ATE548805T1 - Asymmetrischer linearisierter multiband-hf- rückkopplungsverstärker und mischer mit dc-offset und im2-unterdrückungsrückkopplungsschleife - Google Patents

Asymmetrischer linearisierter multiband-hf- rückkopplungsverstärker und mischer mit dc-offset und im2-unterdrückungsrückkopplungsschleife

Info

Publication number
ATE548805T1
ATE548805T1 AT09772343T AT09772343T ATE548805T1 AT E548805 T1 ATE548805 T1 AT E548805T1 AT 09772343 T AT09772343 T AT 09772343T AT 09772343 T AT09772343 T AT 09772343T AT E548805 T1 ATE548805 T1 AT E548805T1
Authority
AT
Austria
Prior art keywords
mixer
feedback
multiband
single ended
feedback loop
Prior art date
Application number
AT09772343T
Other languages
English (en)
Inventor
Tobias Tired
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 ATE548805T1 publication Critical patent/ATE548805T1/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/145—Balanced arrangements with transistors using a combination of bipolar transistors and field-effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1491—Arrangements to linearise a transconductance stage of a mixer arrangement
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0025—Gain control circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0043—Bias and operating point
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0088—Reduction of intermodulation, nonlinearities, adjacent channel interference; intercept points of harmonics or intermodulation products
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/009—Reduction of local oscillator or RF leakage

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
AT09772343T 2008-06-30 2009-06-23 Asymmetrischer linearisierter multiband-hf- rückkopplungsverstärker und mischer mit dc-offset und im2-unterdrückungsrückkopplungsschleife ATE548805T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/164,142 US8149955B2 (en) 2008-06-30 2008-06-30 Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
PCT/EP2009/057789 WO2010000643A1 (en) 2008-06-30 2009-06-23 Single ended multiband feedback linearized rf amplifier and mixer with dc-offset and im2 suppression feedback loop

Publications (1)

Publication Number Publication Date
ATE548805T1 true ATE548805T1 (de) 2012-03-15

Family

ID=41050506

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09772343T ATE548805T1 (de) 2008-06-30 2009-06-23 Asymmetrischer linearisierter multiband-hf- rückkopplungsverstärker und mischer mit dc-offset und im2-unterdrückungsrückkopplungsschleife

Country Status (5)

