BRPI0710366A8 - Elemento de sintonia e ressonador sintonizável - Google Patents

Elemento de sintonia e ressonador sintonizável

Info

Publication number
BRPI0710366A8
BRPI0710366A8 BRPI0710366A BRPI0710366A BRPI0710366A8 BR PI0710366 A8 BRPI0710366 A8 BR PI0710366A8 BR PI0710366 A BRPI0710366 A BR PI0710366A BR PI0710366 A BRPI0710366 A BR PI0710366A BR PI0710366 A8 BRPI0710366 A8 BR PI0710366A8
Authority
BR
Brazil
Prior art keywords
tuning element
resonator
piezoelectric
field
conductive coating
Prior art date
Application number
BRPI0710366A
Other languages
English (en)
Inventor
Närhi Harri
Original Assignee
Powerwave Comtek Oy
Powerwave Finland Oy
P Wave Holdings Llc
Powerwave Oy
Powerwave Tech Inc
Powerwave Tech S A R L
Intel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Powerwave Comtek Oy, Powerwave Finland Oy, P Wave Holdings Llc, Powerwave Oy, Powerwave Tech Inc, Powerwave Tech S A R L, Intel Corp filed Critical Powerwave Comtek Oy
Publication of BRPI0710366A2 publication Critical patent/BRPI0710366A2/pt
Publication of BRPI0710366A8 publication Critical patent/BRPI0710366A8/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity resonators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/04—Coaxial resonators
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type
    • H10N30/2042—Cantilevers, i.e. having one fixed end

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

ELEMENTO DE SINTONIA E RESSONADOR SINTONIZÁVEL. Elemento de sintonia baseado em piezeletricidade e um ressonador dotado deste membro. O elemento básico piezelétrico inclui pelo menos uma camada piezelétrica (341, 342) e uma camada metálica (343). Este elemento básico é primeiramente revestido com uma fina camada isolante (346) e então, com um bom condutor (347) . A espessura do revestimento condutor é maior que a profundidade de pele de um campo que corresponde à freqüência de operação da estrutura no condutor. O elemento de sintonia (340) assim formado é fixado, por exemplo, em alguma superfície interna da cavidade do ressonador para mudar a freqüência natural do ressonador por controle elétrico. Ao usar o elemento de sintonia, não são necessários arranjos mecânicos para a movimentação do elemento de sintonia. Além disso, o elemento de sintonia não causa perdas dielétricas consideráveis nem intermodulação quando estiver em um campo eletromagnético de radiofreqüência, porque o campo não pode penetrar de maneira significativa no revestimento condutor no interior do material piezelétrico.
BRPI0710366A 2006-04-27 2007-04-17 Elemento de sintonia e ressonador sintonizável BRPI0710366A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20065272A FI122012B (fi) 2006-04-27 2006-04-27 Virityselin ja viritettävä resonaattori
FI20065272 2006-04-27
PCT/FI2007/050198 WO2007125161A1 (en) 2006-04-27 2007-04-17 Tuning element and tunable resonator

Publications (2)

Publication Number Publication Date
BRPI0710366A2 BRPI0710366A2 (pt) 2011-08-16
BRPI0710366A8 true BRPI0710366A8 (pt) 2017-12-05

Family

ID=36293866

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0710366A BRPI0710366A8 (pt) 2006-04-27 2007-04-17 Elemento de sintonia e ressonador sintonizável

Country Status (6)

Country Link
US (1) US8149074B2 (pt)
EP (1) EP2013939B1 (pt)
CN (1) CN101438457B (pt)
BR (1) BRPI0710366A8 (pt)
FI (1) FI122012B (pt)
WO (1) WO2007125161A1 (pt)

