FR2128760A1 - - Google Patents
Info
- Publication number
- FR2128760A1 FR2128760A1 FR7208162A FR7208162A FR2128760A1 FR 2128760 A1 FR2128760 A1 FR 2128760A1 FR 7208162 A FR7208162 A FR 7208162A FR 7208162 A FR7208162 A FR 7208162A FR 2128760 A1 FR2128760 A1 FR 2128760A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
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 |
|---|---|
| FR2128760A1 true FR2128760A1 (enExample) | 1972-10-20 |
Family
ID=22404012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7208162A Withdrawn FR2128760A1 (enExample) | 1971-03-10 | 1972-03-09 |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (15)
| 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 |
| 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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3733431A (en) | 1973-05-15 |
| DE2209097A1 (de) | 1972-09-14 |
| CA944059A (en) | 1974-03-19 |
| GB1343862A (en) | 1974-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |