JPH11508113A - ディジタル伝送装置における受信機のための拡張されたチャンネル推定付きイコライザ - Google Patents
ディジタル伝送装置における受信機のための拡張されたチャンネル推定付きイコライザInfo
- Publication number
- JPH11508113A JPH11508113A JP9536901A JP53690197A JPH11508113A JP H11508113 A JPH11508113 A JP H11508113A JP 9536901 A JP9536901 A JP 9536901A JP 53690197 A JP53690197 A JP 53690197A JP H11508113 A JPH11508113 A JP H11508113A
- Authority
- JP
- Japan
- Prior art keywords
- sequence
- impulse
- correlation
- pulse response
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5691—Access to open networks; Ingress point selection, e.g. ISP selection
- H04L12/5692—Selection among different networks
-
- 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
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
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)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.受信機を有するディジタル伝送装置であって、前記受信機は ―受信機入力段(1)及び、伝送チャンネルによって歪ませられた信号の、受 信機入力段で形成されたサンプル値(6)のバイナリシンボルのシーケンスを蓄 積するためのディジタルメモリ(7)と、そして ―伝送チャンネルを表現、記述する代替装置(14)のインパルスないしパル スレスポンス、このインパルスないしパルスレスポンスは少なくとも1つのバイ ナリシンボルだけ拡張された既知のトレーニングシーケンス(26)の一部のサ ンプル値(6)を持つ既知のトレーニングシーケンス(27)の係数の第一相関 によって決められる、によって、サンプル値(6)からバイナリ推定のシーケン スを形成するためのイコライザ(8,9,10,11)と、を有するディジタル 伝送装置において、 可変第一相関ウィンドウサイズ及び第一相関の可変数が、代替装置(14)の インパルスないしパルスレスポンスを伝送チャンネルのインパルスないしパルス レスポンスに適応させるために用いられることを特徴とする、ディジタル伝送装 置。 2.少なくとも1つのバイナリシンボルだけ低減され または拡張された既知のトレーニングシーケンス(26)の係数が、拡張された トレーニングシーケンス(26)の一部のサンプル値(6)を持つ第一係数を形 成するために用いられるような、請求項1に記載のディジタル伝送装置。 3.第一相関が、ベクトルに組み合わせられるように用いられ、そしてこのベク トルは多用途のマトリクスを含み、そのマトリクスの要素は、少なくとも1つの バイナリシンボルだけさらに拡張されたトレーニングシーケンス(26)のそれ ぞれの部分を持つ、少なくとも1つのバイナリシンボルだけ低減されまたは拡張 された既知のトレーニングシーケンス(26)の係数の第二相関によって形成さ れるような、請求項1に記載のディジタル伝送装置。 4.各トレーニングシーケンス(27)及び、それぞれのトレーニングシーケン ス(27)の各低減及び拡張に関する、それぞれのマトリクスを蓄積するために メモリが用いられるような、請求項3に記載のディジタル伝送装置。 5.代替装置(14)のインパルスないしパルスレスポンスを、伝送装置のイン パルスないしパルスレスポンスに適応させるために、第一相関の形成の少なくと も1回の繰り返しが実行され、その結果サンプル値(6)におけるトレーニング シーケンス(27)のそれぞれの開始が以前の相関によって決められ 、そして最も都合良い相関ウインドウサイズが繰り返しのために用いられるよう な、請求項1に記載のディジタル伝送装置。 6.受信機入力段(1)と、そして伝送チャンネルによって歪ませられた信号の 、受信機入力段(1)で形成されたサンプル値(6)のバイナリシンボルのシー ケンスを蓄積するためのディジタルメモリ(7)を含む、そして伝送チャンネル を表現、記述する代替装置(14)のインパルスないしパルスレスポンス、この インパルスないしパルスレスポンスは少なくとも1つのバイナリシンボルだけ拡 張された既知のトレーニングシーケンス(26)の一部のサンプル値(6)を持 つ既知のトレーニングシーケンス(27)の係数の第一相関によって決められる 、によってサンプル値(6)からバイナリ推定のシーケンスを形成するためのイ コライザ(8,9,10,11)を含む受信機において、 可変第一ウィンドウサイズ及び第一相関の可変数が、代替装置(14)のイン パルスないしパルスレスポンスを伝送チャンネルのインパルスないしパルスレス ポンスに適応させるために用いられることを特徴とする受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19614543.0 | 1996-04-12 | ||
DE19614543A DE19614543C1 (de) | 1996-04-12 | 1996-04-12 | Entzerrer mit erweiterter Kanalschätzung für einen Empfänger in einem digitalen Übertragungssystem |
PCT/IB1997/000360 WO1997039536A1 (en) | 1996-04-12 | 1997-04-07 | Equalizer with extended channel estimation for a receiver in a digital transmission system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11508113A true JPH11508113A (ja) | 1999-07-13 |
JP4421682B2 JP4421682B2 (ja) | 2010-02-24 |
Family
ID=7791124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53690197A Expired - Lifetime JP4421682B2 (ja) | 1996-04-12 | 1997-04-07 | ディジタル伝送システムにおける受信機のための拡張されたチャンネル推定等化器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6002716A (ja) |
EP (1) | EP0848870B1 (ja) |
JP (1) | JP4421682B2 (ja) |
DE (2) | DE19614543C1 (ja) |
WO (1) | WO1997039536A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001047143A1 (fr) * | 1999-12-22 | 2001-06-28 | Matsushita Electric Industrial Co., Ltd. | Infereur a reponse impulsionnelle et procede d'inference a chemin de propagation |
