IT947684B - Sistema di elaborazione di dati in forma compressa - Google Patents

Sistema di elaborazione di dati in forma compressa

Info

Publication number
IT947684B
IT947684B IT20723/72A IT2072372A IT947684B IT 947684 B IT947684 B IT 947684B IT 20723/72 A IT20723/72 A IT 20723/72A IT 2072372 A IT2072372 A IT 2072372A IT 947684 B IT947684 B IT 947684B
Authority
IT
Italy
Prior art keywords
data processing
processing system
compressed form
compressed
data
Prior art date
Application number
IT20723/72A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT947684B publication Critical patent/IT947684B/it

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
    • H03M7/425—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 for the decoding process only
    • 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
    • H03M7/4025—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code constant length to or from Morse code conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT20723/72A 1971-03-03 1972-02-18 Sistema di elaborazione di dati in forma compressa IT947684B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12057271A 1971-03-03 1971-03-03

Publications (1)

Publication Number Publication Date
IT947684B true IT947684B (it) 1973-05-30

Family

ID=22391176

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20723/72A IT947684B (it) 1971-03-03 1972-02-18 Sistema di elaborazione di dati in forma compressa

Country Status (7)

Country Link
US (1) US3717851A (it)
JP (1) JPS5136139B1 (it)
CA (1) CA1030658A (it)
DE (1) DE2210044C2 (it)
FR (1) FR2128360B1 (it)
GB (1) GB1338731A (it)
IT (1) IT947684B (it)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805252A (en) * 1972-07-21 1974-04-16 Ultronic Systems Corp Full message erase apparatus for a data processing printout system
US3835467A (en) * 1972-11-10 1974-09-10 Ibm Minimal redundancy decoding method and means
US4021782A (en) * 1974-01-07 1977-05-03 Hoerning John S Data compaction system and apparatus
US3918047A (en) * 1974-03-28 1975-11-04 Bell Telephone Labor Inc Decoding circuit for variable length codes
US4031515A (en) * 1974-05-01 1977-06-21 Casio Computer Co., Ltd. Apparatus for transmitting changeable length records having variable length words with interspersed record and word positioning codes
US4319225A (en) * 1974-05-17 1982-03-09 The United States Of America As Represented By The Secretary Of The Army Methods and apparatus for compacting digital data
GB1492260A (en) * 1974-10-29 1977-11-16 Int Computers Ltd Data processing systems
US4075622A (en) * 1975-01-31 1978-02-21 The United States Of America As Represented By The Secretary Of The Navy Variable-to-block-with-prefix source coding technique
US4056809A (en) * 1975-04-30 1977-11-01 Data Flo Corporation Fast table lookup apparatus for reading memory
US4054951A (en) * 1976-06-30 1977-10-18 International Business Machines Corporation Data expansion apparatus
US4161757A (en) * 1977-06-01 1979-07-17 Litton Systems, Inc. Facsimile system
US4188669A (en) * 1978-01-13 1980-02-12 Ncr Corporation Decoder for variable-length codes
US4232375A (en) * 1978-06-12 1980-11-04 Ncr Corporation Data compression system and apparatus
US4250548A (en) * 1979-01-02 1981-02-10 Honeywell Information Systems Inc. Computer apparatus
US4295124A (en) * 1979-08-13 1981-10-13 National Semiconductor Corporation Communication method and system
GB2060226A (en) * 1979-10-02 1981-04-29 Ibm Data compression-decompression
US4506325A (en) * 1980-03-24 1985-03-19 Sperry Corporation Reflexive utilization of descriptors to reconstitute computer instructions which are Huffman-like encoded
FR2480481A1 (fr) 1980-04-09 1981-10-16 Cii Honeywell Bull Dispositif pour la memorisation d'etats logiques de processus
WO1981003560A1 (en) * 1980-06-02 1981-12-10 Mostek Corp Data compression,encryption,and in-line transmission system
US4403284A (en) * 1980-11-24 1983-09-06 Texas Instruments Incorporated Microprocessor which detects leading 1 bit of instruction to obtain microcode entry point address
US4654781A (en) * 1981-10-02 1987-03-31 Raytheon Company Byte addressable memory for variable length instructions and data
US4562423A (en) * 1981-10-15 1985-12-31 Codex Corporation Data compression
US4560976A (en) * 1981-10-15 1985-12-24 Codex Corporation Data compression
US4503514A (en) * 1981-12-29 1985-03-05 International Business Machines Corporation Compact high speed hashed array for dictionary storage and lookup
US4500955A (en) * 1981-12-31 1985-02-19 International Business Machines Corporation Full word coding for information processing
JPS59148467A (ja) * 1983-02-14 1984-08-25 Canon Inc デ−タ圧縮装置
CA1228925A (en) * 1983-02-25 1987-11-03 Yoshikazu Yokomizo Data decoding apparatus
US4672679A (en) * 1983-08-16 1987-06-09 Wang Laboratories, Inc. Context redundancy text compression
JPS61500345A (ja) * 1983-10-19 1986-02-27 テキスト　サイエンセズ　コ−ポレ−シヨン デ−タ圧縮方法および装置
US4837634A (en) * 1984-06-05 1989-06-06 Canon Kabushik Kaisha Apparatus for decoding image codes obtained by compression process
US4796003A (en) * 1984-06-28 1989-01-03 American Telephone And Telegraph Company Data compaction
EP0204763A4 (en) * 1984-11-16 1989-03-09 Konstantine Beridze DATA COMPRESSION COMPUTER SYSTEM AND METHOD.
US4626829A (en) * 1985-08-19 1986-12-02 Intelligent Storage Inc. Data compression using run length encoding and statistical encoding
US4682150A (en) * 1985-12-09 1987-07-21 Ncr Corporation Data compression method and apparatus
US4899149A (en) * 1986-02-28 1990-02-06 Gary Kahan Method of and apparatus for decoding Huffman or variable-length coees
US4791680A (en) * 1986-03-25 1988-12-13 Matsushita Electric Industrial Co. Image data converter
US4730348A (en) * 1986-09-19 1988-03-08 Adaptive Computer Technologies Adaptive data compression system
US4949302A (en) * 1986-11-17 1990-08-14 International Business Machines Corporation Message file formation for computer programs
US5036457A (en) * 1987-09-24 1991-07-30 Nucleus International Corporation Bit string compressor with boolean operation processing capability
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
DE3943880B4 (de) * 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
US5124791A (en) * 1989-05-31 1992-06-23 Utah State University Foundation Frame-to-frame compression of vector quantized signals and other post-processing
US5034741A (en) * 1990-03-22 1991-07-23 United Technologies Corporation Variable length bit patterns for data representation
US5173695A (en) * 1990-06-29 1992-12-22 Bell Communications Research, Inc. High-speed flexible variable-length-code decoder
US5227788A (en) * 1992-03-02 1993-07-13 At&T Bell Laboratories Method and apparatus for two-component signal compression
US5245338A (en) * 1992-06-04 1993-09-14 Bell Communications Research, Inc. High-speed variable-length decoder
US5467088A (en) * 1992-10-13 1995-11-14 Nec Corporation Huffman code decoding circuit
US5465374A (en) * 1993-01-12 1995-11-07 International Business Machines Corporation Processor for processing data string by byte-by-byte
US5475389A (en) * 1993-02-22 1995-12-12 Hyundai Electronics Industries Co., Ltd. Adaptive variable-length coding apparatus
EP0629050B1 (en) * 1993-06-10 2001-10-17 Koninklijke Philips Electronics N.V. High-throughput variable length decoder and apparatus comprising such decoder
JP3025827B2 (ja) * 1993-09-14 2000-03-27 松下電器産業株式会社 可変長コード化装置
US5479527A (en) * 1993-12-08 1995-12-26 Industrial Technology Research Inst. Variable length coding system
US5537629A (en) * 1994-03-01 1996-07-16 Intel Corporation Decoder for single cycle decoding of single prefixes in variable length instructions
US5623262A (en) * 1994-08-17 1997-04-22 Apple Computer, Inc. Multi-word variable length encoding and decoding
US5617517A (en) * 1994-09-20 1997-04-01 Seiko Epson Corporation Two-dimensional method and system for compressing bi-level images
US5710719A (en) * 1995-10-19 1998-01-20 America Online, Inc. Apparatus and method for 2-dimensional data compression
US8229844B2 (en) * 1996-06-05 2012-07-24 Fraud Control Systems.Com Corporation Method of billing a purchase made over a computer network
US7555458B1 (en) * 1996-06-05 2009-06-30 Fraud Control System.Com Corporation Method of billing a purchase made over a computer network
US20030195848A1 (en) * 1996-06-05 2003-10-16 David Felger Method of billing a purchase made over a computer network
US5745504A (en) * 1996-06-25 1998-04-28 Telefonaktiebolaget Lm Ericsson Bit error resilient variable length code
US5761536A (en) * 1996-08-21 1998-06-02 International Business Machines Corporation System and method for reducing memory fragmentation by assigning remainders to share memory blocks on a best fit basis
US6385341B1 (en) * 1997-04-17 2002-05-07 Microsoft Corporation Technique for decoding variable length data codes
US6075470A (en) * 1998-02-26 2000-06-13 Research In Motion Limited Block-wise adaptive statistical data compressor
US6121905A (en) * 1998-05-11 2000-09-19 Oak Technology, Inc. Method and apparatus for decoding JPEG symbols
US6507678B2 (en) * 1998-06-19 2003-01-14 Fujitsu Limited Apparatus and method for retrieving character string based on classification of character
DE19854179A1 (de) * 1998-11-24 2000-05-25 Siemens Ag Verfahren und Anordnung zur Kompression bzw. Expansion von Zeichenketten durch eine DV-Einrichtung
JP2001024515A (ja) * 1999-07-07 2001-01-26 Sony Corp 信号処理方法及び装置
US6400293B1 (en) * 1999-12-20 2002-06-04 Ric B. Richardson Data compression system and method
GB2367459A (en) * 2000-09-28 2002-04-03 Roke Manor Research Method of compressing data packets
US6891976B2 (en) * 2002-03-12 2005-05-10 Intel Corporation Method to decode variable length codes with regular bit pattern prefixes
US7191318B2 (en) * 2002-12-12 2007-03-13 Alacritech, Inc. Native copy instruction for file-access processor with copy-rule-based validation
US7093099B2 (en) * 2002-12-12 2006-08-15 Alacritech, Inc. Native lookup instruction for file-access processor searching a three-level lookup cache for variable-length keys
US20050240380A1 (en) * 2004-03-31 2005-10-27 Jones Kenneth D Reducing context memory requirements in a multi-tasking system
US7382293B1 (en) * 2005-02-10 2008-06-03 Lattice Semiconductor Corporation Data decompression
US7589648B1 (en) 2005-02-10 2009-09-15 Lattice Semiconductor Corporation Data decompression
US7702883B2 (en) * 2005-05-05 2010-04-20 Intel Corporation Variable-width memory
US7511641B1 (en) * 2006-09-19 2009-03-31 Lattice Semiconductor Corporation Efficient bitstream compression
US7511640B2 (en) * 2007-01-31 2009-03-31 Telefonaktiebolaget Lm Ericsson (Publ) Digital compression of binary data blocks
US7902865B1 (en) 2007-11-15 2011-03-08 Lattice Semiconductor Corporation Compression and decompression of configuration data using repeated data frames
US8902873B2 (en) 2009-10-08 2014-12-02 Qualcomm Incorporated Efficient signaling for closed-loop transmit diversity
US8484170B2 (en) 2011-09-19 2013-07-09 International Business Machines Corporation Scalable deduplication system with small blocks
JP6745869B2 (ja) 2016-02-29 2020-08-26 富士フイルム株式会社 組成物、組成物の製造方法、硬化膜、カラーフィルタ、遮光膜、固体撮像素子および画像表示装置
WO2017169584A1 (ja) 2016-03-31 2017-10-05 富士フイルム株式会社 組成物、硬化膜、カラーフィルタ、遮光膜、固体撮像素子および画像表示装置
JPWO2017208771A1 (ja) 2016-05-31 2019-03-28 富士フイルム株式会社 組成物、硬化膜、カラーフィルタ、遮光膜、固体撮像装置及び画像表示装置
CN108052285B (zh) * 2017-12-12 2018-12-11 清华大学 一种自适应编码长度的时序数据存储的方法和装置
CN109299112B (zh) * 2018-11-15 2020-01-17 北京百度网讯科技有限公司 用于处理数据的方法和装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051940A (en) * 1958-09-04 1962-08-28 Bell Telephone Labor Inc Variable length code group circuits
US3257646A (en) * 1963-01-24 1966-06-21 Ibm Variable word length associative memory
US3310786A (en) * 1964-06-30 1967-03-21 Ibm Data compression/expansion and compressed data processing
US3490690A (en) * 1964-10-26 1970-01-20 Ibm Data reduction system
USRE26429E (en) * 1964-12-08 1968-08-06 Information retrieval system and method
US3394350A (en) * 1965-01-14 1968-07-23 Burroughs Corp Digital processor implementation of transfer and translate operation
US3394352A (en) * 1965-07-22 1968-07-23 Electronic Image Systems Corp Method of and apparatus for code communication
US3448436A (en) * 1966-11-25 1969-06-03 Bell Telephone Labor Inc Associative match circuit for retrieving variable-length information listings
US3566361A (en) * 1968-07-09 1971-02-23 Sanders Associates Inc Data management computer driven display system
US3533085A (en) * 1968-07-11 1970-10-06 Ibm Associative memory with high,low and equal search
US3564512A (en) * 1968-10-18 1971-02-16 Hewlett Packard Co System for compacting and expanding data
US3594560A (en) * 1969-01-03 1971-07-20 Bell Telephone Labor Inc Digital expandor circuit
US3675212A (en) * 1970-08-10 1972-07-04 Ibm Data compaction using variable-length coding
US3675211A (en) * 1970-09-08 1972-07-04 Ibm Data compaction using modified variable-length coding

Also Published As

Publication number Publication date
CA1030658A (en) 1978-05-02
FR2128360B1 (it) 1977-04-01
FR2128360A1 (it) 1972-10-20
US3717851A (en) 1973-02-20
GB1338731A (en) 1973-11-28
JPS5136139B1 (it) 1976-10-06
DE2210044A1 (de) 1972-09-07
DE2210044C2 (de) 1981-11-12

Similar Documents

Publication Publication Date Title
IT947684B (it) Sistema di elaborazione di dati in forma compressa
IT964998B (it) Sistema di trasmissione di dati in forma numerica
IT956847B (it) Sistema di memoria perfezionato
IT963417B (it) Sistema di memoria perfezionato
ZA713254B (en) Improvements in data processing devices
IL36321A (en) Data processing system
IT940419B (it) Sistema di sicurezza
IT991576B (it) Sistema per la trasmissione di dati in forma di impulsi
IT961939B (it) Perfezionamento nei sistemi di palettizzazione
NL156839B (nl) Informatiebehandelend stelsel.
CH491440A (de) Datenverarbeitungsanlage
IT974337B (it) Sistema di immagazzinamento di og getti automatizzato
IT970965B (it) Sistema di memoria perfezionato
IT999054B (it) Sistema di elaborazione di dati
CH506658A (de) Transportanlage
IT950719B (it) Sistema di memoria perfezionato
IT952061B (it) Imbianto di elaborazione video
AT321196B (de) Transportsystem
IT951497B (it) Sistema di memoria perfezionato
IT998285B (it) Sistema di elaborazione di dati
CH551046A (de) Datenverarbeitungsanlage.
IT945404B (it) Complesso meccanico per dividere oggetti in gruppi
IT939960B (it) Sistema di trasmissione di blocchi di dati in forma numerica
IT973721B (it) Perfezionamenti nei sistemi di filodiffusione o relativi as esso
IT962925B (it) Sistema trasportatore