FR1605161A - - Google Patents
Info
- Publication number
- FR1605161A FR1605161A FR1605161DA FR1605161A FR 1605161 A FR1605161 A FR 1605161A FR 1605161D A FR1605161D A FR 1605161DA FR 1605161 A FR1605161 A FR 1605161A
- Authority
- FR
- France
- 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
- 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
- G09C1/06—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted by a coding or key member
- G09C1/08—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 wherein elements corresponding to the signs making up the clear text are operatively connected with elements corresponding to the signs making up the ciphered text, the connections, during operation of the apparatus, being automatically and continuously permuted 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)
- Synchronous Machinery (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL235031 | 1959-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1605161A true FR1605161A (de) | 1973-04-16 |
Family
ID=19751508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1605161D Expired FR1605161A (de) | 1959-01-12 | 1960-01-12 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1605161A (de) |
| GB (2) | GB1322492A (de) |
| IT (1) | IT940227B (de) |
-
1960
- 1960-01-12 FR FR1605161D patent/FR1605161A/fr not_active Expired
- 1960-01-12 IT IT57960A patent/IT940227B/it active
- 1960-01-12 GB GB1622460A patent/GB1322492A/en not_active Expired
- 1960-01-12 GB GB1322491D patent/GB1322491A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT940227B (it) | 1973-02-10 |
| GB1322492A (en) | 1973-07-04 |
| GB1322491A (en) | 1973-07-04 |