NL128352C - - Google Patents
Info
- Publication number
- NL128352C NL128352C NL261288A NL261288A NL128352C NL 128352 C NL128352 C NL 128352C NL 261288 A NL261288 A NL 261288A NL 261288 A NL261288 A NL 261288A NL 128352 C NL128352 C NL 128352C
- Authority
- NL
- Netherlands
- Prior art keywords
- group
- signals
- detector
- unit
- transmitter
- Prior art date
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
- G09C1/14—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 involving removable or interchangeable coding numbers, e.g. master tapes, punched cards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
- H04L2209/125—Parallelization or pipelining, e.g. for accelerating processing of cryptographic operations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Selective Calling Equipment (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR818946A FR1258261A (fr) | 1960-02-18 | 1960-02-18 | Système de transmission télégraphique avec chiffrement en ligne |
Publications (2)
Publication Number | Publication Date |
---|---|
NL261288A NL261288A (xx) | 1964-05-11 |
NL128352C true NL128352C (xx) | 1970-03-16 |
Family
ID=8725462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL261288A NL128352C (xx) | 1960-02-18 | 1961-02-15 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3185765A (xx) |
DE (1) | DE1205581B (xx) |
FR (1) | FR1258261A (xx) |
GB (1) | GB926227A (xx) |
NL (1) | NL128352C (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4168395A (en) * | 1961-05-19 | 1979-09-18 | American Standard Inc. | Start/stop teleprinter scrambler |
GB1008831A (xx) * | 1963-01-22 | |||
DE1537401C1 (de) * | 1967-10-05 | 1978-04-27 | Siemens Ag | Verfahren und Einrichtung zum verschluesselten UEbertragen von Geheimtext betreffenden codierten Informationen ueber mindestens eine Vermittlungsstelle |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1073229B (de) * | 1960-01-14 | Siemens & Halske Aktiengesellschaft, Berlin und München | Einrichtung zum wahl weisen Auswerten von in Aufzeichnungs tragern enthaltenen Nadmchtenteilen | |
DE511818C (de) * | 1928-03-24 | 1930-11-05 | Siemens & Halske Akt Ges | Mit Stromimpulskombination arbeitendes Fernmeldegeraet, insbesondere Blattdruck-Telegraph |
US2456733A (en) * | 1946-05-27 | 1948-12-21 | Teletype Corp | Cipher checking system |
US2695879A (en) * | 1953-01-16 | 1954-11-30 | Socony Vacuum Oil Co Inc | Antifoamant composition |
US2690475A (en) * | 1953-04-17 | 1954-09-28 | Ii Edward R Gaul | Synchronous teletypewriter mixer |
US2897268A (en) * | 1954-05-05 | 1959-07-28 | Bell Telephone Labor Inc | Cipher telegraph system |
DE1013314B (de) * | 1956-05-05 | 1957-08-08 | Lorenz C Ag | Eine Schaltungsanordnung fuer Fernschreibentschluesselungsgeraete mit Gleichlaufzusatz, die verhindert, dass bei zeitweise unterbrochenem UEbertragungsweg der Text des Schluesselstreifens niedergeschrieben wird |
DE1080593B (de) * | 1957-08-24 | 1960-04-28 | Standard Elektrik Lorenz Ag | Verfahren zum selbsttaetigen Umschalten von Klarbetrieb auf Geheimbetrieb bei mit einem Synchronzusatz ausgeruesteten Mischgeraeten |
DE1083307B (de) * | 1958-01-23 | 1960-06-15 | Int Standard Electric Corp | Verfahren zur selbsttaetigen Pruefung und Wiederherstellung des Gleichlaufs der Schluesselstreifen in Sender und Empfaenger einer Fernschreibanlage zur UEbertragung verschluesselter Nachrichten |
DE1076732B (de) * | 1958-04-24 | 1960-03-03 | Telefunken Gmbh | Anordnung fuer Fernschreibmaschinen mit wahlweise einschaltbarem Verschluesselungszusatz |
-
1960
- 1960-02-18 FR FR818946A patent/FR1258261A/fr not_active Expired
-
1961
- 1961-02-15 NL NL261288A patent/NL128352C/xx active
- 1961-02-17 DE DES72598A patent/DE1205581B/de active Pending
- 1961-02-17 US US90118A patent/US3185765A/en not_active Expired - Lifetime
- 1961-02-20 GB GB6182/61A patent/GB926227A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB926227A (en) | 1963-05-15 |
US3185765A (en) | 1965-05-25 |
DE1205581B (de) | 1965-11-25 |
FR1258261A (fr) | 1961-04-14 |
NL261288A (xx) | 1964-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB882207A (en) | Type printing telegraph system | |
GB1528329A (en) | Framing in data bit transmission | |
NL128352C (xx) | ||
US3893031A (en) | Synchronization system for voice privacy unit | |
GB983255A (en) | Improvements in or relating to pulse code modulation systems | |
GB1062721A (en) | Ciphering and deciphering apparatus | |
GB1371780A (en) | Apparatus for testing data transmission systems | |
US4166272A (en) | Process for data transfer with increased security against construction member error | |
GB1457929A (en) | Data transmissions system | |
GB878645A (en) | Enciphering and deciphering apparatus for secret telegraph systems | |
US1759938A (en) | Coordination of direction-finder observations | |
US2964682A (en) | Polarizing circuit for television signals or the like | |
GB910648A (en) | Improvements in or relating to auxiliary apparatus for teleprinters for the automatic ciphering of messages | |
GB830440A (en) | Improvements in or relating to start-stop telegraph systems | |
GB1512926A (en) | Method and apparatus for synchronizing a receiver-end cipher key generator with a transmitter-end cipher key generator | |
US3800086A (en) | Automatic sync detector | |
GB1427545A (en) | Checking the characteristics of an incoming signal | |
US3226676A (en) | Data handling system with modification of data control patterns | |
US2401494A (en) | Secret signaling system | |
US2403680A (en) | Ciphering system | |
GB833811A (en) | Electronic teleprinter | |
GB1508971A (en) | Teleprinter systems | |
US3569625A (en) | Telemetry data transmission system | |
GB1345028A (en) | Signal transfer system | |
US2463248A (en) | Secret telegraph system |