BE403358A - - Google Patents
Info
- Publication number
- BE403358A BE403358A BE403358DA BE403358A BE 403358 A BE403358 A BE 403358A BE 403358D A BE403358D A BE 403358DA BE 403358 A BE403358 A BE 403358A
- Authority
- BE
- Belgium
- Prior art keywords
- rotating member
- pinion
- base member
- slide
- symbols
- Prior art date
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)
- A Measuring Device Byusing Mechanical Method (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE403358A true BE403358A (instruction) |
Family
ID=68956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE403358D BE403358A (instruction) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE403358A (instruction) |
-
0
- BE BE403358D patent/BE403358A/fr unknown
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