FI753737A - - Google Patents
Info
- Publication number
- FI753737A FI753737A FI753737A FI753737A FI753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A FI 753737 A FI753737 A FI 753737A
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Dc Digital Transmission (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH136675A CH581930A5 (nl) | 1975-02-05 | 1975-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI753737A true FI753737A (nl) | 1976-08-06 |
Family
ID=4208738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI753737A FI753737A (nl) | 1975-02-05 | 1975-12-31 |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4079195A (nl) |
| JP (1) | JPS51103715A (nl) |
| AR (1) | AR229335A1 (nl) |
| AT (1) | AT346395B (nl) |
| BE (1) | BE838158A (nl) |
| CA (1) | CA1054066A (nl) |
| CH (1) | CH581930A5 (nl) |
| DE (1) | DE2603843C2 (nl) |
| DK (1) | DK42876A (nl) |
| FI (1) | FI753737A (nl) |
| FR (1) | FR2300472A1 (nl) |
| GB (1) | GB1512925A (nl) |
| IT (1) | IT1055059B (nl) |
| NL (1) | NL7601009A (nl) |
| NO (1) | NO760340L (nl) |
| SE (1) | SE7601091L (nl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH604432A5 (nl) * | 1977-03-16 | 1978-09-15 | Europ Handelsges Anst | |
| JPS54129901A (en) * | 1978-03-31 | 1979-10-08 | Toshiba Corp | Secret communication system |
| JPS5746553A (en) | 1980-09-05 | 1982-03-17 | Hitachi Ltd | Code synchronizing device |
| CH656760A5 (de) * | 1981-11-11 | 1986-07-15 | Landis & Gyr Ag | Verfahren und anordnung zur sicherstellung der start-synchronisation eines aus bit-impulsfolgen bestehenden telegramms innerhalb eines empfaengers. |
| DE3207040A1 (de) * | 1982-02-26 | 1983-09-08 | Siemens AG, 1000 Berlin und 8000 München | Vefahren und anordnung zum uebertragen von zeichen |
| US4661980A (en) * | 1982-06-25 | 1987-04-28 | The United States Of America As Represented By The Secretary Of The Navy | Intercept resistant data transmission system |
| DE3518462A1 (de) * | 1985-05-23 | 1986-11-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | System zur verschluesselten nachrichtenuebertragung |
| DE3832946A1 (de) * | 1988-09-28 | 1990-04-05 | Siemens Ag | Verfahren zur verschluesselung digitaler zeitmultiplexsignale |
| US5237593A (en) * | 1989-05-04 | 1993-08-17 | Stc, Plc | Sequence synchronisation |
| US6590981B2 (en) * | 2000-02-22 | 2003-07-08 | Zyfer, Inc. | System and method for secure cryptographic communications |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1076733B (de) * | 1958-05-29 | 1960-03-03 | Telefunken Gmbh | Anordnung zur Sicherstellung des Synchronlaufs der Schluessel-zeichengeneratoren aufder Sende- und Empfangsseite bei der Geheimuebertragung von kodierten Nachrichtensignalen |
| FR1582790A (nl) * | 1968-01-16 | 1969-10-10 | ||
| US3639838A (en) * | 1968-01-30 | 1972-02-01 | Hughes Aircraft Co | Synchronized variable delay time division communication system |
| US3597539A (en) * | 1968-12-04 | 1971-08-03 | Itt | Frame synchronization system |
| CH539989A (de) * | 1971-04-19 | 1973-07-31 | Gretag Ag | Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung |
| NL7110022A (nl) * | 1971-07-21 | 1973-01-23 | ||
| US3740478A (en) * | 1971-10-19 | 1973-06-19 | Philips Corp | Pseudo-random multiplex synchronizer |
| NL7317591A (nl) * | 1973-12-21 | 1975-06-24 | Nederlanden Staat | Stelsel voor het overdragen van een bitreeks. |
| US3936601A (en) * | 1974-05-28 | 1976-02-03 | Burroughs Corporation | Method and apparatus for altering the synchronous compare character in a digital data communication system |
-
1975
- 1975-02-05 CH CH136675A patent/CH581930A5/xx not_active IP Right Cessation
- 1975-12-31 FI FI753737A patent/FI753737A/fi not_active Application Discontinuation
-
1976
- 1976-01-27 US US05/652,758 patent/US4079195A/en not_active Expired - Lifetime
- 1976-02-02 NO NO760340*[A patent/NO760340L/no unknown
- 1976-02-02 DE DE2603843A patent/DE2603843C2/de not_active Expired
- 1976-02-02 SE SE7601091A patent/SE7601091L/xx unknown
- 1976-02-02 NL NL7601009A patent/NL7601009A/nl unknown
- 1976-02-02 AT AT71876A patent/AT346395B/de not_active IP Right Cessation
- 1976-02-02 GB GB3954/76A patent/GB1512925A/en not_active Expired
- 1976-02-02 DK DK42876*#A patent/DK42876A/da not_active Application Discontinuation
- 1976-02-02 AR AR262109A patent/AR229335A1/es active
- 1976-02-02 IT IT19817/76A patent/IT1055059B/it active
- 1976-02-02 FR FR7602767*[A patent/FR2300472A1/fr active Granted
- 1976-02-02 JP JP51009411A patent/JPS51103715A/ja active Pending
- 1976-02-02 BE BE163994A patent/BE838158A/xx not_active IP Right Cessation
- 1976-02-02 CA CA244,737A patent/CA1054066A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK42876A (da) | 1976-08-06 |
| NL7601009A (nl) | 1976-08-09 |
| BE838158A (fr) | 1976-05-28 |
| US4079195A (en) | 1978-03-14 |
| JPS51103715A (nl) | 1976-09-13 |
| NO760340L (nl) | 1976-08-06 |
| SE7601091L (sv) | 1976-08-06 |
| FR2300472B1 (nl) | 1981-12-31 |
| DE2603843C2 (de) | 1985-06-20 |
| CH581930A5 (nl) | 1976-11-15 |
| DE2603843A1 (de) | 1976-08-19 |
| GB1512925A (en) | 1978-06-01 |
| AR229335A1 (es) | 1983-07-29 |
| IT1055059B (it) | 1981-12-21 |
| AT346395B (de) | 1978-11-10 |
| ATA71876A (de) | 1978-03-15 |
| CA1054066A (en) | 1979-05-08 |
| FR2300472A1 (fr) | 1976-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: ANSTALT EUROPAEISCHE HANDELSGESELLSHAFT |