JP2002185370A (ja) * | 2000-10-02 | 2002-06-28 | Mitsubishi Electric Inf Technol Center Europ Bv | チャネル推定系列及び伝送チャネルの特性を推定する方法 |
US7245676B2 (en) | 2003-04-03 | 2007-07-17 | Matsushita Electric Industrial Co., Ltd. | Adaptive equalizer |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2170510T3 (es) * | 1997-06-09 | 2002-08-01 | Siemens Ag | Procedimiento y dispositivo de recepcion para la transmision de datos. |
DE19747367C2 (de) * | 1997-10-27 | 2003-06-26 | Siemens Ag | Verfahren und Anordnung zur Übertragung von Daten über eine Funkschnittstelle in einem Funk-Kommunikationssystem |
FI106675B (fi) * | 1998-01-30 | 2001-03-15 | Nokia Networks Oy | Tiedonsiirtomenetelmä ja radiojärjestelmä |
DE69838807T2 (de) * | 1998-02-18 | 2008-10-30 | Sony Deutschland Gmbh | Abbildung von Mehrträgersignalen in GSM-Zeitschlitzen |
IL123782A (en) * | 1998-03-22 | 2001-05-20 | Eci Telecom Ltd | Signal Equality |
FR2776873B1 (fr) * | 1998-03-25 | 2000-06-02 | Matra Communication | Procede de detection d'une sequence de symboles discrets a partir d'un signal d'observation, et processeur de viterbi mettant en oeuvre un tel procede |
DE19824408A1 (de) * | 1998-05-30 | 1999-12-02 | Philips Patentverwaltung | Empfänger für ein digitales Übertragungssystem |
US6128765A (en) * | 1998-08-20 | 2000-10-03 | General Electric Company | Maximum A posterior estimator with fast sigma calculator |
US6263467B1 (en) * | 1998-08-20 | 2001-07-17 | General Electric Company | Turbo code decoder with modified systematic symbol transition probabilities |
US6373888B1 (en) * | 1998-10-09 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Estimated channel with variable number of taps |
US6542562B1 (en) * | 1999-02-09 | 2003-04-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Approximated MMSE-based channel estimator in a mobile communication system |
US6987746B1 (en) * | 1999-03-15 | 2006-01-17 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
US7643540B2 (en) * | 1999-03-15 | 2010-01-05 | Lg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
US6721299B1 (en) * | 1999-03-15 | 2004-04-13 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
KR100294711B1 (ko) * | 1999-03-15 | 2001-07-12 | 서평원 | 최적의 파일럿 심볼을 이용한 프레임 동기 방법 |
US7496132B2 (en) * | 1999-03-15 | 2009-02-24 | Kg Electronics Inc. | Pilot signals for synchronization and/or channel estimation |
DE19934355C2 (de) * | 1999-07-22 | 2001-08-16 | Bosch Gmbh Robert | Verfahren zum Empfang von Funksignalen über Funkkanäle und Vorrichtung zum Empfang von Funksignalen über Funkkanäle |
US6680987B1 (en) * | 1999-08-10 | 2004-01-20 | Hughes Electronics Corporation | Fading communications channel estimation and compensation |
EP1100211A1 (en) * | 1999-11-09 | 2001-05-16 | Lucent Technologies Inc. | Filter for telecommunications system |
US7092457B1 (en) * | 2000-01-18 | 2006-08-15 | University Of Southern California | Adaptive iterative detection |
US7184486B1 (en) | 2000-04-27 | 2007-02-27 | Marvell International Ltd. | LDPC encoder and decoder and method thereof |
US6888897B1 (en) | 2000-04-27 | 2005-05-03 | Marvell International Ltd. | Multi-mode iterative detector |
US7000177B1 (en) | 2000-06-28 | 2006-02-14 | Marvell International Ltd. | Parity check matrix and method of forming thereof |
US7072417B1 (en) | 2000-06-28 | 2006-07-04 | Marvell International Ltd. | LDPC encoder and method thereof |
