DE69330946D1 - Mehrkanal-fernsehsignal ver- und entschlüsselungssystem und -verfahren - Google Patents
Mehrkanal-fernsehsignal ver- und entschlüsselungssystem und -verfahrenInfo
- Publication number
- DE69330946D1 DE69330946D1 DE69330946T DE69330946T DE69330946D1 DE 69330946 D1 DE69330946 D1 DE 69330946D1 DE 69330946 T DE69330946 T DE 69330946T DE 69330946 T DE69330946 T DE 69330946T DE 69330946 D1 DE69330946 D1 DE 69330946D1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- television signal
- encryption system
- quadrature
- composite baseband
- 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 - Lifetime
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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
-
- 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
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- 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
- H04N7/169—Systems operating in the time domain of the television signal
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
- Details Of Television Systems (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81875292A | 1992-01-08 | 1992-01-08 | |
PCT/US1993/000148 WO1993014597A1 (en) | 1992-01-08 | 1993-01-07 | Multichannel television signal scrambling and descrambling system and method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69330946D1 true DE69330946D1 (de) | 2001-11-22 |
Family
ID=25226320
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69330946T Expired - Lifetime DE69330946D1 (de) | 1992-01-08 | 1993-01-07 | Mehrkanal-fernsehsignal ver- und entschlüsselungssystem und -verfahren |
DE69333787T Expired - Fee Related DE69333787T2 (de) | 1992-01-08 | 1993-01-07 | Verfahren und Gerät zur Erzeugung eines Mehrkanalsignal |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69333787T Expired - Fee Related DE69333787T2 (de) | 1992-01-08 | 1993-01-07 | Verfahren und Gerät zur Erzeugung eines Mehrkanalsignal |
Country Status (8)
Country | Link |
---|---|
US (7) | US5430799A (de) |
EP (3) | EP0622003B1 (de) |
JP (2) | JPH07503111A (de) |
KR (1) | KR100269004B1 (de) |
AT (2) | ATE292356T1 (de) |
AU (1) | AU693766B2 (de) |
DE (2) | DE69330946D1 (de) |
WO (1) | WO1993014597A1 (de) |
Families Citing this family (101)
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JP3328046B2 (ja) * | 1994-02-16 | 2002-09-24 | 富士通株式会社 | 情報受信システム |
EP0717907B1 (de) * | 1994-07-11 | 2000-05-10 | California Amplifier | Ver- und entschlüsselungsverfahren und -gerät für mehrkanalfernsehsystem |
US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
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US6020189A (en) * | 1996-08-30 | 2000-02-01 | The Johns Hopkins University School Of Medicine | Fibroblast growth factor homologous factors (FHFs) and methods of use |
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US8275716B2 (en) | 2001-05-31 | 2012-09-25 | Contentguard Holdings, Inc. | Method and system for subscription digital rights management |
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US7725401B2 (en) * | 2001-05-31 | 2010-05-25 | Contentguard Holdings, Inc. | Method and apparatus for establishing usage rights for digital content to be created in the future |
US8001053B2 (en) * | 2001-05-31 | 2011-08-16 | Contentguard Holdings, Inc. | System and method for rights offering and granting using shared state variables |
US7222104B2 (en) * | 2001-05-31 | 2007-05-22 | Contentguard Holdings, Inc. | Method and apparatus for transferring usage rights and digital work having transferrable usage rights |
US6876984B2 (en) | 2001-05-31 | 2005-04-05 | Contentguard Holdings, Inc. | Method and apparatus for establishing usage rights for digital content to be created in the future |
US6895503B2 (en) * | 2001-05-31 | 2005-05-17 | Contentguard Holdings, Inc. | Method and apparatus for hierarchical assignment of rights to documents and documents having such rights |
US8275709B2 (en) * | 2001-05-31 | 2012-09-25 | Contentguard Holdings, Inc. | Digital rights management of content when content is a future live event |
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US7124303B2 (en) * | 2001-06-06 | 2006-10-17 | Sony Corporation | Elementary stream partial encryption |
