CN101002361A - 全双工天线系统和方法 - Google Patents
全双工天线系统和方法 Download PDFInfo
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- CN101002361A CN101002361A CNA2005800253150A CN200580025315A CN101002361A CN 101002361 A CN101002361 A CN 101002361A CN A2005800253150 A CNA2005800253150 A CN A2005800253150A CN 200580025315 A CN200580025315 A CN 200580025315A CN 101002361 A CN101002361 A CN 101002361A
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Images
Classifications
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- H—ELECTRICITY
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- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/40—Automatic matching of load impedance to source impedance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
- G01R27/2694—Measuring dielectric loss, e.g. loss angle, loss factor or power factor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/06—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permittivity with applied voltage, i.e. ferroelectric capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/0805—Capacitors only
- H01L27/0808—Varactor diodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; 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
- H01Q1/243—Supports; 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1841—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/362—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier being a single transistor
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- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
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- H—ELECTRICITY
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- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/191—Tuned amplifiers
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- H03—ELECTRONIC CIRCUITRY
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- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/20—Two-port phase shifters providing an adjustable phase shift
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0123—Frequency selective two-port networks comprising distributed impedance elements together with lumped impedance elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/12—Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/005—Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details 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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
Claims (59)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/899,285 | 2004-07-26 | ||
US10/899,218 | 2004-07-26 | ||
US10/899,278 | 2004-07-26 | ||
US10/899,285 US7184727B2 (en) | 2002-02-12 | 2004-07-26 | Full-duplex antenna system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101002361A true CN101002361A (zh) | 2007-07-18 |
Family
ID=38693401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2005800253150A Pending CN101002361A (zh) | 2004-07-26 | 2005-07-14 | 全双工天线系统和方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7184727B2 (zh) |
CN (1) | CN101002361A (zh) |
Cited By (15)
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CN102104193A (zh) * | 2010-12-01 | 2011-06-22 | 中兴通讯股份有限公司 | 一种多输入多输出天线系统 |
CN102684722A (zh) * | 2011-03-07 | 2012-09-19 | 苹果公司 | 具有接收器分集的可调谐天线系统 |
WO2012151906A1 (zh) * | 2011-09-14 | 2012-11-15 | 中兴通讯股份有限公司 | 移动终端及移动终端的处理方法 |
CN103185838A (zh) * | 2011-12-29 | 2013-07-03 | 国民技术股份有限公司 | 一种测量线圈天线匹配电容参数的方法 |
US9190712B2 (en) | 2012-02-03 | 2015-11-17 | Apple Inc. | Tunable antenna system |
US9246221B2 (en) | 2011-03-07 | 2016-01-26 | Apple Inc. | Tunable loop antennas |
US9350069B2 (en) | 2012-01-04 | 2016-05-24 | Apple Inc. | Antenna with switchable inductor low-band tuning |