US6965652B1 (en) | 2000-06-28 | 2005-11-15 | Marvell International Ltd. | Address generator for LDPC encoder and decoder and method thereof |
US6961392B2 (en) * | 2000-08-18 | 2005-11-01 | Texas Instruments Incorporated | Joint equalization and decoding using a search-based decoding algorithm |
DE10043742A1 (de) * | 2000-09-05 | 2002-04-04 | Infineon Technologies Ag | Verbesserte Kanalentzerrung für Mobilfunkempfänger |
US7099411B1 (en) | 2000-10-12 | 2006-08-29 | Marvell International Ltd. | Soft-output decoding method and apparatus for controlled intersymbol interference channels |
GB2368236B (en) * | 2000-10-16 | 2004-09-22 | Ubinetics Ltd | Broadcasting path difference limit information |
US7012966B2 (en) * | 2001-05-21 | 2006-03-14 | At&T Corp. | Channel estimation for wireless systems with multiple transmit antennas |
US7103115B2 (en) | 2001-05-21 | 2006-09-05 | At&T Corp. | Optimum training sequences for wireless systems |
US7079601B2 (en) | 2001-06-19 | 2006-07-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Efficient channel estimation in a digital communications system |
US7031250B2 (en) * | 2001-09-27 | 2006-04-18 | Rf Micro Devices, Inc. | Method and apparatus for channel estimation |
US20030161415A1 (en) * | 2002-02-26 | 2003-08-28 | Eyal Krupka | Iterative channel tracking |
US7428278B2 (en) * | 2002-05-09 | 2008-09-23 | Interdigital Technology Corporation | Method and apparatus for parallel midamble cancellation |
US7440524B2 (en) * | 2002-08-13 | 2008-10-21 | Mediatek, Inc. | Channel estimation in a wireless transmission system |
US7363011B2 (en) * | 2002-11-05 | 2008-04-22 | Nokia Corporation | Method and apparatus for estimating the impulse response of a radio channel based on a calculated correlation sequence |
GB2395623B (en) * | 2002-11-19 | 2006-02-22 | Matsushita Electric Ind Co Ltd | Reduced complexity dynamic tap search channel estimator |
CN1224280C (zh) * | 2002-12-27 | 2005-10-19 | 大唐移动通信设备有限公司 | 用于分时隙移动通信***的时变信道校准方法 |
US20040252772A1 (en) * | 2002-12-31 | 2004-12-16 | Markku Renfors | Filter bank based signal processing |
DE10303912B4 (de) * | 2003-01-31 | 2005-03-17 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Bestimmung von Energieverzögerungsprofilen bei einer Datenstrombübertragung über mehrfache Datenübertragungspfade |
US7187736B2 (en) * | 2003-02-13 | 2007-03-06 | Motorola Inc. | Reducing interference in a GSM communication system |
DE10326283A1 (de) * | 2003-06-11 | 2005-01-13 | Siemens Ag | Verfahren zur Bestimmung von Kanalkoeffizienten eines Datenübertragungskanals |
US20040258083A1 (en) * | 2003-06-20 | 2004-12-23 | Chen Chih-Hao | [method for estimating channel length dynamically] |
US7577892B1 (en) | 2005-08-25 | 2009-08-18 | Marvell International Ltd | High speed iterative decoder |
US7861131B1 (en) | 2005-09-01 | 2010-12-28 | Marvell International Ltd. | Tensor product codes containing an iterative code |
US8948817B2 (en) * | 2006-10-05 | 2015-02-03 | Nvidia Corporation | Cellular communication system, communication unit and method for broadcast communication |
US8095097B1 (en) * | 2007-08-06 | 2012-01-10 | Marvell International Ltd. | Increasing the robustness of channel estimates derived through sounding for WLAN |
TWI345876B (en) * | 2007-12-19 | 2011-07-21 | Sunplus Mmobile Inc | Method for calculating coefficients of filter and method for filtering |
