JP2008228315A5 - - Google Patents

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Publication number
JP2008228315A5
JP2008228315A5 JP2008068315A JP2008068315A JP2008228315A5 JP 2008228315 A5 JP2008228315 A5 JP 2008228315A5 JP 2008068315 A JP2008068315 A JP 2008068315A JP 2008068315 A JP2008068315 A JP 2008068315A JP 2008228315 A5 JP2008228315 A5 JP 2008228315A5
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JP
Japan
Prior art keywords
antenna
tunable
radiator
dielectric
capacitor
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Legal status (The legal status 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 status listed.)
Pending
Application number
JP2008068315A
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English (en)
Japanese (ja)
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JP2008228315A (ja
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Publication date
Priority claimed from US09/904,631 external-priority patent/US6690251B2/en
Application filed filed Critical
Publication of JP2008228315A publication Critical patent/JP2008228315A/ja
Publication of JP2008228315A5 publication Critical patent/JP2008228315A5/ja
Pending legal-status Critical Current

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JP2008068315A 2001-04-11 2008-03-17 逆ｆ強誘電体アンテナ Pending JP2008228315A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US28309301P 2001-04-11 2001-04-11
US09/904,631 US6690251B2 (en) 2001-04-11 2001-07-13 Tunable ferro-electric filter
US09/912,753 US6639491B2 (en) 2001-04-11 2001-07-24 Tunable ferro-electric multiplexer
US09/927,732 US6690176B2 (en) 2001-04-11 2001-08-08 Low-loss tunable ferro-electric device and method of characterization
US09/927,136 US6825818B2 (en) 2001-04-11 2001-08-10 Tunable matching circuit

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2002581630A Division JP4452444B2 (ja) 2001-04-11 2002-04-09 逆ｆ強誘電体アンテナ

Publications (2)

Publication Number Publication Date
JP2008228315A JP2008228315A (ja) 2008-09-25
JP2008228315A5 true JP2008228315A5 (enExample) 2009-08-20

Family

ID=27540676

Family Applications (22)

Application Number Title Priority Date Filing Date
JP2002581616A Pending JP2004530360A (ja) 2001-04-11 2002-04-02 チューナブルマルチプレクサ
JP2002584476A Withdrawn JP2004524778A (ja) 2001-04-11 2002-04-02 チューナブル整合回路
JP2002581541A Expired - Fee Related JP4077322B2 (ja) 2001-04-11 2002-04-02 チューナブル強誘電性フィルタ
JP2002582012A Pending JP2004536287A (ja) 2001-04-11 2002-04-02 低損失チューニング可能強誘電体デバイスおよび特性決定の方法
JP2002584427A Pending JP2005502227A (ja) 2001-04-11 2002-04-04 強誘電体アンテナおよびそれを調整するための方法
JP2002581679A Expired - Fee Related JP4666564B2 (ja) 2001-04-11 2002-04-08 チューナブル電圧制御型発振器
JP2002581630A Expired - Fee Related JP4452444B2 (ja) 2001-04-11 2002-04-09 逆ｆ強誘電体アンテナ
JP2002581614A Expired - Fee Related JP4031367B2 (ja) 2001-04-11 2002-04-10 チューナブル位相シフタおよびそれに対するアプリケーション
JP2005344385A Pending JP2006109512A (ja) 2001-04-11 2005-11-29 チューナブルマルチプレクサ
JP2006223573A Pending JP2006320026A (ja) 2001-04-11 2006-08-18 チューナブル強誘電性フィルタ
JP2007211849A Expired - Fee Related JP4286304B2 (ja) 2001-04-11 2007-08-15 逆ｆ強誘電体アンテナ
JP2007211986A Pending JP2007295635A (ja) 2001-04-11 2007-08-15 強誘電体スロットアンテナ
JP2007211848A Pending JP2008005534A (ja) 2001-04-11 2007-08-15 逆ｆ強誘電体アンテナ
JP2007235998A Pending JP2007325321A (ja) 2001-04-11 2007-09-11 チューナブル位相シフタおよびそれに対するアプリケーション
JP2007235997A Expired - Fee Related JP4268205B2 (ja) 2001-04-11 2007-09-11 チューナブル位相シフタおよびそれに対するアプリケーション
JP2007265010A Pending JP2008072740A (ja) 2001-04-11 2007-10-10 チューナブルマルチプレクサ
JP2007265009A Pending JP2008022585A (ja) 2001-04-11 2007-10-10 チューナブルマルチプレクサ
JP2007273222A Pending JP2008035569A (ja) 2001-04-11 2007-10-19 チューナブル強誘電性フィルタ
JP2008031166A Pending JP2008167474A (ja) 2001-04-11 2008-02-12 強誘電体アンテナおよびそれを調整するための方法
JP2008054162A Pending JP2008219900A (ja) 2001-04-11 2008-03-04 低損失チューニング可能強誘電体デバイスおよび特性決定の方法
JP2008068315A Pending JP2008228315A (ja) 2001-04-11 2008-03-17 逆ｆ強誘電体アンテナ
JP2009136312A Pending JP2009268122A (ja) 2001-04-11 2009-06-05 チューナブル整合回路