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US8333005B2 (en) * 2009-08-10 2012-12-18 James Thomas LaGrotta Method of constructing a tunable RF filter
US9564672B2 (en) * 2011-03-22 2017-02-07 Intel Corporation Lightweight cavity filter structure
US8598969B1 (en) * 2011-04-15 2013-12-03 Rockwell Collins, Inc. PCB-based tuners for RF cavity filters
US20130278610A1 (en) * 2012-04-19 2013-10-24 Qualcomm Mems Technologies, Inc. Topped-post designs for evanescent-mode electromagnetic-wave cavity resonators
US9178256B2 (en) * 2012-04-19 2015-11-03 Qualcomm Mems Technologies, Inc. Isotropically-etched cavities for evanescent-mode electromagnetic-wave cavity resonators
JP2015109551A (ja) * 2013-12-04 2015-06-11 ソニー株式会社 チューナ装置
EP2887449A1 (en) * 2013-12-17 2015-06-24 Alcatel Lucent Tunable cavity filter
WO2018103102A1 (zh) * 2016-12-09 2018-06-14 华为技术有限公司 滤波装置
US11133567B2 (en) 2019-09-30 2021-09-28 Nokia Shanghai Bell Co., Ltd. Capacitive coupling tuner
CN113725571A (zh) * 2020-05-20 2021-11-30 大富科技(安徽)股份有限公司 调谐螺杆、滤波器及通信设备
KR20220006734A (ko) * 2020-07-09 2022-01-18 삼성전자주식회사 무선 통신 시스템에서 안테나 필터 및 이를 포함하는 전자 장치
CN113346215A (zh) * 2021-06-29 2021-09-03 大富科技(安徽)股份有限公司 一种谐振器、滤波器、双工器、多工器及通信设备
WO2025124689A1 (en) * 2023-12-11 2025-06-19 Telefonaktiebolaget Lm Ericsson (Publ) Tunable electromagnetic cavity resonator

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US3471811A (en) 1967-05-05 1969-10-07 Litton Precision Prod Inc Tunable microwave cavity using a piezoelectric device
US4028646A (en) * 1974-12-30 1977-06-07 Matsushita Electric Industrial Co., Ltd. Elastic surface wave devices and method for making the same
DE2755116C2 (de) 1977-12-10 1984-08-02 Standard Elektrik Lorenz Ag, 7000 Stuttgart Oszillator mit einem in einem Gehäuse dicht eingebauten Resonator
US4435680A (en) 1981-10-09 1984-03-06 Medical College Of Wisconsin Microwave resonator structure
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JPH04179286A (ja) 1990-11-14 1992-06-25 Nec Corp 積層圧電アクチュエータ
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WO2002017430A1 (en) * 2000-08-22 2002-02-28 Paratek Microwave, Inc. Combline filters with tunable dielectric capacitors
GB0108256D0 (en) * 2001-04-03 2001-05-23 South Bank Univ Entpr Ltd Tuneable dielectric resonators
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US7728701B2 (en) * 2006-06-12 2010-06-01 Regents Of The University Of California Waveguide-based MEMS tunable filters and phase shifters

Also Published As

Publication number Publication date
US20100007442A1 (en) 2010-01-14
FI20065272A0 (fi) 2006-04-27
EP2013939A4 (en) 2012-12-26
WO2007125161A1 (en) 2007-11-08
FI122012B (fi) 2011-07-15
EP2013939A1 (en) 2009-01-14
BRPI0710366A2 (pt) 2011-08-16
CN101438457A (zh) 2009-05-20
CN101438457B (zh) 2013-09-25
FI20065272L (fi) 2007-10-28
US8149074B2 (en) 2012-04-03
EP2013939B1 (en) 2017-01-18

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Legal Events

Date Code Title Description
B25C Requirement related to requested transfer of rights

Owner name: POWERWAVE COMTEK OY (FI)

B25A Requested transfer of rights approved

Owner name: POWERWAVE FINLAND OY (FI)

B25A Requested transfer of rights approved

Owner name: POWERWAVE OY (FI)

B25A Requested transfer of rights approved

Owner name: POWERWAVE FINLAND OY (FI)

B25A Requested transfer of rights approved

Owner name: POWERWAVE TECHNOLOGIES, INC. (US)

B25A Requested transfer of rights approved

Owner name: P-WAVE HOLDINGS, LLC (US)

B25A Requested transfer of rights approved

Owner name: POWERWAVE TECHNOLOGIES S.A.R.L. (LU)

B25E Requested change of name of applicant rejected

Owner name: POWERWAVE TECHNOLOGIES S.A.R.L. (LU)

B25A Requested transfer of rights approved

Owner name: INTEL CORPORATION (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H01P 7/04 , H01L 41/083

Ipc: H01L 41/04 (1974.07), H01L 41/09 (1990.01), H01P 7

B11E Dismissal acc. art. 34 of ipl - requirements for examination incomplete
B11T Dismissal of application maintained [chapter 11.20 patent gazette]