US8321769B1 (en) | 2008-11-06 | 2012-11-27 | Marvell International Ltd. | Multi-parity tensor-product code for data channel |
US9059786B2 (en) * | 2011-07-07 | 2015-06-16 | Vecima Networks Inc. | Ingress suppression for communication systems |
RU2544178C1 (ru) * | 2013-10-11 | 2015-03-10 | Открытое акционерное общество "Камчатский гидрофизический институт" (ОАО "КГФИ") | Устройство для приема дискретных сигналов, прошедших многолучевой канал связи |
RU2565014C2 (ru) * | 2013-11-19 | 2015-10-10 | Открытое акционерное общество "Камчатский гидрофизический институт" (ОАО "КГФИ") | Способ декодирования сигналов связи |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59246A (ja) * | 1982-06-17 | 1984-01-05 | Fujitsu Ltd | トレ−ニング方式 |
US4791665A (en) * | 1987-01-30 | 1988-12-13 | American Telephone And Telegraph Company, At&T Information Systems | Inter-exchange carrier access selection feature for a PBX user |
US4811360A (en) * | 1988-01-14 | 1989-03-07 | General Datacomm, Inc. | Apparatus and method for adaptively optimizing equalization delay of data communication equipment |
DE4001592A1 (de) * | 1989-10-25 | 1991-05-02 | Philips Patentverwaltung | Empfaenger fuer digitales uebertragungssystem |
JP2956941B2 (ja) * | 1990-06-08 | 1999-10-04 | 株式会社東芝 | 構内電子交換機 |
JP2953132B2 (ja) * | 1991-09-12 | 1999-09-27 | 松下電器産業株式会社 | データ受信装置の等化器 |
JP3100447B2 (ja) * | 1992-01-10 | 2000-10-16 | 三菱電機株式会社 | 適応等化器および受信機 |
WO1993026106A1 (en) * | 1992-06-18 | 1993-12-23 | Oki Electric Industry Co., Ltd. | Maximum likelihood sequence estimating device and method therefor |
US5317595A (en) * | 1992-06-30 | 1994-05-31 | Nokia Mobile Phones Ltd. | Rapidly adaptable channel equalizer |
FR2696604B1 (fr) * | 1992-10-07 | 1994-11-04 | Alcatel Radiotelephone | Dispositif d'estimation d'un canal de transmission. |
JP2605566B2 (ja) * | 1992-12-25 | 1997-04-30 | 日本電気株式会社 | 適応型等化器 |
FI108975B (fi) * | 1993-03-09 | 2002-04-30 | Nokia Corp | Opetusjakso digitaalisessa solukkopuhelinjärjestelmässä |
CN1082292C (zh) * | 1994-02-16 | 2002-04-03 | 东芝株式会社 | 采样相位同步装置及所用的双向最大似然序列估计方式 |
US5539815A (en) * | 1995-02-24 | 1996-07-23 | At&T Corp. | Network call routing controlled by a management node |
-
1996
- 1996-04-12 DE DE19614543A patent/DE19614543C1/de not_active Expired - Lifetime
-
1997
- 1997-04-07 WO PCT/IB1997/000360 patent/WO1997039536A1/en active IP Right Grant
- 1997-04-07 EP EP97908459A patent/EP0848870B1/en not_active Expired - Lifetime
- 1997-04-07 DE DE69734561T patent/DE69734561T2/de not_active Expired - Lifetime
- 1997-04-07 JP JP53690197A patent/JP4421682B2/ja not_active Expired - Lifetime
- 1997-04-07 US US08/952,832 patent/US6002716A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001047143A1 (fr) * | 1999-12-22 | 2001-06-28 | Matsushita Electric Industrial Co., Ltd. | Infereur a reponse impulsionnelle et procede d'inference a chemin de propagation |
JP2002185370A (ja) * | 2000-10-02 | 2002-06-28 | Mitsubishi Electric Inf Technol Center Europ Bv | チャネル推定系列及び伝送チャネルの特性を推定する方法 |
JP4641133B2 (ja) * | 2000-10-02 | 2011-03-02 | ミツビシ・エレクトリック・アールアンドディー・センター・ヨーロッパ・ビーヴィ | 伝送チャネルの特性を推定するための方法、受信機、送信機、および、電気通信システム |
US7245676B2 (en) | 2003-04-03 | 2007-07-17 | Matsushita Electric Industrial Co., Ltd. | Adaptive equalizer |
Also Published As
Publication number | Publication date |
---|---|
DE19614543C1 (de) | 1997-08-28 |
JP4421682B2 (ja) | 2010-02-24 |
DE69734561D1 (de) | 2005-12-15 |
WO1997039536A1 (en) | 1997-10-23 |
DE69734561T2 (de) | 2006-07-27 |
