HK1039001A1 - Reduced complexity fft window synchronization for an orthogonal frequency division multiplexing system - Google Patents
Reduced complexity fft window synchronization for an orthogonal frequency division multiplexing systemInfo
- Publication number
- HK1039001A1 HK1039001A1 HK02100670A HK02100670A HK1039001A1 HK 1039001 A1 HK1039001 A1 HK 1039001A1 HK 02100670 A HK02100670 A HK 02100670A HK 02100670 A HK02100670 A HK 02100670A HK 1039001 A1 HK1039001 A1 HK 1039001A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- frequency division
- division multiplexing
- orthogonal frequency
- multiplexing system
- reduced complexity
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
- H04L27/2665—Fine synchronisation, e.g. by positioning the FFT window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03522—Frequency domain
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/511,185 US6650617B1 (en) | 2000-02-22 | 2000-02-22 | Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1039001A1 true HK1039001A1 (en) | 2002-04-04 |
Family
ID=24033801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02100670A HK1039001A1 (en) | 2000-02-22 | 2002-01-29 | Reduced complexity fft window synchronization for an orthogonal frequency division multiplexing system |
Country Status (11)
Country | Link |
---|---|
US (1) | US6650617B1 (zh) |
EP (1) | EP1139623B1 (zh) |
JP (1) | JP4758010B2 (zh) |
KR (1) | KR100760972B1 (zh) |
CN (1) | CN1258892C (zh) |
AU (1) | AU781050B2 (zh) |
BR (1) | BR0100686A (zh) |
DE (1) | DE60111444T2 (zh) |
HK (1) | HK1039001A1 (zh) |
MX (1) | MXPA01001897A (zh) |
MY (1) | MY124520A (zh) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4378837B2 (ja) * | 2000-04-07 | 2009-12-09 | ソニー株式会社 | 受信装置 |
IT1318161B1 (it) * | 2000-07-14 | 2003-07-23 | Cit Alcatel | Metodo e dispositivo per il recupero di portante in sistemi ofdm |
US6771591B1 (en) * | 2000-07-31 | 2004-08-03 | Thomson Licensing S.A. | Method and system for processing orthogonal frequency division multiplexed signals |
GB2369015A (en) * | 2000-11-09 | 2002-05-15 | Sony Uk Ltd | Receiver that uses guard signals to estimate synchronisation position |
US7054375B2 (en) * | 2000-12-22 | 2006-05-30 | Nokia Corporation | Method and apparatus for error reduction in an orthogonal modulation system |
US7023937B2 (en) * | 2001-03-01 | 2006-04-04 | Texas Instruments Incorporated | Receiver window design for multicarrier communication systems |
JP3798656B2 (ja) * | 2001-06-22 | 2006-07-19 | 株式会社ケンウッド | 直交周波数分割多重信号受信装置、受信装置、直交周波数分割多重信号受信方法及び受信方法 |
FR2830394A1 (fr) * | 2001-10-03 | 2003-04-04 | Canon Kk | Procede et dispositif de reception optimisee |
US7548506B2 (en) * | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
KR100789299B1 (ko) | 2001-11-19 | 2007-12-28 | 엘지전자 주식회사 | 주파수 영역의 이퀄라이저를 이용한 무선 통신 방법 |
US20030112883A1 (en) * | 2001-12-13 | 2003-06-19 | Ihrie David Wayne | Method and apparatus for bi-directional communication in systems broadcasting multi-carrier signals |
FR2835136A1 (fr) * | 2002-01-22 | 2003-07-25 | St Microelectronics Sa | Demodulateur cofdm a positionnement optimal de fenetre d'analyse fft |
WO2003094399A1 (fr) * | 2002-04-30 | 2003-11-13 | Advantest Corporation | Procede, programme, mesureur de position d'un dispositif et support sur lequel est enregistre le programme |
KR100453695B1 (ko) * | 2002-05-20 | 2004-10-20 | 전자부품연구원 | 이산 푸리에 변환 또는 고속푸리에 변환의 분해능력향상을 위한 주파수 및 위상 오프셋의 보간 방법 |
WO2004013999A1 (en) * | 2002-07-31 | 2004-02-12 | Thomson Licensing S.A. | Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver |
US7161896B1 (en) * | 2002-08-12 | 2007-01-09 | Cisco Systems Wireless Networking (Australia) Pty Limited | Channel estimation in a multicarrier radio receiver |
US7397758B1 (en) * | 2002-08-12 | 2008-07-08 | Cisco Technology, Inc. | Channel tracking in a OFDM wireless receiver |
JP3679080B2 (ja) * | 2002-09-30 | 2005-08-03 | 株式会社バッファロー | 無線lan、無線lanによるデータ送受信方法およびデータ送受信制御プログラムを記録した媒体 |
US7039004B2 (en) * | 2002-10-01 | 2006-05-02 | Atheros Communications, Inc. | Decision feedback channel estimation and pilot tracking for OFDM systems |
US20060165197A1 (en) * | 2002-11-01 | 2006-07-27 | Matsushita Electric Industrial Co., Ltd. | Synchronous follow-up device and method |
AU2003286880A1 (en) * | 2002-11-07 | 2004-06-03 | Magis Networks, Inc. | Hybrid wired/wireless local area networking |
US7453792B2 (en) * | 2002-11-14 | 2008-11-18 | Edgewater Computer Systems, Inc. | Receiver architecture for pilot based OFDM systems |
US7277517B1 (en) * | 2002-11-15 | 2007-10-02 | 3Com Corporation | Method for achieving symbol alignment to a pre-existing ADSL data exchange |
JP3740468B2 (ja) * | 2003-01-22 | 2006-02-01 | 株式会社東芝 | Ofdm受信装置及びデータ復調方法 |
CN1846383B (zh) | 2003-07-02 | 2011-05-04 | 松下电器产业株式会社 | 通信装置及通信方法 |
EP1499081A3 (en) * | 2003-07-18 | 2007-01-03 | Broadcom Corporation | Multicarrier signal structure |
JP4161054B2 (ja) * | 2003-12-16 | 2008-10-08 | テクトロニクス・インターナショナル・セールス・ゲーエムベーハー | デジタル信号復調装置 |
US8055755B2 (en) * | 2004-02-05 | 2011-11-08 | At&T Intellectual Property Ii, L.P. | Method for determining VoIP gateway performance and SLAs based upon path measurements |
US7489749B2 (en) * | 2004-02-24 | 2009-02-10 | Ming-Kang Liu | Optimum phase timing recovery in the presence of strong intersymbol interference |
US20050265219A1 (en) * | 2004-05-11 | 2005-12-01 | Texas Instruments Incorporated | Orthogonal frequency division multiplex (OFDM) packet detect unit, method of detecting an OFDM packet and OFDM receiver employing the same |
FR2871314B1 (fr) * | 2004-06-07 | 2006-09-15 | Nortel Networks Ltd | Procede pour estimer des symboles d'un signal numerique et recepteur pour la mise en oeuvre du procede |
CN1993954B (zh) * | 2004-06-28 | 2013-01-02 | 诺基亚公司 | 用于接收包括保护频带的ofdm信号的装置和相应方法 |
US7453856B2 (en) * | 2004-09-03 | 2008-11-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques |
WO2006069475A1 (fr) * | 2004-12-28 | 2006-07-06 | Zte Corporation | Procede permettant d'eliminer l'interference entre porteuses dans un systeme de communication mobile a multiplexage par repartition orthogonale de la frequence |
KR100604926B1 (ko) * | 2005-01-07 | 2006-07-28 | 삼성전자주식회사 | Dvb-t 수신장치 및 dvb-t 수신장치의 채널 및fft 윈도우 선택 방법 |
KR100770924B1 (ko) * | 2005-02-04 | 2007-10-26 | 삼성전자주식회사 | 무선 통신 시스템에서 주파수 오차 보상 장치 및 방법 |
US7609773B2 (en) * | 2005-04-18 | 2009-10-27 | Qualcomm Incorporated | Method of determining the location of the FFT window and the delay spread for the platinum broadcast channel estimator |
