ATE265094T1 - Halbeingebaute gedruckte multibandantenne - Google Patents

Halbeingebaute gedruckte multibandantenne

Info

Publication number
ATE265094T1
ATE265094T1 AT00953197T AT00953197T ATE265094T1 AT E265094 T1 ATE265094 T1 AT E265094T1 AT 00953197 T AT00953197 T AT 00953197T AT 00953197 T AT00953197 T AT 00953197T AT E265094 T1 ATE265094 T1 AT E265094T1
Authority
AT
Austria
Prior art keywords
patch element
band
built
tuned
sub
Prior art date
Application number
AT00953197T
Other languages
English (en)
Inventor
Zhingong Ying
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE265094T1 publication Critical patent/ATE265094T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/30Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364Creating multiple current paths
    • H01Q5/371Branching current paths
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Support Of Aerials (AREA)
  • Waveguide Aerials (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transceivers (AREA)
AT00953197T 1999-09-01 2000-08-23 Halbeingebaute gedruckte multibandantenne ATE265094T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/387,494 US6408190B1 (en) 1999-09-01 1999-09-01 Semi built-in multi-band printed antenna
PCT/EP2000/008228 WO2001017063A1 (en) 1999-09-01 2000-08-23 Semi built-in multi-band printed antenna

Publications (1)

Publication Number Publication Date
ATE265094T1 true ATE265094T1 (de) 2004-05-15

Family

ID=23530124

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00953197T ATE265094T1 (de) 1999-09-01 2000-08-23 Halbeingebaute gedruckte multibandantenne

Country Status (9)

Country Link
US (1) US6408190B1 (de)
EP (1) EP1212808B1 (de)
JP (1) JP4391716B2 (de)
CN (1) CN1210838C (de)
AT (1) ATE265094T1 (de)
AU (1) AU6572800A (de)
DE (1) DE60010099T2 (de)
MY (1) MY125781A (de)
WO (1) WO2001017063A1 (de)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA02003084A (es) 1999-09-20 2003-08-20 Fractus Sa Antenas multinivel.
ES2156832B1 (es) * 1999-10-07 2002-03-01 Univ Valencia Politecnica Antena impresa de banda dual
DE60022096T2 (de) 2000-01-19 2006-06-01 Fractus, S.A. Raumfüllende miniaturantenne
SE518813C2 (sv) * 2000-04-18 2002-11-26 Ericsson Telefon Ab L M Flerbandsantenn och portabel telekommunikationsapparat innefattande en sådan antenn
US8744384B2 (en) 2000-07-20 2014-06-03 Blackberry Limited Tunable microwave devices with auto-adjusting matching circuit
US8064188B2 (en) 2000-07-20 2011-11-22 Paratek Microwave, Inc. Optimized thin film capacitors
JP4461597B2 (ja) * 2000-09-19 2010-05-12 ソニー株式会社 無線カードモジュール
KR20020022484A (ko) * 2000-09-20 2002-03-27 윤종용 이동통신 단말기의 내장형 이중대역 안테나 구현장치 및휩 안테나 연동방법
EP1378021A1 (de) * 2001-03-23 2004-01-07 Telefonaktiebolaget LM Ericsson (publ) System mit eingebauter multiband-mehrfachantenne
JP4639511B2 (ja) * 2001-04-06 2011-02-23 パナソニック株式会社 アンテナ
JP4639512B2 (ja) * 2001-04-06 2011-02-23 パナソニック株式会社 無線通信モジュール
US6664930B2 (en) 2001-04-12 2003-12-16 Research In Motion Limited Multiple-element antenna
US6552686B2 (en) * 2001-09-14 2003-04-22 Nokia Corporation Internal multi-band antenna with improved radiation efficiency
JP3763764B2 (ja) * 2001-09-18 2006-04-05 シャープ株式会社 板状逆fアンテナ及び無線通信装置
US6476769B1 (en) * 2001-09-19 2002-11-05 Nokia Corporation Internal multi-band antenna
JP2003101336A (ja) * 2001-09-26 2003-04-04 Furukawa Electric Co Ltd:The 2周波数帯共用アンテナ
US9755314B2 (en) 2001-10-16 2017-09-05 Fractus S.A. Loaded antenna
ATE364911T1 (de) * 2001-10-16 2007-07-15 Fractus Sa Belastete antenne
US6542123B1 (en) * 2001-10-24 2003-04-01 Auden Techno Corp. Hidden wideband antenna
TW506163B (en) * 2001-12-19 2002-10-11 Ind Tech Res Inst Planar inverted-F antenna
US6577278B1 (en) * 2001-12-29 2003-06-10 Hon Hai Precision Ind. Co., Ltd. Dual band antenna with bending structure
TWI255071B (en) * 2002-01-16 2006-05-11 Accton Technology Corp Dual-band monopole antenna
US6879849B2 (en) * 2002-02-21 2005-04-12 Telefonaktiebolaget L M Ericsson (Publ) In-built antenna for mobile communication device
TWI258246B (en) * 2002-03-14 2006-07-11 Sony Ericsson Mobile Comm Ab Flat built-in radio antenna
ATE446595T1 (de) * 2002-06-21 2009-11-15 Research In Motion Ltd Mehrfachelement-antenne mit parasitärkoppler
WO2004001894A1 (en) * 2002-06-25 2003-12-31 Fractus, S.A. Multiband antenna for handheld terminal
WO2004038859A1 (en) * 2002-10-22 2004-05-06 Sk Telecom Co., Ltd. Independently tunable multiband meanderline loaded antenna
US6734825B1 (en) * 2002-10-28 2004-05-11 The National University Of Singapore Miniature built-in multiple frequency band antenna
CA2507520C (en) 2002-11-28 2007-01-23 Research In Motion Limited Multiple-band antenna with patch and slot structures
CA2506467C (en) * 2002-12-06 2006-10-17 Research In Motion Limited Multiple-band antenna with shared slot structure
CN1720639A (zh) * 2002-12-22 2006-01-11 碎云股份有限公司 移动通信装置的多频带单极天线
US7369828B2 (en) * 2003-02-05 2008-05-06 Paratek Microwave, Inc. Electronically tunable quad-band antennas for handset applications
WO2004075342A1 (en) * 2003-02-19 2004-09-02 Fractus S.A. Miniature antenna having a volumetric structure
FI115261B (fi) 2003-02-27 2005-03-31 Filtronic Lk Oy Monikaistainen tasoantenni
KR100553269B1 (ko) * 2003-02-28 2006-02-20 주식회사 에이스테크놀로지 다중대역 내장형 안테나
TW562257U (en) * 2003-04-01 2003-11-11 Wistron Neweb Corp Dual-band antenna
US7057560B2 (en) * 2003-05-07 2006-06-06 Agere Systems Inc. Dual-band antenna for a wireless local area network device
EP1478047B1 (de) * 2003-05-14 2007-10-03 Research In Motion Limited Mehrbandantenne mit Streifenleiter- und Schlitzstrukturen
US7012570B2 (en) * 2003-05-15 2006-03-14 Mediatek Incorporation Antenna with printed compensating capacitor
ATE390729T1 (de) * 2003-06-12 2008-04-15 Research In Motion Ltd Mehrelement-antenne mit parasitärem antennenelement
JP2005051747A (ja) * 2003-07-14 2005-02-24 Ngk Spark Plug Co Ltd アンテナ装置およびその製造方法
US6980173B2 (en) * 2003-07-24 2005-12-27 Research In Motion Limited Floating conductor pad for antenna performance stabilization and noise reduction
US20050088341A1 (en) * 2003-10-27 2005-04-28 Shih-Tsai Yang Printed monopole antenna
EP1709704A2 (de) 2004-01-30 2006-10-11 Fractus, S.A. Mehrband-monopolantennen für mobilkommunikationsgeräte
EP1560287B1 (de) * 2004-02-02 2013-04-17 HTC Corporation Mehrfrequenzantenne
FR2869727B1 (fr) 2004-04-30 2007-04-06 Get Enst Bretagne Etablissemen Antenne planaire a plots conducteurs s'etendant a partir du plan de masse et/ou d'au moins un element rayonnant, et procede de fabrication correspondant
US7369089B2 (en) * 2004-05-13 2008-05-06 Research In Motion Limited Antenna with multiple-band patch and slot structures
US7091911B2 (en) * 2004-06-02 2006-08-15 Research In Motion Limited Mobile wireless communications device comprising non-planar internal antenna without ground plane overlap
WO2006051113A1 (en) 2004-11-12 2006-05-18 Fractus, S.A. Antenna structure for a wireless device with a ground plane shaped as a loop
FR2878082B1 (fr) * 2004-11-16 2007-02-16 Sagem Appareil d'emission et/ou de reception de donnees muni d'au moins deux antennes mutuellement peu interferentes
WO2006059406A1 (ja) * 2004-12-03 2006-06-08 Murata Manufacturing Co., Ltd. アンテナ構造およびそれを備えた無線通信機
US7119748B2 (en) * 2004-12-31 2006-10-10 Nokia Corporation Internal multi-band antenna with planar strip elements
US8600521B2 (en) * 2005-01-27 2013-12-03 Cyberonics, Inc. Implantable medical device having multiple electrode/sensor capability and stimulation based on sensed intrinsic activity
US20060281500A1 (en) * 2005-06-14 2006-12-14 Inventec Appliances Corp. Mobile telecommunication apparatus having antenna assembly compatible with different communication protocols
US20060284770A1 (en) * 2005-06-15 2006-12-21 Young-Min Jo Compact dual band antenna having common elements and common feed
US7489276B2 (en) 2005-06-27 2009-02-10 Research In Motion Limited Mobile wireless communications device comprising multi-frequency band antenna and related methods
CN1905270B (zh) * 2005-07-26 2011-08-24 财团法人工业技术研究院 高增益环形天线
JP2007123982A (ja) * 2005-10-25 2007-05-17 Sony Ericsson Mobilecommunications Japan Inc マルチバンド対応アンテナ装置および通信端末装置
US9406444B2 (en) 2005-11-14 2016-08-02 Blackberry Limited Thin film capacitors
US20070114889A1 (en) * 2005-11-21 2007-05-24 Honeywell International Chip level packaging for wireless surface acoustic wave sensor
US8125399B2 (en) 2006-01-14 2012-02-28 Paratek Microwave, Inc. Adaptively tunable antennas incorporating an external probe to monitor radiated power
US8325097B2 (en) 2006-01-14 2012-12-04 Research In Motion Rf, Inc. Adaptively tunable antennas and method of operation therefore
US7711337B2 (en) 2006-01-14 2010-05-04 Paratek Microwave, Inc. Adaptive impedance matching module (AIMM) control architectures
JP4811055B2 (ja) * 2006-02-28 2011-11-09 ソニー株式会社 非対称平面アンテナ、その製造方法及び信号処理ユニット
EP1858113A1 (de) * 2006-05-19 2007-11-21 AMC Centurion AB Antenneneinrichtung und tragbares Funkkommunikationsgerät mit einer solchen Antenneneinrichtung
US8738103B2 (en) 2006-07-18 2014-05-27 Fractus, S.A. Multiple-body-configuration multimedia and smartphone multifunction wireless devices
JP4747988B2 (ja) * 2006-08-07 2011-08-17 株式会社デンソー 車載アンテナ装置およびその製造方法
US8299867B2 (en) 2006-11-08 2012-10-30 Research In Motion Rf, Inc. Adaptive impedance matching module
US7535312B2 (en) 2006-11-08 2009-05-19 Paratek Microwave, Inc. Adaptive impedance matching apparatus, system and method with improved dynamic range
US7714676B2 (en) 2006-11-08 2010-05-11 Paratek Microwave, Inc. Adaptive impedance matching apparatus, system and method
TWM310463U (en) * 2006-11-13 2007-04-21 Inventec Appliances Corp Antenna structure
CN101192698B (zh) * 2006-11-24 2011-07-27 鸿富锦精密工业(深圳)有限公司 立体天线安装方法
US7777689B2 (en) 2006-12-06 2010-08-17 Agere Systems Inc. USB device, an attached protective cover therefore including an antenna and a method of wirelessly transmitting data
US8428670B2 (en) * 2007-04-11 2013-04-23 Sony Corporation Reception device, antenna, and junction cable
US7917104B2 (en) 2007-04-23 2011-03-29 Paratek Microwave, Inc. Techniques for improved adaptive impedance matching
US8213886B2 (en) * 2007-05-07 2012-07-03 Paratek Microwave, Inc. Hybrid techniques for antenna retuning utilizing transmit and receive power information
US8618988B2 (en) 2007-10-05 2013-12-31 Kyocera Corporation Co-location insensitive multi-band antenna
US20090109097A1 (en) * 2007-10-24 2009-04-30 Arima Communications Co., Ltd. Multiple frequency band antenna
US7991363B2 (en) 2007-11-14 2011-08-02 Paratek Microwave, Inc. Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics
CN101677148B (zh) * 2008-09-16 2013-02-13 鸿富锦精密工业(深圳)有限公司 多频天线
US8072285B2 (en) 2008-09-24 2011-12-06 Paratek Microwave, Inc. Methods for tuning an adaptive impedance matching network with a look-up table
US8472888B2 (en) 2009-08-25 2013-06-25 Research In Motion Rf, Inc. Method and apparatus for calibrating a communication device
US9026062B2 (en) 2009-10-10 2015-05-05 Blackberry Limited Method and apparatus for managing operations of a communication device
US8514132B2 (en) * 2009-11-10 2013-08-20 Research In Motion Limited Compact multiple-band antenna for wireless devices
TWI425714B (zh) * 2010-01-13 2014-02-01 Inventec Appliances Corp 平面天線及通信裝置
US8803631B2 (en) 2010-03-22 2014-08-12 Blackberry Limited Method and apparatus for adapting a variable impedance network
US8860526B2 (en) 2010-04-20 2014-10-14 Blackberry Limited Method and apparatus for managing interference in a communication device
US9379454B2 (en) 2010-11-08 2016-06-28 Blackberry Limited Method and apparatus for tuning antennas in a communication device
US8712340B2 (en) 2011-02-18 2014-04-29 Blackberry Limited Method and apparatus for radio antenna frequency tuning
US8655286B2 (en) 2011-02-25 2014-02-18 Blackberry Limited Method and apparatus for tuning a communication device
US8626083B2 (en) 2011-05-16 2014-01-07 Blackberry Limited Method and apparatus for tuning a communication device
US8594584B2 (en) 2011-05-16 2013-11-26 Blackberry Limited Method and apparatus for tuning a communication device
TWI469438B (zh) * 2011-06-27 2015-01-11 Univ Nat Sun Yat Sen 通訊電子裝置及其平面寬頻天線元件
WO2013022826A1 (en) 2011-08-05 2013-02-14 Research In Motion Rf, Inc. Method and apparatus for band tuning in a communication device
GB201122324D0 (en) 2011-12-23 2012-02-01 Univ Edinburgh Antenna element & antenna device comprising such elements
CN102544710B (zh) * 2011-12-28 2014-03-12 四川九洲电器集团有限责任公司 一种宽频带天线装置
JP2013189510A (ja) * 2012-03-13 2013-09-26 Ihi Corp 循環式ガス化炉
US8948889B2 (en) 2012-06-01 2015-02-03 Blackberry Limited Methods and apparatus for tuning circuit components of a communication device
US9853363B2 (en) 2012-07-06 2017-12-26 Blackberry Limited Methods and apparatus to control mutual coupling between antennas
US9246223B2 (en) 2012-07-17 2016-01-26 Blackberry Limited Antenna tuning for multiband operation
US9350405B2 (en) 2012-07-19 2016-05-24 Blackberry Limited Method and apparatus for antenna tuning and power consumption management in a communication device
US9413066B2 (en) 2012-07-19 2016-08-09 Blackberry Limited Method and apparatus for beam forming and antenna tuning in a communication device
US9362891B2 (en) 2012-07-26 2016-06-07 Blackberry Limited Methods and apparatus for tuning a communication device
US9374113B2 (en) 2012-12-21 2016-06-21 Blackberry Limited Method and apparatus for adjusting the timing of radio antenna tuning
US10404295B2 (en) 2012-12-21 2019-09-03 Blackberry Limited Method and apparatus for adjusting the timing of radio antenna tuning
US9362621B1 (en) * 2013-05-23 2016-06-07 Airgain, Inc. Multi-band LTE antenna
US9438319B2 (en) 2014-12-16 2016-09-06 Blackberry Limited Method and apparatus for antenna selection
CN112909511B (zh) * 2021-02-05 2023-03-17 哈尔滨工程大学 一种多频带5g终端天线

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571595A (en) 1983-12-05 1986-02-18 Motorola, Inc. Dual band transceiver antenna
JPH0637531A (ja) 1992-07-17 1994-02-10 Sansei Denki Kk 広帯域ヘリカルアンテナ、および同製造方法
WO1996027219A1 (en) 1995-02-27 1996-09-06 The Chinese University Of Hong Kong Meandering inverted-f antenna
DE19707535A1 (de) 1997-02-25 1998-08-27 Rothe Lutz Dr Ing Habil Folienstrahler
AU7448498A (en) 1997-06-03 1998-12-21 Galtronics Ltd. Retractable antenna
FI113212B (fi) 1997-07-08 2004-03-15 Nokia Corp Usean taajuusalueen kaksoisresonanssiantennirakenne
AU8365998A (en) 1997-07-09 1999-02-08 Allgon Ab Trap microstrip pifa
FR2772517B1 (fr) 1997-12-11 2000-01-07 Alsthom Cge Alcatel Antenne multifrequence realisee selon la technique des microrubans et dispositif incluant cette antenne
US6166694A (en) * 1998-07-09 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Printed twin spiral dual band antenna
US6343208B1 (en) 1998-12-16 2002-01-29 Telefonaktiebolaget Lm Ericsson (Publ) Printed multi-band patch antenna
US6204819B1 (en) * 2000-05-22 2001-03-20 Telefonaktiebolaget L.M. Ericsson Convertible loop/inverted-f antennas and wireless communicators incorporating the same

