signals at a selected frequency and polarized essentially in the main direction , the auxiliary antenna device comprising:a balanced or self-balanced antenna element arrangement configured for reception of signals at the selected frequency and polarized in a direction essentially orthogonal to the main direction;an amplifier operatively connected to the balanced or self-balanced antenna element arrangement and configured for amplification of signals received by the balanced or self-balanced antenna element arrangement; andan output port operatively connected to the amplifier and configured to output signals amplified by the amplifier.2. The auxiliary antenna device of claim 1 , wherein the ...

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16-05-2013 дата публикации

Method for providing a monitoring of usage network resources of a user session within a network and a network device

Номер: US20130122860A1
Принадлежит: NOKIA SIEMENS NETWORKS OY

A method monitors usage of network resources of a user session within a network. The method includes receiving a first message at a first policy and charging function device, the first message may be sent by a second policy and charging function device and the first message may contain a credit control request (CCR). Moreover, the method sends a second message from the first policy and charging function device to the second policy and charging function device, the second message may contain a credit control answer (CCA). The method may further includes sending a third message from the first policy and charging function device to the second policy and charging function device, the third message may contain monitoring information for non-disabling the monitoring of usage network resources of the user session.

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23-05-2013 дата публикации

Dielectric cavity antenna

Номер: US20130127669A1
Принадлежит: Samsung Electro Mechanics Co Ltd

There is provided a dielectric cavity antenna including: a multilayer substrate having an opening formed in at least a portion of a predetermined surface thereof; a dielectric cavity inserted into the multilayer substrate to radiate an electromagnetic wave signal through the opening; a feed line feeding power to the dielectric cavity; and at least one metal pattern formed in an inner portion of the dielectric cavity or on a surface thereof to thereby be electromagnetically coupled to the feed line.

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30-05-2013 дата публикации

Radiation Component of Miniature Antenna

Номер: US20130135151A1
Автор: Liu Jiagang, Wu Zongda
Принадлежит: SHENZHEN AIMIC TECHNOLOGY INC.

A radiation component of a miniature antenna comprises an access part for transmitting signals, two first radiating structures mirrored upon a mirror line with each other and spacing at intervals, and a second radiating structure connected with the first structures. Every first radiating structure has a first circuit and a second circuit spacing at intervals and along a straight line substantially parallel to the mirror line, and a third circuit connecting the first circuit and the second circuit. The second radiating structure has two first circuits intersected with the extending lines of the first circuits in the first radiating structure, and a second circuit connecting the first circuits. The access part is electrically connected to an end of the first circuit in the first radiating structure which is far away from the mirror line. 1. A radiation component of a miniature antenna , the radiation component formed by conductor materials , and including:an access part for transmitting signals;two first radiating structures mirrored upon a mirror line with each other and spacing at intervals, and every first radiating structure has a first circuit and a second circuit spacing at intervals and along a straight line substantially parallel to the mirror line, and a third circuit connected with the first circuit and the second circuit; whereinthe first circuit has a U-shaped unit, and the U-shaped unit has at least one U-shaped curve with an opening substantially parallel to the mirror line, further the access part is connected electrically to an end of the U-shaped unit;the second circuit has a U-shaped unit and an extended line segment, and the U-shaped unit has at least one U-shaped curve segment with an opening substantially parallel to the mirror line, further the extended line segment extends from an end of the U-shaped unit towards a direction being far away from the opening;the third circuit has a U-shaped unit and two connecting line segments located between the ...

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30-05-2013 дата публикации

ELECTRONIC DEVICE MODULE WITH INTEGRATED ANTENNA STRUCTURE, AND RELATED MANUFACTURING METHOD

Номер: US20130135152A1
Автор: Tang Jinbang
Принадлежит:

An electronic device module as described herein includes an electronic device package having device contacts. The electronic device package is fixed within encapsulating material, along with an electrically conductive ground layer. The ground layer has a device opening in which the electronic device package resides, and the ground layer also has an antenna opening spaced apart from the device opening. The device contacts and one side of the ground layer correspond to a first surface, and a patch antenna element overlies the first surface. The antenna element is coupled to the electronic device package, and a projection of the patch antenna element onto the first surface resides within the antenna opening. Also provided are methods for manufacturing such an electronic device module. 1. An electronic device module comprising:an electronic device package having device contacts, the electronic device package fixed within encapsulating material;an electrically conductive ground layer fixed within the encapsulating material, the ground layer having a device opening in which the electronic device package resides, and the ground layer having an antenna opening spaced apart from the device opening, wherein the device contacts and one side of the ground layer correspond to a first surface; anda patch antenna element overlying the first surface and coupled to the electronic device package, wherein a projection of the patch antenna element onto the first surface resides within the antenna opening.2. The electronic device module of claim 1 , wherein the patch antenna element claim 1 , the ground layer claim 1 , and the antenna opening are cooperatively shaped claim 1 , sized claim 1 , and tuned for operation as a millimeter wave antenna structure.3. The electronic device module of claim 1 , further comprising a conductive plug in the encapsulating material claim 1 , the conductive plug having a first end that terminates at the ground layer claim 1 , and the conductive plug ...

