FR1444250A - Dispositif de synchronisation d'une liaison - Google Patents
Dispositif de synchronisation d'une liaisonInfo
- Publication number
- FR1444250A FR1444250A FR17935A FR17935A FR1444250A FR 1444250 A FR1444250 A FR 1444250A FR 17935 A FR17935 A FR 17935A FR 17935 A FR17935 A FR 17935A FR 1444250 A FR1444250 A FR 1444250A
- Authority
- FR
- France
- Prior art keywords
- synchronization device
- link synchronization
- link
- synchronization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/448—Rendering the image unintelligible, e.g. scrambling
- H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR17935A FR1444250A (fr) | 1965-05-21 | 1965-05-21 | Dispositif de synchronisation d'une liaison |
DE19661487255 DE1487255A1 (de) | 1965-05-21 | 1966-05-12 | Anordnung zur Synchronisierung einer Nachrichtenverbindung |
GB2123366A GB1144831A (en) | 1965-05-21 | 1966-05-12 | Arrangement for synchronizing a communication link |
CH722566A CH452000A (fr) | 1965-05-21 | 1966-05-18 | Dispositif de liaison chiffrée pour transmettre des messages |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR17935A FR1444250A (fr) | 1965-05-21 | 1965-05-21 | Dispositif de synchronisation d'une liaison |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1444250A true FR1444250A (fr) | 1966-07-01 |
Family
ID=8579439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR17935A Expired FR1444250A (fr) | 1965-05-21 | 1965-05-21 | Dispositif de synchronisation d'une liaison |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH452000A (fr) |
DE (1) | DE1487255A1 (fr) |
FR (1) | FR1444250A (fr) |
GB (1) | GB1144831A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2368837A1 (fr) * | 1971-03-05 | 1978-05-19 | Siemens Ag | Procede pour transmettre des informations |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2509559B1 (fr) * | 1981-07-10 | 1986-03-21 | Thomson Csf | Procede de transmission numerique d'images video du type television et emetteur-recepteur correspondant |
GB2217949B (en) * | 1988-03-29 | 1992-08-05 | Aisin Seiki | Data encryption |
GB2262418A (en) * | 1991-10-17 | 1993-06-16 | Jennifer Mallows | Data transmission |
-
1965
- 1965-05-21 FR FR17935A patent/FR1444250A/fr not_active Expired
-
1966
- 1966-05-12 GB GB2123366A patent/GB1144831A/en not_active Expired
- 1966-05-12 DE DE19661487255 patent/DE1487255A1/de active Pending
- 1966-05-18 CH CH722566A patent/CH452000A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2368837A1 (fr) * | 1971-03-05 | 1978-05-19 | Siemens Ag | Procede pour transmettre des informations |
Also Published As
Publication number | Publication date |
---|---|
CH452000A (fr) | 1968-05-15 |
DE1487255A1 (de) | 1969-02-27 |
GB1144831A (en) | 1969-03-12 |
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