DE3481565D1 - Verfahren und system zum dehnen und raffen von daten. - Google Patents

Verfahren und system zum dehnen und raffen von daten.

Info

Publication number
DE3481565D1
DE3481565D1 DE8484109308T DE3481565T DE3481565D1 DE 3481565 D1 DE3481565 D1 DE 3481565D1 DE 8484109308 T DE8484109308 T DE 8484109308T DE 3481565 T DE3481565 T DE 3481565T DE 3481565 D1 DE3481565 D1 DE 3481565D1
Authority
DE
Germany
Prior art keywords
stretching
gathering data
gathering
data
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
DE8484109308T
Other languages
English (en)
Inventor
Tokuhiro Tsukiyama
Yoshie Kondo
Katsuharu Kakuse
Shinpei Saba
Syoji Ozaki
Kunihiro Itoh
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3481565D1 publication Critical patent/DE3481565D1/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
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • H03M7/48—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind alternating with other codes during the code conversion process, e.g. run-length coding being performed only as long as sufficientlylong runs of digits of the same kind are present
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
DE8484109308T 1983-08-08 1984-08-06 Verfahren und system zum dehnen und raffen von daten. Expired - Lifetime DE3481565D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58143841A JPH0828053B2 (ja) 1983-08-08 1983-08-08 データ記録方法

Publications (1)

Publication Number Publication Date
DE3481565D1 true DE3481565D1 (de) 1990-04-12

Family

ID=15348190

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484109308T Expired - Lifetime DE3481565D1 (de) 1983-08-08 1984-08-06 Verfahren und system zum dehnen und raffen von daten.

Country Status (4)

Country Link
US (1) US4586027A (de)
EP (1) EP0166023B1 (de)
JP (1) JPH0828053B2 (de)
DE (1) DE3481565D1 (de)