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30-05-2013 дата публикации

Dual Feed Port Dual Band Antenna Assembly and Associated Method

Номер: US20130135153A1
Автор: Rao Qinjiang, Wang Dong
Принадлежит: RESEARCH IN MOTION LIMITED

A dual feed port dual band (DFDB) antenna module comprising a first antenna element disposed on a first planar surface, a second antenna element disposed on a second planar surface, and a third antenna element disposed on a third planar surface. A first feed port is coupled to a first transceiver circuit adapted to operate in a first band and a second feed port is coupled to a second transceiver circuit adapted to operate in the first band and to a receiver circuit adapted to operate in a second band. The first and second feed ports are oriented substantially orthogonal with respect to each other. 1. A dual feed port dual band (DFDB) antenna module , comprising:a first feed port coupled to a first transceiver circuit adapted to operate in a first band; anda second feed port coupled to a second transceiver circuit adapted to operate in said first band and to a receiver circuit adapted to operate in a second band, wherein first and second feed ports are oriented substantially orthogonal with respect to each other.215. The DFDB antenna module of claim 1 , wherein said first and second feed ports are separated by a distance of approximately mm.3. The DFDB antenna module of claim 1 , wherein said first transceiver circuit comprises Bluetooth-compatible transceiver circuitry adapted to operate in a 2.4 GHz band claim 1 , the second transceiver circuit comprises WiFi-compatible transceiver circuitry adapted to operate in the 2.4 Gz band and said receiver circuit adapted to operate in a GPS frequency range.4. The DFDB antenna module of claim 1 , wherein said first transceiver circuit comprises WiFi-compatible transceiver circuitry adapted to operate in a 2.4 GHz band claim 1 , the second transceiver circuit comprises Bluetooth-compatible transceiver circuitry adapted to operate in the 2.4 Gz band and said receiver circuit to operate in a GPS frequency range.5. The DFDB antenna module of claim 1 , wherein said first feed port is electrically connected to an inverted F ...

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30-05-2013 дата публикации

QUAD-BAND INTERNAL ANTENNA AND MOBILE COMMUNICATION TERMINAL THEREOF

Номер: US20130135155A1
Автор: Zhang Lian

A quad-band internal antenna may include an antenna radiating element, a first slotted hole and a second slotted hole arranged on a printed circuit board. The first slotted hole may be arranged along a direction perpendicular to the current flow direction of the printed circuit board, and the second slotted hole may be arranged between a ground pin and a feed pin of the antenna radiating element, such that the first slotted hole and the second slotted hole are both open slotted holes. 1. A quad-band internal antenna , wherein it comprises:an antenna radiating element;a first slotted hole;a second slotted hole arranged on a printed circuit board,wherein the first slotted hole is arranged along a direction substantially perpendicular to a current flow direction of the printed circuit board,wherein the second slotted hole is arranged between a ground pin and a feed pin of the antenna radiating element, andwherein both the first slotted hole and the second slotted hole are open slotted holes with an open end.2. The quad-band internal antenna of claim 1 ,wherein the printed circuit board is substantially of rectangular shape;wherein a line connecting the ground pin and the feed pin of the antenna radiating element is set along a long side of the substantially rectangular shape;wherein the first slotted hole is arranged along a short side of the substantially rectangular shaper.3. The quad-band internal antenna of claim 2 , wherein the second slotted hole is arranged along the short side of the substantially rectangular shape.4. The quad-band internal antenna of claim 2 , wherein the open end of the first slotted hole is set on the long side of the substantially rectangular shape on which the ground pin and the feed pin of the antenna radiating element are located.5. The quad-band internal antenna of claim 4 , wherein the open end of the second slotted hole and the open end of the first slotted hole are set on the same long side of the substantially rectangular shape.6. ...

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30-05-2013 дата публикации

ANTENNA SYSTEM FOR INTERFERENCE SUPRESSION

Номер: US20130135162A1
Принадлежит: ETHERTRONICS, INC

An antenna system is capable of optimizing communication link quality with one or multiple transceivers while suppressing one or multiple interference sources. The antenna provides a low cost, physically small multi-element antenna system capable of being integrated into mobile devices and designed to form nulls in the radiation pattern to reduce interference from unwanted interferers. The antenna system operates in both line of sight and high multi-path environments by adjusting the radiation pattern and sampling the received signal strength to reduce signal levels from interferers while monitoring and optimizing receive signal strength from desired sources. 1. An antenna system comprising:a modal antenna, comprising an antenna element positioned above a circuit board forming an antenna volume therebetween, one or more parasitic elements positioned adjacent to said antenna and outside of said antenna volume, and up to multiple antennas positioned within said antenna volume, wherein each of said parasitic elements is coupled to an active element for actively configuring one or more modes of the antenna; andan antenna tuning module (ATM) adapted to provide control signals to the active elements for varying the one or more modes of the antenna.2. The antenna system of claim 1 , wherein communication signals from transceivers in the environment are sampled and said control signals are sent to the active tuning elements from the ATM to adjust the antenna radiation pattern for improving communication with the transceivers.3. The antenna system of claim 1 , wherein the radiation pattern is adjusted to reduce the signal level of interfering transceivers and increase the signal level received from intended transceivers.4. The antenna system of claim 1 , wherein the parasitic elements and active elements are positioned around the said antenna element in two dimensions.5. The antenna system of claim 1 , wherein the parasitic elements and active elements are positioned around ...

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30-05-2013 дата публикации

Antenna module

Номер: US20130135167A1
Принадлежит: Wistron Corp

An antenna module includes a substrate, a main radiation structure, a strip-shaped radiation structure, a grounding structure, a shorting structure, a parasitic radiation structure and a metal radiation member. An acute angle is included between a first edge of the main radiation structure and a longitudinal edge of the substrate. The main radiation structure has a signal feeding portion and a connecting portion. The strip-shaped radiation structure is extended from a second edge of the main radiation structure. The shorting structure is U-shaped. A first end of the shorting structure is connected to the signal feeding portion and a second end of the shorting structure is connected to the grounding structure. The parasitic radiation structure is extended from the grounding structure and parallel to the first edge. A constant distance is between the parasitic radiation structure and the first edge. The metal radiation member is connected to the connecting portion.

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06-06-2013 дата публикации

Multi-antenna module containing active elements and control circuits for wireless systems

Номер: US20130141292A1
Принадлежит: Ethertronics Inc

An antenna system is provided for use in wireless communication, the antenna system is contained in a modular structure. The antenna system includes a plurality of co-located antennas, including at least one active modal antenna, each of the antennas being adapted for operation at a distinct frequency band. The antenna system further includes an active tuning module for tuning a frequency response of the co-located antennas.

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06-06-2013 дата публикации

SUPERIMPOSED MULTIMODE ANTENNA FOR ENHANCED SYSTEM FILTERING

Номер: US20130141293A1
Принадлежит: ETHERTRONICS, INC.

In a typical system a combination of filters (BAW, SAW, etc) and an antenna are configured to achieve frequency filtering effect and efficient transmission and reception of communication signals. Wireless communication systems require specific bandwidth and out-of-band rejection; typically this metric is characterized in frequency roll-off in units of dB/MHz. This number is distributed between the antenna and filter, with the antenna contributing little to date to the filtering effect. Loss and cost penalties are incurred when multi-mode systems are designed which require additional rejection from the filter elements. Described here is a method of designing antennas to reduce the amount of rejection and complexity from the filter system. A superposition of a symmetrical frequency response from the antenna structure coupled with a non-symmetrical frequency response from a counterpoise structure generates increased rejection of out-of-band components. 1. An active modal antenna adapted for enhanced filtering of signals , comprising:an antenna element positioned above a circuit board forming an antenna volume therebetween;a parasitic element positioned adjacent to the antenna element; andan active control element coupled to the parasitic element and configured to vary a reactance thereon;the antenna element adapted to generate a frequency response having one or more resonances thereof;wherein the parasitic element is positioned relative to the antenna element for providing transmission and reception of signals in a desired frequency band and rejecting signals outside of the desired frequency band.2. The active modal antenna of claim 1 , wherein the parasitic coupled to the active control element provides a mechanism for adjusting the frequency response of the parasitic to merge with the frequency response of the antenna element to form a resultant asymmetric frequency response.3. The active modal antenna of claim 1 , further coupled to an active filter claim 1 , ...

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06-06-2013 дата публикации

PENTA-BAND INTERNAL ANTENNA AND MOBILE COMMUNICATION TERMINAL THEREOF

Номер: US20130141298A1
Автор: Zhang Lian

A penta-band internal antenna and a mobile communication terminal may include: a first high-frequency branch, a second high-frequency branch, and a low-frequency branch of an antenna radiating element, and a first slotted hole and a second slotted hole arranged on a printed circuit board. The first slotted hole may be arranged along a direction substantially perpendicular to the current flow direction of the printed circuit board. The open-circuit end of the low-frequency branch may be fitted into the first slotted hole and the open-circuit end of the second high-frequency branch may be fitted into the second slotted hole. 1. A penta-band internal antenna comprising: aa first high-frequency branch of an antenna radiating element;a second high-frequency branch of the antenna radiating element;a low-frequency branch of the antenna radiating element;a first slotted hole and a second slotted hole arranged on a printed circuit board,wherein the first slotted hole is arranged along a direction substantially perpendicular to current flow direction of the printed circuit board, andwherein an open-circuit end of the low-frequency branch is fitted into the first slotted hole, and an open-circuit end of the second high-frequency branch is fitted into the second slotted hole.2. The penta-band internal antenna of claim 1 , wherein: the shape of the printed circuit board is substantially rectangular claim 1 ,wherein a line connecting a ground pin and a feed pin of the antenna radiating element is set along a long side of the rectangle, andwherein the first slotted hole is set along a short side of the substantially rectangular shape.3. The penta-band internal antenna of claim 2 , wherein: the second slotted hole is set along a short side of the substantially rectangular shape.4. The penta-band internal antenna of claim 2 , wherein: an open end of the first slotted hole is set on the long side of the substantially rectangular shape which is away from the ground pin and the feed ...

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06-06-2013 дата публикации

Antenna device and wireless communication apparatus including the same

Номер: US20130141302A1
Принадлежит: Murata Manufacturing Co Ltd

A non-feeding element is provided with a proximity-providing gap from a feeding element, and a resonant state is generated there by capacitive coupling. The non-feeding element resonates at a frequency different from a resonant frequency of the feeding element. The feeding element and the non-feeding element have alongside-ground-terminal extending portions spaced from an edge surface at one end of a ground surface formed on the circuit board and to extend in a direction along the edge surface at the one end of the ground surface. The feeding element and/or the non-feeding element is formed three-dimensionally with a plurality of bending portions so that at least parts of the alongside-ground-terminal extending portion of the feeding element and the ground-terminal extending portion of the non-feeding element have substantially the same amount of spacing from the ground surface.

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13-06-2013 дата публикации

Reconfigurable millimeter wave multibeam antenna array

Номер: US20130147664A1
Автор: Saihua LIN
Принадлежит: Qualcomm Inc

A reconfigurable millimeter wave multibeam antenna array is disclosed. In an exemplary embodiment, an apparatus is provided that includes a first millimeter (MM) wave antenna, a second MM wave antenna, and a hybrid coupler coupled to the first and second MM wave antennas, the hybrid coupler configured to receive a MM wave transmit signal and a phase shifted version of the MM wave transmit signal, and to direct power to the first and second MM wave antennas based on a phase difference between the MM wave transmit signal and the phase shifted version of the MM wave transmit signal.

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13-06-2013 дата публикации

MODAL ANTENNA WITH CORRELATION MANAGEMENT FOR DIVERSITY APPLICATIONS

Номер: US20130147672A1
Принадлежит: ETHERTRONICS, INC.

Antenna systems comprising modal antennas for use in diversity and similar schemes include a modal antenna capable of multiple antenna modes wherein a distinct radiation pattern exists for each antenna mode, and a control signal for directing variation of the antenna modes. Methods for designing modal diversity antennas are further disclosed. 1. A method for designing a modal antenna for diversity applications , comprising:providing an antenna radiator disposed above a circuit board and forming an antenna volume therebetween,positioning a first parasitic element within said antenna volume, said first parasitic element attached to a first active element for varying a reactance of the antenna;positioning a second parasitic element outside of said antenna volume and adjacent to said antenna radiator, said second parasitic element attached to a second active element for varying a current mode thereon; andproviding a control signal for actively configuring said first and second active elements and associated conductors.2. The method of claim 1 , further comprising the step:optimizing a distance and orientation of said first parasitic element with respect to said antenna radiator for operation at a desired frequency band.3. The method of claim 2 , further comprising the step:optimizing a distance and orientation of said second parasitic element with respect to said antenna radiator for providing a split resonance frequency characteristic of the antenna.4. The method of claim 3 , further comprising the step:connecting said second parasitic element to ground for generating a split resonance frequency characteristic of the antenna.5. The method of claim 4 , further comprising the step:varying a reactance of said first parasitic element for shifting said split resonance frequency of the antenna.6. The method of claim 1 , wherein said first and second active elements are individually selected from the group consisting of: switches claim 1 , voltage controlled tunable ...

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13-06-2013 дата публикации

ANTENNA DEVICE, ANTENNA MODULE, AND PORTABLE TERMINAL

Номер: US20130147674A1
Автор: KOMURA Ryo
Принадлежит: MURATA MANUFACTURING CO., LTD.

Radiation electrodes are formed on a dielectric base body of an antenna chip. A capacitive feeding electrode is formed on a first end surface of the dielectric base body. A ground electrode, a feeding circuit connection electrode, feeding lines, a tip electrode, and the like are formed on the top surface of a base member of a substrate. When a first switching element selects the feeding line side, a second switching element is made to enter a conducting state. In this state, the radiation electrodes are capacitively fed. When the first switching element selects the feeding line side, the second switching element is made to enter an open state. In this state, the radiation electrodes are directly fed. In this manner, the directivity direction of an antenna can be switched using a single radiation element. 1. An antenna device comprising:a radiation element including a direct feeding point, a capacitive feeding point, and a grounding point;a first switch configured to switch between feeding from a feeding line to the direct feeding point of the radiation element and feeding from the feeding line to the capacitive feeding point of the radiation element; anda second switch configured to switch between electrically connecting and disconnecting the grounding point of the radiation element to and from ground.2. An antenna device comprising:a radiation element including a capacitive feeding point and a connection point that becomes a direct feeding point or a grounding point;a first switch configured to switch between feeding from a feeding line to the direct feeding point of the radiation element and feeding from the feeding line to the capacitive feeding point of the radiation element; anda second switch configured to switch between electrically connecting and disconnecting the connection point of the radiation element to and from ground.3. An antenna device comprising:a radiation element including a first connection point that becomes a direct feeding point or a ...

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20-06-2013 дата публикации

ACTIVE FRONT END MODULE USING A MODAL ANTENNA APPROACH FOR IMPROVED COMMUNICATION SYSTEM PERFORMANCE

Номер: US20130154889A1
Принадлежит: ETHERTRONICS, INC.

This application describes a dynamically tuned front end module using a modal antenna approach for improved communication system performance. The front end module consists of power amplifiers, filters, switches and antennas along with tuning circuits integrated and controlled to provide an optimized system for RF transmission. Dynamic tuning provides the ability to maintain optimized system performance for a wide variety of use cases and environments that the wireless device is operated in. Several transmission modes are accessed in an algorithm to optimize the performance of multiple wireless devices in a cellular system, to include a power conservation mode, emergency transmission mode, and cell capacity optimization mode. Dynamic adjustment of correlation and isolation between multiple antennas is a benefit provided by this front end topology. 1. A tunable front end module in a radio circuit , comprising:one or more power amplifier modules coupled to a power amplifier bus, the power amplifier bus being further coupled to a baseband processor and a voltage ladder circuit;one or more adaptive filter modules, each of the adaptive filter modules being coupled to one of said power amplifier modules and adapted to filter signals received therefrom, the adaptive filter modules being further coupled to a filter bus and a decoder; andan active modal antenna;the tunable front end module further comprising a software algorithm programmed within a microprocessor or the baseband processor, the software algorithm being programmed to provide adaptive tuning of each of the power amplifier modules, adaptive filter modules, and active modal antenna for producing optimal transmission through the transceiver front end.2. The tunable front end module of claim 1 , said active modal antenna comprising:a radiating structure disposed above a circuit board and forming an antenna volume therebetween;a parasitic element positioned adjacent to the radiating structure; andan active element ...

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27-06-2013 дата публикации

MULTIBAND ANTENNA

Номер: US20130162489A1
Принадлежит:

A multiband antenna includes at least two polygons. The at least two polygons are spaced by means of a non-straight gap shaped as a space-filling curve, in such a way that the whole gap length is increased yet keeping its size and the same overall antenna size allowing for an effective tuning of frequency bands of the anenna. 119-. (canceled)20. A wireless handheld or portable device comprising:a substantially rectangular ground plane;a multiband antenna formed by a multilevel conducting structure;wherein said multiband antenna is integrated within the wireless handheld or portable device;wherein the multilevel conducting structure comprises a plurality of polygons defined by a free perimeter thereof and a projection of a longest exposed perimeter thereof to define the least number of generally identifiable polygons having an equal number of sides or faces;wherein a contact region between directly connected polygons is narrower than 50% of the perimeter of said polygons in at least 75% of said plurality of polygons;wherein polygons of a subset of said plurality of polygons are electromagnetically coupled in multiple frequency bands; andwherein at least two polygons of the plurality of polygons are separated by a non-straight gap.21. The wireless handheld or portable device of claim 20 , wherein the multiband antenna is inscribed in a rectangular area having a longest dimension substantially parallel to a shortest side of the substantially rectangular ground plane claim 20 , and wherein the multiband antenna is placed substantially close to said shortest side.22. The wireless handheld or portable device of claim 20 , wherein the non-straight gap is placed between two polygons claim 20 , and wherein said two polygons are electromagnetically coupled at multiple frequency bands.23. The wireless handheld or portable device of claim 20 , wherein the non-straight gap comprises at least one curve selected from the group comprising a meandering curve claim 20 , a periodic ...

