FR945361A - Dispositif de cryptotélégraphie - Google Patents
Dispositif de cryptotélégraphieInfo
- Publication number
- FR945361A FR945361A FR945361DA FR945361A FR 945361 A FR945361 A FR 945361A FR 945361D A FR945361D A FR 945361DA FR 945361 A FR945361 A FR 945361A
- Authority
- FR
- France
- Prior art keywords
- cryptotelegraphy
- cryptotelegraphy device
- 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
- G09C3/08—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 electrical
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 |
---|---|---|---|
FR945361T | 1947-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR945361A true FR945361A (fr) | 1949-05-03 |
Family
ID=9472243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR945361D Expired FR945361A (fr) | 1947-04-02 | 1947-04-02 | Dispositif de cryptotélégraphie |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR945361A (fr) |
-
1947
- 1947-04-02 FR FR945361D patent/FR945361A/fr not_active Expired
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