Family Applications Before (20)

Application Number Title Priority Date Filing Date
JP2002581616A Pending JP2004530360A (ja) 2001-04-11 2002-04-02 チューナブルマルチプレクサ
JP2002584476A Withdrawn JP2004524778A (ja) 2001-04-11 2002-04-02 チューナブル整合回路
JP2002581541A Expired - Fee Related JP4077322B2 (ja) 2001-04-11 2002-04-02 チューナブル強誘電性フィルタ
JP2002582012A Pending JP2004536287A (ja) 2001-04-11 2002-04-02 低損失チューニング可能強誘電体デバイスおよび特性決定の方法
JP2002584427A Pending JP2005502227A (ja) 2001-04-11 2002-04-04 強誘電体アンテナおよびそれを調整するための方法
JP2002581679A Expired - Fee Related JP4666564B2 (ja) 2001-04-11 2002-04-08 チューナブル電圧制御型発振器
JP2002581630A Expired - Fee Related JP4452444B2 (ja) 2001-04-11 2002-04-09 逆ｆ強誘電体アンテナ
JP2002581614A Expired - Fee Related JP4031367B2 (ja) 2001-04-11 2002-04-10 チューナブル位相シフタおよびそれに対するアプリケーション
JP2005344385A Pending JP2006109512A (ja) 2001-04-11 2005-11-29 チューナブルマルチプレクサ
JP2006223573A Pending JP2006320026A (ja) 2001-04-11 2006-08-18 チューナブル強誘電性フィルタ
JP2007211849A Expired - Fee Related JP4286304B2 (ja) 2001-04-11 2007-08-15 逆ｆ強誘電体アンテナ
JP2007211986A Pending JP2007295635A (ja) 2001-04-11 2007-08-15 強誘電体スロットアンテナ
JP2007211848A Pending JP2008005534A (ja) 2001-04-11 2007-08-15 逆ｆ強誘電体アンテナ
JP2007235998A Pending JP2007325321A (ja) 2001-04-11 2007-09-11 チューナブル位相シフタおよびそれに対するアプリケーション
JP2007235997A Expired - Fee Related JP4268205B2 (ja) 2001-04-11 2007-09-11 チューナブル位相シフタおよびそれに対するアプリケーション
JP2007265010A Pending JP2008072740A (ja) 2001-04-11 2007-10-10 チューナブルマルチプレクサ
JP2007265009A Pending JP2008022585A (ja) 2001-04-11 2007-10-10 チューナブルマルチプレクサ
JP2007273222A Pending JP2008035569A (ja) 2001-04-11 2007-10-19 チューナブル強誘電性フィルタ
JP2008031166A Pending JP2008167474A (ja) 2001-04-11 2008-02-12 強誘電体アンテナおよびそれを調整するための方法
JP2008054162A Pending JP2008219900A (ja) 2001-04-11 2008-03-04 低損失チューニング可能強誘電体デバイスおよび特性決定の方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2009136312A Pending JP2009268122A (ja) 2001-04-11 2009-06-05 チューナブル整合回路