Country Link
US (1) US8149955B2 (de)
EP (1) EP2294700B1 (de)
CN (1) CN102138283B (de)
AT (1) ATE548805T1 (de)
WO (1) WO2010000643A1 (de)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9026070B2 (en) * 2003-12-18 2015-05-05 Qualcomm Incorporated Low-power wireless diversity receiver with multiple receive paths
US9450665B2 (en) * 2005-10-19 2016-09-20 Qualcomm Incorporated Diversity receiver for wireless communication
US8571510B2 (en) * 2008-08-18 2013-10-29 Qualcomm Incorporated High linearity low noise receiver with load switching
FR2936115B1 (fr) * 2008-09-18 2010-10-01 St Microelectronics Sa Amplificateur-melangeur pour chaine de reception radiofrequence.
KR101656266B1 (ko) * 2009-06-15 2016-09-12 삼성전자 주식회사 무선 통신 시스템의 직접변환 수신기에서 직류전압 오프셋을 보상하기 위한 장치 및 방법
US8644773B2 (en) * 2009-12-10 2014-02-04 Skyworks Solutions, Inc. Multiband low noise amplifier (LNA) with parallel resonant feedback
US8463215B2 (en) * 2009-12-29 2013-06-11 Silicon Laboratories Inc. Integrating components in a radio tuner integrated circuit (IC) for a tracking filter
US8401512B2 (en) 2010-04-08 2013-03-19 Viasat, Inc. Compact high linearity MMIC based FET resistive mixer
US20110250861A1 (en) * 2010-04-08 2011-10-13 Viasat, Inc. Highly integrated, high frequency, high power operation mmic
US9251873B1 (en) 2010-05-20 2016-02-02 Kandou Labs, S.A. Methods and systems for pin-efficient memory controller interface using vector signaling codes for chip-to-chip communications
US9077386B1 (en) 2010-05-20 2015-07-07 Kandou Labs, S.A. Methods and systems for selection of unions of vector signaling codes for power and pin efficient chip-to-chip communication
US9985634B2 (en) 2010-05-20 2018-05-29 Kandou Labs, S.A. Data-driven voltage regulator
US9246713B2 (en) 2010-05-20 2016-01-26 Kandou Labs, S.A. Vector signaling with reduced receiver complexity
US9288082B1 (en) 2010-05-20 2016-03-15 Kandou Labs, S.A. Circuits for efficient detection of vector signaling codes for chip-to-chip communication using sums of differences
US9325360B2 (en) * 2010-09-28 2016-04-26 Qualcomm Incorporated Reducing non-linearities in a differential receiver path prior to a mixer using calibration
US8436695B2 (en) 2010-12-01 2013-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Imbalance detection and reduction for wideband balun
CN102111109B (zh) * 2011-01-11 2013-01-30 东南大学 一种返回式电流复用混频器
EP2485393B1 (de) 2011-02-08 2014-05-14 ST-Ericsson SA Verstärker für einen drahtlosen Empfänger
US8818309B2 (en) 2011-03-28 2014-08-26 Silicon Laboratories Inc. Providing multiple inductors for a radio tuner
US9178669B2 (en) 2011-05-17 2015-11-03 Qualcomm Incorporated Non-adjacent carrier aggregation architecture
TWI500256B (zh) 2011-05-25 2015-09-11 Realtek Semiconductor Corp 振盪頻率偏移偵測方法以及振盪頻率偏移偵測電路
US9252827B2 (en) 2011-06-27 2016-02-02 Qualcomm Incorporated Signal splitting carrier aggregation receiver architecture
US9154179B2 (en) 2011-06-29 2015-10-06 Qualcomm Incorporated Receiver with bypass mode for improved sensitivity
US8503960B2 (en) * 2011-07-29 2013-08-06 Mediatek Singapore Pte. Ltd. Amplifier and associated receiver
US12081243B2 (en) 2011-08-16 2024-09-03 Qualcomm Incorporated Low noise amplifiers with combined outputs
US20130107925A1 (en) * 2011-10-28 2013-05-02 Broadcom Corporation Down converter with offset cancellation and methods for use therewith
US8774334B2 (en) 2011-11-09 2014-07-08 Qualcomm Incorporated Dynamic receiver switching
US9172402B2 (en) 2012-03-02 2015-10-27 Qualcomm Incorporated Multiple-input and multiple-output carrier aggregation receiver reuse architecture
US9362958B2 (en) 2012-03-02 2016-06-07 Qualcomm Incorporated Single chip signal splitting carrier aggregation receiver architecture
KR101704482B1 (ko) * 2012-03-29 2017-02-09 텔레폰악티에볼라겟엘엠에릭슨(펍) 고조파 오디오 시그널의 대역폭 연장
US9118439B2 (en) 2012-04-06 2015-08-25 Qualcomm Incorporated Receiver for imbalanced carriers
US9268683B1 (en) 2012-05-14 2016-02-23 Kandou Labs, S.A. Storage method and apparatus for random access memory using codeword storage
US9154356B2 (en) 2012-05-25 2015-10-06 Qualcomm Incorporated Low noise amplifiers for carrier aggregation
US9867194B2 (en) 2012-06-12 2018-01-09 Qualcomm Incorporated Dynamic UE scheduling with shared antenna and carrier aggregation
JP5853881B2 (ja) * 2012-06-26 2016-02-09 三菱電機株式会社 無線通信装置
US9300420B2 (en) 2012-09-11 2016-03-29 Qualcomm Incorporated Carrier aggregation receiver architecture
US9689954B2 (en) * 2012-09-28 2017-06-27 William Marsh Rice University Intergrated electron spin resonance spectrometer
US9543903B2 (en) 2012-10-22 2017-01-10 Qualcomm Incorporated Amplifiers with noise splitting
CN105122758B (zh) 2013-02-11 2018-07-10 康杜实验室公司 高带宽芯片间通信接口方法和系统
US8995591B2 (en) 2013-03-14 2015-03-31 Qualcomm, Incorporated Reusing a single-chip carrier aggregation receiver to support non-cellular diversity
US8811538B1 (en) 2013-03-15 2014-08-19 Blackberry Limited IQ error correction
EP2779510B1 (de) 2013-03-15 2018-10-31 BlackBerry Limited Statistische Gewichtung und Anpassung der Statusvariablen in einem Radio
US8942656B2 (en) 2013-03-15 2015-01-27 Blackberry Limited Reduction of second order distortion in real time
US9197279B2 (en) 2013-03-15 2015-11-24 Blackberry Limited Estimation and reduction of second order distortion in real time
US8983486B2 (en) 2013-03-15 2015-03-17 Blackberry Limited Statistical weighting and adjustment of state variables in a radio
KR102241045B1 (ko) 2013-04-16 2021-04-19 칸도우 랩스 에스에이 고 대역폭 통신 인터페이스를 위한 방법 및 시스템
US9344124B2 (en) * 2013-05-01 2016-05-17 Qualcomm Incorporated Jammer resistant noise cancelling receiver front end
DE102013104485B4 (de) * 2013-05-02 2025-02-13 Infineon Technologies Ag Eine vorrichtung und ein verfahren zum bearbeiten eines empfangssignals und eine mischereinheit
US8824078B1 (en) * 2013-05-24 2014-09-02 Texas Instruments Incorporated Receiver circuits and methods for processing received signals
JP6491426B2 (ja) * 2013-06-10 2019-03-27 アイメックＩｍｅｃ 高調波除去ミキサにおいて２次歪みを低減するための方法
WO2014210074A1 (en) 2013-06-25 2014-12-31 Kandou Labs SA Vector signaling with reduced receiver complexity
US9178473B2 (en) 2013-12-19 2015-11-03 Qualcomm Incorporated Distortion cancellation for low noise amplifier (LNA) non-linear second order products
US9806761B1 (en) 2014-01-31 2017-10-31 Kandou Labs, S.A. Methods and systems for reduction of nearest-neighbor crosstalk
CN110266615B (zh) 2014-02-02 2022-04-29 康杜实验室公司 低isi比低功率芯片间通信方法和装置
WO2015131203A1 (en) 2014-02-28 2015-09-03 Kandou Lab, S.A. Clock-embedded vector signaling codes
US9509437B2 (en) 2014-05-13 2016-11-29 Kandou Labs, S.A. Vector signaling code with improved noise margin
US9148087B1 (en) 2014-05-16 2015-09-29 Kandou Labs, S.A. Symmetric is linear equalization circuit with increased gain
US9852806B2 (en) 2014-06-20 2017-12-26 Kandou Labs, S.A. System for generating a test pattern to detect and isolate stuck faults for an interface using transition coding
US9112550B1 (en) 2014-06-25 2015-08-18 Kandou Labs, SA Multilevel driver for high speed chip-to-chip communications
DE102014109102B4 (de) * 2014-06-30 2021-09-16 Intel Corporation Empfänger, Sende-Empfangs-Gerät und Verfahren zum Empfangen eines Signals
