CN1166019A - 矢量量化器方法 - Google Patents
矢量量化器方法 Download PDFInfo
- Publication number
- CN1166019A CN1166019A CN97103451A CN97103451A CN1166019A CN 1166019 A CN1166019 A CN 1166019A CN 97103451 A CN97103451 A CN 97103451A CN 97103451 A CN97103451 A CN 97103451A CN 1166019 A CN1166019 A CN 1166019A
- Authority
- CN
- China
- Prior art keywords
- vector
- quantizer
- code
- speech coder
- reflection coefficient
- 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
- 239000013598 vector Substances 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000013139 quantization Methods 0.000 description 23
- 239000011159 matrix material Substances 0.000 description 11
- 230000005284 excitation Effects 0.000 description 9
- 230000007774 longterm Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000005311 autocorrelation function Methods 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
- G10L19/135—Vector sum excited linear prediction [VSELP]
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3779393A | 1993-03-26 | 1993-03-26 | |
US037793 | 1993-03-26 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94190277A Division CN1051392C (zh) | 1993-03-26 | 1994-03-07 | 矢量量化器方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1166019A true CN1166019A (zh) | 1997-11-26 |
CN1150516C CN1150516C (zh) | 2004-05-19 |
Family
ID=21896370
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94190277A Expired - Lifetime CN1051392C (zh) | 1993-03-26 | 1994-03-07 | 矢量量化器方法 |
CNB971034516A Expired - Lifetime CN1150516C (zh) | 1993-03-26 | 1997-03-12 | 语音编码方法和语音编码器 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94190277A Expired - Lifetime CN1051392C (zh) | 1993-03-26 | 1994-03-07 | 矢量量化器方法 |
Country Status (12)
Country | Link |
---|---|
US (2) | US5826224A (zh) |
JP (1) | JP3042886B2 (zh) |
CN (2) | CN1051392C (zh) |
AU (2) | AU668817B2 (zh) |
BR (1) | BR9404725A (zh) |
CA (1) | CA2135629C (zh) |
DE (2) | DE4492048C2 (zh) |
FR (1) | FR2706064B1 (zh) |
GB (2) | GB2282943B (zh) |
SE (2) | SE518319C2 (zh) |
SG (1) | SG47025A1 (zh) |
WO (1) | WO1994023426A1 (zh) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6006174A (en) * | 1990-10-03 | 1999-12-21 | Interdigital Technology Coporation | Multiple impulse excitation speech encoder and decoder |
IT1277194B1 (it) * | 1995-06-28 | 1997-11-05 | Alcatel Italia | Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato |
FR2738383B1 (fr) * | 1995-09-05 | 1997-10-03 | Thomson Csf | Procede de quantification vectorielle de vocodeurs bas debit |
JP3680380B2 (ja) * | 1995-10-26 | 2005-08-10 | ソニー株式会社 | 音声符号化方法及び装置 |
TW307960B (en) * | 1996-02-15 | 1997-06-11 | Philips Electronics Nv | Reduced complexity signal transmission system |
JP2914305B2 (ja) * | 1996-07-10 | 1999-06-28 | 日本電気株式会社 | ベクトル量子化装置 |
FI114248B (fi) * | 1997-03-14 | 2004-09-15 | Nokia Corp | Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen |
US6826524B1 (en) | 1998-01-08 | 2004-11-30 | Purdue Research Foundation | Sample-adaptive product quantization |
US6453289B1 (en) | 1998-07-24 | 2002-09-17 | Hughes Electronics Corporation | Method of noise reduction for speech codecs |
IL129752A (en) | 1999-05-04 | 2003-01-12 | Eci Telecom Ltd | Telecommunication method and system for using same |
