DE1474046C3 - Vorrichtung zur Umwandlung von Schlüsselwörtern in Adressen - Google Patents

Vorrichtung zur Umwandlung von Schlüsselwörtern in Adressen

Info

Publication number
DE1474046C3
DE1474046C3 DE1474046A DE1474046A DE1474046C3 DE 1474046 C3 DE1474046 C3 DE 1474046C3 DE 1474046 A DE1474046 A DE 1474046A DE 1474046 A DE1474046 A DE 1474046A DE 1474046 C3 DE1474046 C3 DE 1474046C3
Authority
DE
Germany
Prior art keywords
keyword
circuit
line
keywords
bit
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
Application number
DE1474046A
Other languages
German (de)
English (en)
Other versions
DE1474046A1 (de
DE1474046B2 (de
Inventor
Robert Tienwen Yorktown Heights Chien
Charles Visvald Pleasantville Freiman
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 DE1474046A1 publication Critical patent/DE1474046A1/de
Publication of DE1474046B2 publication Critical patent/DE1474046B2/de
Application granted granted Critical
Publication of DE1474046C3 publication Critical patent/DE1474046C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9014—Indexing; Data structures therefor; Storage structures hash tables

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)
  • Storage Device Security (AREA)
  • Dc Digital Transmission (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Error Detection And Correction (AREA)
DE1474046A 1963-10-23 1964-10-23 Vorrichtung zur Umwandlung von Schlüsselwörtern in Adressen Expired DE1474046C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US318232A US3317899A (en) 1963-10-23 1963-10-23 Information processing system utilizing a key to address transformation circuit

Publications (3)

Publication Number Publication Date
DE1474046A1 DE1474046A1 (de) 1971-04-08
DE1474046B2 DE1474046B2 (de) 1972-10-19
DE1474046C3 true DE1474046C3 (de) 1974-04-18

Family

ID=23237270

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1474046A Expired DE1474046C3 (de) 1963-10-23 1964-10-23 Vorrichtung zur Umwandlung von Schlüsselwörtern in Adressen

Country Status (3)

Country Link
US (1) US3317899A (US07122603-20061017-C00045.png)
DE (1) DE1474046C3 (US07122603-20061017-C00045.png)
GB (1) GB1051786A (US07122603-20061017-C00045.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3380030A (en) * 1965-07-29 1968-04-23 Ibm Apparatus for mating different word length memories
GB1115551A (en) * 1965-11-11 1968-05-29 Automatic Telephone & Elect Improvements in or relating to data processing systems
US3487373A (en) * 1965-11-16 1969-12-30 Gen Electric Apparatus providing symbolic memory addressing in a multicomputer system
US3473158A (en) * 1966-03-07 1969-10-14 Gen Electric Apparatus providing common memory addressing in a symbolically addressed data processing system
US3431558A (en) * 1966-08-04 1969-03-04 Ibm Data storage system employing an improved indexing technique therefor
US3462744A (en) * 1966-09-28 1969-08-19 Ibm Execution unit with a common operand and resulting bussing system
US3480916A (en) * 1967-01-30 1969-11-25 Gen Electric Apparatus providing identification of programs in a multiprogrammed data processing system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054987A (en) * 1956-08-03 1962-09-18 Lab For Electronics Inc Data organization techniques
US3093814A (en) * 1959-04-29 1963-06-11 Ibm Tag memory
DE1162398B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, die aus Bits verschiedener Wertigkeit bestehen
US3242470A (en) * 1962-08-21 1966-03-22 Bell Telephone Labor Inc Automation of telephone information service

Also Published As

Publication number Publication date
DE1474046A1 (de) 1971-04-08
US3317899A (en) 1967-05-02
DE1474046B2 (de) 1972-10-19
GB1051786A (US07122603-20061017-C00045.png) 1900-01-01

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee