DK293789D0 - Kabel-tv-dekoder - Google Patents
Kabel-tv-dekoderInfo
- Publication number
- DK293789D0 DK293789D0 DK293789A DK293789A DK293789D0 DK 293789 D0 DK293789 D0 DK 293789D0 DK 293789 A DK293789 A DK 293789A DK 293789 A DK293789 A DK 293789A DK 293789 D0 DK293789 D0 DK 293789D0
- Authority
- DK
- Denmark
- Prior art keywords
- decoder
- cable
- Prior art date
Links
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)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/206,612 US4926477A (en) | 1988-06-14 | 1988-06-14 | Cable television descrambler |
Publications (2)
Publication Number | Publication Date |
---|---|
DK293789D0 true DK293789D0 (da) | 1989-06-14 |
DK293789A DK293789A (da) | 1989-12-15 |
Family
ID=22767155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK293789A DK293789A (da) | 1988-06-14 | 1989-06-14 | Kabel-tv-dekoder |
Country Status (9)
Country | Link |
---|---|
US (1) | US4926477A (da) |
EP (1) | EP0346700B1 (da) |
JP (1) | JP2788487B2 (da) |
KR (1) | KR0148106B1 (da) |
CA (1) | CA1299734C (da) |
DE (1) | DE68925837T2 (da) |
DK (1) | DK293789A (da) |
HK (1) | HK59997A (da) |
IE (1) | IE65829B1 (da) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69333787T2 (de) * | 1992-01-08 | 2006-02-02 | Broadband Innovations, Inc., San Diego | Verfahren und Gerät zur Erzeugung eines Mehrkanalsignal |
US5321748A (en) * | 1992-07-02 | 1994-06-14 | General Instrument Corporation, Jerrold Communications | Method and apparatus for television signal scrambling using block shuffling |
US5606612A (en) * | 1994-07-25 | 1997-02-25 | General Instrument Corporation, Jerrold Communications Division | Method and apparatus for television signal scrambling using a line expansion technique |
US5617475A (en) * | 1994-11-18 | 1997-04-01 | General Instrument Corporation, G.I. Communications Division | Scrambling and descrambling of video signals using horizontal line combinations |
US5512963A (en) * | 1995-01-05 | 1996-04-30 | Mankovitz; Roy J. | Apparatus and methods for providing combining multiple video sources |
US5862219A (en) | 1995-05-12 | 1999-01-19 | General Instrument Corporation | Cable television setback decoder automatic control |
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 |
US5912970A (en) * | 1996-04-09 | 1999-06-15 | Zenith Electronics Corporation | Television scrambling system |
JP2001515683A (ja) * | 1997-12-31 | 2001-09-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高出力光受信器 |
US7688803B1 (en) | 2000-09-01 | 2010-03-30 | Young Steven J | System and method for coordinating between multiple telephony channels |
US7200859B1 (en) | 2000-11-22 | 2007-04-03 | Digeo, Inc. | Apparatus and method for intelligent multimedia compression and distribution |
US6813643B2 (en) | 2001-01-05 | 2004-11-02 | Digeo, Inc. | Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner |
US20020116705A1 (en) * | 2001-02-20 | 2002-08-22 | Perlman Stephen G. | System and method for processing conditional access data |
US7046805B2 (en) | 2001-03-20 | 2006-05-16 | Digeo, Inc. | System and method for efficiently storing and processing multimedia content |
US7093277B2 (en) | 2001-05-30 | 2006-08-15 | Digeo, Inc. | System and method for improved multi-stream multimedia transmission and processing |
US7386129B2 (en) * | 2001-05-30 | 2008-06-10 | Digeo, Inc. | System and method for multimedia content simulcast |
US7463737B2 (en) | 2001-08-15 | 2008-12-09 | Digeo, Inc. | System and method for conditional access key encryption |
US6961956B2 (en) * | 2001-09-04 | 2005-11-01 | General Instrument Corporation | Simplified digital settop box |
KR100430525B1 (ko) * | 2001-12-17 | 2004-05-10 | 한국전자통신연구원 | 디지털 케이블 방송 시스템에서의 전송 스트림 처리장치와방법 및 그것을 위한 지연제어장치 |