CN106797352B (zh) 2014-07-10 2020-04-07 康杜实验室公司 高信噪特性向量信令码
US9432082B2 (en) 2014-07-17 2016-08-30 Kandou Labs, S.A. Bus reversable orthogonal differential vector signaling codes
EP3152879B1 (de) 2014-07-21 2019-09-04 Kandou Labs S.A. Multidrop-datenübertragung
KR101949964B1 (ko) 2014-08-01 2019-02-20 칸도우 랩스 에스에이 임베딩된 클록을 갖는 직교 차동 벡터 시그널링 코드
US9379753B2 (en) 2014-09-15 2016-06-28 Qualcomm Incorporated On-chip linearity calibration
US9674014B2 (en) 2014-10-22 2017-06-06 Kandou Labs, S.A. Method and apparatus for high speed chip-to-chip communications
US9374063B1 (en) * 2015-02-05 2016-06-21 University Of Macau Gain-boosted N-path bandpass filter
EP3700154B1 (de) 2015-06-26 2024-10-02 Kandou Labs, S.A. Hochgeschwindigkeitskommunikationssystem
EP3148077B1 (de) * 2015-09-25 2019-07-17 Delta Electronics (Thailand) Public Co., Ltd. Treiber für einen p-kanal-mosfet
US10055372B2 (en) 2015-11-25 2018-08-21 Kandou Labs, S.A. Orthogonal differential vector signaling codes with embedded clock
US10177722B2 (en) 2016-01-12 2019-01-08 Qualcomm Incorporated Carrier aggregation low-noise amplifier with tunable integrated power splitter
US10003315B2 (en) 2016-01-25 2018-06-19 Kandou Labs S.A. Voltage sampler driver with enhanced high-frequency gain
US9712198B1 (en) * 2016-03-18 2017-07-18 Samsung Electronics Co., Ltd Apparatus and method for providing background real-time second order input intercept point calibration
US10003454B2 (en) 2016-04-22 2018-06-19 Kandou Labs, S.A. Sampler with low input kickback
US10242749B2 (en) 2016-04-22 2019-03-26 Kandou Labs, S.A. Calibration apparatus and method for sampler with adjustable high frequency gain
EP3446403B1 (de) 2016-04-22 2021-01-06 Kandou Labs S.A. Hochleistungsphasenregelkreis
WO2017190102A1 (en) 2016-04-28 2017-11-02 Kandou Labs, S.A. Low power multilevel driver
CN109313622B (zh) 2016-04-28 2022-04-15 康杜实验室公司 用于密集路由线组的向量信令码
US10153591B2 (en) 2016-04-28 2018-12-11 Kandou Labs, S.A. Skew-resistant multi-wire channel
US9906358B1 (en) 2016-08-31 2018-02-27 Kandou Labs, S.A. Lock detector for phase lock loop
US10411922B2 (en) 2016-09-16 2019-09-10 Kandou Labs, S.A. Data-driven phase detector element for phase locked loops
US10200188B2 (en) 2016-10-21 2019-02-05 Kandou Labs, S.A. Quadrature and duty cycle error correction in matrix phase lock loop
US10200218B2 (en) 2016-10-24 2019-02-05 Kandou Labs, S.A. Multi-stage sampler with increased gain
US10372665B2 (en) 2016-10-24 2019-08-06 Kandou Labs, S.A. Multiphase data receiver with distributed DFE
US9935584B1 (en) 2017-03-30 2018-04-03 Nvidia Corporation Self-biased gyrator-based receiver for amplification and equalization of single-ended signals
US10116468B1 (en) 2017-06-28 2018-10-30 Kandou Labs, S.A. Low power chip-to-chip bidirectional communications
US10686583B2 (en) 2017-07-04 2020-06-16 Kandou Labs, S.A. Method for measuring and correcting multi-wire skew
US10523254B2 (en) * 2017-07-20 2019-12-31 Qualcomm Incorporated Mixer S11 control via sum component termination
US10203226B1 (en) 2017-08-11 2019-02-12 Kandou Labs, S.A. Phase interpolation circuit
US10326623B1 (en) 2017-12-08 2019-06-18 Kandou Labs, S.A. Methods and systems for providing multi-stage distributed decision feedback equalization
US10554380B2 (en) 2018-01-26 2020-02-04 Kandou Labs, S.A. Dynamically weighted exclusive or gate having weighted output segments for phase detection and phase interpolation
US10931249B2 (en) 2018-06-12 2021-02-23 Kandou Labs, S.A. Amplifier with adjustable high-frequency gain using varactor diodes