Country Status (7)

Country Link
EP (8) EP1377994B1 (enExample)
JP (22) JP2004530360A (enExample)
CN (5) CN1294673C (enExample)
AT (8) ATE311606T1 (enExample)
DE (8) DE60237808D1 (enExample)
ES (7) ES2319106T3 (enExample)
WO (10) WO2002084310A1 (enExample)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6690251B2 (en) 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US7164329B2 (en) 2001-04-11 2007-01-16 Kyocera Wireless Corp. Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal
US7154440B2 (en) 2001-04-11 2006-12-26 Kyocera Wireless Corp. Phase array antenna using a constant-gain phase shifter
US7394430B2 (en) 2001-04-11 2008-07-01 Kyocera Wireless Corp. Wireless device reconfigurable radiation desensitivity bracket systems and methods
US7221243B2 (en) 2001-04-11 2007-05-22 Kyocera Wireless Corp. Apparatus and method for combining electrical signals
US7174147B2 (en) 2001-04-11 2007-02-06 Kyocera Wireless Corp. Bandpass filter with tunable resonator
US7071776B2 (en) 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US7184727B2 (en) 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7180467B2 (en) 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
US7176845B2 (en) 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
DE10316719B4 (de) 2003-04-11 2018-08-02 Snaptrack, Inc. Frontendschaltung für drahtlose Übertragungssysteme
US7030463B1 (en) 2003-10-01 2006-04-18 University Of Dayton Tuneable electromagnetic bandgap structures based on high resistivity silicon substrates
JP2005236389A (ja) * 2004-02-17 2005-09-02 Kyocera Corp アレーアンテナおよびそれを用いた無線通信装置
US7248845B2 (en) 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
CN100578914C (zh) * 2004-10-11 2010-01-06 Lm爱立信电话有限公司 温度依赖性减小的可变电抗器装置
US8229366B2 (en) * 2005-04-08 2012-07-24 Qualcomm, Incorporated Tunable duplexer with common node notch filter
US20060274476A1 (en) * 2005-04-13 2006-12-07 Andrew Cervin-Lawry Low loss thin film capacitor and methods of manufacturing the same
JP4530951B2 (ja) * 2005-08-29 2010-08-25 京セラ株式会社 誘電定数測定方法及び両端開放形半波長コプレナーライン共振器
DE102005044856A1 (de) * 2005-09-13 2007-03-22 IHP GmbH - Innovations for High Performance Microelectronics/Institut für innovative Mikroelektronik Verringerte Übersprache zwischen benachbarten Frequenzbereichen in einem elektronischen Bauelement mit einem Verstärker oder Mischer und abstimmbarer Impedenzanpassung
KR101598446B1 (ko) * 2005-11-18 2016-03-02 레저넌트 인크. 저손실의 튜너블 무선 주파수 필터
JP4838572B2 (ja) * 2005-11-24 2011-12-14 株式会社エヌ・ティ・ティ・ドコモ 安定化回路、マルチバンド増幅回路
US7548762B2 (en) 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network
JP4621155B2 (ja) * 2006-02-28 2011-01-26 株式会社エヌ・ティ・ティ・ドコモ 可変フィルタ
EP2031702A1 (en) * 2006-06-12 2009-03-04 Murata Manufacturing Co. Ltd. Surface-mounted antenna and antenna device
US7893879B2 (en) 2006-09-21 2011-02-22 Mitsumi Electric Co., Ltd. Antenna apparatus
JP4731515B2 (ja) * 2007-03-29 2011-07-27 富士通株式会社 チューナブルフィルタおよびその作製方法
JP2008258670A (ja) * 2007-03-30 2008-10-23 Matsushita Electric Ind Co Ltd アンテナ装置及び携帯端末
KR100964652B1 (ko) * 2007-05-03 2010-06-22 주식회사 이엠따블유 다중 대역 안테나 및 그를 포함하는 무선 통신 장치
EP2168202B1 (en) * 2007-06-27 2013-07-31 Superconductor Technologies, Inc. Low-loss tunable radio frequency filter
EP2168206B1 (en) 2007-08-29 2018-08-22 Avago Technologies General IP (Singapore) Pte. Ltd. Electronically steerable antenna
JP4924327B2 (ja) * 2007-09-26 2012-04-25 Ｔｄｋ株式会社 アンテナ装置及びその特性調整方法
JP4835572B2 (ja) * 2007-10-16 2011-12-14 日立電線株式会社 同調型アンテナ
CN101855776B (zh) * 2007-11-14 2013-08-28 爱立信电话股份有限公司 改进的天线转换设备
JP2009164997A (ja) * 2008-01-09 2009-07-23 Mitsubishi Electric Corp 帯域可変フィルタ
US7922975B2 (en) 2008-07-14 2011-04-12 University Of Dayton Resonant sensor capable of wireless interrogation
WO2010049984A1 (ja) * 2008-10-27 2010-05-06 三菱電機株式会社 無線通信装置
KR101615760B1 (ko) 2009-07-22 2016-04-27 삼성전자주식회사 이동통신 단말기의 안테나 장치 제조 방법
IL201812A (en) * 2009-10-29 2015-01-29 Elta Systems Ltd Wave-guided antenna
JP5526726B2 (ja) * 2009-11-20 2014-06-18 富士通株式会社 無線タグ
DE102009059873A1 (de) 2009-12-21 2011-06-22 Epcos Ag, 81669 Varaktor und Verfahren zur Herstellung eines Varaktors
WO2012011288A1 (ja) 2010-07-22 2012-01-26 パナソニック株式会社 点灯回路、ランプ及び照明装置
DE102010046677B4 (de) 2010-09-27 2017-10-12 Snaptrack Inc. Schaltungsanordnung
JP5561615B2 (ja) * 2011-01-18 2014-07-30 三菱マテリアル株式会社 アンテナ装置
CN102347743A (zh) * 2011-05-19 2012-02-08 南京信息工程大学 一种调节滤波器通频带的方法及滤波器
US9166640B2 (en) 2012-02-10 2015-10-20 Infineon Technologies Ag Adjustable impedance matching network
US9184722B2 (en) * 2012-02-10 2015-11-10 Infineon Technologies Ag Adjustable impedance matching network
US9000866B2 (en) 2012-06-26 2015-04-07 University Of Dayton Varactor shunt switches with parallel capacitor architecture
US9179336B2 (en) 2013-02-19 2015-11-03 Mimosa Networks, Inc. WiFi management interface for microwave radio and reset to factory defaults
US9930592B2 (en) 2013-02-19 2018-03-27 Mimosa Networks, Inc. Systems and methods for directing mobile device connectivity
US9130305B2 (en) 2013-03-06 2015-09-08 Mimosa Networks, Inc. Waterproof apparatus for cables and cable interfaces
US9362629B2 (en) 2013-03-06 2016-06-07 Mimosa Networks, Inc. Enclosure for radio, parabolic dish antenna, and side lobe shields
US9191081B2 (en) 2013-03-08 2015-11-17 Mimosa Networks, Inc. System and method for dual-band backhaul radio
US10320357B2 (en) 2013-03-15 2019-06-11 Wispry, Inc. Electromagnetic tunable filter systems, devices, and methods in a wireless communication network for supporting multiple frequency bands
US9295103B2 (en) 2013-05-30 2016-03-22 Mimosa Networks, Inc. Wireless access points providing hybrid 802.11 and scheduled priority access communications
US10938110B2 (en) 2013-06-28 2021-03-02 Mimosa Networks, Inc. Ellipticity reduction in circularly polarized array antennas
WO2015017452A1 (en) * 2013-07-29 2015-02-05 Wispry,Inc. Adaptive filter response systems and methods
US9160296B2 (en) * 2014-01-21 2015-10-13 Qualcomm Incorporated Passive switch-based phase shifter
US9001689B1 (en) 2014-01-24 2015-04-07 Mimosa Networks, Inc. Channel optimization in half duplex communications systems
DE102014102521B4 (de) * 2014-02-26 2023-10-19 Snaptrack, Inc. Abstimmbare HF-Filterschaltung
DE102014102707A1 (de) * 2014-02-28 2015-09-03 Epcos Ag Abstimmbares elektroakustisches HF-Filter mit verbesserten elektrischen Eigenschaften und Verfahren zum Betrieb eines solchen Filters
US9780892B2 (en) 2014-03-05 2017-10-03 Mimosa Networks, Inc. System and method for aligning a radio using an automated audio guide
US9998246B2 (en) 2014-03-13 2018-06-12 Mimosa Networks, Inc. Simultaneous transmission on shared channel
JP6321290B2 (ja) * 2014-09-03 2018-05-09 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 複合右手／左手系送信ラインアンテナ
US10958332B2 (en) 2014-09-08 2021-03-23 Mimosa Networks, Inc. Wi-Fi hotspot repeater
CN104993801A (zh) * 2015-08-01 2015-10-21 王福建 一种双工器电路
WO2017123558A1 (en) * 2016-01-11 2017-07-20 Mimosa Networks, Inc. Printed circuit board mounted antenna and waveguide interface
CN105738708B (zh) * 2016-04-06 2018-08-07 中国舰船研究设计中心 一种短波天线调谐器插入损耗测量装置及方法
CN105932378B (zh) * 2016-06-13 2018-11-02 华南理工大学 一种带宽可控的平面可调带通-带阻滤波器
US11251539B2 (en) 2016-07-29 2022-02-15 Airspan Ip Holdco Llc Multi-band access point antenna array
GB201616637D0 (en) * 2016-09-30 2016-11-16 Radio Design Limited Multiplexer apparatus and method of use thereof
EP3319165B1 (en) * 2016-11-07 2020-03-18 Nokia Technologies Oy A radio frequency reflection type phase shifter, and method of phase shifting
JP6580278B2 (ja) * 2017-01-13 2019-09-25 三菱電機株式会社 高周波共振器及びこれを用いた高周波発振器
JP7011806B2 (ja) * 2017-10-06 2022-01-27 国立研究開発法人産業技術総合研究所 誘電体材料評価装置
US10498290B2 (en) * 2017-11-21 2019-12-03 Infineon Technologies Ag System and method for a VCO
US10511074B2 (en) 2018-01-05 2019-12-17 Mimosa Networks, Inc. Higher signal isolation solutions for printed circuit board mounted antenna and waveguide interface
WO2019168800A1 (en) 2018-03-02 2019-09-06 Mimosa Networks, Inc. Omni-directional orthogonally-polarized antenna system for mimo applications
CN108872713B (zh) * 2018-07-02 2020-06-02 京东方科技集团股份有限公司 液晶介电常数的测量装置、测量系统、测量方法
US11289821B2 (en) 2018-09-11 2022-03-29 Air Span Ip Holdco Llc Sector antenna systems and methods for providing high gain and high side-lobe rejection
CN110095654B (zh) * 2019-05-09 2020-12-22 东北电力大学 一种电网电感检测方法
CN113964513B (zh) * 2021-10-25 2024-01-26 国网天津市电力公司电力科学研究院 一种无线通信微波天线及其成型方法
EP4470113A4 (en) * 2022-02-23 2025-11-12 Univ Nat Tsing Hua TERAHERTZ TRANSCEIVER AND ITS MANUFACTURING PROCESS

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413543A (en) * 1965-04-23 1968-11-26 Gen Motors Corp Compensated ferroelectric hysteresiscope employing ground reference
US4378534A (en) * 1981-03-31 1983-03-29 Motorola, Inc. Wideband modulation sensitivity compensated voltage controlled oscillator
US4494081A (en) * 1982-05-24 1985-01-15 Rca Corporation Variable frequency U. H. F. local oscillator for a television receiver
US4475108A (en) * 1982-08-04 1984-10-02 Allied Corporation Electronically tunable microstrip antenna
DE3316881C1 (de) * 1983-05-07 1990-01-25 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Oszillatorschaltung fuer Fernsehempfangsgeraete
GB2178616B (en) * 1985-07-26 1989-04-26 Marconi Co Ltd Impedance matching arrangement
JPS639303A (ja) * 1986-06-30 1988-01-16 Murata Mfg Co Ltd マイクロ波フイルタ及びこれを用いた送受信機
US4736169A (en) * 1986-09-29 1988-04-05 Hughes Aircraft Company Voltage controlled oscillator with frequency sensitivity control
JPH082766B2 (ja) * 1987-03-09 1996-01-17 インペリアル・ケミカル・インダストリーズ・ピーエルシー 除草剤組成物
JP2693959B2 (ja) * 1988-02-08 1997-12-24 アルプス電気株式会社 局部発振回路
US4835499A (en) * 1988-03-09 1989-05-30 Motorola, Inc. Voltage tunable bandpass filter
JPH03160801A (ja) * 1989-11-17 1991-07-10 Matsushita Electric Ind Co Ltd 電圧制御発振器
JPH0394841U (enExample) * 1990-01-18 1991-09-27
EP0473373A3 (en) * 1990-08-24 1993-03-03 Rockwell International Corporation Calibration system for direct conversion receiver
FR2681994B1 (fr) * 1991-09-26 1994-09-30 Alcatel Telspace Dispositif de transmission numerique comportant un recepteur a demodulation coherente realisee directement en hyperfrequence.
US5293408A (en) * 1991-10-14 1994-03-08 Matsushita Electric Industrial Co., Ltd. FSK data receiving system
JPH05160616A (ja) * 1991-12-10 1993-06-25 Matsushita Electric Ind Co Ltd 薄膜共振器
US5166857A (en) * 1991-12-24 1992-11-24 Motorola Inc. Electronically tunable capacitor switch
US5472935A (en) * 1992-12-01 1995-12-05 Yandrofski; Robert M. Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films
JPH08509103A (ja) * 1992-12-01 1996-09-24 スーパーコンダクティング・コア・テクノロジーズ・インコーポレーテッド 高温度超電導膜および強誘電性膜を含む同調可能マイクロ波装置
JP2962966B2 (ja) * 1993-03-25 1999-10-12 三菱電機株式会社 整合回路装置
US5407855A (en) * 1993-06-07 1995-04-18 Motorola, Inc. Process for forming a semiconductor device having a reducing/oxidizing conductive material
US5496795A (en) * 1994-08-16 1996-03-05 Das; Satyendranath High TC superconducting monolithic ferroelectric junable b and pass filter
JPH0879069A (ja) * 1994-09-08 1996-03-22 Mitsubishi Electric Corp Ｖｃｏ回路及びｐｌｌ回路
US5617104A (en) * 1995-03-28 1997-04-01 Das; Satyendranath High Tc superconducting tunable ferroelectric transmitting system
US5479139A (en) * 1995-04-19 1995-12-26 The United States Of America As Represented By The Secretary Of The Army System and method for calibrating a ferroelectric phase shifter
JPH0969799A (ja) * 1995-09-01 1997-03-11 Antenna Giken Kk 自動制御サーキュレータ装置
US5640042A (en) * 1995-12-14 1997-06-17 The United States Of America As Represented By The Secretary Of The Army Thin film ferroelectric varactor
US6216020B1 (en) * 1996-05-31 2001-04-10 The Regents Of The University Of California Localized electrical fine tuning of passive microwave and radio frequency devices
JPH1013181A (ja) * 1996-06-21 1998-01-16 Nec Corp Ｉｆフィルタ自動整合方式
US6097263A (en) * 1996-06-28 2000-08-01 Robert M. Yandrofski Method and apparatus for electrically tuning a resonating device
JP3005472B2 (ja) * 1996-07-26 2000-01-31 埼玉日本電気株式会社 受信機
JPH10209714A (ja) * 1996-11-19 1998-08-07 Sharp Corp 電圧制御通過帯域可変フィルタおよびそれを用いる高周波回路モジュール
US5777524A (en) * 1997-07-29 1998-07-07 Motorola, Inc. Temperature compensation circuit for a crystal oscillator and associated circuitry
US5973519A (en) * 1997-01-20 1999-10-26 Nec Corporation Voltage controlled oscillator circuit capable of switching between oscillation frequency bands
US5880921A (en) * 1997-04-28 1999-03-09 Rockwell Science Center, Llc Monolithically integrated switched capacitor bank using micro electro mechanical system (MEMS) technology
JPH10335903A (ja) * 1997-05-28 1998-12-18 Sharp Corp 電圧制御通過帯域可変フィルタ、電圧制御共振周波数可変共振器およびそれらを用いる高周波回路モジュール
US6052036A (en) * 1997-10-31 2000-04-18 Telefonaktiebolaget L M Ericsson Crystal oscillator with AGC and on-chip tuning
JP3212930B2 (ja) * 1997-11-26 2001-09-25 日本電気株式会社 容量及びその製造方法
JPH11289229A (ja) * 1998-04-02 1999-10-19 Kokusai Electric Co Ltd 広帯域高周波増幅器
JP3454163B2 (ja) * 1998-08-05 2003-10-06 株式会社村田製作所 周波数可変型フィルタ、アンテナ共用器及び通信機装置
WO2000024080A1 (en) * 1998-10-16 2000-04-27 Paratek Microwave, Inc. Voltage tunable laminated dielectric materials for microwave applications
DE69909313T2 (de) * 1998-10-16 2004-06-03 Paratek Microwave, Inc. Spannungsgesteuerte varaktoren und abstimmbare geräte mit derartigen varaktoren
EP1135825B1 (en) * 1998-11-09 2005-04-27 Paratek Microwave, Inc. Ferroelectric varactor with built-in dc blocks
CA2352166A1 (en) * 1998-12-11 2000-06-15 Paratek Microwave, Inc. Electrically tunable filters with dielectric varactors
JP3552971B2 (ja) * 1998-12-14 2004-08-11 松下電器産業株式会社 アクティブフェイズドアレイアンテナ
JP2000323669A (ja) * 1999-03-10 2000-11-24 Sanyo Electric Co Ltd 半導体不揮発メモリ素子
DE19915247A1 (de) * 1999-04-03 2000-10-05 Philips Corp Intellectual Pty Spannungsabhängiger Dünnschichtkondensator
SE513809C2 (sv) * 1999-04-13 2000-11-06 Ericsson Telefon Ab L M Avstämbara mikrovågsanordningar
JP3475858B2 (ja) * 1999-06-03 2003-12-10 株式会社村田製作所 アンテナ共用器及び通信機装置
AU5618600A (en) * 1999-06-17 2001-01-09 Penn State Research Foundation, The Tunable dual-band ferroelectric antenna
SE516235C2 (sv) * 1999-06-18 2001-12-03 Ericsson Telefon Ab L M Avstämbar spiralantenn
JP2001036155A (ja) * 1999-07-21 2001-02-09 Japan Science & Technology Corp 電磁波素子
JP4652499B2 (ja) * 1999-07-29 2011-03-16 株式会社ダイヘン インピーダンス自動整合方法及び整合装置
US6292143B1 (en) * 2000-05-04 2001-09-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multi-mode broadband patch antenna
JP3640595B2 (ja) * 2000-05-18 2005-04-20 シャープ株式会社 積層パターンアンテナ及びそれを備えた無線通信装置
JP2001338839A (ja) * 2000-05-29 2001-12-07 Kyocera Corp 可変容量コンデンサ
WO2001099224A1 (en) * 2000-06-16 2001-12-27 Paratek Microwave, Inc. Electronically tunable dielectric composite thick films

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