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WO1988002144A1 (en) * 1986-09-09 1988-03-24 Inventronic Data Systems Ab Arrangement for data compression
JPH0815263B2 (ja) * 1986-12-12 1996-02-14 株式会社日立製作所 データ圧縮復元方法
JPH0815262B2 (ja) * 1986-12-12 1996-02-14 株式会社日立製作所 データ圧縮復元処理装置
US4879558A (en) * 1986-12-12 1989-11-07 Sangamo Weston, Inc. Data compression apparatus and method for data recorder with waveform envelope display
US4906995A (en) * 1986-12-12 1990-03-06 Sangamo Weston, Inc. Data compression apparatus and method for data recorder
US4862167A (en) * 1987-02-24 1989-08-29 Hayes Microcomputer Products, Inc. Adaptive data compression method and apparatus
EP0393087B1 (de) 1987-09-24 1996-12-18 Sand Technology Systems International, Inc. Bitkettenverdichter mit verarbeitungsmöglichkeit für boolesche-operationen
US5036457A (en) * 1987-09-24 1991-07-30 Nucleus International Corporation Bit string compressor with boolean operation processing capability
US4847619A (en) * 1987-10-19 1989-07-11 Hewlett-Packard Company Performance-based reset of data compression dictionary
US4885584A (en) * 1988-04-07 1989-12-05 Zilog, Inc. Serializer system with variable character length capabilities
US4929946A (en) * 1989-02-09 1990-05-29 Storage Technology Corporation Adaptive data compression apparatus including run length encoding for a tape drive system
US5235695A (en) * 1989-06-28 1993-08-10 International Business Machines Corporation Apparatus for efficient utilization of removable data recording media
DE69021143T2 (de) * 1989-06-28 1996-02-29 Ibm Verfahren zur wirksamen Verwendung von auswechselbaren Aufzeichnungsmedien für Daten.
US4988998A (en) * 1989-09-05 1991-01-29 Storage Technology Corporation Data compression system for successively applying at least two data compression methods to an input data stream
US5179711A (en) * 1989-12-26 1993-01-12 International Business Machines Corporation Minimum identical consecutive run length data units compression method by searching consecutive data pair comparison results stored in a string
DE69031031T2 (de) * 1990-05-29 1997-10-30 Hewlett Packard Ltd Bandspeicherung
US5049881A (en) * 1990-06-18 1991-09-17 Intersecting Concepts, Inc. Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion utilizing a hashing technique
GB9020596D0 (en) * 1990-09-21 1990-10-31 Alcatel Business Systems Data transmission method and apparatus
WO1992006440A1 (en) * 1990-10-05 1992-04-16 Microsoft Corporation System and method for information retrieval
JP2680198B2 (ja) * 1991-02-08 1997-11-19 三菱電機株式会社 音声ディジタル１リンク接続方式
CA2077271C (en) * 1991-12-13 1998-07-28 David J. Craft Method and apparatus for compressing data
US5396228A (en) * 1992-01-16 1995-03-07 Mobile Telecommunications Technologies Methods and apparatus for compressing and decompressing paging data
US5371499A (en) * 1992-02-28 1994-12-06 Intersecting Concepts, Inc. Data compression using hashing
US5406278A (en) * 1992-02-28 1995-04-11 Intersecting Concepts, Inc. Method and apparatus for data compression having an improved matching algorithm which utilizes a parallel hashing technique
WO1993020513A1 (en) * 1992-04-07 1993-10-14 Chips And Technologies, Inc. Method and apparatus for performing run length tagging for increased bandwidth in dynamic data repetitive memory systems
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
US5563595A (en) * 1993-12-23 1996-10-08 International Business Machines Corporation Method and apparatus for compressing data
US5502439A (en) * 1994-05-16 1996-03-26 The United States Of America As Represented By The United States Department Of Energy Method for compression of binary data
US5701125A (en) * 1994-06-15 1997-12-23 The United States Of America As Represented By The United States Department Of Energy Method for compression of data using single pass LZSS and run-length encoding
JP3554045B2 (ja) * 1994-10-28 2004-08-11 富士通株式会社 補助記憶装置の記録内容復元装置および記録復元装置
GB2295255A (en) * 1994-11-12 1996-05-22 Ibm Data compression and decompression
US6009202A (en) * 1994-12-28 1999-12-28 Kabushiki Kaisha Toshiba Image information encoding/decoding system
US5721720A (en) * 1994-12-28 1998-02-24 Kabushiki Kaisha Toshiba Optical recording medium recording pixel data as a compressed unit data block
CA2173812C (en) * 1995-04-11 2000-02-08 Shinichi Kikuchi Recording medium, recording apparatus and recording method for recording data into recording medium, and reproducing apparatus and reproduction method for reproducing data from recording medium
US5689255A (en) * 1995-08-22 1997-11-18 Hewlett-Packard Company Method and apparatus for compressing and decompressing image data
US6427147B1 (en) 1995-12-01 2002-07-30 Sand Technology Systems International Deletion of ordered sets of keys in a compact O-complete tree
US5758353A (en) * 1995-12-01 1998-05-26 Sand Technology Systems International, Inc. Storage and retrieval of ordered sets of keys in a compact 0-complete tree
US5729223A (en) * 1996-03-20 1998-03-17 Motorola Inc. Method and apparatus for data compression and restoration
US6023558A (en) * 1996-06-27 2000-02-08 Apple Computer, Inc. Graphics compression for an emulation system
US5734340A (en) * 1996-08-27 1998-03-31 Symantech Corporation Method and apparatus for storing run-intensive information in compact form
US5798718A (en) * 1997-05-12 1998-08-25 Lexmark International, Inc. Sliding window data compression method and apparatus
US6130630A (en) * 1998-10-27 2000-10-10 Hewlett-Packard Company Apparatus and method for compressing Huffman encoded data
US6275588B1 (en) 1998-11-12 2001-08-14 I-Data International A/S Apparatus and method for performing and controlling encryption/decryption for data to be transmitted on local area network
US6553153B1 (en) 1998-12-03 2003-04-22 Chips And Technologies, Llc. Method and apparatus for reducing video data
ES2169575T3 (es) * 1999-04-10 2002-07-01 Basis Gmbh Edv Vertriebs Ges Soporte de datos con un estado fundamental reproducible de datos basicos y procedimiento para su realizacion.
DE19921298A1 (de) * 1999-05-07 2000-11-16 Bosch Gmbh Robert Verfahren zur Komprimierung und Dekomprimierung von Daten und Vorrichtung
US6836564B2 (en) * 2000-04-28 2004-12-28 Denso Corporation Image data compressing method and apparatus which compress image data separately by modifying color
US20020140818A1 (en) * 2001-04-02 2002-10-03 Pelco System and method for generating raster video test patterns
KR100359423B1 (en) * 2002-01-04 2002-11-07 Ncerti Co Ltd Very high speed high capacity backup system and backup method thereof
US6714145B1 (en) 2002-09-26 2004-03-30 Richard Marques Method and apparatus for integer-based encoding and decoding of bits
US7403561B2 (en) * 2003-04-04 2008-07-22 Avid Technology, Inc. Fixed bit rate, intraframe compression and decompression of video
US7433519B2 (en) * 2003-04-04 2008-10-07 Avid Technology, Inc. Bitstream format for compressed image data
US6879270B1 (en) 2003-08-20 2005-04-12 Hewlett-Packard Development Company, L.P. Data compression in multiprocessor computers
US7788299B2 (en) * 2004-11-03 2010-08-31 Spectra Logic Corporation File formatting on a non-tape media operable with a streaming protocol
US7365658B2 (en) * 2006-02-28 2008-04-29 The Board Of Trustees Of The University Of Arkansas Method and apparatus for lossless run-length data encoding
US8063800B2 (en) * 2007-11-02 2011-11-22 Symbol Technologies, Inc. Efficient encoding and decoding of mixed data strings in RFID tags and other media
IL205528A (en) * 2009-05-04 2014-02-27 Storwize Ltd A method and system for compressing logical information objects for storage
US8779950B2 (en) 2012-03-05 2014-07-15 Dcba, Llc Command encoded data compression
US9543980B2 (en) 2014-10-10 2017-01-10 Massachusettes Institute Of Technology Systems and methods for model-free compression and model-based decompression
US9864769B2 (en) * 2014-12-12 2018-01-09 Pure Storage, Inc. Storing data utilizing repeating pattern detection
CN115335787A (zh) * 2020-03-24 2022-11-11 发那科株式会社 控制装置、控制装置的数据传送系统及数据传送方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162398B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, die aus Bits verschiedener Wertigkeit bestehen
CA1071332A (en) * 1974-05-01 1980-02-05 Toshio Kashio Data processing system
DE2921892A1 (de) * 1979-05-30 1980-12-11 Bosch Gmbh Robert Verfahren zum speichern digitaler fernsehsignale
JPS5637810A (en) * 1979-06-01 1981-04-11 Digital Equipment Corp Position setter and format structure for magnetic tape medium
US4360840A (en) * 1980-05-13 1982-11-23 Am International, Inc. Real time data compression/decompression scheme for facsimile transmission system
JPS57136684A (en) * 1981-02-17 1982-08-23 Matsushita Electric Ind Co Ltd Picture regenerative indicator
JPS5810231A (ja) * 1981-07-10 1983-01-20 Teraoka Seiko Co Ltd 電子機器における表示欄の指示方法
JPS5816344A (ja) * 1981-07-21 1983-01-31 Nec Corp デ−タ圧縮記憶装置

Also Published As

Publication number Publication date
EP0166023A2 (de) 1986-01-02
EP0166023A3 (en) 1987-08-12
JPH0828053B2 (ja) 1996-03-21
JPS6035373A (ja) 1985-02-23
US4586027A (en) 1986-04-29
EP0166023B1 (de) 1990-03-07

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Legal Events

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