NL233484A - - Google Patents
Info
- Publication number
- NL233484A NL233484A NL233484DA NL233484A NL 233484 A NL233484 A NL 233484A NL 233484D A NL233484D A NL 233484DA NL 233484 A NL233484 A NL 233484A
- 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)
- Burglar Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH5444158A CH374717A (en) | 1958-01-07 | 1958-01-07 | Mixing device that can be connected to a telex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL233484A true NL233484A (en) |
Family
ID=4519263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL233484D NL233484A (en) | 1958-01-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3083263A (en) |
| CH (1) | CH374717A (en) |
| DE (1) | DE1111239B (en) |
| DK (1) | DK105986C (en) |
| FR (1) | FR1209000A (en) |
| GB (1) | GB910648A (en) |
| NL (1) | NL233484A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH515576A (en) * | 1970-08-20 | 1971-11-15 | Hagelin Boris Caesar Wilhelm | Device for encryption and decryption of multi-digit coded signals |
| CH594261A5 (en) * | 1975-11-20 | 1977-12-30 | Europ Handelsges Anst | |
| CH604432A5 (en) * | 1977-03-16 | 1978-09-15 | Europ Handelsges Anst |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1310719A (en) * | 1919-07-22 | Secret signaling system | ||
| US2028818A (en) * | 1934-06-21 | 1936-01-28 | American Telephone & Telegraph | Printing telegraph system |
| US2504621A (en) * | 1946-12-03 | 1950-04-18 | Bell Telephone Labor Inc | Enciphering and deciphering device for secret telegraph systems |
| US2547515A (en) * | 1949-06-23 | 1951-04-03 | Teletype Corp | Secrecy system |
| DE1017206B (en) * | 1955-04-05 | 1957-10-10 | Siemens Ag | Perforated tape transmitter with additional key device |
| DE1066610B (en) * | 1956-09-20 | 1959-10-08 | Standard Elektrik Lorenz Aktiengesellschaft, Stuttgart-Zuffenhausen | Security device for mixing devices in the case of encryption processes |
| DE1024560B (en) * | 1957-01-18 | 1958-02-20 | Siemens Ag | Method for transmitting encrypted multistep alphabet telex |
-
0
- NL NL233484D patent/NL233484A/xx unknown
-
1958
- 1958-01-07 CH CH5444158A patent/CH374717A/en unknown
- 1958-11-03 DE DEA30654A patent/DE1111239B/en active Pending
- 1958-11-29 DK DK443158AA patent/DK105986C/en active
- 1958-12-08 FR FR1209000D patent/FR1209000A/en not_active Expired
- 1958-12-16 GB GB40576/58A patent/GB910648A/en not_active Expired
- 1958-12-31 US US784144A patent/US3083263A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1209000A (en) | 1960-02-26 |
| DE1111239B (en) | 1961-07-20 |
| US3083263A (en) | 1963-03-26 |
| CH374717A (en) | 1964-01-31 |
| DK105986C (en) | 1966-12-05 |
| GB910648A (en) | 1962-11-14 |