CN1881970B (zh) * | 2005-06-13 | 2011-01-12 | 北京中电华大电子设计有限责任公司 | Ofdm系统中补偿采样频偏与载波频偏的方法和装置 |
CN1905406B (zh) * | 2005-07-28 | 2011-04-20 | 上海原动力通信科技有限公司 | 宽带时分双工蜂窝系统的同步方法 |
US7729238B2 (en) * | 2005-12-09 | 2010-06-01 | Electronics And Telecommunications Research Institute | Method for adjusting FFT window positioning in MB-OFDM UWB system |
KR100763597B1 (ko) * | 2005-12-09 | 2007-10-05 | 한국전자통신연구원 | 멀티밴드 직교주파수분할다중화 초광대역 시스템에서의고속푸리에변환 윈도우 위치 조정 방법 |
US8824531B2 (en) * | 2005-12-16 | 2014-09-02 | Nxp, B.V. | Method and a system for estimating a symbol time error in a broadband transmission system |
CN101009543B (zh) * | 2006-01-26 | 2010-12-15 | 华为技术有限公司 | 一种时频资源的分配方法及装置 |
KR101200736B1 (ko) | 2006-03-14 | 2012-11-13 | 퀄컴 인코포레이티드 | 주파수 영역의 신호 처리를 위한 스마트 안테나 시스템 및이를 위한 이동 단말과 기지국의 송수신 장치 및 방법 |
JP5046317B2 (ja) * | 2006-04-27 | 2012-10-10 | 住友電気工業株式会社 | 受信機、送信機、伝送システム、及び伝送方法 |
US20080056343A1 (en) * | 2006-08-30 | 2008-03-06 | Ravikiran Rajagopal | Frame synchronization |
CN101267419B (zh) * | 2007-03-16 | 2011-09-21 | 富士通株式会社 | 一种用于ofdm符号定时的时间提前量调节方法及装置 |
EP2071787B1 (en) * | 2007-12-10 | 2013-03-13 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Method and apparatus for positioning an FFT- window in an OFDM-receiver |
EP2071784B1 (en) * | 2007-12-10 | 2013-05-22 | TELEFONAKTIEBOLAGET LM ERICSSON (publ) | Method and apparatus for delay spread estimation |
CN101227448B (zh) * | 2008-02-19 | 2011-04-13 | 威盛电子股份有限公司 | 使用移动式窗口信道估计的时间同步装置、方法与接收器 |
EP3514993A1 (en) * | 2008-03-31 | 2019-07-24 | Panasonic Intellectual Property Management Co., Ltd. | Receiver, method of reception, reception program, integrated circuit, and digital television |
US8059737B2 (en) * | 2008-06-23 | 2011-11-15 | Mediatek Inc. | OFDM receiver having memory capable of acting in a single-chip mode and a diversity mode |
KR101485780B1 (ko) * | 2008-06-27 | 2015-01-23 | 삼성전자주식회사 | 무선통신 시스템에서 심볼 타이밍 오프셋 추정 방법 및장치 |
TW201141144A (en) | 2009-11-16 | 2011-11-16 | Maxlinear Inc | Apparatus and methods for symbol timing error detection, tracking and correction |
DE112011105589B4 (de) * | 2011-09-05 | 2021-02-04 | Mitsubishi Electric Corp. | Empfangsvorrichtung und Empfangsverfahren |
CN102664840B (zh) * | 2012-04-26 | 2015-03-11 | 哈尔滨工程大学 | 基于循环前缀的水声正交频分复用多普勒估计方法 |
CN102932312B (zh) * | 2012-11-27 | 2015-06-17 | 中国科学院微电子研究所 | 一种ofdm电力线载波通信系统的多径调整方法 |
JP6366692B2 (ja) * | 2013-05-16 | 2018-08-01 | ゼットティーイー(ユーエスエー)インコーポレーテッド | ハーフサイクル化直交周波数分割多重送信及び受信 |
TWI636684B (zh) * | 2017-03-15 | 2018-09-21 | 普誠科技股份有限公司 | 訊號收發裝置同步點偵測方法 |
CN112291013B (zh) * | 2020-09-25 | 2024-06-14 | 湖南工业大学 | 一种光ofdm系统的采样时钟频率偏移盲估计方法 |
CN113890802B (zh) * | 2021-09-01 | 2023-04-25 | 杭州电子科技大学富阳电子信息研究院有限公司 | 一种基于pn序列的符号定时同步方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG44771A1 (en) * | 1991-02-28 | 1997-12-19 | Philips Electronics Nv | System for broadcasting and receiving digital data receiver and transmitter for use in such system |
US5282222A (en) | 1992-03-31 | 1994-01-25 | Michel Fattouche | Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum |
WO1997007620A1 (en) | 1995-08-16 | 1997-02-27 | Philips Electronics N.V. | Transmission system with improved symbol processing |