JP2004274410A (ja) * | 2003-03-10 | 2004-09-30 | Hitachi Ltd | 受信装置および映像表示装置 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184537A (en) * | 1960-10-04 | 1965-05-18 | Paramount Pictures Corp | Subscription-television system employing suppression of synchronizing signals |
US3530232A (en) * | 1966-06-17 | 1970-09-22 | Intern Telemeter Corp | Subscription television system |
US3639686A (en) * | 1969-04-25 | 1972-02-01 | Homarket Inc | Television receiver cut-in device |
US4075660A (en) * | 1972-02-18 | 1978-02-21 | Teleglobe Pay-Tv System, Inc. | Pay television system with synchronization suppression |
JPS5912850Y2 (ja) * | 1978-03-06 | 1984-04-17 | ホーチキ株式会社 | チヤンネルレベル調整器 |
US4222068A (en) * | 1978-11-02 | 1980-09-09 | American Television And Communications Corporation | Subscription television apparatus and methods |
US4316217A (en) * | 1979-03-26 | 1982-02-16 | Rifken Jerome C | Method and apparatus for connecting a cable television system to a video cassette recorder |
US4389671A (en) * | 1980-09-29 | 1983-06-21 | Harris Corporation | Digitally-controlled analog encrypton |
US4335404A (en) * | 1980-10-10 | 1982-06-15 | Martinson Jr John R | Video signal mixer apparatus and method |
JPS5791085A (en) * | 1980-11-27 | 1982-06-07 | Sony Corp | Television receiver |
US4802214A (en) * | 1982-04-23 | 1989-01-31 | Eagle Comtronics, Inc. | Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system |
US4630133A (en) * | 1982-12-20 | 1986-12-16 | Zenith Electronics Corporation | VCR with total record/view flexibility |
US4496986A (en) * | 1983-01-11 | 1985-01-29 | U.S. Philips Corporation | Subscription television interface |
US4590519A (en) * | 1983-05-04 | 1986-05-20 | Regency Electronics, Inc. | Television signal scrambling/descrambling system |
US4530008A (en) * | 1983-10-03 | 1985-07-16 | Broadband Technologies, Inc. | Secured communications system |
JPH0654973B2 (ja) * | 1983-11-09 | 1994-07-20 | ソニー株式会社 | Catvラインを使用したデジタル信号の伝送装置 |
US4611242A (en) * | 1984-05-07 | 1986-09-09 | Zenith Electronics Corporation | Two mode scrambling system using identifier pulse in vertical blanking interval |
US4712237A (en) * | 1984-10-29 | 1987-12-08 | Zenith Electronics Corporation | Method and apparatus for unscrambling sync-suppressed television signals |
US4716588A (en) * | 1985-10-29 | 1987-12-29 | Payview Limited | Addressable subscription television system having multiple scrambling modes |
US4688246A (en) * | 1985-12-20 | 1987-08-18 | Zenith Electronics Corporation | CATV scrambling system with compressed digital audio in synchronizing signal intervals |
JPH0434623Y2 (da) * | 1986-11-17 | 1992-08-18 |
-
1988
- 1988-06-14 US US07/206,612 patent/US4926477A/en not_active Expired - Lifetime
-
1989
- 1989-06-02 CA CA000601544A patent/CA1299734C/en not_active Expired - Lifetime
- 1989-06-02 EP EP89109971A patent/EP0346700B1/en not_active Expired - Lifetime
- 1989-06-02 DE DE68925837T patent/DE68925837T2/de not_active Expired - Fee Related
- 1989-06-13 IE IE189389A patent/IE65829B1/en not_active IP Right Cessation
- 1989-06-14 JP JP1152052A patent/JP2788487B2/ja not_active Expired - Fee Related
- 1989-06-14 DK DK293789A patent/DK293789A/da not_active Application Discontinuation
- 1989-06-14 KR KR1019890008216A patent/KR0148106B1/ko not_active IP Right Cessation
-
1997
- 1997-05-08 HK HK59997A patent/HK59997A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0346700B1 (en) | 1996-03-06 |
EP0346700A2 (en) | 1989-12-20 |
DE68925837D1 (de) | 1996-04-11 |
EP0346700A3 (en) | 1991-11-06 |
JPH0237892A (ja) | 1990-02-07 |
IE891893L (en) | 1989-12-14 |
DE68925837T2 (de) | 1996-10-10 |
DK293789A (da) | 1989-12-15 |
KR0148106B1 (ko) | 1998-09-15 |
IE65829B1 (en) | 1995-11-15 |
CA1299734C (en) | 1992-04-28 |
KR900001256A (ko) | 1990-01-31 |
HK59997A (en) | 1997-05-16 |
JP2788487B2 (ja) | 1998-08-20 |
US4926477A (en) | 1990-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |