NO133297C - - Google Patents
Info
- Publication number
- NO133297C NO133297C NO2697/71A NO269771A NO133297C NO 133297 C NO133297 C NO 133297C NO 2697/71 A NO2697/71 A NO 2697/71A NO 269771 A NO269771 A NO 269771A NO 133297 C NO133297 C NO 133297C
- Authority
- NO
- Norway
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
- G09C3/00—Typewriters for ciphering or deciphering cryptographic text
- G09C3/04—Typewriters for ciphering or deciphering cryptographic text wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1249770A CH515576A (de) | 1970-08-20 | 1970-08-20 | Gerät zur Ver- und Entschlüsselung von mehrstellig codierten Signalen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO133297B NO133297B (no) | 1975-12-29 |
| NO133297C true NO133297C (no) | 1976-04-07 |
Family
ID=4383549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO2697/71A NO133297C (no) | 1970-08-20 | 1971-07-14 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3752920A (no) |
| AT (1) | AT326737B (no) |
| BE (1) | BE771528A (no) |
| CA (1) | CA952822A (no) |
| CH (1) | CH515576A (no) |
| DE (1) | DE2131063C3 (no) |
| DK (1) | DK144960C (no) |
| FI (1) | FI55425C (no) |
| FR (1) | FR2101952A5 (no) |
| GB (1) | GB1352593A (no) |
| NL (1) | NL7111010A (no) |
| NO (1) | NO133297C (no) |
| SE (1) | SE363450B (no) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH604432A5 (no) * | 1977-03-16 | 1978-09-15 | Europ Handelsges Anst | |
| NL183862C (nl) * | 1980-02-04 | 1989-02-01 | Philips Nv | Telecommunicatiestelsel met gecodeerde berichtoverdracht. |
| GB2100944B (en) * | 1981-06-24 | 1985-03-06 | Racal Res Ltd | Synchronisation circuits |
| US4555591A (en) * | 1982-09-07 | 1985-11-26 | At&T Bell Laboratories | Integrated circuit devices for secure data encryption |
| SE465006B (sv) * | 1989-06-16 | 1991-07-08 | Televerket | Foerfarande och anordning foer kryptering vid datakommunikation mellan dataterminaler |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE514962C (de) * | 1928-02-28 | 1930-12-24 | Siemens & Halske Akt Ges | Verfahren zur Unschaedlichmachung von positiven (atmosphaerischen) und negativen (Fading-) Stoerungen bei der UEbermittlung, insbesondere drahtlos gesendeter Telegraphierzeichen |
| GB389504A (en) * | 1931-09-17 | 1933-03-17 | Int Communications Lab Inc | Radio printing telegraph systems |
| BE381169A (no) * | 1930-07-30 | |||
| US2050265A (en) * | 1933-07-14 | 1936-08-11 | American Telephone & Telegraph | Iterative telegraph system |
| NL200501A (no) * | 1955-01-26 | |||
| NL233484A (no) * | 1958-01-07 | |||
| CH362555A (de) * | 1958-06-07 | 1962-06-15 | Hagelin Boris Caesar Wilhelm | Anordnung zum Fortschalten einer Gruppe von Elementen mit unregelmässiger Schrittfolge |
| DE1100679B (de) * | 1959-10-16 | 1961-03-02 | Siemens Ag | Verfahren und Schaltungsanordnung zur Sicherung von Fernschreibnachrichten, bei denen die einzelnen Zeichen in einem 5-Schritte-Code uebertragen werden |
| CH402937A (de) * | 1961-08-18 | 1965-11-30 | Gretag Ag | Verfahren zur Verschlüsselung von impulsförmig übertragenen Nachrichten |
| US3496291A (en) * | 1966-06-17 | 1970-02-17 | Int Standard Electric Corp | Enciphering teleprinter text for telex channels |
| CH471432A (de) * | 1967-01-25 | 1969-04-15 | Europ Handelsges Anst | Magnetischer Informationsspeicher |
| DE1293817B (de) * | 1967-11-10 | 1969-04-30 | Telefunken Patent | Verfahren zur gesicherten UEbertragung binaer kodierter Informationen |
| US3541257A (en) * | 1968-11-27 | 1970-11-17 | Gen Electric | Communication response unit |
-
1970
- 1970-08-20 CH CH1249770A patent/CH515576A/de not_active IP Right Cessation
-
1971
- 1971-06-23 DE DE2131063A patent/DE2131063C3/de not_active Expired
- 1971-06-30 AT AT567671A patent/AT326737B/de not_active IP Right Cessation
- 1971-07-08 FI FI1930/71A patent/FI55425C/fi active
- 1971-07-14 NO NO2697/71A patent/NO133297C/no unknown
- 1971-07-28 US US00166810A patent/US3752920A/en not_active Expired - Lifetime
- 1971-07-29 FR FR7127868A patent/FR2101952A5/fr not_active Expired
- 1971-08-09 GB GB3734271A patent/GB1352593A/en not_active Expired
- 1971-08-10 NL NL7111010A patent/NL7111010A/xx not_active Application Discontinuation
- 1971-08-19 SE SE10557/71A patent/SE363450B/xx unknown
- 1971-08-19 BE BE771528A patent/BE771528A/xx not_active IP Right Cessation
- 1971-08-19 DK DK406871A patent/DK144960C/da not_active IP Right Cessation
- 1971-08-20 CA CA121,044A patent/CA952822A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI55425B (fi) | 1979-03-30 |
| SE363450B (no) | 1974-01-14 |
| FI55425C (fi) | 1979-07-10 |
| DK144960B (da) | 1982-07-12 |
| NO133297B (no) | 1975-12-29 |
| US3752920A (en) | 1973-08-14 |
| DE2131063A1 (de) | 1972-02-24 |
| BE771528A (fr) | 1971-12-31 |
| CH515576A (de) | 1971-11-15 |
| CA952822A (en) | 1974-08-13 |
| NL7111010A (no) | 1972-02-22 |
| DK144960C (da) | 1982-11-29 |
| GB1352593A (en) | 1974-05-08 |
| ATA567671A (de) | 1975-03-15 |
| AT326737B (de) | 1975-12-29 |
| DE2131063C3 (de) | 1986-07-31 |
| DE2131063B2 (de) | 1980-03-27 |
| FR2101952A5 (no) | 1972-03-31 |