AT245293B - Arrangement for encryption and decryption - Google Patents

Arrangement for encryption and decryption

Info

Publication number
AT245293B
AT245293B AT708663A AT708663A AT245293B AT 245293 B AT245293 B AT 245293B AT 708663 A AT708663 A AT 708663A AT 708663 A AT708663 A AT 708663A AT 245293 B AT245293 B AT 245293B
Authority
AT
Austria
Prior art keywords
decryption
encryption
arrangement
Prior art date
Application number
AT708663A
Other languages
German (de)
Original Assignee
Europ Handelsges Anst
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 Europ Handelsges Anst filed Critical Europ Handelsges Anst
Application granted granted Critical
Publication of AT245293B publication Critical patent/AT245293B/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C1/00—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system
    • G09C1/04—Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system with sign carriers or indicators moved relative to one another to positions determined by a permutation code, or key, so as to indicate the appropriate corresponding clear or ciphered text

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
AT708663A 1962-09-19 1963-09-03 Arrangement for encryption and decryption AT245293B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1108562A CH409474A (en) 1962-09-19 1962-09-19 Encryption panel on a mechanical encryption device

Publications (1)

Publication Number Publication Date
AT245293B true AT245293B (en) 1966-02-25

Family

ID=4369889

Family Applications (1)

Application Number Title Priority Date Filing Date
AT708663A AT245293B (en) 1962-09-19 1963-09-03 Arrangement for encryption and decryption

Country Status (4)

Country Link
US (1) US3250020A (en)
AT (1) AT245293B (en)
CH (1) CH409474A (en)
GB (1) GB1034376A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558527A (en) * 1982-04-27 1985-12-17 Helmut Schroedel Reading aid apparatus, especially a copyholder for typewriters
IE56668B1 (en) * 1984-06-15 1991-10-23 Pelling Nicholas John M An encoder/decoder
US5088217A (en) * 1991-05-17 1992-02-18 Cameron Canaday Line reader apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2050919A (en) * 1929-05-02 1936-08-11 Brauer Ernst Ciphering machine
US1954033A (en) * 1930-02-24 1934-04-10 Customer Control Service Corp Customer control device
US2219255A (en) * 1938-10-03 1940-10-22 George A Koch Copyholder
US2803217A (en) * 1955-06-07 1957-08-20 Albert A Hudak Stenographic note positioning device

Also Published As

Publication number Publication date
US3250020A (en) 1966-05-10
GB1034376A (en) 1966-06-29
CH409474A (en) 1966-03-15

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