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CN1539117A (zh) * | 2001-06-07 | 2004-10-20 | ��̹�е¿عɹɷ�����˾ | 在数字权利管理系统中支持多个委托区域的方法和装置 |
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US7974923B2 (en) * | 2001-11-20 | 2011-07-05 | Contentguard Holdings, Inc. | Extensible rights expression processing system |
US7765567B2 (en) | 2002-01-02 | 2010-07-27 | Sony Corporation | Content replacement by PID mapping |
US7823174B2 (en) | 2002-01-02 | 2010-10-26 | Sony Corporation | Macro-block based content replacement by PID mapping |
US7292690B2 (en) | 2002-01-02 | 2007-11-06 | Sony Corporation | Video scene change detection |
US7215770B2 (en) * | 2002-01-02 | 2007-05-08 | Sony Corporation | System and method for partially encrypted multimedia stream |
US7039938B2 (en) * | 2002-01-02 | 2006-05-02 | Sony Corporation | Selective encryption for video on demand |
US7218738B2 (en) * | 2002-01-02 | 2007-05-15 | Sony Corporation | Encryption and content control in a digital broadcast system |
US7242773B2 (en) * | 2002-09-09 | 2007-07-10 | Sony Corporation | Multiple partial encryption using retuning |
US7292691B2 (en) | 2002-01-02 | 2007-11-06 | Sony Corporation | Progressive video refresh slice detection |
US7155012B2 (en) * | 2002-01-02 | 2006-12-26 | Sony Corporation | Slice mask and moat pattern partial encryption |
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US20030229593A1 (en) * | 2002-03-14 | 2003-12-11 | Michael Raley | Rights expression profile system and method |
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CN1666207A (zh) * | 2002-04-29 | 2005-09-07 | 康坦夹德控股股份有限公司 | 采用法律表述语言的权利管理系统 |
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-
1993
- 1993-01-07 EP EP93903401A patent/EP0622003B1/de not_active Expired - Lifetime
- 1993-01-07 JP JP5512586A patent/JPH07503111A/ja active Pending
- 1993-01-07 WO PCT/US1993/000148 patent/WO1993014597A1/en active IP Right Grant
- 1993-01-07 AT AT01104853T patent/ATE292356T1/de not_active IP Right Cessation
- 1993-01-07 AT AT93903401T patent/ATE207278T1/de active
- 1993-01-07 EP EP05006721A patent/EP1553776A1/de not_active Withdrawn
- 1993-01-07 EP EP01104853A patent/EP1115248B1/de not_active Expired - Lifetime
- 1993-01-07 DE DE69330946T patent/DE69330946D1/de not_active Expired - Lifetime
- 1993-01-07 AU AU34681/93A patent/AU693766B2/en not_active Ceased
- 1993-01-07 KR KR1019940702367A patent/KR100269004B1/ko not_active IP Right Cessation
- 1993-01-07 DE DE69333787T patent/DE69333787T2/de not_active Expired - Fee Related
-
1994
- 1994-04-25 US US08/233,212 patent/US5430799A/en not_active Expired - Lifetime
-
1995
- 1995-05-03 US US08/433,135 patent/US5754650A/en not_active Expired - Fee Related
-
1998
- 1998-05-18 US US09/080,621 patent/US6148320A/en not_active Expired - Fee Related
-
2000
- 2000-11-14 US US09/712,096 patent/US6731757B1/en not_active Expired - Fee Related
-
2003
- 2003-08-11 US US10/639,146 patent/US7292286B2/en not_active Expired - Fee Related
-
2004
- 2004-04-21 JP JP2004125417A patent/JP2004304816A/ja active Pending
-
2007
- 2007-10-26 US US11/924,759 patent/US20090174820A1/en not_active Abandoned
- 2007-11-05 US US11/935,317 patent/US7724309B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040052370A1 (en) | 2004-03-18 |
US7724309B2 (en) | 2010-05-25 |
EP1115248A1 (de) | 2001-07-11 |
EP1115248B1 (de) | 2005-03-30 |
US6148320A (en) | 2000-11-14 |
AU693766B2 (en) | 1998-07-09 |
US7292286B2 (en) | 2007-11-06 |
EP0622003A1 (de) | 1994-11-02 |
AU3468193A (en) | 1993-08-03 |
JP2004304816A (ja) | 2004-10-28 |
WO1993014597A1 (en) | 1993-07-22 |
EP0622003A4 (de) | 1994-09-08 |
EP0622003B1 (de) | 2001-10-17 |
KR940704104A (ko) | 1994-12-12 |
US6731757B1 (en) | 2004-05-04 |
DE69333787T2 (de) | 2006-02-02 |
KR100269004B1 (ko) | 2000-10-16 |
ATE207278T1 (de) | 2001-11-15 |
JPH07503111A (ja) | 1995-03-30 |
US20090174820A1 (en) | 2009-07-09 |
US5430799A (en) | 1995-07-04 |
US20080080622A1 (en) | 2008-04-03 |
ATE292356T1 (de) | 2005-04-15 |
DE69333787D1 (de) | 2005-05-04 |
EP1553776A1 (de) | 2005-07-13 |
US5754650A (en) | 1998-05-19 |
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