CN105850039A (zh) * | 2013-12-26 | 2016-08-10 | 谷歌技术控股有限责任公司 | 在定期偏置下维持电容器电介质以减少由于时变滞后效应所致的电容变化 |
CN107923934A (zh) * | 2015-09-04 | 2018-04-17 | 罗伯特·博世有限公司 | 电容结构和在使用电容结构的情况下确定电荷量的方法 |
CN109756952A (zh) * | 2012-09-10 | 2019-05-14 | 华为技术有限公司 | 虚拟无线接入网中以用户设备为中心的统一的系统接入的系统和方法 |
CN110289881A (zh) * | 2019-06-27 | 2019-09-27 | 上海创功通讯技术有限公司 | 无线通信装置、射频集成电路和电子终端 |
CN110854533A (zh) * | 2019-11-15 | 2020-02-28 | Oppo广东移动通信有限公司 | 天线模组和终端 |
CN110855334A (zh) * | 2019-11-15 | 2020-02-28 | Oppo广东移动通信有限公司 | 射频电路和终端 |
CN111049283A (zh) * | 2019-12-31 | 2020-04-21 | 西北工业大学 | 一种距离自适应无线功率传输系统及其控制方法 |
CN111224224A (zh) * | 2018-11-27 | 2020-06-02 | 华为技术有限公司 | 天线和阵列天线 |
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US8744384B2 (en) | 2000-07-20 | 2014-06-03 | Blackberry Limited | Tunable microwave devices with auto-adjusting matching circuit |
US7109944B2 (en) * | 2004-01-26 | 2006-09-19 | Kyocera Corporation | Antenna using variable capacitance element and wireless communication apparatus using the same |
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JP2006041826A (ja) * | 2004-07-26 | 2006-02-09 | Matsushita Electric Ind Co Ltd | 携帯電話装置 |
JP4959956B2 (ja) * | 2005-06-07 | 2012-06-27 | 株式会社日立製作所 | アンテナ |
US7801556B2 (en) * | 2005-08-26 | 2010-09-21 | Qualcomm Incorporated | Tunable dual-antenna system for multiple frequency band operation |
US7680510B2 (en) * | 2005-11-10 | 2010-03-16 | Alcatel-Lucent Usa Inc. | Diversity-switched front end base station transceiver system |
US9406444B2 (en) | 2005-11-14 | 2016-08-02 | Blackberry Limited | Thin film capacitors |
US7711337B2 (en) | 2006-01-14 | 2010-05-04 | Paratek Microwave, Inc. | Adaptive impedance matching module (AIMM) control architectures |
US7724194B2 (en) * | 2006-06-30 | 2010-05-25 | Motorola, Inc. | Dual autodiplexing antenna |
US20080076366A1 (en) * | 2006-09-27 | 2008-03-27 | Broadcom Corporation, A California Corporation | Multiple band antenna structure |
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US7746291B2 (en) * | 2007-01-30 | 2010-06-29 | Broadcom Corporation | RF reception system and integrated circuit with programmable impedance matching network and methods for use therewith |
JP2008250573A (ja) * | 2007-03-29 | 2008-10-16 | Brother Ind Ltd | アンテナ装置及び無線タグ通信装置 |
US20080242234A1 (en) * | 2007-03-30 | 2008-10-02 | Cowley Nicholas P | Minimizing the noise figure of broadband frequency agile radio receivers |
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 |
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 |
US20100029350A1 (en) * | 2008-08-01 | 2010-02-04 | Qualcomm Incorporated | Full-duplex wireless transceiver design |
US8072285B2 (en) | 2008-09-24 | 2011-12-06 | Paratek Microwave, Inc. | Methods for tuning an adaptive impedance matching network with a look-up table |
US8711047B2 (en) * | 2009-03-13 | 2014-04-29 | Qualcomm Incorporated | Orthogonal tunable antenna array for wireless communication devices |
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 |
US8803631B2 (en) | 2010-03-22 | 2014-08-12 | Blackberry Limited | Method and apparatus for adapting a variable impedance network |
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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 |
US10027025B2 (en) | 2012-08-29 | 2018-07-17 | Htc Corporation | Mobile device and antenna structure therein |
US10003121B2 (en) | 2012-08-29 | 2018-06-19 | Htc Corporation | Mobile device and antenna structure |
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 |
JP5700055B2 (ja) * | 2013-01-17 | 2015-04-15 | 株式会社村田製作所 | アンテナ装置 |
US9543639B2 (en) * | 2013-05-24 | 2017-01-10 | Microsoft Technology Licensing, Llc | Back face antenna in a computing device case |