EP0848870A1 (en) | 1998-06-24 |
US6002716A (en) | 1999-12-14 |
EP0848870B1 (en) | 2005-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH11508113A (ja) | ディジタル伝送装置における受信機のための拡張されたチャンネル推定付きイコライザ | |
JP4555403B2 (ja) | ディジタル伝送装置の受信機のための状態削減シーケンス推定法によるイコライザ | |
JP2697405B2 (ja) | 線形変調信号用等化器 | |
EP0594551B1 (en) | Bidirectional demodulation method and apparatus | |
EP1195033B1 (en) | Equalization with dc-offset compensation | |
CA2076084C (en) | Adaptive mlse-va receiver for digital cellular radio | |
CA2083304C (en) | Equalization and decoding for digital communication channel | |
KR970007362B1 (ko) | 수신기에서의 손상된 신호 등화 장치 및 방법 | |
US5903610A (en) | Method and apparatus for channel estimation | |
US5029186A (en) | Method of demodulation in digital communication systems with multipath propagation | |
US6990142B2 (en) | Process and device for estimating the impulse response of an information transmission channel, in particular for a cellular mobile telephone | |
JP2001522197A (ja) | 多重ユーザ信号の複合的等化および検出方法 | |
JP2008532354A (ja) | 向上されたブロック等化を提供する無線通信装置及び関連する方法 | |
JP2008530906A (ja) | 過去、現在及び/又は将来の自己相関マトリクスの予測値に基づいてブロック等化を実行する無線通信装置及び関連する方法 | |
US5313495A (en) | Demodulator for symbols transmitted over a cellular channel | |
EP0707767B1 (en) | Systems with increased information rates using embedded sample modulation and predistortion equalization | |
US6345076B1 (en) | Receiver for a digital transmission system | |
US6084929A (en) | Method and apparatus for channel tracking | |
JPH05152894A (ja) | 適応等化器 | |
Song | A channel estimation using sliding window approach and tuning algorithm for MLSE | |
US7035357B2 (en) | Process and device for extracting digital data contained in a signal conveyed by an information transmission channel, in particular for a cellular mobile telephone | |
JP3244722B2 (ja) | 最尤系列推定器 | |
JPH05152893A (ja) | 適応等化器 | |
JP2738471B2 (ja) | 最尤系列推定器 | |
CN111107025A (zh) | Gfsk接收机中的自适应均衡器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040405 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070814 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20070205 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071114 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20071221 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20071212 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20080128 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20080111 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20080225 |
|
A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20080214 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20081021 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20081128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090310 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090608 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090717 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090710 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090817 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090810 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090928 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090904 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20091110 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20091203 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121211 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131211 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |