FR802931A - Perfectionnements aux machines à cryptographier - Google Patents
Perfectionnements aux machines à cryptographierInfo
- Publication number
- FR802931A FR802931A FR802931DA FR802931A FR 802931 A FR802931 A FR 802931A FR 802931D A FR802931D A FR 802931DA FR 802931 A FR802931 A FR 802931A
- Authority
- FR
- France
- Prior art keywords
- cryptographic machines
- cryptographic
- machines
- 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.)
- Expired
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR802931T | 1936-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR802931A true FR802931A (fr) | 1936-09-18 |
Family
ID=9249851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR802931D Expired FR802931A (fr) | 1936-02-27 | 1936-02-27 | Perfectionnements aux machines à cryptographier |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR802931A (fr) |
-
1936
- 1936-02-27 FR FR802931D patent/FR802931A/fr not_active Expired
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