US9531059B2 (en) | 2013-05-24 | 2016-12-27 | Microsoft Technology Licensing, Llc | Side face antenna for a computing device case |
US9698466B2 (en) | 2013-05-24 | 2017-07-04 | Microsoft Technology Licensing, Llc | Radiating structure formed as a part of a metal computing device case |
JP6414910B2 (ja) * | 2013-12-31 | 2018-10-31 | 華為終端(東莞)有限公司 | ループ状アンテナおよびモバイル端末 |
WO2015161444A1 (zh) * | 2014-04-22 | 2015-10-29 | 华为终端有限公司 | 天线系统及终端 |
US9438319B2 (en) | 2014-12-16 | 2016-09-06 | Blackberry Limited | Method and apparatus for antenna selection |
KR102324960B1 (ko) | 2015-06-25 | 2021-11-12 | 삼성전자 주식회사 | 통신 장치 및 이를 포함하는 전자 장치 |
US10305453B2 (en) * | 2017-09-11 | 2019-05-28 | Apple Inc. | Electronic device antennas having multiple operating modes |
JP7234177B2 (ja) | 2020-03-17 | 2023-03-07 | 株式会社東芝 | 半導体装置 |
Family Cites Families (130)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239838A (en) | 1963-05-29 | 1966-03-08 | Kenneth S Kelleher | Dipole antenna mounted in open-faced resonant cavity |
US3413543A (en) | 1965-04-23 | 1968-11-26 | Gen Motors Corp | Compensated ferroelectric hysteresiscope employing ground reference |
US3680135A (en) | 1968-02-05 | 1972-07-25 | Joseph M Boyer | Tunable radio antenna |
US3569795A (en) | 1969-05-29 | 1971-03-09 | Us Army | Voltage-variable, ferroelectric capacitor |
FR2085588B1 (zh) | 1970-02-06 | 1976-09-03 | United Kingdom Government | |
US3676803A (en) | 1970-05-01 | 1972-07-11 | Communications Satellite Corp | Electronically tunable matching circuit for circulators |
US3737814A (en) | 1971-10-06 | 1973-06-05 | Hughes Aircraft Co | Crystal filter circuit with sharply defined passband edge |
US3739299A (en) | 1972-04-20 | 1973-06-12 | Zenith Radio Corp | Adjustable piezoelectric tunable oscillator for acoustic signal generating system |
US3836874A (en) | 1973-06-25 | 1974-09-17 | Hitachi Ltd | Lumped element circulator |
FR2239813B1 (zh) | 1973-08-03 | 1978-04-21 | Commissariat Energie Atomique | |
US4122400A (en) | 1976-11-08 | 1978-10-24 | Rca Corporation | Amplifier protection circuit |
FR2434495A1 (fr) | 1978-07-10 | 1980-03-21 | Lignes Telegraph Telephon | Circulateur de puissance a large bande pour ondes a tres haute et ultra haute frequence |
FR2501434B1 (fr) | 1981-03-03 | 1985-10-11 | Cepe | Oscillateur a frequence commandee comportant un element piezoelectrique et presentant une plage de variation de frequence etendue |
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 |
US4525720A (en) | 1982-10-15 | 1985-06-25 | The United States Of America As Represented By The Secretary Of The Navy | Integrated spiral antenna and printed circuit balun |
JPH0770918B2 (ja) | 1984-06-05 | 1995-07-31 | ソニー株式会社 | 同調発振器 |
EP0175988A2 (en) | 1984-09-24 | 1986-04-02 | Allied Corporation | Process of manufacturing capacitive devices and capacitive devices manufactured by the process |
GB2178616B (en) | 1985-07-26 | 1989-04-26 | Marconi Co Ltd | Impedance matching arrangement |
US4746925A (en) | 1985-07-31 | 1988-05-24 | Toyota Jidosha Kabushiki Kaisha | Shielded dipole glass antenna with coaxial feed |
US4835540A (en) | 1985-09-18 | 1989-05-30 | Mitsubishi Denki Kabushiki Kaisha | Microstrip antenna |
US4792939A (en) | 1986-01-24 | 1988-12-20 | Hitachi Denshi Kabushiki Kaisha | Duplex radio communication transceiver |
US4737797A (en) | 1986-06-26 | 1988-04-12 | Motorola, Inc. | Microstrip balun-antenna apparatus |
US4736169A (en) | 1986-09-29 | 1988-04-05 | Hughes Aircraft Company | Voltage controlled oscillator with frequency sensitivity control |
US4975604A (en) | 1987-05-29 | 1990-12-04 | Triquint Semiconductor, Inc. | Automatic return-loss optimization of a variable fet attenuator |
US4847626A (en) | 1987-07-01 | 1989-07-11 | Motorola, Inc. | Microstrip balun-antenna |
US4835499A (en) | 1988-03-09 | 1989-05-30 | Motorola, Inc. | Voltage tunable bandpass filter |
US6026311A (en) | 1993-05-28 | 2000-02-15 | Superconductor Technologies, Inc. | High temperature superconducting structures and methods for high Q, reduced intermodulation resonators and filters |
US5231407A (en) | 1989-04-18 | 1993-07-27 | Novatel Communications, Ltd. | Duplexing antenna for portable radio transceiver |
US5160870A (en) | 1990-06-25 | 1992-11-03 | Carson Paul L | Ultrasonic image sensing array and method |
GB2247125B (en) | 1990-08-16 | 1995-01-11 | Technophone Ltd | Tunable bandpass filter |
US5173709A (en) | 1991-06-03 | 1992-12-22 | Motorola, Inc. | Electronic direction finder |
US5392018A (en) | 1991-06-27 | 1995-02-21 | Applied Materials, Inc. | Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
US5216392A (en) | 1991-07-05 | 1993-06-01 | Motorola, Inc. | Automatically controlled varactor tuned matching networks for a crystal filter |
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 |
JP3045419B2 (ja) | 1991-11-08 | 2000-05-29 | ローム株式会社 | 誘電体膜コンデンサ |
US5166857A (en) | 1991-12-24 | 1992-11-24 | Motorola Inc. | Electronically tunable capacitor switch |
US5212463A (en) | 1992-07-22 | 1993-05-18 | The United States Of America As Represented By The Secretary Of The Army | Planar ferro-electric phase shifter |
JP3407204B2 (ja) | 1992-07-23 | 2003-05-19 | オリンパス光学工業株式会社 | 強誘電体集積回路及びその製造方法 |
US5388021A (en) | 1992-09-18 | 1995-02-07 | The United States Of America As Represented By The Secretary Of The Navy | Voltage surge suppression power circuits |
US5472935A (en) | 1992-12-01 | 1995-12-05 | Yandrofski; Robert M. | Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films |
US5307033A (en) | 1993-01-19 | 1994-04-26 | The United States Of America As Represented By The Secretary Of The Army | Planar digital ferroelectric phase shifter |
US5450092A (en) | 1993-04-26 | 1995-09-12 | Das; Satyendranath | Ferroelectric scanning RF antenna |
US5325099A (en) | 1993-04-28 | 1994-06-28 | Itt Corporation | Modular solid-state radar transmitter apparatus and method for producing variable waveforms |
US5451915A (en) | 1993-05-26 | 1995-09-19 | Hittite Microwave Corporation | Active filter resonator and system and negative resistance generator usable therein |
US5312790A (en) | 1993-06-09 | 1994-05-17 | The United States Of America As Represented By The Secretary Of The Army | Ceramic ferroelectric material |
JPH0758506A (ja) | 1993-08-09 | 1995-03-03 | Oki Electric Ind Co Ltd | Lc型誘電体フィルタ、およびこれを用いた空中線共用器 |
US5583524A (en) | 1993-08-10 | 1996-12-10 | Hughes Aircraft Company | Continuous transverse stub element antenna arrays using voltage-variable dielectric material |
US5564086A (en) | 1993-11-29 | 1996-10-08 | Motorola, Inc. | Method and apparatus for enhancing an operating characteristic of a radio transmitter |
US5459123A (en) | 1994-04-08 | 1995-10-17 | Das; Satyendranath | Ferroelectric electronically tunable filters |
GB2289989B (en) | 1994-05-25 | 1999-01-06 | Nokia Mobile Phones Ltd | Adaptive antenna matching |
US5557286A (en) | 1994-06-15 | 1996-09-17 | The Penn State Research Foundation | Voltage tunable dielectric ceramics which exhibit low dielectric constants and applications thereof to antenna structure |
US5502422A (en) | 1994-08-12 | 1996-03-26 | Motorola, Inc. | Filter with an adjustable shunt zero |
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 |
US5649306A (en) | 1994-09-16 | 1997-07-15 | Motorola, Inc. | Portable radio housing incorporating diversity antenna structure |
