DE1524180A1 - Auswahlsystem zur Auswahl von Dokumenten nach in digitalen Bits niedergelegten Schluesselwoertern - Google Patents

Auswahlsystem zur Auswahl von Dokumenten nach in digitalen Bits niedergelegten Schluesselwoertern

Info

Publication number
DE1524180A1
DE1524180A1 DE19661524180 DE1524180A DE1524180A1 DE 1524180 A1 DE1524180 A1 DE 1524180A1 DE 19661524180 DE19661524180 DE 19661524180 DE 1524180 A DE1524180 A DE 1524180A DE 1524180 A1 DE1524180 A1 DE 1524180A1
Authority
DE
Germany
Prior art keywords
track
bits
line
assigned
tracks
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.)
Pending
Application number
DE19661524180
Other languages
German (de)
English (en)
Inventor
Stevens Louis Dixie
Hildebrand Jack Owen
Sweet James Raymond
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE1524180A1 publication Critical patent/DE1524180A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9017—Indexing; Data structures therefor; Storage structures using directory or table look-up
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE19661524180 1965-12-29 1966-12-14 Auswahlsystem zur Auswahl von Dokumenten nach in digitalen Bits niedergelegten Schluesselwoertern Pending DE1524180A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517311A US3409882A (en) 1965-12-29 1965-12-29 Digital concept coordination information retrieval system

Publications (1)

Publication Number Publication Date
DE1524180A1 true DE1524180A1 (de) 1970-05-14

Family

ID=24059283

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661524180 Pending DE1524180A1 (de) 1965-12-29 1966-12-14 Auswahlsystem zur Auswahl von Dokumenten nach in digitalen Bits niedergelegten Schluesselwoertern

Country Status (5)

Country Link
US (1) US3409882A (enExample)
JP (1) JPS5310409B1 (enExample)
DE (1) DE1524180A1 (enExample)
FR (1) FR1515088A (enExample)
GB (1) GB1158732A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072367A (en) * 1987-10-01 1991-12-10 International Business Machines Corporation System using two passes searching to locate record having only parameters and corresponding values of an input record

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029019A (en) * 1956-06-01 1962-04-10 Ibm Card to tape converter
US3066280A (en) * 1958-01-16 1962-11-27 Western Reserve University Searching selector
US3092810A (en) * 1958-05-26 1963-06-04 Gen Precision Inc High speed tape memory system
US3109162A (en) * 1959-01-15 1963-10-29 Ibm Data boundary cross-over and/or advance data access system
US3214736A (en) * 1959-04-20 1965-10-26 Burroughs Corp Magnetic tape scan with field selection
US3154771A (en) * 1959-10-19 1964-10-27 Gen Dynamics Corp Multiple selection system
US3129321A (en) * 1960-01-26 1964-04-14 Universal Controls Inc Data collating system
US3231869A (en) * 1960-04-12 1966-01-25 Gen Precision Inc Information storage and search system
US3210736A (en) * 1961-09-11 1965-10-05 Ibm Data processing apparatus
US3258754A (en) * 1961-11-03 1966-06-28 Block markers
NL285814A (enExample) * 1961-11-24
US3219999A (en) * 1963-02-08 1965-11-23 Gen Dynamics Corp Asynchronous translator
US3293619A (en) * 1963-12-24 1966-12-20 Ibm Information retrieval

Also Published As

Publication number Publication date
GB1158732A (en) 1969-07-16
FR1515088A (fr) 1968-03-01
JPS5310409B1 (enExample) 1978-04-13
US3409882A (en) 1968-11-05

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