HK1093651A1 - Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems - Google Patents

Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems

Info

Publication number
HK1093651A1
HK1093651A1 HK06111559A HK06111559A HK1093651A1 HK 1093651 A1 HK1093651 A1 HK 1093651A1 HK 06111559 A HK06111559 A HK 06111559A HK 06111559 A HK06111559 A HK 06111559A HK 1093651 A1 HK1093651 A1 HK 1093651A1
Authority
HK
Hong Kong
Prior art keywords
elevation
digital
elevation data
storage
data
Prior art date
Application number
HK06111559A
Other languages
English (en)
Inventor
Biacs Zoltan
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1093651A1 publication Critical patent/HK1093651A1/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • G01S5/0236Assistance data, e.g. base station almanac
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/005Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20Instruments for performing navigational calculations
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position
    • G01S19/50Determining position whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0257Hybrid positioning
    • G01S5/0268Hybrid positioning by deriving positions from different combinations of signals or of estimated positions in a single positioning system
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • G01S19/06Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding data

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Processing Or Creating Images (AREA)
  • Instructional Devices (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK06111559A 2002-01-25 2005-07-21 Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems HK1093651A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/057,189 US6985903B2 (en) 2002-01-25 2002-01-25 Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems

Publications (1)

Publication Number Publication Date
HK1093651A1 true HK1093651A1 (en) 2007-03-02

Family

ID=27609393

Family Applications (2)

Application Number Title Priority Date Filing Date
HK06111559A HK1093651A1 (en) 2002-01-25 2005-07-21 Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems
HK05106186A HK1074562A1 (en) 2002-01-25 2005-07-21 Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK05106186A HK1074562A1 (en) 2002-01-25 2005-07-21 Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems

Country Status (12)

Country Link
US (2) US6985903B2 (xx)
EP (2) EP1506687B1 (xx)
JP (2) JP4938220B2 (xx)
AT (2) ATE331411T1 (xx)
AU (1) AU2003210653A1 (xx)
BR (1) BR0307100A (xx)
CA (1) CA2474093A1 (xx)
DE (2) DE60318499T2 (xx)
ES (2) ES2297776T3 (xx)
HK (2) HK1093651A1 (xx)
RU (1) RU2326434C2 (xx)
WO (1) WO2003065253A2 (xx)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7038694B1 (en) * 2002-03-11 2006-05-02 Microsoft Corporation Automatic scenery object generation
US7068819B1 (en) * 2002-07-12 2006-06-27 The United States Of America As Represented By The Secretary Of The Navy System for storing geospecific data
US7233798B2 (en) * 2002-09-30 2007-06-19 Motorola, Inc. Method and apparatus for determining location of a remote unit using GPS
WO2005060669A2 (en) * 2003-12-19 2005-07-07 Kennedy Joseph P E-otd augmentation to u-tdoa location system
US8587664B2 (en) * 2004-02-02 2013-11-19 Rochester Institute Of Technology Target identification and location system and a method thereof
US7761455B2 (en) * 2004-03-31 2010-07-20 Hewlett-Packard Development Company, L.P. Loading data from a vertical database table into a horizontal database table
US7680350B2 (en) * 2004-05-07 2010-03-16 TerraMetrics, Inc. Method and system for progressive mesh storage and reconstruction using wavelet-encoded height fields
US20050288858A1 (en) * 2004-06-29 2005-12-29 Amer Osama A Mecca finder
KR20060051812A (ko) * 2004-09-29 2006-05-19 후지 샤신 필름 가부시기가이샤 런 렝스 압축 데이터의 위치 특정 방법 및 장치
US7864175B2 (en) * 2006-03-09 2011-01-04 Ambercore Software Inc Fast gridding of irregular data
US7739032B2 (en) * 2006-03-21 2010-06-15 Broadcom Corporation Method and apparatus for generating and using a regional-terrain model
US7912296B1 (en) 2006-05-02 2011-03-22 Google Inc. Coverage mask generation for large images
US7965902B1 (en) 2006-05-19 2011-06-21 Google Inc. Large-scale image processing using mass parallelization techniques
US8762493B1 (en) 2006-06-22 2014-06-24 Google Inc. Hierarchical spatial data structure and 3D index data versioning for generating packet data
JP4910675B2 (ja) * 2006-12-15 2012-04-04 セイコーエプソン株式会社 測位回路、電子機器、測位方法及びプログラム
US7650240B2 (en) * 2007-06-22 2010-01-19 Weyerhaeuser Nr Company Estimating an attribute value using spatial interpolation and masking zones
US8700322B2 (en) * 2008-02-20 2014-04-15 Qualcomm Incorporated Efficient use of expected user altitude data to aid in determining a position of a mobile station
US8077918B2 (en) * 2008-08-28 2011-12-13 Google, Inc. Architectures and methods for creating and representing time-dependent imagery
US8872847B2 (en) 2008-08-28 2014-10-28 Google Inc. Architectures and methods for creating and representing time-dependent imagery
WO2010063844A1 (fr) * 2008-12-05 2010-06-10 Thales Procede de geo-localisation d'un objet par multitelemetrie
BRPI1008100B1 (pt) 2009-02-05 2021-08-10 Apple Inc Método e sistema para a determinação de localização de equipamento de usuário em um sistema de transmissão sem fio
IL202062A0 (en) 2009-11-11 2010-11-30 Dror Nadam Apparatus, system and method for self orientation
US20110153338A1 (en) * 2009-12-17 2011-06-23 Noel Wayne Anderson System and method for deploying portable landmarks
US8224516B2 (en) 2009-12-17 2012-07-17 Deere & Company System and method for area coverage using sector decomposition
US8635015B2 (en) * 2009-12-17 2014-01-21 Deere & Company Enhanced visual landmark for localization
US8799292B2 (en) * 2010-03-03 2014-08-05 Cellguide Ltd. Method of generating an elevation database
US8593347B2 (en) * 2010-03-25 2013-11-26 Cellguide Ltd. GNSS navigation aided by static data
WO2011154769A1 (en) * 2010-06-07 2011-12-15 Nokia Corporation Handling data with limited applicability area
US8718940B2 (en) * 2010-11-30 2014-05-06 Halliburton Energy Services, Inc. Evaluating surface data
DE102010063336B4 (de) * 2010-12-17 2023-08-24 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Erzeugung von standarisierten Navigationsdaten
BR112013021073B1 (pt) * 2011-02-28 2021-05-04 Leica Geosystems Ag sistema e método integrado para modelagem de terreno.
EP2518443B1 (en) 2011-04-29 2016-06-08 Harman Becker Automotive Systems GmbH Method of generating a database, navigation device and method of determining height information
US9414196B2 (en) 2011-09-23 2016-08-09 Rx Networks Inc. Geo-reference based positioning of a mobile device
CN103033822B (zh) * 2011-09-30 2014-09-24 迈实电子(上海)有限公司 移动信息确定装置、方法以及接收机
EP2574962A3 (en) * 2011-09-30 2015-05-20 Maishi Electronic (Shanghai) Ltd. A moving information determination apparatus, a receiver, and a method thereby
US9297881B2 (en) * 2011-11-14 2016-03-29 Microsoft Technology Licensing, Llc Device positioning via device-sensed data evaluation
US9319065B2 (en) 2012-03-15 2016-04-19 Nokia Technologies Oy Encoding and decoding of data
US9360559B2 (en) 2012-03-21 2016-06-07 Apple Inc. GNSS navigation solution using inequality constraints
US9189573B2 (en) * 2012-06-06 2015-11-17 Google Inc. Methods and systems to synthesize terrain elevations under overpasses
US20140254888A1 (en) * 2013-03-07 2014-09-11 Qualcomm Incorporated Method and apparatus for encoding assistance data in location technologies
USD780777S1 (en) 2014-04-22 2017-03-07 Google Inc. Display screen with graphical user interface or portion thereof
US9934222B2 (en) 2014-04-22 2018-04-03 Google Llc Providing a thumbnail image that follows a main image
USD781317S1 (en) 2014-04-22 2017-03-14 Google Inc. Display screen with graphical user interface or portion thereof
USD781318S1 (en) 2014-04-22 2017-03-14 Google Inc. Display screen with graphical user interface or portion thereof
US9972121B2 (en) 2014-04-22 2018-05-15 Google Llc Selecting time-distributed panoramic images for display
GB2548852B (en) 2016-03-30 2020-10-28 Advanced Risc Mach Ltd Method of operating a graphics processing pipeline by compressing a block of sampling positions having the same data value
RU2644996C2 (ru) * 2016-06-01 2018-02-15 Федеральное государственное бюджетное военное образовательное учреждение высшего образования "Военно-космическая академия имени А.Ф. Можайского" Министерства обороны Российской Федерации Способ оценки точности геометрической модели местности при ее автоматическом построении
WO2018126067A1 (en) 2016-12-30 2018-07-05 DeepMap Inc. Vector data encoding of high definition map data for autonomous vehicles
US10529049B2 (en) * 2017-03-27 2020-01-07 Oracle International Corporation Efficient parallel algorithm for integral image computation for many-core CPUs
RU2017133806A (ru) * 2017-09-28 2019-03-28 Акционерное общество "НЕОЛАНТ" Способ сбора данных и система для осуществления указанного способа
RU2668730C1 (ru) * 2017-11-01 2018-10-02 Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный университет геосистем и технологий" Способ получения, обработки, отображения и интерпретации геопространственных данных для геодезического мониторинга деформационного состояния инженерного объекта
US10482655B2 (en) * 2017-11-20 2019-11-19 Here Global B.V. Method and apparatus for providing a tile-based digital elevation model
WO2019164432A1 (en) * 2018-02-21 2019-08-29 Telefonaktiebolaget Lm Ericsson (Publ) Scaled tdoa 3d positioning
CN111713146B (zh) 2018-02-21 2022-07-22 瑞典爱立信有限公司 缩放的3d位置信息的信令
CN110716997B (zh) * 2019-04-24 2022-02-08 中国科学院地理科学与资源研究所 一种目标地址坡度数据获取方法及装置
CN111275757B (zh) * 2020-01-08 2023-04-07 中国电子科技集团公司第五十四研究所 一种基于dem数据处理的伪卫星场地仿真布设方法
CN111366172B (zh) * 2020-03-18 2022-03-11 中国石油工程建设有限公司华北分公司 数字高程模型的质量检测方法、装置和存储介质
JP2022108002A (ja) * 2021-01-12 2022-07-25 本田技研工業株式会社 データ圧縮方法、データ圧縮プログラム、及び、データ圧縮装置
CN114596415B (zh) * 2022-03-03 2024-08-23 广东汇天航空航天科技有限公司 地形数据处理方法、装置、设备及存储介质

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2666472B1 (fr) 1990-08-31 1992-10-16 Alcatel Nv Systeme de memorisation temporaire d'information comprenant une memoire tampon enregistrant des donnees en blocs de donnees de longueur fixe ou variable.
US5264848A (en) * 1992-01-14 1993-11-23 Honeywell Inc. Data compression/decompression with aliasing error reduction
JPH08285932A (ja) * 1995-04-18 1996-11-01 Matsushita Electric Ind Co Ltd Gps受信装置
US5841396A (en) * 1996-03-08 1998-11-24 Snaptrack, Inc. GPS receiver utilizing a communication link
US6023278A (en) * 1995-10-16 2000-02-08 Margolin; Jed Digital map generator and display system
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
US5839088A (en) * 1996-08-22 1998-11-17 Go2 Software, Inc. Geographic location referencing system and method
US6161148A (en) 1996-09-27 2000-12-12 Kodak Limited Computer method and apparatus for interactive objects controls
US5968109A (en) * 1996-10-25 1999-10-19 Navigation Technologies Corporation System and method for use and storage of geographic data on physical media
US5902347A (en) * 1996-11-19 1999-05-11 American Navigation Systems, Inc. Hand-held GPS-mapping device
US5812087A (en) * 1997-02-03 1998-09-22 Snaptrack, Inc. Method and apparatus for satellite positioning system based time measurement
US6215442B1 (en) 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
US6229546B1 (en) * 1997-09-09 2001-05-08 Geosoftware, Inc. Rapid terrain model generation with 3-D object features and user customization interface
US6061018A (en) * 1998-05-05 2000-05-09 Snaptrack, Inc. Method and system for using altitude information in a satellite positioning system
US20040075738A1 (en) * 1999-05-12 2004-04-22 Sean Burke Spherical surveillance system architecture
US6317690B1 (en) * 1999-06-28 2001-11-13 Min-Chung Gia Path planning, terrain avoidance and situation awareness system for general aviation
JP3649430B2 (ja) * 1999-06-30 2005-05-18 日立ソフトウエアエンジニアリング株式会社 図形データ管理方法およびシステム、記憶媒体
DE10010436A1 (de) * 2000-03-03 2001-09-06 Bosch Gmbh Robert Verfahren zur Übertragung von ortsbezogenen Dateninformationen zwischen einer Zentrale und einem mobilen Endgerät, mobiles Endgerät und Zentrale
US6757445B1 (en) * 2000-10-04 2004-06-29 Pixxures, Inc. Method and apparatus for producing digital orthophotos using sparse stereo configurations and external models
US20020188669A1 (en) * 2001-06-11 2002-12-12 Levine Marc Jay Integrated method for disseminating large spatial data sets in a distributed form via the internet