US5495215A (en) | 1994-09-20 | 1996-02-27 | Motorola, Inc. | Coaxial resonator filter with variable reactance circuitry for adjusting bandwidth |
US5496796A (en) | 1994-09-20 | 1996-03-05 | Das; Satyendranath | High Tc superconducting band reject ferroelectric filter (TFF) |
US5561407A (en) | 1995-01-31 | 1996-10-01 | The United States Of America As Represented By The Secretary Of The Army | Single substrate planar digital ferroelectric phase shifter |
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 |
JP3568621B2 (ja) * | 1995-04-20 | 2004-09-22 | 株式会社日立製作所 | 地図表示装置 |
US5701595A (en) | 1995-05-04 | 1997-12-23 | Nippondenso Co., Ltd. | Half duplex RF transceiver having low transmit path signal loss |
US5965494A (en) | 1995-05-25 | 1999-10-12 | Kabushiki Kaisha Toshiba | Tunable resonance device controlled by separate permittivity adjusting electrodes |
US6384785B1 (en) * | 1995-05-29 | 2002-05-07 | Nippon Telegraph And Telephone Corporation | Heterogeneous multi-lamination microstrip antenna |
US5673001A (en) | 1995-06-07 | 1997-09-30 | Motorola, Inc. | Method and apparatus for amplifying a signal |
US5577025A (en) | 1995-06-30 | 1996-11-19 | Qualcomm Incorporated | Signal acquisition in a multi-user communication system using multiple walsh channels |
US6104934A (en) * | 1995-08-09 | 2000-08-15 | Spectral Solutions, Inc. | Cryoelectronic receiver front end |
US5729239A (en) | 1995-08-31 | 1998-03-17 | The United States Of America As Represented By The Secretary Of The Navy | Voltage controlled ferroelectric lens phased array |
US5652599A (en) | 1995-09-11 | 1997-07-29 | Qualcomm Incorporated | Dual-band antenna system |
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 |
US6008659A (en) | 1996-03-15 | 1999-12-28 | Ramtron International Corporation | Method of measuring retention performance and imprint degradation of ferroelectric films |
US5673188A (en) | 1996-03-25 | 1997-09-30 | Hughes Electronic | Zero voltage switching series resonant half bridge VHF inverter |
US5830591A (en) | 1996-04-29 | 1998-11-03 | Sengupta; Louise | Multilayered ferroelectric composite waveguides |
UA41477C2 (uk) | 1996-05-21 | 2001-09-17 | Сіменс Акцієнгезельшафт | Багатошаровий конденсатор тонкошарової конструкції і спосіб його виготовлення |
DE19620932C1 (de) | 1996-05-24 | 1997-08-21 | Bosch Gmbh Robert | Planarer Filter mit ferroelektrischen und/oder antiferroelektrischen Elementen |
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 |
US5990766A (en) | 1996-06-28 | 1999-11-23 | Superconducting Core Technologies, Inc. | Electrically tunable microwave filters |
US5864932A (en) | 1996-08-20 | 1999-02-02 | Ramtron International Corporation | Partially or completely encapsulated top electrode of a ferroelectric capacitor |
EP0837504A3 (en) * | 1996-08-20 | 1999-01-07 | Ramtron International Corporation | Partially or completely encapsulated ferroelectric device |
US5870670A (en) | 1996-09-23 | 1999-02-09 | Motorola, Inc. | Integrated image reject mixer |
US5892486A (en) | 1996-10-11 | 1999-04-06 | Channel Master Llc | Broad band dipole element and array |
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 |
US5986515A (en) | 1997-01-14 | 1999-11-16 | Citizen Watch Co., Ltd. | Temperature compensation crystal oscillator |
US5908811A (en) | 1997-03-03 | 1999-06-01 | Das; Satyendranath | High Tc superconducting ferroelectric tunable filters |
JP3684285B2 (ja) | 1997-03-10 | 2005-08-17 | 株式会社日立製作所 | 同調型スロットアンテナ |
US5834975A (en) | 1997-03-12 | 1998-11-10 | Rockwell Science Center, Llc | Integrated variable gain power amplifier and method |
JPH10327003A (ja) | 1997-03-21 | 1998-12-08 | Murata Mfg Co Ltd | 非可逆回路素子及び複合電子部品 |
US5880921A (en) | 1997-04-28 | 1999-03-09 | Rockwell Science Center, Llc | Monolithically integrated switched capacitor bank using micro electro mechanical system (MEMS) technology |
US6094588A (en) | 1997-05-23 | 2000-07-25 | Northrop Grumman Corporation | Rapidly tunable, high-temperature superconductor, microwave filter apparatus and method and radar receiver employing such filter in a simplified configuration with full dynamic range |
US5973567A (en) | 1997-06-16 | 1999-10-26 | Hughes Electronics Corporation | Tunable impedance matching network for a mic power amplifier module |
US6121940A (en) * | 1997-09-04 | 2000-09-19 | Ail Systems, Inc. | Apparatus and method for broadband matching of electrically small antennas |
US6052036A (en) | 1997-10-31 | 2000-04-18 | Telefonaktiebolaget L M Ericsson | Crystal oscillator with AGC and on-chip tuning |
US6054908A (en) | 1997-12-12 | 2000-04-25 | Trw Inc. | Variable bandwidth filter |
WO1999050932A1 (fr) * | 1998-03-31 | 1999-10-07 | Matsushita Electric Industrial Co., Ltd. | Antenne et televiseur numerique |
US5973568A (en) | 1998-06-01 | 1999-10-26 | Motorola Inc. | Power amplifier output module for dual-mode digital systems |
FI106894B (fi) * | 1998-06-02 | 2001-04-30 | Nokia Mobile Phones Ltd | Resonaattorirakenteita |
US6671494B1 (en) * | 1998-06-18 | 2003-12-30 | Competive Technologies, Inc. | Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver |
JP2000036702A (ja) | 1998-07-21 | 2000-02-02 | Hitachi Ltd | 無線端末 |
US6600456B2 (en) * | 1998-09-21 | 2003-07-29 | Tantivy Communications, Inc. | Adaptive antenna for use in wireless communication systems |
US6100843A (en) * | 1998-09-21 | 2000-08-08 | Tantivy Communications Inc. | Adaptive antenna for use in same frequency networks |
US6281534B1 (en) * | 1998-10-13 | 2001-08-28 | Symetrix Corporation | Low imprint ferroelectric material for long retention memory and method of making the same |
KR20010089308A (ko) * | 1998-10-16 | 2001-09-29 | 추후기재 | 전압 튜닝 가능 버랙터 및 그러한 버랙터를 포함하는 튜닝가능 장치 |
US6727535B1 (en) * | 1998-11-09 | 2004-04-27 | Paratek Microwave, Inc. | Ferroelectric varactor with built-in DC blocks |
US6181777B1 (en) | 1998-11-19 | 2001-01-30 | Excelsus Technologies, Inc. | Impedance blocking filter circuit |
US6272336B1 (en) * | 1998-12-30 | 2001-08-07 | Samsung Electronics Co., Ltd. | Traffic-weighted closed loop power detection system for use with an RF power amplifier and method of operation |
SE521870C2 (sv) * | 1999-02-24 | 2003-12-16 | Ericsson Telefon Ab L M | Ferroelektrisk modulator |
US6721293B1 (en) * | 1999-03-10 | 2004-04-13 | Nokia Corporation | Unsupervised adaptive chip separation filter for CDMA terminal |
US6160524A (en) | 1999-03-17 | 2000-12-12 | The United States Of America As Represented By The Secretary Of The Army | Apparatus and method for reducing the temperature sensitivity of ferroelectric microwave devices |
US6101102A (en) | 1999-04-28 | 2000-08-08 | Raytheon Company | Fixed frequency regulation circuit employing a voltage variable dielectric capacitor |
US6621467B1 (en) * | 1999-05-03 | 2003-09-16 | Trolley Scan (Proprietary) Limited | Energy transfer in an electronic identification system |
US6359444B1 (en) * | 1999-05-28 | 2002-03-19 | University Of Kentucky Research Foundation | Remote resonant-circuit analyte sensing apparatus with sensing structure and associated method of sensing |
SE516235C2 (sv) * | 1999-06-18 | 2001-12-03 | Ericsson Telefon Ab L M | Avstämbar spiralantenn |
KR100344790B1 (ko) * | 1999-10-07 | 2002-07-19 | 엘지전자주식회사 | 마이크로 기계구조를 이용한 주파수 가변 초고주파 필터 |
EA200200529A1 (ru) * | 1999-11-04 | 2002-10-31 | Паратек Майкровэйв, Инк. | Микрополосковые перестраиваемые фильтры, перестраиваемые диэлектрическими параметрическими диодами |