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27-06-2013 дата публикации

Dual radiation patterns antenna

Номер: US20130162491A1
Автор: Ya Chung Yu
Принадлежит: SJ ANTENNA DESIGN

A dual radiation patterns antenna is provided in the present invention. The dual radiation patterns antenna includes a substrate, a first antenna unit and a second antenna unit. The substrate has a first surface and a second surface opposite to the first surface. The first antenna is formed on the first surface of the substrate and used to radiate a first radiation pattern. The second antenna is formed on the second surface of the substrate and used to radiate a second radiation pattern. A first vertical projecting plane of the first antenna unit on the second surface is overlapped with the second antenna unit completely or partially. A second vertical projecting plane of the second antenna unit on the first surface is overlapped with the first antenna unit completely or partially. The first radiation pattern and the second radiation pattern are perpendicular each other.

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27-06-2013 дата публикации

Contactless connector

Номер: US20130163483A1
Принадлежит: Tyco Electronics Corp

A contactless connector includes a transmitter having a first transmit integrated circuit generating a first signal and a second transmit integrated circuit generating a second signal. A first pick-up antenna is adjacent the first transmit integrated circuit and conveys the first signal along a first transmission line to a first propagation antenna. A second pick-up antenna is adjacent the second transmit integrated circuit and conveys the second signal along a second transmission line to a second propagation antenna. The first and second propagation antennas transmit the first and second signals to a propagation path at different and separable polarizations to allow duplex communication with the propagation path.

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04-07-2013 дата публикации

DUAL FEED ANTENNA

Номер: US20130169491A1
Принадлежит: SkyCross, Inc.

The subject disclosure may include, for example, a multi-port antenna structure including an antenna having a first antenna port to transmit electromagnetic signals and a second antenna port to receive electromagnetic signals, where the antenna is coupled to a housing assembly of a communication device to transmit energy between the housing assembly and the first antenna port and second antenna port, and where first resonant modes of the housing assembly for the first antenna port and second resonant modes of the housing assembly for the second antenna port are such that the first and second antenna ports are substantially isolated from each other. Other embodiments are disclosed. 1. A multi-port antenna structure for a wireless-enabled communications device , comprising:a coupler-antenna comprising a first antenna port to transmit electromagnetic signals and a second antenna port to receive electromagnetic signals,wherein the coupler-antenna is coupled to a housing assembly of the wireless enabled communications device to transmit energy between the housing assembly and the first antenna port and second antenna port, andwherein first resonant modes of the housing assembly for the first antenna port and second resonant modes of the housing assembly for the second antenna port are such that the first antenna port and second antenna port are at least approximately isolated from each other.2. The multi-port antenna structure of claim 1 , wherein the coupler-antenna supports common resonant modes and differential resonant modes.3. The multi-port antenna structure of claim 1 , wherein the coupler-antenna has multiple resonant frequencies to provide antenna functions in more than one frequency band.4. The multi-port antenna structure of claim 1 , wherein the coupler-antenna comprises a plurality of branches claim 1 , each branch having an electrical length to provide multiple resonant frequencies.5. The multi-port antenna structure of claim 4 , wherein the electrical ...

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18-07-2013 дата публикации

Antenna and mobile terminal including the antenna

Номер: US20130181870A1
Автор: Masaki Suzuki

Provided is an antenna capable of preventing deterioration of antenna radiation characteristics in any of the open state, the closed state, and the reverse state of a mobile terminal. The antenna includes: a pair of antenna elements 1 and 2 arranged to be parallel to each other and to face each other; connecting member 3 for connecting the pair of antenna elements 1 and 2 at the tips thereof to electrically short-circuit the same; and power supply members 4 and 5 capacitively coupled to the feeding points of the pair of antenna elements 1 and 2 to supply power.

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18-07-2013 дата публикации

ANTENNA

Номер: US20130181878A1
Автор: PETROS ARGY
Принадлежит: Universal Media Syndicate Inc.

A bowtie antenna is presented. The antenna includes a substrate with a metal layer. The bowtie-shaped dipole antenna is formed in the metal layer with two triangle elements and a gap between the two triangle elements. The bowtie-shaped antenna is shaped to receive signals in a lower portion of the UHF band. A pair of transmission lines is formed in the metal extending from the gap. At least one pair of tuning stubs is formed in the metal. The pair of tuning stubs extends from the transmission lines and is tuned to a frequency band that is different than the lower portion of the UHF band. 1. An antenna comprising:a substrate with a metal layer;a bowtie-shaped dipole antenna formed in the metal layer with two triangle elements with a gap between the two triangle elements, and wherein the bowtie-shaped dipole antenna is tuned to a lower portion of the UHF band;a pair of transmission lines formed in the metal extending from near the gap; andat least one pair of tuning stubs formed in the metal and extending from the transmission lines, wherein each of the at least one pair of tuning stubs is tuned to a frequency band that is different than the lower portion of the UHF band.2. The antenna of wherein the triangle elements are generally isosceles triangles.3. The antenna of wherein a first side and a second side are equal length sides of the isosceles triangles claim 2 , wherein isosceles triangle points are formed where first sides and the seconds side touch claim 2 , wherein the isosceles triangle points lie on a centerline adjacent each other but separated from each other by the gap claim 2 , wherein third sides of the isosceles triangles that are not equal to any other isosceles triangles sides cross the centerline remote from and non-adjacent each other so that the centerline bisects the third sides.4. The antenna of wherein a perpendicular line passes through the gap perpendicular to the centerline and wherein the VHF and UHF antenna is symmetrical about the ...

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25-07-2013 дата публикации

Dual antenna, single feed system

Номер: US20130187817A1
Принадлежит: MOLEX LLC

An antenna system includes a low-band antenna configured for low-band frequencies and a high-band antenna configured for high-band frequencies. The low-band antenna is configured so that high-band frequencies have a high impedance while the high-band antenna is configured so that low-band frequencies have a high impedance. A transmission line can be used to couple both antennas together and the transmission line can be used to add phase delay to the impedance of the low-band and high-band antennas so that the corresponding frequencies that the antennas are not configured for are shifted toward an infinite impedance point on a Smith chart.