GB2352949A (en) * | 1999-08-02 | 2001-02-07 | Motorola Ltd | Speech coder for communications unit |
US6910007B2 (en) * | 2000-05-31 | 2005-06-21 | At&T Corp | Stochastic modeling of spectral adjustment for high quality pitch modification |
JP2002032096A (ja) * | 2000-07-18 | 2002-01-31 | Matsushita Electric Ind Co Ltd | 雑音区間/音声区間判定装置 |
US7171355B1 (en) * | 2000-10-25 | 2007-01-30 | Broadcom Corporation | Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
US7392179B2 (en) * | 2000-11-30 | 2008-06-24 | Matsushita Electric Industrial Co., Ltd. | LPC vector quantization apparatus |
JP4857468B2 (ja) * | 2001-01-25 | 2012-01-18 | ソニー株式会社 | データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体 |
US7003454B2 (en) * | 2001-05-16 | 2006-02-21 | Nokia Corporation | Method and system for line spectral frequency vector quantization in speech codec |
US6584437B2 (en) | 2001-06-11 | 2003-06-24 | Nokia Mobile Phones Ltd. | Method and apparatus for coding successive pitch periods in speech signal |
US7110942B2 (en) * | 2001-08-14 | 2006-09-19 | Broadcom Corporation | Efficient excitation quantization in a noise feedback coding system using correlation techniques |
US7206740B2 (en) * | 2002-01-04 | 2007-04-17 | Broadcom Corporation | Efficient excitation quantization in noise feedback coding with general noise shaping |
US7752052B2 (en) * | 2002-04-26 | 2010-07-06 | Panasonic Corporation | Scalable coder and decoder performing amplitude flattening for error spectrum estimation |
CA2388358A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for multi-rate lattice vector quantization |
US7337110B2 (en) * | 2002-08-26 | 2008-02-26 | Motorola, Inc. | Structured VSELP codebook for low complexity search |
US7047188B2 (en) * | 2002-11-08 | 2006-05-16 | Motorola, Inc. | Method and apparatus for improvement coding of the subframe gain in a speech coding system |
US7054807B2 (en) * | 2002-11-08 | 2006-05-30 | Motorola, Inc. | Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters |
US7272557B2 (en) * | 2003-05-01 | 2007-09-18 | Microsoft Corporation | Method and apparatus for quantizing model parameters |
ES2305852T3 (es) * | 2003-10-10 | 2008-11-01 | Agency For Science, Technology And Research | Procedimiento de codificacion de una señal digital en un flujo binario escalable, procedimiento para la descodificacion de un flujo binario escalable. |
US8473286B2 (en) * | 2004-02-26 | 2013-06-25 | Broadcom Corporation | Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure |
US7697766B2 (en) * | 2005-03-17 | 2010-04-13 | Delphi Technologies, Inc. | System and method to determine awareness |
JP4871894B2 (ja) | 2007-03-02 | 2012-02-08 | パナソニック株式会社 | 符号化装置、復号装置、符号化方法および復号方法 |
CN101030377B (zh) * | 2007-04-13 | 2010-12-15 | 清华大学 | 提高声码器基音周期参数量化精度的方法 |
CA2729751C (en) | 2008-07-10 | 2017-10-24 | Voiceage Corporation | Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
US8363957B2 (en) * | 2009-08-06 | 2013-01-29 | Delphi Technologies, Inc. | Image classification system and method thereof |
CN101968778A (zh) * | 2010-08-13 | 2011-02-09 | 广州永日电梯有限公司 | 点阵串行显示方法 |
FI3547261T3 (fi) * | 2012-03-29 | 2023-09-26 | Ericsson Telefon Ab L M | Vektorikvantisoija |
KR20240010550A (ko) * | 2014-03-28 | 2024-01-23 | 삼성전자주식회사 | 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 |
