NL209117A - - Google Patents
Info
- Publication number
- NL209117A NL209117A NL209117DA NL209117A NL 209117 A NL209117 A NL 209117A NL 209117D A NL209117D A NL 209117DA NL 209117 A NL209117 A NL 209117A
- Authority
- NL
- Netherlands
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
- G09C1/10—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 electrical
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB36601A DE1010996B (de) | 1955-07-23 | 1955-07-23 | Verfahren und Einrichtung zur Verschluesselung von Nachrichtenuebertragungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL209117A true NL209117A (fr) |
Family
ID=6964951
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL209117D NL209117A (fr) | 1955-07-23 | ||
| NL100433D NL100433C (fr) | 1955-07-23 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL100433D NL100433C (fr) | 1955-07-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2941036A (fr) |
| CH (1) | CH344451A (fr) |
| DE (1) | DE1010996B (fr) |
| FR (1) | FR1159951A (fr) |
| GB (1) | GB826757A (fr) |
| NL (2) | NL100433C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3317680A (en) * | 1963-04-10 | 1967-05-02 | Harold C Porter | Device for repetitively scanning selected small increments of data |
| GB1136096A (en) * | 1965-11-19 | 1968-12-11 | Nat Res Dev | Improvements in or relating to magnetic tape recording devices |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1749744A (en) * | 1926-02-01 | 1930-03-04 | Fuller Brush Co | Brush structure |
| GB453660A (en) * | 1935-04-03 | 1936-09-16 | Morgan Cyprian Mcmahon O Brien | Improvements in or relating to machines for enciphering and deciphering messages |
| DE958111C (de) * | 1936-10-24 | 1957-01-24 | IBM Deutschland Internationale Buro-Maschmen Gesellschaft mbH, Sin delfmgen (Wurtt) | Verschlüsselungseinrichtung fur Chiffrier-Schreibmaschinen |
| NL57170C (fr) * | 1938-08-26 | |||
| US2690473A (en) * | 1949-07-16 | 1954-09-28 | Times Facsimile Corp | Facsimile recording system and apparatus |
| US2644119A (en) * | 1949-07-27 | 1953-06-30 | John L Harris | Cam controlled device |
| US2773120A (en) * | 1950-11-30 | 1956-12-04 | Rca Corp | Magnetic recording of high frequency signals |
| US2753034A (en) * | 1951-05-07 | 1956-07-03 | Hell Rudolf | Coding machine |
| US2797260A (en) * | 1952-01-30 | 1957-06-25 | Zenith Radio Corp | Subscription television system |
| US2794851A (en) * | 1952-02-08 | 1957-06-04 | Zenith Radio Corp | Code storage device |
-
0
- NL NL209117D patent/NL209117A/xx unknown
- NL NL100433D patent/NL100433C/xx active
-
1955
- 1955-07-23 DE DEB36601A patent/DE1010996B/de active Granted
-
1956
- 1956-07-20 GB GB22515/56A patent/GB826757A/en not_active Expired
- 1956-07-20 CH CH344451D patent/CH344451A/de unknown
- 1956-07-23 US US599507A patent/US2941036A/en not_active Expired - Lifetime
- 1956-07-23 FR FR1159951D patent/FR1159951A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL100433C (fr) | |
| US2941036A (en) | 1960-06-14 |
| DE1010996C2 (fr) | 1957-12-05 |
| GB826757A (en) | 1960-01-20 |
| CH344451A (de) | 1960-02-15 |
| DE1010996B (de) | 1957-06-27 |
| FR1159951A (fr) | 1958-07-04 |