DE3701030C2 - - Google Patents
Info
- Publication number
- DE3701030C2 DE3701030C2 DE3701030A DE3701030A DE3701030C2 DE 3701030 C2 DE3701030 C2 DE 3701030C2 DE 3701030 A DE3701030 A DE 3701030A DE 3701030 A DE3701030 A DE 3701030A DE 3701030 C2 DE3701030 C2 DE 3701030C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- circuit
- decoder
- video
- input
- 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
- 230000001360 synchronised effect Effects 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 21
- 230000003321 amplification Effects 0.000 description 18
- 238000003199 nucleic acid amplification method Methods 0.000 description 18
- 230000008859 change Effects 0.000 description 10
- 239000003550 marker Substances 0.000 description 10
- 230000005236 sound signal Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000013475 authorization Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- 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
- H04N7/171—Systems operating in the amplitude domain of the television signal
- H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/819,412 US4670904A (en) | 1986-01-15 | 1986-01-15 | System for processing a scrambled video signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3701030A1 DE3701030A1 (de) | 1987-07-16 |
| DE3701030C2 true DE3701030C2 (en, 2012) | 1988-11-17 |
Family
ID=25228079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873701030 Granted DE3701030A1 (de) | 1986-01-15 | 1987-01-15 | Anordnung zur verarbeitung eines verschluesselten videosignals |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4670904A (en, 2012) |
| JP (1) | JPS62171390A (en, 2012) |
| KR (1) | KR950002668B1 (en, 2012) |
| CA (1) | CA1275727C (en, 2012) |
| DE (1) | DE3701030A1 (en, 2012) |
| FR (1) | FR2593010B1 (en, 2012) |
| GB (1) | GB2185669B (en, 2012) |
| HK (1) | HK118994A (en, 2012) |
| SG (1) | SG24592G (en, 2012) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965825A (en) * | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
| JPS6448584A (en) * | 1987-08-18 | 1989-02-23 | Alps Electric Co Ltd | Catv converter |
| CA1292056C (en) * | 1987-09-07 | 1991-11-12 | Masatoshi Tanaka | Video signal scrambling system |
| US5029340A (en) * | 1989-05-26 | 1991-07-02 | Pioneer Electronic Corporation | CATV terminal unit having an improved descrambling operation |
| JPH04115790A (ja) * | 1990-09-05 | 1992-04-16 | Sharp Corp | 同期回路 |
| US5133009A (en) * | 1990-10-04 | 1992-07-21 | Thomson Consumer Electronics, Inc. | Method and apparatus for defeating the operation of an ic built-in noise inverter |
| FI90612C (fi) * | 1992-03-11 | 1994-02-25 | Salon Televisiotehdas Oy | Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi |
| US5862219A (en) * | 1995-05-12 | 1999-01-19 | General Instrument Corporation | Cable television setback decoder automatic control |
| US5812665A (en) * | 1995-06-08 | 1998-09-22 | Ictv, Inc. | Switched channel system |
| CA2313133A1 (en) * | 1997-12-09 | 1999-06-17 | Ictv, Inc. | Virtual lan printing over interactive cable television system |
| JP2003018565A (ja) * | 2001-06-28 | 2003-01-17 | Pioneer Electronic Corp | 映像信号伝送装置 |
| US8074248B2 (en) | 2005-07-26 | 2011-12-06 | Activevideo Networks, Inc. | System and method for providing video content associated with a source image to a television in a communication network |
| WO2008088752A2 (en) | 2007-01-12 | 2008-07-24 | Ictv, Inc. | System and method for encoding scrolling raster images |
| US9826197B2 (en) | 2007-01-12 | 2017-11-21 | Activevideo Networks, Inc. | Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device |
| US9021541B2 (en) | 2010-10-14 | 2015-04-28 | Activevideo Networks, Inc. | Streaming digital video between video devices using a cable television system |
| EP2695388B1 (en) | 2011-04-07 | 2017-06-07 | ActiveVideo Networks, Inc. | Reduction of latency in video distribution networks using adaptive bit rates |
| EP2815582B1 (en) | 2012-01-09 | 2019-09-04 | ActiveVideo Networks, Inc. | Rendering of an interactive lean-backward user interface on a television |
| US9800945B2 (en) | 2012-04-03 | 2017-10-24 | Activevideo Networks, Inc. | Class-based intelligent multiplexing over unmanaged networks |
| US9123084B2 (en) | 2012-04-12 | 2015-09-01 | Activevideo Networks, Inc. | Graphical application integration with MPEG objects |
| WO2014145921A1 (en) | 2013-03-15 | 2014-09-18 | Activevideo Networks, Inc. | A multiple-mode system and method for providing user selectable video content |
