CH358964A - Verfahren zur ziffernmässigen Verschlüsselung von alphabetischen Informationen - Google Patents

Verfahren zur ziffernmässigen Verschlüsselung von alphabetischen Informationen

Info

Publication number
CH358964A
CH358964A CH358964DA CH358964A CH 358964 A CH358964 A CH 358964A CH 358964D A CH358964D A CH 358964DA CH 358964 A CH358964 A CH 358964A
Authority
CH
Switzerland
Prior art keywords
alphabetical information
encryption
numerical
numerical encryption
alphabetical
Prior art date
Application number
Other languages
English (en)
Inventor
Beauclair Willfried De
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH358964A publication Critical patent/CH358964A/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/221—Local indication of seats occupied in a facility, e.g. in a theatre
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • 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
    • G06F16/9014—Indexing; Data structures therefor; Storage structures hash tables
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Software Systems (AREA)
  • Input From Keyboards Or The Like (AREA)
CH358964D 1957-05-07 1958-05-07 Verfahren zur ziffernmässigen Verschlüsselung von alphabetischen Informationen CH358964A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST12544A DE1081702B (de) 1957-05-07 1957-05-07 Verfahren und Anordnung zur Bildung von Suchkennzahlen

Publications (1)

Publication Number Publication Date
CH358964A true CH358964A (de) 1961-12-15

Family

ID=7455744

Family Applications (1)

Application Number Title Priority Date Filing Date
CH358964D CH358964A (de) 1957-05-07 1958-05-07 Verfahren zur ziffernmässigen Verschlüsselung von alphabetischen Informationen

Country Status (2)

Country Link
CH (1) CH358964A (de)
DE (1) DE1081702B (de)

Also Published As

Publication number Publication date
DE1081702B (de) 1960-05-12

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