ZA755134B - Improvements in or relating to data processing systems - Google Patents

Improvements in or relating to data processing systems

Info

Publication number
ZA755134B
ZA755134B ZA00755134A ZA755134A ZA755134B ZA 755134 B ZA755134 B ZA 755134B ZA 00755134 A ZA00755134 A ZA 00755134A ZA 755134 A ZA755134 A ZA 755134A ZA 755134 B ZA755134 B ZA 755134B
Authority
ZA
South Africa
Prior art keywords
relating
data processing
processing systems
systems
data
Prior art date
Application number
ZA00755134A
Other languages
English (en)
Inventor
E Babb
Original Assignee
Int Computers 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 Int Computers Ltd filed Critical Int Computers Ltd
Publication of ZA755134B publication Critical patent/ZA755134B/xx

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
    • H03M7/3066—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction by means of a mask or a bit-map
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/903—Querying
    • G06F16/90335—Query processing
    • G06F16/90344—Query processing by using string matching techniques
    • 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
    • Y10S707/99931—Database or file accessing
ZA00755134A 1974-10-29 1975-08-08 Improvements in or relating to data processing systems ZA755134B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46651/74A GB1492260A (en) 1974-10-29 1974-10-29 Data processing systems

Publications (1)

Publication Number Publication Date
ZA755134B true ZA755134B (en) 1976-07-28

Family

ID=10442072

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00755134A ZA755134B (en) 1974-10-29 1975-08-08 Improvements in or relating to data processing systems

Country Status (6)

Country Link
US (1) US4064489A (de)
DE (1) DE2547035C3 (de)
FR (1) FR2289961A1 (de)
GB (1) GB1492260A (de)
HU (1) HU175241B (de)
ZA (1) ZA755134B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362945A (en) * 1976-11-17 1978-06-05 Toshiba Corp Disc address system
US4153943A (en) * 1977-08-12 1979-05-08 Honeywell Inc. High speed I/O for content addressable type memories
US4188669A (en) * 1978-01-13 1980-02-12 Ncr Corporation Decoder for variable-length codes
US4228501A (en) * 1978-06-21 1980-10-14 Data General Corporation Data transfer technique for use with peripheral storage devices
US4285049A (en) * 1978-10-11 1981-08-18 Operating Systems, Inc. Apparatus and method for selecting finite success states by indexing
US4296475A (en) * 1978-12-19 1981-10-20 U.S. Philips Corporation Word-organized, content-addressable memory
US4748589A (en) * 1979-09-06 1988-05-31 Sharp Kabushiki Kaisha Electronic translator
GB2060226A (en) * 1979-10-02 1981-04-29 Ibm Data compression-decompression
US4418275A (en) * 1979-12-07 1983-11-29 Ncr Corporation Data hashing method and apparatus
US4464719A (en) * 1979-12-28 1984-08-07 Chevron Research Company Off-line method of depicting piping items of pipe specification files of a computer-aided graphics system, without duplications occurring
US4449233A (en) 1980-02-04 1984-05-15 Texas Instruments Incorporated Speech synthesis system with parameter look up table
WO1981003560A1 (en) * 1980-06-02 1981-12-10 Mostek Corp Data compression,encryption,and in-line transmission system
JPS58501695A (ja) * 1981-10-05 1983-10-06 デイジタル　イクイプメント　コ−ポレ−シヨン ドライブとコントロ−ラの間で直列通信を使用する二次記憶装置
US4545032A (en) * 1982-03-08 1985-10-01 Iodata, Inc. Method and apparatus for character code compression and expansion
US4937779A (en) * 1983-01-20 1990-06-26 Canon Kabushiki Kaisha Information retrieving apparatus capable of rearranging information stored in memory
US4825403A (en) * 1983-05-16 1989-04-25 Data General Corporation Apparatus guaranteeing that a controller in a disk drive system receives at least some data from an invalid track sector
SE8302786L (sv) * 1983-05-18 1984-11-19 Satt Electronics Ab Radar
US5202979A (en) * 1985-05-08 1993-04-13 Thinking Machines Corporation Storage system using multiple independently mechanically-driven storage units
US4803651A (en) * 1986-02-10 1989-02-07 Ibm Corporation Method for encoding and decoding acyclic, linked-list data structures for efficient storage, retrieval and searching
US5532694A (en) * 1989-01-13 1996-07-02 Stac Electronics, Inc. Data compression apparatus and method using matching string searching and Huffman encoding
US5146221A (en) * 1989-01-13 1992-09-08 Stac, Inc. Data compression apparatus and method
US5313604A (en) * 1990-11-13 1994-05-17 Hewlett-Packard Company Method for locating compressed data in a computed memory back up device including steps of refining estimater location
US5245337A (en) * 1991-05-29 1993-09-14 Triada, Ltd. Data compression with pipeline processors having separate memories
US5592667A (en) * 1991-05-29 1997-01-07 Triada, Ltd. Method of storing compressed data for accelerated interrogation
US5572637A (en) * 1994-06-30 1996-11-05 International Business Machines Corporation Process for merging CAD vector files and automatically removing duplicate and obsolete patterns
GB2310055A (en) * 1996-02-08 1997-08-13 Ibm Compression of structured data
GB2387089B (en) * 2002-03-28 2004-12-22 Matsushita Comm Ind Uk Ltd Improved carryout word calculation for cyclic shift registers
US20080082455A1 (en) * 2006-09-29 2008-04-03 Yigang Cai System and method for communicating charging data records
US11070860B2 (en) 2013-02-14 2021-07-20 Comcast Cable Communications, Llc Content delivery
US10440499B2 (en) * 2014-06-16 2019-10-08 Comcast Cable Communications, Llc User location and identity awareness
US10045090B2 (en) 2014-08-11 2018-08-07 Comcast Cable Communications, Llc Merging permissions and content access
CN113094292B (zh) 2020-01-09 2022-12-02 上海宝存信息科技有限公司 数据存储装置以及非挥发式存储器控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3651483A (en) * 1969-01-03 1972-03-21 Ibm Method and means for searching a compressed index
US3541529A (en) * 1969-09-22 1970-11-17 Ibm Replacement system
US3717851A (en) * 1971-03-03 1973-02-20 Ibm Processing of compacted data
US3848235A (en) * 1973-10-24 1974-11-12 Ibm Scan and read control apparatus for a disk storage drive in a computer system

Also Published As

Publication number Publication date
AU8380275A (en) 1977-02-10
FR2289961B1 (de) 1981-05-22
US4064489A (en) 1977-12-20
FR2289961A1 (fr) 1976-05-28
DE2547035B2 (de) 1980-04-10
GB1492260A (en) 1977-11-16
DE2547035C3 (de) 1980-12-11
HU175241B (hu) 1980-06-28
DE2547035A1 (de) 1976-05-06

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