FR2743967B1 (fr) | 1996-01-18 | 1998-03-27 | France Telecom | Procede et dispositif de synchronisation temporelle d'un recepteur d'un signal multiporteuse |
JP3554465B2 (ja) * | 1996-05-20 | 2004-08-18 | シャープ株式会社 | 直交周波数分割多重方式の復調器 |
US5995568A (en) * | 1996-10-28 | 1999-11-30 | Motorola, Inc. | Method and apparatus for performing frame synchronization in an asymmetrical digital subscriber line (ADSL) system |
US6359938B1 (en) * | 1996-10-31 | 2002-03-19 | Discovision Associates | Single chip VLSI implementation of a digital receiver employing orthogonal frequency division multiplexing |
US5953311A (en) | 1997-02-18 | 1999-09-14 | Discovision Associates | Timing synchronization in a receiver employing orthogonal frequency division multiplexing |
KR100226698B1 (ko) * | 1996-12-28 | 1999-10-15 | 전주범 | 직교 주파수 분할 다중화 수신 시스템의 채널 등화 장치 |
SE9703630L (sv) | 1997-03-03 | 1998-09-04 | Telia Ab | Förbättringar av, eller med avseende på, synkronisering |
SE9703629L (sv) | 1997-03-03 | 1998-09-04 | Telia Ab | Förbättringar av, eller med avseende på, synkronisering |
JP3726857B2 (ja) | 1997-05-02 | 2005-12-14 | ソニー株式会社 | 受信装置および受信方法 |
KR100224863B1 (ko) | 1997-08-20 | 1999-10-15 | 윤종용 | Ofdm 수신기를 위한 등화 방법과 등화기 |
KR100224864B1 (ko) | 1997-08-20 | 1999-10-15 | 윤종용 | Ofdm 수신기를 위한 등화 방법과 등화기 |
KR100234330B1 (ko) | 1997-09-30 | 1999-12-15 | 윤종용 | Ofdm 시스템 수신기의 보호 구간 종류 검출장치 및 그 방법 |
KR100234329B1 (ko) | 1997-09-30 | 1999-12-15 | 윤종용 | Ofdm 시스템 수신기의 fft 윈도우 위치 복원장치 및 그 방법_ |
KR100265735B1 (ko) | 1997-11-25 | 2000-09-15 | 윤종용 | Fft윈도우위치복원과샘플링클럭제어가연동되는ofdm수신장치및그방법 |
KR100251936B1 (ko) * | 1997-12-26 | 2000-04-15 | 정몽규 | 차량의측면충돌흡수구조 |
JP2934225B1 (ja) * | 1998-04-06 | 1999-08-16 | 株式会社次世代デジタルテレビジョン放送システム研究所 | Ofdm復調装置 |
FI106592B (fi) * | 1998-05-07 | 2001-02-28 | Nokia Multimedia Network Termi | Menetelmä ja laite symbolitahdistuksen saavuttamiseksi ja ylläpitämiseksi erityisesti OFDM-järjestelmässä |
KR100313890B1 (ko) * | 1998-05-15 | 2001-11-15 | 구자홍 | 디지털/아날로그 겸용 티브이 수상기 |
US6515847B1 (en) * | 1998-09-30 | 2003-02-04 | Nippon Chemi-Con Corporation | Solid electrolyte capacitor and its manufacturing method |
DE60029687T2 (de) | 1999-06-22 | 2007-10-18 | Matsushita Electric Industrial Co., Ltd., Kadoma | Symboltaktsynchronisierung in Mehrträgerempfängern |
JP4410388B2 (ja) * | 1999-06-22 | 2010-02-03 | パナソニック株式会社 | Ofdm復調装置およびofdm復調方法 |
-
2000
- 2000-02-22 US US09/511,185 patent/US6650617B1/en not_active Expired - Fee Related
-
2001
- 2001-01-30 EP EP01102040A patent/EP1139623B1/en not_active Expired - Lifetime
- 2001-01-30 DE DE60111444T patent/DE60111444T2/de not_active Expired - Lifetime
- 2001-02-07 AU AU18339/01A patent/AU781050B2/en not_active Ceased
- 2001-02-13 MY MYPI20010635A patent/MY124520A/en unknown
- 2001-02-20 KR KR1020010008384A patent/KR100760972B1/ko not_active IP Right Cessation
- 2001-02-21 BR BR0100686-0A patent/BR0100686A/pt not_active IP Right Cessation
- 2001-02-21 MX MXPA01001897A patent/MXPA01001897A/es active IP Right Grant
- 2001-02-22 JP JP2001047180A patent/JP4758010B2/ja not_active Expired - Fee Related
- 2001-02-22 CN CNB011028955A patent/CN1258892C/zh not_active Expired - Fee Related
-
2002
