SE0000089D0 - Kodlagringsanordning - Google Patents

Kodlagringsanordning

Info

Publication number
SE0000089D0
SE0000089D0 SE0000089A SE0000089A SE0000089D0 SE 0000089 D0 SE0000089 D0 SE 0000089D0 SE 0000089 A SE0000089 A SE 0000089A SE 0000089 A SE0000089 A SE 0000089A SE 0000089 D0 SE0000089 D0 SE 0000089D0
Authority
SE
Sweden
Prior art keywords
group
symbol
kodlagringsanordning
marking
segments
Prior art date
Application number
SE0000089A
Other languages
Swedish (sv)
Other versions
SE515646C2 (en
SE0000089L (en
Inventor
Joergen Eriksson
Original Assignee
Joergen Eriksson
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 Joergen Eriksson filed Critical Joergen Eriksson
Priority to SE0000089A priority Critical patent/SE515646C2/en
Publication of SE0000089D0 publication Critical patent/SE0000089D0/en
Publication of SE0000089L publication Critical patent/SE0000089L/en
Publication of SE515646C2 publication Critical patent/SE515646C2/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)
  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

Each of the discs (1-4) has a first group of segments (11) in which each segment field (13) has a symbol, and a second group of segments (10) in which each segment field (15) lacks a symbol and can be easily provided with a marking, e.g. by providing it with a surface for marking the symbol on. The number of segment fields in the second group is greater than that in the first group.
SE0000089A 2000-01-13 2000-01-13 Code storage device comprising rotatable concentric discs divided into segments, has two different groups of segments containing fields with and without symbols SE515646C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE0000089A SE515646C2 (en) 2000-01-13 2000-01-13 Code storage device comprising rotatable concentric discs divided into segments, has two different groups of segments containing fields with and without symbols

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0000089A SE515646C2 (en) 2000-01-13 2000-01-13 Code storage device comprising rotatable concentric discs divided into segments, has two different groups of segments containing fields with and without symbols

Publications (3)

Publication Number Publication Date
SE0000089D0 true SE0000089D0 (en) 2000-01-13
SE0000089L SE0000089L (en) 2001-07-14
SE515646C2 SE515646C2 (en) 2001-09-17

Family

ID=20278093

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0000089A SE515646C2 (en) 2000-01-13 2000-01-13 Code storage device comprising rotatable concentric discs divided into segments, has two different groups of segments containing fields with and without symbols

Country Status (1)

Country Link
SE (1) SE515646C2 (en)

Also Published As

Publication number Publication date
SE515646C2 (en) 2001-09-17
SE0000089L (en) 2001-07-14

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Legal Events

Date Code Title Description
NUG Patent has lapsed