Also Published As

Publication number Publication date
EP1212808A1 (de) 2002-06-12
EP1212808B1 (de) 2004-04-21
JP2003516650A (ja) 2003-05-13
US6408190B1 (en) 2002-06-18
MY125781A (en) 2006-08-30
JP4391716B2 (ja) 2009-12-24
CN1384986A (zh) 2002-12-11
DE60010099D1 (de) 2004-05-27
CN1210838C (zh) 2005-07-13
DE60010099T2 (de) 2004-09-02
WO2001017063A1 (en) 2001-03-08
AU6572800A (en) 2001-03-26

Similar Documents

Publication Publication Date Title
ATE265094T1 (de) Halbeingebaute gedruckte multibandantenne
GB2363911A (en) Printed multi-band patch antenna
EP1992042B1 (de) Mehrfrequenzbandantenneneinrichtung für ein funkkommunikationsendgerät
WO2012071968A1 (zh) 一种五频段和蓝牙的内置天线及其移动通信终端
TW200503326A (en) Dual-band antenna for a wireless local area network device
ATE303003T1 (de) Zwischen mehreren frequenzbändern schaltbare antenne für tragbare endgeräte
KR20020027636A (ko) 안테나 장치 및 휴대용 무선 통신 장치
SE9704051D0 (sv) A portable electronic communication device with multi-band anetnna system
KR20070033041A (ko) 다중 대역 안테나 장치
EP1524723A4 (de) Antenneneinrichtung und tragbares funkkommunikationsendgerät
SE0302054D0 (sv) Antenna device and portable radio communication device comprising such antenna device
WO2002082667A3 (en) Dual band patch bowtie slot antenna structure
US20110181480A1 (en) Antenna module
US8593353B2 (en) Antenna device for a portable terminal
SE9704052D0 (sv) A portable electronic communication devide with dual-band antenna system
CN104466371A (zh) 通信装置
JP2004522347A (ja) 基体及び導体トラック構体を有するアンテナ
DE60212429D1 (de) Dielektrische antenne
CN110943280B (zh) 天线结构
KR20080016353A (ko) 다중대역 안테나
ATE504103T1 (de) Miniaturisierte zirkularpolarisierte patch- antenne
CN110501896B (zh) 穿戴式装置
KR20040093106A (ko) 다중 대역 마이크로파 안테나, 모바일 원격 통신 장치용인쇄 회로 기판 및 원격 통신 장치
CN201918501U (zh) 一种五频段和蓝牙的内置天线及其移动通信终端
Ning et al. A novel dual-band WIFI antenna with frequency-reconfigurability

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties