DE69623124D1 - Daten komprimierungsvorrichtung - Google Patents

Daten komprimierungsvorrichtung

Info

Publication number
DE69623124D1
DE69623124D1 DE69623124T DE69623124T DE69623124D1 DE 69623124 D1 DE69623124 D1 DE 69623124D1 DE 69623124 T DE69623124 T DE 69623124T DE 69623124 T DE69623124 T DE 69623124T DE 69623124 D1 DE69623124 D1 DE 69623124D1
Authority
DE
Germany
Prior art keywords
data compression
compression device
data
compression
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.)
Expired - Lifetime
Application number
DE69623124T
Other languages
English (en)
Inventor
Joseph Davison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Technology Europe Ltd
Original Assignee
Canon Research Centre Europe Ltd
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 Canon Research Centre Europe Ltd filed Critical Canon Research Centre Europe Ltd
Application granted granted Critical
Publication of DE69623124D1 publication Critical patent/DE69623124D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99941—Database schema or data structure
    • Y10S707/99942—Manipulating data structure, e.g. compression, compaction, compilation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Document Processing Apparatus (AREA)
DE69623124T 1995-09-27 1996-09-27 Daten komprimierungsvorrichtung Expired - Lifetime DE69623124D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9519735A GB2305746B (en) 1995-09-27 1995-09-27 Data compression apparatus
PCT/GB1996/002389 WO1997012445A1 (en) 1995-09-27 1996-09-27 Data compression apparatus

Publications (1)

Publication Number Publication Date
DE69623124D1 true DE69623124D1 (de) 2002-09-26

Family

ID=10781377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69623124T Expired - Lifetime DE69623124D1 (de) 1995-09-27 1996-09-27 Daten komprimierungsvorrichtung

Country Status (5)

Country Link
US (1) US6304601B1 (de)
EP (1) EP0852851B1 (de)
DE (1) DE69623124D1 (de)
GB (1) GB2305746B (de)
WO (1) WO1997012445A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3421700B2 (ja) * 1998-01-22 2003-06-30 富士通株式会社 データ圧縮装置及び復元装置並びにその方法
JP4146027B2 (ja) * 1999-04-05 2008-09-03 株式会社岩根研究所 情報変換システム
JP4776050B2 (ja) * 1999-07-13 2011-09-21 ソニー株式会社 配信コンテンツ生成方法、コンテンツ配信方法および装置、並びに、コード変換方法
US6362756B1 (en) * 2001-03-28 2002-03-26 Hewlett-Packard Company System and method for compressing data
US7269548B2 (en) 2002-07-03 2007-09-11 Research In Motion Ltd System and method of creating and using compact linguistic data
EP1631920B1 (de) * 2002-07-03 2011-04-20 2012244 Ontario Inc. System und verfahren zur erzeugung und verwendung von kompakten linguistischen daten
US7433893B2 (en) * 2004-03-08 2008-10-07 Marpex Inc. Method and system for compression indexing and efficient proximity search of text data
US20060033676A1 (en) * 2004-08-10 2006-02-16 Kenneth Faase Display device
US8301591B2 (en) * 2008-11-13 2012-10-30 International Business Machines Corporation Multi-phase synchronization in a content management system
US8149148B1 (en) * 2010-10-08 2012-04-03 Microsoft Corporation Local binary XML string compression
US8484170B2 (en) 2011-09-19 2013-07-09 International Business Machines Corporation Scalable deduplication system with small blocks
GB2539966B (en) * 2015-07-03 2017-08-30 Sisp Tech Ltd Data processing method and apparatus
CN105550345B (zh) * 2015-12-25 2019-03-26 百度在线网络技术（北京）有限公司 文件操作方法和装置
EP3479485B1 (de) 2016-07-04 2022-03-16 SISP Technologies Ltd Datenverarbeitungsverfahren und -vorrichtung

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694813A (en) * 1970-10-30 1972-09-26 Ibm Method of achieving data compaction utilizing variable-length dependent coding techniques
JPS58184646A (ja) * 1982-04-22 1983-10-28 Kokusai Denshin Denwa Co Ltd <Kdd> メツセ−ジ通信方式
WO1985001814A1 (en) * 1983-10-19 1985-04-25 Text Sciences Corporation Method and apparatus for data compression
US4672539A (en) * 1985-04-17 1987-06-09 International Business Machines Corp. File compressor
US4949302A (en) * 1986-11-17 1990-08-14 International Business Machines Corporation Message file formation for computer programs
US4843389A (en) * 1986-12-04 1989-06-27 International Business Machines Corp. Text compression and expansion method and apparatus
US5374928A (en) * 1987-05-25 1994-12-20 Megaword International Pty. Ltd. Method of processing a text in order to store the text in memory
US5111398A (en) * 1988-11-21 1992-05-05 Xerox Corporation Processing natural language text using autonomous punctuational structure
US5224038A (en) * 1989-04-05 1993-06-29 Xerox Corporation Token editor architecture
US4955066A (en) * 1989-10-13 1990-09-04 Microsoft Corporation Compressing and decompressing text files
US5410671A (en) * 1990-05-01 1995-04-25 Cyrix Corporation Data compression/decompression processor
US5023610A (en) * 1990-06-13 1991-06-11 Cordell Manufacturing, Inc. Data compression method using textual substitution
US5151697A (en) * 1990-10-15 1992-09-29 Board Of Regents Of The University Of Washington Data structure management tagging system
US5353024A (en) * 1992-05-01 1994-10-04 Intersecting Concepts, Inc. Method for data compression having an improved encoding algorithm which utilizes a token stacking technique
US5325091A (en) * 1992-08-13 1994-06-28 Xerox Corporation Text-compression technique using frequency-ordered array of word-number mappers
US5561421A (en) * 1994-07-28 1996-10-01 International Business Machines Corporation Access method data compression with system-built generic dictionaries
US5771010A (en) * 1995-03-22 1998-06-23 Ibm Corporation Apparatus for compressing data using a Lempel-Ziv-type algorithm
US5794177A (en) * 1995-07-19 1998-08-11 Inso Corporation Method and apparatus for morphological analysis and generation of natural language text
US5933104A (en) * 1995-11-22 1999-08-03 Microsoft Corporation Method and system for compression and decompression using variable-sized offset and length fields

Also Published As

Publication number Publication date
GB9519735D0 (en) 1995-11-29
GB2305746A (en) 1997-04-16
EP0852851B1 (de) 2002-08-21
GB2305746B (en) 2000-03-29
WO1997012445A1 (en) 1997-04-03
EP0852851A1 (de) 1998-07-15
US6304601B1 (en) 2001-10-16

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Legal Events

Date Code Title Description
8332 No legal effect for de