DE2209097A1 - Nachrichtenübermittlungssystem mit Verschlüsselung der Signale - Google Patents
Nachrichtenübermittlungssystem mit Verschlüsselung der SignaleInfo
- Publication number
- DE2209097A1 DE2209097A1 DE19722209097 DE2209097A DE2209097A1 DE 2209097 A1 DE2209097 A1 DE 2209097A1 DE 19722209097 DE19722209097 DE 19722209097 DE 2209097 A DE2209097 A DE 2209097A DE 2209097 A1 DE2209097 A1 DE 2209097A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- signals
- switching
- output
- devices
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims description 29
- 230000008054 signal transmission Effects 0.000 claims description 15
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 2
- 241001631457 Cannula Species 0.000 claims 1
- 238000002608 intravascular ultrasound Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 22
- 238000010276 construction Methods 0.000 description 12
- 238000011084 recovery Methods 0.000 description 11
- 230000003111 delayed effect Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- VPSXHKGJZJCWLV-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(1-ethylpiperidin-4-yl)oxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OC1CCN(CC1)CC VPSXHKGJZJCWLV-UHFFFAOYSA-N 0.000 description 1
- WWSJZGAPAVMETJ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethoxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OCC WWSJZGAPAVMETJ-UHFFFAOYSA-N 0.000 description 1
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Details Of Television Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12266071A | 1971-03-10 | 1971-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2209097A1 true DE2209097A1 (de) | 1972-09-14 |
Family
ID=22404012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722209097 Pending DE2209097A1 (de) | 1971-03-10 | 1972-02-25 | Nachrichtenübermittlungssystem mit Verschlüsselung der Signale |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3733431A (enExample) |
| CA (1) | CA944059A (enExample) |
| DE (1) | DE2209097A1 (enExample) |
| FR (1) | FR2128760A1 (enExample) |
| GB (1) | GB1343862A (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3789131A (en) * | 1972-08-03 | 1974-01-29 | Oak Industries Inc | Selective coding system for subscription television |
| US3885089A (en) * | 1973-02-16 | 1975-05-20 | Hughes Aircraft Co | Television scrambling system |
| US3914534A (en) * | 1973-10-29 | 1975-10-21 | Magnavox Co | Methods and apparatus for scrambling and unscrambling premium television channels |
| US4272791A (en) * | 1979-03-26 | 1981-06-09 | Rifken Jerome C | Method and apparatus for video recording |
| US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
| US7831204B1 (en) | 1981-11-03 | 2010-11-09 | Personalized Media Communications, Llc | Signal processing apparatus and methods |
| USRE47642E1 (en) | 1981-11-03 | 2019-10-08 | Personalized Media Communications LLC | Signal processing apparatus and methods |
| USRE33189E (en) * | 1981-11-19 | 1990-03-27 | Communications Satellite Corporation | Security system for SSTV encryption |
| FR2573266A1 (fr) * | 1984-11-09 | 1986-05-16 | Cedelle Paul | Dispositif de decodage d'emissions de television codees, destine notamment a une installation d'antenne collective |
| FR2721160B1 (fr) * | 1994-06-13 | 1996-08-14 | Telediffusion Fse | Procédé d'embrouillage et de désembrouillage de programmes de télévision multiplexée et dispositifs correspondants. |
| WO1996008111A1 (en) * | 1994-09-07 | 1996-03-14 | Yee Kong Ng | Apparatus and methods for scrambling and unscrambling video signals |
| US5512963A (en) * | 1995-01-05 | 1996-04-30 | Mankovitz; Roy J. | Apparatus and methods for providing combining multiple video sources |