| US9294785B2 (en) | 2013-06-06 | 2016-03-22 | Activevideo Networks, Inc. | System and method for exploiting scene graph information in construction of an encoded video sequence |
| US9219922B2 (en) | 2013-06-06 | 2015-12-22 | Activevideo Networks, Inc. | System and method for exploiting scene graph information in construction of an encoded video sequence |
| US9326047B2 (en) | 2013-06-06 | 2016-04-26 | Activevideo Networks, Inc. | Overlay rendering of user interface onto source video |
| US9788029B2 (en) | 2014-04-25 | 2017-10-10 | Activevideo Networks, Inc. | Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803700A (en) * | 1952-03-01 | 1957-08-20 | Rca Corp | Signal level control of noise cancellation tube conduction threshold |
| US4042959A (en) * | 1976-05-07 | 1977-08-16 | Gte Sylvania Incorporated | Noise suppression circuit |
| US4212032A (en) * | 1978-08-18 | 1980-07-08 | Rca Corporation | Synchronization and gain control circuit |
| US4408225A (en) * | 1981-07-06 | 1983-10-04 | Zenith Radio Corporation | Subscription television decoder |
| US4706285A (en) * | 1985-12-24 | 1987-11-10 | Rca Corporation | Automatic gain control of a scrambled video signal |
-
1986
- 1986-01-15 US US06/819,412 patent/US4670904A/en not_active Expired - Lifetime
-
1987
- 1987-01-07 CA CA000526901A patent/CA1275727C/en not_active Expired - Lifetime
- 1987-01-14 JP JP62007397A patent/JPS62171390A/ja active Granted
- 1987-01-14 KR KR1019870000218A patent/KR950002668B1/ko not_active Expired - Fee Related
- 1987-01-14 FR FR878700329A patent/FR2593010B1/fr not_active Expired - Lifetime
- 1987-01-14 GB GB8700795A patent/GB2185669B/en not_active Expired
- 1987-01-15 DE DE19873701030 patent/DE3701030A1/de active Granted
-
1992
- 1992-03-06 SG SG245/92A patent/SG24592G/en unknown
-
1994
- 1994-10-27 HK HK118994A patent/HK118994A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SG24592G (en) | 1992-05-15 |
| JPS62171390A (ja) | 1987-07-28 |
| FR2593010B1 (fr) | 1991-06-07 |
| US4670904A (en) | 1987-06-02 |
| GB2185669B (en) | 1989-10-25 |
| HK118994A (en) | 1994-11-04 |
| FR2593010A1 (fr) | 1987-07-17 |
| KR870007635A (ko) | 1987-08-20 |
| KR950002668B1 (ko) | 1995-03-24 |
| JPH0462631B2 (en, 2012) | 1992-10-07 |
| CA1275727C (en) | 1990-10-30 |
| DE3701030A1 (de) | 1987-07-16 |
| GB8700795D0 (en) | 1987-02-18 |
| GB2185669A (en) | 1987-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3701030C2 (en, 2012) | ||
| DE3709902C2 (en, 2012) | ||
| DE3644290C2 (en, 2012) | ||
| DE69124048T2 (de) | Vorrichtung zur Abschaltung des Betriebs einer in einer integrierten Schaltung eingebauten Rauschumpolschaltung | |
| DE3715825A1 (de) | Automatische verstaerkungsregelungsschaltung zum regeln der verstaerkung eines videosignals in einem fernsehempfaenger | |
| DE2111177C3 (de) | Farbfernsehempfänger mit einer Farbton- und Farbsättigungskorrektur | |
| DE2731732A1 (de) | Dekodiervorrichtung fuer fernsehsignale | |
| DE2342884A1 (de) | Verfahren und vorrichtung zum wiedergewinnen eines zusammengesetzten farbvideosignals | |
| DE69315971T2 (de) | Vorrichtung und verfahren zur rauschreduzierung für fernseh empfänger | |
| DE2609555A1 (de) | Einrichtung zum wahrnehmen und kompensieren von fehlern in einem signalumsetzungssystem | |
| DE3223249C2 (en, 2012) | ||
| DE1462907A1 (de) | Stoerschutzschaltung fuer Fernsehempfaenger | |
| DE2343532A1 (de) | Modulatorschaltung | |
| DE3017934C2 (de) | Synchronisierschaltung zur Synchronisierung einer Phasensynchronisierungsschleife mit Horizontalsynchronsignalen eines Videosignalgemisches | |
| DE69217627T2 (de) | Fernsehempfänger | |
| AT391045B (de) | Fernsehempfaenger | |
| DE2510348C2 (de) | Einrichtung zum Entschlüsseln eines Fernsehsignals | |
| DE3147760A1 (de) | Fernsehtonempfaenger | |
| DE69025223T2 (de) | Verfahren und Vorrichtung zur Dekodierung eines Fernsehsignals | |
| DE69604107T2 (de) | Farbsignaldemodulator geeignet für PAL- und SECAM-Fernsehempfänger | |
| DE1926021C3 (de) | Farbfernsehempfängerschaltung mit Synchronklemmung | |
| DE3331076C2 (de) | Tondemodulator für einen Fernsehempfänger | |
| EP0227171A2 (de) | Schaltungsanordnung für einen Farbfernsehempfänger oder für ein Bildaufzeichnungs- und -wiedergabegerät zur Steuerung eines Oszillators | |
| DE1512412C3 (de) | Rücklaufaustastschaltung für einen Fernsehempfänger | |
| AT406321B (de) | Detektor zur entschlüsselung von informationsdaten während des empfanges von funksignalen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: RCA LICENSING CORP., PRINCETON, N.J., US |
|
| 8339 | Ceased/non-payment of the annual fee |