US10504532B2 (en) | 2014-05-07 | 2019-12-10 | Samsung Electronics Co., Ltd. | Method and device for quantizing linear predictive coefficient, and method and device for dequantizing same |
WO2016030568A1 (en) * | 2014-08-28 | 2016-03-03 | Nokia Technologies Oy | Audio parameter quantization |
CN109887519B (zh) * | 2019-03-14 | 2021-05-11 | 北京芯盾集团有限公司 | 提高语音信道数据传输准确性的方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4544919A (en) * | 1982-01-03 | 1985-10-01 | Motorola, Inc. | Method and means of determining coefficients for linear predictive coding |
JPS59116698A (ja) * | 1982-12-23 | 1984-07-05 | シャープ株式会社 | 音声デ−タ圧縮方法 |
US4896361A (en) * | 1988-01-07 | 1990-01-23 | Motorola, Inc. | Digital speech coder having improved vector excitation source |
US4817157A (en) * | 1988-01-07 | 1989-03-28 | Motorola, Inc. | Digital speech coder having improved vector excitation source |
EP0331857B1 (en) * | 1988-03-08 | 1992-05-20 | International Business Machines Corporation | Improved low bit rate voice coding method and system |
EP0331858B1 (en) * | 1988-03-08 | 1993-08-25 | International Business Machines Corporation | Multi-rate voice encoding method and device |
JPH02250100A (ja) * | 1989-03-24 | 1990-10-05 | Mitsubishi Electric Corp | 音声符合化装置 |
US4974099A (en) * | 1989-06-21 | 1990-11-27 | International Mobile Machines Corporation | Communication signal compression system and method |
US5012518A (en) * | 1989-07-26 | 1991-04-30 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
US4975956A (en) * | 1989-07-26 | 1990-12-04 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
US4963030A (en) * | 1989-11-29 | 1990-10-16 | California Institute Of Technology | Distributed-block vector quantization coder |
JP2626223B2 (ja) * | 1990-09-26 | 1997-07-02 | 日本電気株式会社 | 音声符号化装置 |
JP3129778B2 (ja) * | 1991-08-30 | 2001-01-31 | 富士通株式会社 | ベクトル量子化器 |
US5307460A (en) * | 1992-02-14 | 1994-04-26 | Hughes Aircraft Company | Method and apparatus for determining the excitation signal in VSELP coders |
US5351338A (en) * | 1992-07-06 | 1994-09-27 | Telefonaktiebolaget L M Ericsson | Time variable spectral analysis based on interpolation for speech coding |
-
1994
- 1994-03-07 SG SG1996002558A patent/SG47025A1/en unknown
- 1994-03-07 DE DE4492048A patent/DE4492048C2/de not_active Expired - Lifetime
- 1994-03-07 GB GB9422823A patent/GB2282943B/en not_active Expired - Lifetime
- 1994-03-07 AU AU63970/94A patent/AU668817B2/en not_active Expired
- 1994-03-07 WO PCT/US1994/002370 patent/WO1994023426A1/en active Application Filing
- 1994-03-07 CN CN94190277A patent/CN1051392C/zh not_active Expired - Lifetime
- 1994-03-07 CA CA002135629A patent/CA2135629C/en not_active Expired - Lifetime
- 1994-03-07 JP JP6522073A patent/JP3042886B2/ja not_active Expired - Lifetime
- 1994-03-07 DE DE4492048T patent/DE4492048T1/de active Pending
- 1994-03-07 BR BR9404725A patent/BR9404725A/pt not_active IP Right Cessation
- 1994-03-23 FR FR9403414A patent/FR2706064B1/fr not_active Expired - Lifetime
- 1994-11-25 SE SE9404086A patent/SE518319C2/sv not_active IP Right Cessation
-
1996
- 1996-02-29 US US08/609,027 patent/US5826224A/en not_active Expired - Lifetime
- 1996-03-08 US US08/611,608 patent/US5675702A/en not_active Expired - Lifetime
- 1996-08-01 AU AU60843/96A patent/AU678953B2/en not_active Expired
-
1997
- 1997-03-12 CN CNB971034516A patent/CN1150516C/zh not_active Expired - Lifetime
-
1998
- 1998-02-12 GB GBGB9802900.2A patent/GB9802900D0/en active Pending
-
2002
- 2002-04-12 SE SE0201109A patent/SE524202C2/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BR9404725A (pt) | 1999-06-15 |
CN1109697A (zh) | 1995-10-04 |
SE524202C2 (sv) | 2004-07-06 |
AU678953B2 (en) | 1997-06-12 |
DE4492048T1 (de) | 1995-04-27 |
SE0201109D0 (sv) | 2002-04-12 |
FR2706064B1 (fr) | 1997-06-27 |
CA2135629A1 (en) | 1994-10-13 |
WO1994023426A1 (en) | 1994-10-13 |
AU6397094A (en) | 1994-10-24 |
SE0201109L (sv) | 2002-04-12 |
US5826224A (en) | 1998-10-20 |
GB9802900D0 (en) | 1998-04-08 |
JP3042886B2 (ja) | 2000-05-22 |
GB2282943B (en) | 1998-06-03 |
GB2282943A (en) | 1995-04-19 |
GB9422823D0 (en) | 1995-01-04 |
SE9404086D0 (sv) | 1994-11-25 |
FR2706064A1 (fr) | 1994-12-09 |
CA2135629C (en) | 2000-02-08 |
SG47025A1 (en) | 1998-03-20 |
AU6084396A (en) | 1996-10-10 |
SE9404086L (sv) | 1995-01-25 |
CN1051392C (zh) | 2000-04-12 |
JPH07507885A (ja) | 1995-08-31 |
SE518319C2 (sv) | 2002-09-24 |
CN1150516C (zh) | 2004-05-19 |
DE4492048C2 (de) | 1997-01-02 |
AU668817B2 (en) | 1996-05-16 |
US5675702A (en) | 1997-10-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1051392C (zh) | 矢量量化器方法 | |
CN101622662B (zh) | 编码装置和编码方法 | |
KR100283547B1 (ko) | 오디오 신호 부호화 방법 및 복호화 방법, 오디오 신호 부호화장치 및 복호화 장치 | |
US5684920A (en) | Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein | |
CN1112671C (zh) | 综合分析语音编码器中噪声隐蔽电平适应性修改方法 | |
EP0942411B1 (en) | Audio signal coding and decoding apparatus | |
CN101131820B (zh) | 编码设备、解码设备、编码方法和解码方法 | |
JPH08263099A (ja) | 符号化装置 | |
EP0865029B1 (en) | Efficient decomposition in noise and periodic signal waveforms in waveform interpolation | |
US5651026A (en) | Robust vector quantization of line spectral frequencies | |
US5666465A (en) | Speech parameter encoder | |
US20050114123A1 (en) | Speech processing system and method | |
CN1192357C (zh) | 用于语音编码的自适应规则 | |
CN1104010A (zh) | 产生用于话音编码器的频谱噪音加权滤波器的方法 | |
EP2546994A1 (en) | Encoding method, decoding method, device, program, and recording medium | |
EP0810584A2 (en) | Signal coder | |
CN101572092A (zh) | 编解码端的固定码本激励的搜索方法及装置 | |
US7337110B2 (en) | Structured VSELP codebook for low complexity search | |
US6208962B1 (en) | Signal coding system | |
EP0866443B1 (en) | Speech signal coder | |
US5822722A (en) | Wide-band signal encoder | |
US5943644A (en) | Speech compression coding with discrete cosine transformation of stochastic elements | |
EP0658873A1 (en) | Robust vector quantization of line spectral frequencies | |
KR960015861B1 (ko) | 선 스펙트럼 주파수 벡터의 양자화 방법 및 양자화기 | |
KR100463577B1 (ko) | 음성 부호화기용 선스펙트럼주파수 벡터 양자화 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RESEARCH IN MOTION LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110212 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: ILLINOIS, USA TO: ONTARIO, CANADA |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110212 Address after: Ontario, Canada Patentee after: Research In Motion Ltd. Address before: Illinois Instrunment Patentee before: Motorola Inc. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20140307 Granted publication date: 20040519 |