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25-07-2013 дата публикации

Planar array feed for satellite communications

Номер: US20130187830A1
Принадлежит: BRIGHAM YOUNG UNIVERSITY

An apparatus, system, and method are disclosed for wireless communications. A planar antenna element is disposed on a surface of a substrate. The planar antenna element comprises an electrically conductive material and has a circular polarization. The substrate comprises a dielectric material. The planar antenna element may be arranged in a planar antenna array as a feed for a reflector antenna or as an aperture array. The planar antenna element may comprise a slot patch antenna element with a slot in the electrically conductive material of the planar antenna element circumscribing the planar antenna element. The slot exposes the dielectric material of the substrate. A ground plane may be disposed on the surface of the substrate. The ground plane comprises an electrically conductive material. The slot may be disposed between the ground plane and the patch antenna element.

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25-07-2013 дата публикации

Electronic device

Номер: US20130189936A1
Принадлежит: Alps Electric Co Ltd

An electronic component (encoder) including an operation body is mounted on a circuit board. The electronic component causes a controller to perform processing in accordance with an operation input by the operation body. The mounting board includes a power-feeding leg piece connected to a wireless communication processor so that high frequency communication is allowed, a first short-circuiting leg piece that is adjacent to the power-feeding leg piece via a cut-out portion, and a second short-circuiting leg piece separated from the power-feeding leg piece. The short-circuiting leg pieces are connected to grounded portions. The impedance is adjusted by appropriately selecting the width or the depth of the cut-out portion. The resonance frequency is adjusted by appropriately selecting the size or the position of the short-circuiting leg piece. Thus, the mounting board operates as an inverted-F antenna in which the power-feeding leg piece functions as a power feeding portion.

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01-08-2013 дата публикации

WIRELESS COMMUNICATION DEVICE

Номер: US20130194149A1
Принадлежит: MURATA MANUFACTURING CO., LTD.

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. 2. The wireless communication device according to claim 1 , wherein a matching circuit provided to the feeder substrate is connected between the feeder circuit and the second radiating element.3. The wireless communication device according to claim 1 , wherein the feeder substrate is a multilayer substrate claim 1 , the first radiating element includes a coil pattern claim 1 , and at least a portion of the coil pattern is built into the multilayer substrate.4. The wireless communication device according to claim 1 , wherein the feeder circuit includes a wireless IC chip that processes a high-frequency signal.5. The wireless communication device according to claim 1 , wherein the first and second radiating elements and the feeder circuit are coupled to each other by any of magnetic field coupling claim 1 , capacitive coupling claim 1 , electric field coupling claim 1 , electromagnetic field coupling and direct current coupling.6. The wireless communication device according to claim 1 , wherein the first radiating element is built into the feeder substrate claim 1 , the substrate other than the feeder substrate is a printed wiring board claim 1 , and the second radiating element is located on the printed wiring board.7. The wireless communication device according to claim 6 , wherein the feeder substrate is mounted on the second radiating element and the feeder substrate is connected to the second radiating element only via the feeder terminal.8. The wireless communication device according to claim 1 , ...

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15-08-2013 дата публикации

HYBRID ANTENNA FOR PORTABLE COMMUNICATION DEVICES

Номер: US20130207856A1
Принадлежит: MOTOROLA SOLUTIONS, INC.

An antenna structure () commences at a feed point () that is coupled to an inverted F antenna section (). The inverted F antenna section is coupled to a monopole section () that is further coupled to a helical section (). The inverted F section, monopole section, and helical section are coupled in series together. 1. An antenna structure for a portable radio transceiver device , comprising:an inverted F section having a feed point, an inductive feed shunt coupled between the feed point and a ground, and a meander portion having a distal end opposite the feed point;a monopole section having a first end and a terminal end, the first end coupled to the distal end of the inverted F section; anda helical section coupled to the terminal end of the monopole section.2. The antenna structure of claim 1 , wherein the inverted F section is disposed on a circuit board within the portable radio transceiver device.3. The antenna structure of claim 2 , wherein the feed point of the inverted F section is centrally located on the circuit board.4. The antenna structure of claim 3 , wherein the meander portion of the inverted F section meanders away from the feed point towards a periphery of the circuit board claim 3 , and wherein the circuit board lacks a ground plane in the region of the circuit board over which the meander portion is disposed.5. The antenna structure of claim 1 , wherein the monopole section comprises a first monopole element and a second monopole element coupled in series claim 1 , the first monopole element coupled to the distal end of the inverted F section claim 1 , the second monopole element coupled to the helical section claim 1 , the first and second monopole elements having different orientations.6. The antenna structure of claim 5 , wherein the first monopole element is a substantially U-shaped element having a planar configuration oriented in a plane that is orthogonal to a plane of orientation of the meander portion of the inverted F section.7. The ...

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15-08-2013 дата публикации

ANTENNA-DEVICE SUBSTRATE AND ANTENNA DEVICE

Номер: US20130207858A1
Принадлежит: MITSUBIISHI MATERIALS CORPORATION

Provided is an antenna-device substrate which is capable of flexibly adjusting multiple resonance frequencies, and also provided is an antenna device. The antenna-device substrate is provided with a substrate main body (), a ground plane (GND) on the surface of the substrate main body (), first to third elements ( to ), and a short part () connecting the first element () and the second element (). The first element is provided with a feed point (FP) at the base end and extends comprising a first connector (C) of a first passive element (P). The second element is connected to the ground plane and is provided with a first antenna element (AT) at the tip end, and extends comprising a second connector (C) of a second passive element (P) and comprising a fourth passive element (P). The third element extends comprising a third connector (C) of a third passive element (P). The first element extends with a gap provided between the first element and each of the second element, the third element, and the ground plane such that a floating capacitance can be generated therebetween. 1. An antenna-device substrate comprising:an insulating substrate main body;a ground plane, a first element, a second element, and a third element each of which is in the form of metal foil and has been patterned on the surface of the substrate main body; anda short part connecting a part of the first element and a part of the second element,wherein the first element is provided with a feed point at the base end and extends comprising a first connector of which the intermediate part is connectable to a first passive element, the second element is connected to the ground plane at the base end and is provided with a first antenna element of a dielectric antenna at the tip end, and extends comprising a second connector to which a second passive element is connectable and a fourth passive element connected closer to the ground plane side than the second connector, the third element extends comprising a ...

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15-08-2013 дата публикации

Microwave system

Номер: US20130208772A1
Принадлежит: Ubiquiti Networks Inc

A microwave system comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus directed towards the radiator. The circuit board is physically integrated within the feed mechanism of the center fed parabolic reflector and the radio transceiver is configured to provide OSI layer support.

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22-08-2013 дата публикации

READER ANTENNA AND RFID ELECTRONIC SHELF INCLUDING THE SAME

Номер: US20130214046A1

A reader antenna includes dipole antennas, the dipole antennas including: a horizontal dipole antenna having the characteristic of horizontal polarization; and a dipole antenna perpendicular to the horizontal dipole antenna and including a vertical dipole antenna having the characteristic of vertical polarization, wherein the horizontal dipole antenna and the vertical dipole antenna may both have the characteristic of circular polarization. The reader antenna can be easily stored in an electronic shelf because it is realized in an ultrathin structure using a single-layered dielectric substrate. 1. A reader antenna comprising dipole antennas , the dipole antennas comprising:a horizontal dipole antenna having the characteristic of horizontal polarization; anda dipole antenna perpendicular to the horizontal dipole antenna and comprising a vertical dipole antenna having the characteristic of vertical polarization,wherein the horizontal dipole antenna and the vertical dipole antenna both have the characteristic of circular polarization.2. The reader antenna of claim 1 , wherein the horizontal dipole antenna comprises:a dielectric layer;a first horizontal unipole antenna formed in a first direction on the top surface of the dielectric layer; anda second horizontal unipole antenna formed on the bottom surface of the dielectric layer and coupled to the first horizontal unipole antenna to form the dipole antennas.3. The reader antenna of claim 2 , wherein the horizontal dipole antenna further comprises:a first horizontal feed line formed on the top surface of the dielectric layer and connected to the first horizontal unipole antenna; anda second horizontal feed line formed on the bottom surface of the dielectric layer and connected to the second horizontal unipole antenna,wherein a first horizontal impedance matching slot is formed at a connecting portion of the first horizontal unipole antenna connected to the first horizontal feed line, anda second horizontal impedance ...

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29-08-2013 дата публикации

HYBRID ANTENNAS FOR ELECTRONIC DEVICES

Номер: US20130222195A1
Принадлежит: Apple Inc.

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. 1. An antenna for an electronic device , wherein the antenna has a resonant frequency , comprising:at least one conductive structure that forms an antenna resonating element; andat least one removable conductive resonant frequency trim member that is mounted to the conductive structure, wherein the removable conductive resonant frequency trim member is configured to tune the resonant frequency of the antenna.2. The antenna defined in claim 1 , wherein the removable conductive resonant frequency trim member comprises conductive foam.3. The antenna defined in claim 2 , further comprising:adhesive interposed between the conductive foam and the at least one conductive structure.4. The antenna defined in claim 1 , wherein the at least one conductive structure forms an antenna slot and wherein the removable conductive resonant frequency trim member is mounted within the antenna slot.5. The antenna defined in claim 4 , wherein the at least one conductive structure that forms the antenna slot comprises a bezel for the electronic device.6. The antenna defined in ...

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19-09-2013 дата публикации

Rfid tag system and rfid reader/writer

Номер: US20130241702A1
Автор: Hidekatsu Nogami
Принадлежит: Omron Corp

An aspect of the present invention provides an RFID tag system in which a null point is hardly generated. The RFID tag system includes an RFID tag and an RFID reader/writer. The RFID reader/writer includes a transmitter that transmits a circularly-polarized radio wave to the RFID tag, a receiver that separately receives horizontal and vertical polarization components of a return wave from the RFID tag; and a received signal combiner that logically combines signals separately received by the receiver. The received signal combiner includes an optimum combiner that combines the horizontal polarization component and the vertical polarization component such that an S/N ratio of the received signal is enhanced compared with the case that the horizontal polarization component and the vertical polarization component are separately received.

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19-09-2013 дата публикации

Rfid reader/writer and rfid tag system

Номер: US20130241703A1
Автор: Hidekatsu Nogami
Принадлежит: Omron Corp

An aspect of the present invention provides an RFID reader/writer in which a null point is not generated. The RFID reader/writer includes an RFID tag and an RFID reader/writer. The RFID reader/writer and the RFID tag conduct communication with each other while an antenna of the RFID reader/writer and an antenna of the RFID tag are slanted.

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19-09-2013 дата публикации

ANTENNA AND COMBINATION ANTENNA

Номер: US20130241778A1
Принадлежит:

Provided are an antenna and a combination antenna having a wide directivity in a predetermined plane direction. The antenna is configured to have rims at left and right ends of a dielectric substrate in the X direction in such a manner as to sandwich antenna elements . The rims may be metal plates or EBGs. As the rims are thus provided at both sides to sandwich the antenna elements , it is possible to reduce the width of the dielectric substrate of the antenna required for realizing wide coverage. As a result, it is possible to create a greater space for integration of another RF circuit and improve the space factor. 1. An antenna comprising:a dielectric substrate;at least one antenna element provided on the dielectric substrate and having magnetic current as a main radiating source, the antenna element being arranged such that an Eθ component as main polarized waves is placed in a horizontal direction; andrims made of metal plates or EBGs (Electromagnetic band Gap) with a predetermined periodic structure provided at respective sides on the dielectric substrate in such a manner as to sandwich the antenna element in the horizontal direction.2. The antenna of claim 1 , wherein the antenna element is a printed dipole antenna or a micro strip antenna (patch antenna).3. The antenna of or claim 1 , whereinthe at least one antenna element comprises two or more antenna elements, the antenna elements are arranged in line in a vertical direction, and {'br': None, 'i': ' Подробнее

19-09-2013 дата публикации

Multi-resonance antenna, antenna module, radio device and methods

Номер: US20130241779A1
Автор: Heikki Korva
Принадлежит: Pulse Finland Oy

An internal dual band antenna meant for small radio devices. In one embodiment, the antenna contains two radiators and a parasite element, which is shared between them. The parasite element is implemented on three sides of the antenna module, which are perpendicular to the side where the two radiators are implemented. The short-circuit conductor of the parasite element extends close to the supply point/points of the antenna on the circuit board of the radio device and is connected to the ground plane of the radio device. The antenna structure is dimensioned such that the two resonance frequencies on both functional bands are at a lower frequency than the resonance frequencies of the actual radiators. Accordingly, both the lower and upper frequency band is widened. The shape of the parasite element does not weaken the adaptation of the antenna in either functional band.

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19-09-2013 дата публикации

Ultra-High Frequency (UHF)-Global Positioning System (GPS) Integrated Antenna System for a Handset

Номер: US20130241783A1
Принадлежит: Mitre Corp

Embodiments provide an integrated antenna system that enables dual-use operation (e.g., communications and navigation). In an embodiment, the integrated antenna system includes a sleeve monopole antenna system and stacked shorted annular ring (SAR) patch antenna system, which are compactly integrated to fit on a military handset or a smart phone. In an embodiment, the integrated antenna system enables communication in the 225-450 MHz Ultra-High Frequency (UHF) band and reception of various Global Navigation Satellite System (GNSS) bands.

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19-09-2013 дата публикации

ANTENNA ARRAY

Номер: US20130241789A1
Принадлежит:

A circuit board for wireless communications includes communication circuitry for modulating and/or demodulating a radio frequency (RF) signal and an antenna apparatus for transmitting and receiving the RF signal, the antenna apparatus having selectable antenna elements located near one or more peripheries of the circuit board. A first antenna element produces a first directional radiation pattern; a second antenna element produces a second directional radiation pattern offset from the first radiation pattern. The antenna elements may include one or more reflectors configured to provide gain and broaden the frequency response of the antenna element. A switching network couples one or more of the selectable elements to the communication circuitry and provides impedance matching regardless of which or how many of the antenna elements are selected. Selecting different combinations of antenna elements results in a configurable radiation pattern; alternatively, selecting several elements may result in an omnidirectional radiation pattern. 1. A system , comprising:a circuit board;communication circuitry coupled to the circuit board, the communication circuitry configured to provide an RF signal into an antenna feed port of the circuit board;a first antenna element located near a first periphery of the circuit board, the first antenna element configured to produce a first directional radiation pattern when coupled to the antenna feed port; anda second antenna element located near a second periphery of the circuit board, the second antenna element configured to produce a second directional radiation pattern offset from the first directional radiation pattern when coupled to the antenna feed port.2. The system of further comprising a switching network configured to selectively couple the antenna feed port to the first antenna element and the second antenna element.3. The system of wherein the switching network comprises a first RF switch located at about a multiple of one- ...

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19-09-2013 дата публикации

MICROSTRIP ANTENNA

Номер: US20130241794A1
Принадлежит:

The subject matter described herein relates a microstrip antenna. In one implementation, the microstrip antenna comprises a dielectric substrate, a first metallic layer on a first side of the dielectric substrate and a second metallic layer on a second side, opposite to the first side, of the dielectric substrate. The first metallic layer on the dielectric substrate comprises one or more end-to-end slots to divide the first metallic layer into a plurality of microstrip patches. The microstrip antenna also comprises a feed circuit which is electromagnetically coupled to the plurality of microstrip patches and the second metallic layer. 1. A microstrip antenna comprising:a dielectric substrate;a first metallic layer on a first side of the dielectric substrate, wherein the first metallic layer comprises one or more end-to-end slots to divide the first metallic layer into a plurality of microstrip patches;a second metallic layer on a second side, opposite to the first side, of the dielectric substrate; anda feed circuit electromagnetically coupled to the plurality of microstrip patches and the second metallic layer.2. The microstrip antenna as claimed in claim 1 , wherein the first metallic layer is of a predefined first shape based on a radiation pattern claim 1 , wherein the predefined first shape is one selected from a group consisting of a circular shape claim 1 , an elliptical shape claim 1 , a rectangular shape and a square shape.3. The microstrip antenna as claimed in claim 1 , wherein the first metallic layer is of a predefined dimension along a plane of the dielectric substrate claim 1 , wherein the predefined dimension is based on an operation frequency and a radiation pattern.4. The microstrip antenna as claimed in claim 3 , wherein the predefined dimension of the first metallic layer is in a range from about ¼ times to about ½ times a free-space wavelength of EM radiations claim 3 , transmitted and received by the microstrip antenna claim 3 , at the ...

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19-09-2013 дата публикации

Antenna device

Номер: US20130241796A1
Автор: Shoji Nagumo
Принадлежит: Murata Manufacturing Co Ltd

An antenna device can detect the surrounding environment and appropriately corrected and maintain stable antenna characteristics. The antenna device includes at least first and second antenna element electrodes, an antenna matching circuit provided along a wireless communication signal path for the first antenna element electrode, a capacitance detection circuit connected to the second antenna element electrode and operable to detect stray capacitance of the antenna element electrode using a sensing signal. A matching control circuit controls the antenna matching circuit in accordance with an output signal of the capacitance detection circuit.

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