- 2002-01-29 HK HK02100670A patent/HK1039001A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR0100686A (pt) | 2001-10-09 |
MY124520A (en) | 2006-06-30 |
KR20010083190A (ko) | 2001-08-31 |
CN1258892C (zh) | 2006-06-07 |
AU781050B2 (en) | 2005-05-05 |
DE60111444D1 (de) | 2005-07-21 |
MXPA01001897A (es) | 2002-10-23 |
KR100760972B1 (ko) | 2007-09-27 |
US6650617B1 (en) | 2003-11-18 |
JP4758010B2 (ja) | 2011-08-24 |
EP1139623B1 (en) | 2005-06-15 |
DE60111444T2 (de) | 2006-04-27 |
CN1310528A (zh) | 2001-08-29 |
JP2001268042A (ja) | 2001-09-28 |
AU1833901A (en) | 2001-08-23 |
EP1139623A1 (en) | 2001-10-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1039001A1 (en) | Reduced complexity fft window synchronization for an orthogonal frequency division multiplexing system | |
EP1355467B8 (en) | Orthogonal frequency division multiplexing (OFDM) system with channel transfer function prediction | |
EP0983654A4 (en) | SYNCHRONOUS COHERENT ORTHOGONAL FREQUENCY MULTIPLEX SYSTEM | |
DE69938594D1 (de) | Orthogonales Frequenzmultiplex-Empfängersystem | |
GB0009001D0 (en) | Orthogonal frequency division multiplexing receiver | |
AU2442301A (en) | Correction of a sampling frequency offset in an orthogonal frequency division multiplexing system | |
DE69527590T2 (de) | Frequenzsynchronisierung für OFDM-System | |
SG114486A1 (en) | Apparatus and method for compensating for frequency offset in orthogonal frequency division multiplexing system | |
NO983589D0 (no) | OFDM (orthogonal frequency devision multiplex) system | |
AU2003282424A1 (en) | Frequency hopping method in orthogonal frequency division multiplexing system | |
GB2350037B (en) | Pilot signals for synchronization and/or channel estimation | |
NO972671L (no) | Ortogonalt frekvensdelt multiplekssystem | |
SG111018A1 (en) | Apparatus and method for compensating for frequency offset in orthogonal frequency division multiplexing system | |
AU3991697A (en) | Timing synchronization in a receiver employing orthogonal frequency division multiplexing | |
PT1072137E (pt) | Sincronizacao aproximada de frequencia em sistemas de multiportadora | |
AU2002221086A1 (en) | Diversity receiver, and method for receiving orthogonal frequency division multiplex signal | |
AU7627401A (en) | Method for the transmission of digital data by means of radio signals with orthogonal frequency division multiplexing (ofdm) | |
GB0116026D0 (en) | Synchronization system for motors | |
DE60040038D1 (de) | Rahmensynchronisierung für OFDM | |
AU2002322795A1 (en) | Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver | |
GB0116263D0 (en) | A receiving apparatus for signal transmission system of orthogonal frequency division multiplexing | |
GB0100501D0 (en) | Receiver for orthogonal frequency-division multiplexed signal | |
AU2002227525A1 (en) | Slotted synchronous frequency division multiplexing for multi-drop networks | |
DE69838787D1 (de) | Frequenzkorrektur in einem OFDM (orthogonale Frequenzmultiplexierung) Empfänger | |
EP1217772A4 (en) | TIME DIVISION MULTIPLEXING METHOD |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CORR | Corrigendum |
Free format text: NAME (S) OF INVENTOR (S): MAXIM B. BELOTSERKOVSKY, LOUIS ROBERT LITWIN JR. |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20100222 |