WO2019241081A1 (en) 2018-06-12 2019-12-19 Kandou Labs, S.A. Passive multi-input comparator for orthogonal codes on a multi-wire bus
KR102579595B1 (ko) 2018-09-10 2023-09-18 칸도우 랩스 에스에이 슬라이서의 동작 전류를 제어하기 위한 안정화된 고주파 피킹을 갖는 프로그래밍 가능한 연속 시간 선형 이퀄라이저
US10581453B1 (en) * 2018-12-18 2020-03-03 Robert Bosch Gmbh Precision current-to-digital converter
WO2020183619A1 (ja) * 2019-03-12 2020-09-17 三菱電機株式会社 ミクサ
US10574487B1 (en) 2019-04-08 2020-02-25 Kandou Labs, S.A. Sampler offset calibration during operation
US10608849B1 (en) 2019-04-08 2020-03-31 Kandou Labs, S.A. Variable gain amplifier and sampler offset calibration without clock recovery
US10680634B1 (en) 2019-04-08 2020-06-09 Kandou Labs, S.A. Dynamic integration time adjustment of a clocked data sampler using a static analog calibration circuit
US10721106B1 (en) 2019-04-08 2020-07-21 Kandou Labs, S.A. Adaptive continuous time linear equalization and channel bandwidth control
US11158941B2 (en) * 2019-11-04 2021-10-26 Bae Systems Information And Electronic Systems Integration Inc. Decorrelation of intermodulation products in mixer circuits
DE102020203841A1 (de) * 2020-03-25 2021-09-30 Infineon Technologies Ag Elektrische schaltung, pulsradargerät, verfahren zum bereitstellen eines ausgangssignals und radarverfahren
US11303484B1 (en) 2021-04-02 2022-04-12 Kandou Labs SA Continuous time linear equalization and bandwidth adaptation using asynchronous sampling
US11374800B1 (en) 2021-04-14 2022-06-28 Kandou Labs SA Continuous time linear equalization and bandwidth adaptation using peak detector
US11456708B1 (en) 2021-04-30 2022-09-27 Kandou Labs SA Reference generation circuit for maintaining temperature-tracked linearity in amplifier with adjustable high-frequency gain
US11843418B2 (en) * 2021-09-16 2023-12-12 Cisco Technology, Inc. DC and offset cancellation for fully differential optical receiver
CN114172461A (zh) * 2021-12-16 2022-03-11 中国移动通信有限公司研究院 偏置电压生成电路、方法及无源混频器
US12355409B2 (en) 2022-03-24 2025-07-08 Kandou Labs SA Variable gain amplifier with cross-coupled common mode reduction
CN115001409A (zh) * 2022-04-24 2022-09-02 杭州中科微电子有限公司 一种双射频输入单射频输出的低噪声放大器
US12395126B2 (en) 2023-06-16 2025-08-19 Apple Inc. Methods and circuitry for reducing mixer harmonics conversion gain and local oscillator fundamental and harmonics feedthrough
TWI835678B (zh) * 2023-06-27 2024-03-11 瑞昱半導體股份有限公司 具有不匹配校正機制的訊號傳送裝置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002111412A (ja) 2000-09-29 2002-04-12 Toshiba Corp 増幅回路
AU2002240055A1 (en) 2001-01-25 2002-08-06 Regents Of The University Of Minnesota High linearity circuits and methods regarding same
JP4004018B2 (ja) 2001-06-29 2007-11-07 株式会社東芝 周波数変換器及びこれを用いた無線通信装置
US6670901B2 (en) * 2001-07-31 2003-12-30 Motorola, Inc. Dynamic range on demand receiver and method of varying same
US7203472B2 (en) * 2002-03-15 2007-04-10 Nokia Corporation Method and apparatus providing calibration technique for RF performance tuning
US6781467B2 (en) * 2003-01-24 2004-08-24 Qualcomm Incorporated High linearity low noise amplifier
US7139542B2 (en) 2003-03-03 2006-11-21 Nokia Corporation Method and apparatus for compensating DC level in an adaptive radio receiver
WO2007149346A2 (en) * 2006-06-16 2007-12-27 Pulsewave Rf, Inc. Radio frequency power amplifier and method using a controlled supply

Also Published As

Publication number Publication date
EP2294700B1 (de) 2012-03-07
US20090323864A1 (en) 2009-12-31
US8149955B2 (en) 2012-04-03
EP2294700A1 (de) 2011-03-16
CN102138283A (zh) 2011-07-27
CN102138283B (zh) 2014-06-25
WO2010000643A1 (en) 2010-01-07

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