US6559737B1 (en) * | 1999-11-24 | 2003-05-06 | The Regents Of The University Of California | Phase shifters using transmission lines periodically loaded with barium strontium titanate (BST) capacitors |
JP3570375B2 (ja) * | 2000-04-19 | 2004-09-29 | 株式会社村田製作所 | 周波数可変フィルタ、アンテナ共用器および通信機装置 |
AU2001279270A1 (en) * | 2000-06-28 | 2002-01-08 | The Penn State Research Foundation | Miniaturized conformal wideband fractal antennas on high dielectric substrates and chiral layers |
JP2004511084A (ja) * | 2000-08-08 | 2004-04-08 | アドバンスド パワー テクノロジー,インコーポレイテッド | 非対称チャネル構造を有するパワーmosデバイス |
US6285337B1 (en) * | 2000-09-05 | 2001-09-04 | Rockwell Collins | Ferroelectric based method and system for electronically steering an antenna |
JP2002135828A (ja) * | 2000-10-24 | 2002-05-10 | Nec Corp | 移動電話機、移動電話システム及びそれに用いる基地局 |
US6344823B1 (en) * | 2000-11-21 | 2002-02-05 | Accton Technology Corporation | Structure of an antenna and method for manufacturing the same |
US6686817B2 (en) * | 2000-12-12 | 2004-02-03 | Paratek Microwave, Inc. | Electronic tunable filters with dielectric varactors |
US6362789B1 (en) * | 2000-12-22 | 2002-03-26 | Rangestar Wireless, Inc. | Dual band wideband adjustable antenna assembly |
US6690251B2 (en) * | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
EP1314961B1 (en) * | 2001-11-22 | 2009-07-15 | Yamaha Corporation | Electronic apparatus |
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 |
-
2004
- 2004-07-26 US US10/899,285 patent/US7184727B2/en not_active Expired - Lifetime
-
2005
- 2005-07-14 CN CNA2005800253150A patent/CN101002361A/zh active Pending
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102104193A (zh) * | 2010-12-01 | 2011-06-22 | 中兴通讯股份有限公司 | 一种多输入多输出天线系统 |
CN102684722B (zh) * | 2011-03-07 | 2015-04-22 | 苹果公司 | 具有接收器分集的可调谐天线系统 |
TWI555267B (zh) * | 2011-03-07 | 2016-10-21 | 蘋果公司 | 具有接收器分集的可調式天線系統 |
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US9246221B2 (en) | 2011-03-07 | 2016-01-26 | Apple Inc. | Tunable loop antennas |
US9166279B2 (en) | 2011-03-07 | 2015-10-20 | Apple Inc. | Tunable antenna system with receiver diversity |
WO2012151906A1 (zh) * | 2011-09-14 | 2012-11-15 | 中兴通讯股份有限公司 | 移动终端及移动终端的处理方法 |
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US9350069B2 (en) | 2012-01-04 | 2016-05-24 | Apple Inc. | Antenna with switchable inductor low-band tuning |
US9190712B2 (en) | 2012-02-03 | 2015-11-17 | Apple Inc. | Tunable antenna system |
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US11212712B2 (en) | 2012-09-10 | 2021-12-28 | Huawei Technologies Co., Ltd. | System and method for user equipment centric unified system access in virtual radio access network |
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US11041897B2 (en) | 2015-09-04 | 2021-06-22 | Robert Bosch Gmbh | Capacitive structure and method for determining an amount of charge using the capacitive structure |
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US11901633B2 (en) | 2018-11-27 | 2024-02-13 | Huawei Technologies Co., Ltd. | Antenna and array antenna |
CN110289881A (zh) * | 2019-06-27 | 2019-09-27 | 上海创功通讯技术有限公司 | 无线通信装置、射频集成电路和电子终端 |
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CN110854533A (zh) * | 2019-11-15 | 2020-02-28 | Oppo广东移动通信有限公司 | 天线模组和终端 |
CN110855334B (zh) * | 2019-11-15 | 2021-10-29 | Oppo广东移动通信有限公司 | 射频电路和终端 |
CN110854533B (zh) * | 2019-11-15 | 2021-11-02 | Oppo广东移动通信有限公司 | 天线模组和终端 |
CN111049283A (zh) * | 2019-12-31 | 2020-04-21 | 西北工业大学 | 一种距离自适应无线功率传输系统及其控制方法 |
CN111049283B (zh) * | 2019-12-31 | 2023-08-08 | 西北工业大学 | 一种距离自适应无线功率传输系统及其控制方法 |
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