BE341014A - - Google Patents
Info
- Publication number
- BE341014A BE341014A BE341014DA BE341014A BE 341014 A BE341014 A BE 341014A BE 341014D A BE341014D A BE 341014DA BE 341014 A BE341014 A BE 341014A
- Authority
- BE
- Belgium
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB621226A GB271955A (en) | 1926-03-05 | 1926-03-05 | Improvements in or relating to coding and de-coding machines and to code-changing devices therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE341014A true BE341014A (instruction) |
Family
ID=9810452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE341014D BE341014A (instruction) | 1926-03-05 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE341014A (instruction) |
| FR (1) | FR629979A (instruction) |
| GB (1) | GB271955A (instruction) |
-
0
- BE BE341014D patent/BE341014A/xx unknown
-
1926
- 1926-03-05 GB GB621226A patent/GB271955A/en not_active Expired
-
1927
- 1927-03-01 FR FR629979D patent/FR629979A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR629979A (fr) | 1927-11-21 |
| GB271955A (en) | 1927-06-07 |