Also Published As

Publication number Publication date
HK1074562A1 (en) 2005-11-11
BR0307100A (pt) 2007-11-06
DE60306370D1 (de) 2006-08-03
EP1506687A2 (en) 2005-02-16
US7664764B2 (en) 2010-02-16
DE60318499T2 (de) 2008-12-11
RU2004125846A (ru) 2006-01-27
DE60306370T2 (de) 2007-05-31
DE60318499D1 (de) 2008-02-14
EP1662837A3 (en) 2006-06-28
RU2326434C2 (ru) 2008-06-10
US20030142523A1 (en) 2003-07-31
JP2006504067A (ja) 2006-02-02
EP1662837B1 (en) 2008-01-02
WO2003065253A3 (en) 2004-11-18
ES2297776T3 (es) 2008-05-01
JP4938220B2 (ja) 2012-05-23
AU2003210653A1 (en) 2003-09-02
EP1506687B1 (en) 2006-06-21
CA2474093A1 (en) 2003-08-07
EP1662837A2 (en) 2006-05-31
JP2010122236A (ja) 2010-06-03
US6985903B2 (en) 2006-01-10
ATE383051T1 (de) 2008-01-15
ATE331411T1 (de) 2006-07-15
ES2266826T3 (es) 2007-03-01
WO2003065253A2 (en) 2003-08-07
US20060074958A1 (en) 2006-04-06

Similar Documents

Publication Publication Date Title
HK1074562A1 (en) Method and system for storage and fast retrieval of digital terrain model elevations for use in positioning systems
GB2431492A (en) Methods and apparatus for modifying process control data
EP1627508A4 (en) SYSTEM AND METHOD FOR STORING AND EXTRACTING ENCAPSULATED XML DATA AS AN OBJECT IN A DATABASE STORAGE
EP1122655A3 (en) Data compression apparatus, database system, data communication system, data compression method, storage medium and program transmission apparatus
WO2004114160A3 (en) Systems and processes for automated criteria and attribute generation, searching, auditing and reporting of data
AU2003237117A1 (en) System and method for indexing commercials in a video presentation
CN103905834B (zh) 音频数据编码格式转换的方法及装置
WO2006023992A3 (en) Image data stroage device write time mapping
WO2019170176A3 (en) System and method for data processing
WO2004104764A3 (en) Graphics model referencing method and apparatus
CN101498923B (zh) 自动生成电极加工程序的系统及方法
GB0423793D0 (en) A method and system for gathering and processing data for road use charging
CN104951515A (zh) 一种提取并分析Android手机行踪轨迹的方法
WO2005088902A3 (fr) Procede et systeme de distribution securisee de textes numeriques compresses
WO2004088456A3 (en) A computer implemented compact 0-complete tree dynamic storage structure and method of processing stored data
WO2008084488A3 (en) Method and system for in-place updating content stored in a storage device
WO2004070491A3 (en) Method and system for organizing and retrieving energy information
WO2002035548A3 (en) Storing device, storing control method and program
EP1967952A3 (en) Method and apparatus for storage backup
CN107015955B (zh) 文档编辑方法和装置
GB0505444D0 (en) Multimedia file format
WO2002088896A8 (en) Method and system for estimating subject position base on chaos theory
WO2009044876A1 (ja) データを処理するシステムおよび方法
TW200504533A (en) Methods for creating control charts using a computer system
GB201201993D0 (en) Methods and systems for providing file data for a media file

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120124