| US5710815A (en) * | 1995-06-07 | 1998-01-20 | Vtech Communications, Ltd. | Encoder apparatus and decoder apparatus for a television signal having embedded viewer access control data |
| US6370156B2 (en) * | 1997-01-31 | 2002-04-09 | Alcatel | Modulation/demodulation of a pilot carrier, means and method to perform the modulation/demodulation |
| DE20007619U1 (de) * | 2000-04-27 | 2001-08-30 | Krauss-Maffei Wegmann GmbH & Co.KG, 34127 Kassel | Einrichtung zur Reduktion der Antennenanzahl an einem Kampffahrzeug |
| WO2011075097A1 (en) * | 2009-12-15 | 2011-06-23 | Thomson Licensing | Multiplexed rfagc for frequency diversity receivers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106604A (en) * | 1955-01-12 | 1963-10-08 | Skiatron Elect & Tele | Multiple code subscription television system |
| US3054857A (en) * | 1955-04-18 | 1962-09-18 | Paramount Pictures Corp | Secrecy system |
| US3025350A (en) * | 1957-06-05 | 1962-03-13 | Herbert G Lindner | Security communication system |
| US3466385A (en) * | 1967-06-13 | 1969-09-09 | Zenith Radio Corp | Correlation testing arrangement for a subscription television receiver |
-
1971
- 1971-03-10 US US3733431D patent/US3733431A/en not_active Expired - Lifetime
-
1972
- 1972-01-31 CA CA133,590A patent/CA944059A/en not_active Expired
- 1972-02-09 GB GB607472A patent/GB1343862A/en not_active Expired
- 1972-02-25 DE DE19722209097 patent/DE2209097A1/de active Pending
- 1972-03-09 FR FR7208162A patent/FR2128760A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3733431A (en) | 1973-05-15 |
| FR2128760A1 (enExample) | 1972-10-20 |
| CA944059A (en) | 1974-03-19 |
| GB1343862A (en) | 1974-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3028994C2 (enExample) | ||
| DE69333787T2 (de) | Verfahren und Gerät zur Erzeugung eines Mehrkanalsignal | |
| DE3614361C2 (enExample) | ||
| DE2635039C2 (de) | Fernsehübertragungssystem | |
| DE2209097A1 (de) | Nachrichtenübermittlungssystem mit Verschlüsselung der Signale | |
| DE1462931B2 (de) | 18.05-.66 " 551084 Fernsehsystem zur Multiplexübertragung von Zusatznachrichten | |
| DE2315247C3 (de) | Fernmeldesystern mit einzelnen durch einen gemeinsamen Kanal verbundenen Sender-Empfänger-Stationen | |
| CH654707A5 (de) | Einrichtung zur entschluesselung von fernsehsignalen. | |
| EP0143896A2 (de) | Fernsehempfänger mit Schaltungsanordnung zur Entschlüsselung eines analogen verschlüsselten Signals | |
| DE69529520T2 (de) | Vorrichtung und verfahren zur hochfrequenzen übertragung von fernsehbildern | |
| EP0016922B1 (de) | Synchronisierschaltung für Videotaktoszillatoren | |
| DE2614199A1 (de) | Fernsehempfaenger mit einer schaltungsanordnung zur gleichzeitigen wiedergabe mehrerer programme | |
| DE4306080C2 (de) | Synchronsignalgenerator | |
| DE2239096B1 (de) | System zur trägerfrequenten Übertragung von elektrischen Signalen zwischen einer Farbfernseh-Kamera und der mit ihr über ein einziges Koaxialkabel verbundenen Steuereinheit | |
| DE2335064A1 (de) | Endeinrichtung fuer ein synchronisiertes nachrichtenverkehrssystem | |
| DE1512222C2 (de) | Fernseh-Übertragungssystem | |
| DE1956598A1 (de) | Fernsehkamerasystem | |
| DE946350C (de) | Fernsehverbindung mit einem Verschluesseler und einem Entschluesseler | |
| DE1058096B (de) | Ver- oder Entschluesselungseinrichtung fuer Abonnementsfernsehanlagen | |
| DE910782C (de) | Mehrfach-Nachrichten-UEbertragungssystem | |
| DE2401907A1 (de) | Visuelles anzeigesystem fuer signalinformation | |
| DE3704405C1 (en) | Release socket for supplying authorised receivers with selected television programmes | |
| DE2044009A1 (de) | Secam Farbfernsehempfänger | |
| DE2756290C3 (de) | Verfahren zur Übertragung zweier Farbfernsehsignale | |
| DE868451C (de) | Farbfernsehsystem |