BE378974A - - Google Patents
Info
- Publication number
- BE378974A BE378974A BE378974DA BE378974A BE 378974 A BE378974 A BE 378974A BE 378974D A BE378974D A BE 378974DA BE 378974 A BE378974 A BE 378974A
- Authority
- BE
- Belgium
- Prior art keywords
- letters
- drum
- characters
- cylinders
- code
- 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
- G09C3/00—Typewriters for ciphering or deciphering cryptographic text
- G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
- G09C3/06—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member the connections being mechanical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Record Information Processing For Printing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378974A true BE378974A (enExample) |
Family
ID=48967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378974D BE378974A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE378974A (enExample) |
-
0
- BE BE378974D patent/BE378974A/fr unknown
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