GB8624474D0 - Encoding/decoding device - Google Patents

Encoding/decoding device

Info

Publication number
GB8624474D0
GB8624474D0 GB868624474A GB8624474A GB8624474D0 GB 8624474 D0 GB8624474 D0 GB 8624474D0 GB 868624474 A GB868624474 A GB 868624474A GB 8624474 A GB8624474 A GB 8624474A GB 8624474 D0 GB8624474 D0 GB 8624474D0
Authority
GB
United Kingdom
Prior art keywords
encoding
decoding device
decoding
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.)
Withdrawn
Application number
GB868624474A
Other versions
GB2196169A (en
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.)
Pelling N J M
Original Assignee
Pelling N J M
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 Pelling N J M filed Critical Pelling N J M
Priority to GB08624474A priority Critical patent/GB2196169A/en
Publication of GB8624474D0 publication Critical patent/GB8624474D0/en
Publication of GB2196169A publication Critical patent/GB2196169A/en
Withdrawn legal-status Critical Current

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
GB08624474A 1986-10-13 1986-10-13 An encoding/decoding device Withdrawn GB2196169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08624474A GB2196169A (en) 1986-10-13 1986-10-13 An encoding/decoding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08624474A GB2196169A (en) 1986-10-13 1986-10-13 An encoding/decoding device

Publications (2)

Publication Number Publication Date
GB8624474D0 true GB8624474D0 (en) 1986-11-19
GB2196169A GB2196169A (en) 1988-04-20

Family

ID=10605646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08624474A Withdrawn GB2196169A (en) 1986-10-13 1986-10-13 An encoding/decoding device

Country Status (1)

Country Link
GB (1) GB2196169A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246375A (en) * 1991-09-23 1993-09-21 Wouter Goede Memory aiding device
US7984288B2 (en) * 2007-05-21 2011-07-19 Sercomm Corporation Software protection apparatus and protection method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB246307A (en) * 1925-01-23 1926-01-28 Alexander Von Kryha Improvements in ciphering or coding machines
GB670731A (en) * 1948-06-14 1952-04-23 Francisco Miranda Martinez Apparatus for enciphering and deciphering cryptographic communications
GB859046A (en) * 1956-04-30 1961-01-18 Zygmunt Stanislaw Piotrowski Cipher apparatus
IE56668B1 (en) * 1984-06-15 1991-10-23 Pelling Nicholas John M An encoder/decoder

Also Published As

Publication number Publication date
GB2196169A (en) 1988-04-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)