DE311999C - - Google Patents
Info
- Publication number
- DE311999C DE311999C DENDAT311999D DE311999DA DE311999C DE 311999 C DE311999 C DE 311999C DE NDAT311999 D DENDAT311999 D DE NDAT311999D DE 311999D A DE311999D A DE 311999DA DE 311999 C DE311999 C DE 311999C
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- alphabet
- letters
- guides
- arrangement
- 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.)
- Active
Links
- 230000008719 thickening Effects 0.000 description 1
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)
- Credit Cards Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE311999C true DE311999C (OSRAM) |
Family
ID=564958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT311999D Active DE311999C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE311999C (OSRAM) |
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0
- DE DENDAT311999D patent/DE311999C/de active Active
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