HK1001302A1 - Method of and apparatus for scrambling a video signal with full network transmission and recording capability - Google Patents

Method of and apparatus for scrambling a video signal with full network transmission and recording capability

Info

Publication number
HK1001302A1
HK1001302A1 HK98100117A HK98100117A HK1001302A1 HK 1001302 A1 HK1001302 A1 HK 1001302A1 HK 98100117 A HK98100117 A HK 98100117A HK 98100117 A HK98100117 A HK 98100117A HK 1001302 A1 HK1001302 A1 HK 1001302A1
Authority
HK
Hong Kong
Prior art keywords
component
signal
color
scrambled
video signal
Prior art date
Application number
HK98100117A
Other languages
English (en)
Inventor
John O Ryan
Original Assignee
Macrovision Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Macrovision Corp filed Critical Macrovision Corp
Publication of HK1001302A1 publication Critical patent/HK1001302A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Studio Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
HK98100117A 1994-08-09 1998-01-07 Method of and apparatus for scrambling a video signal with full network transmission and recording capability HK1001302A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/287,800 US5590194A (en) 1994-08-09 1994-08-09 Method of and apparatus for scrambling a video signal with full network transmission and recording capability
PCT/US1995/009573 WO1996005698A1 (en) 1994-08-09 1995-07-27 Method of and apparatus for scrambling a video signal with full network transmission and recording capability

Publications (1)

Publication Number Publication Date
HK1001302A1 true HK1001302A1 (en) 1998-06-12

Family

ID=23104409

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100117A HK1001302A1 (en) 1994-08-09 1998-01-07 Method of and apparatus for scrambling a video signal with full network transmission and recording capability

Country Status (16)

Country Link
US (1) US5590194A (xx)
EP (1) EP0775419B1 (xx)
JP (1) JP3349704B2 (xx)
KR (1) KR100373411B1 (xx)
CN (1) CN1082316C (xx)
AT (1) ATE172833T1 (xx)
AU (1) AU686437B2 (xx)
BR (1) BR9508546A (xx)
CA (1) CA2195938C (xx)
DE (1) DE69505680T2 (xx)
DK (1) DK0775419T3 (xx)
HK (1) HK1001302A1 (xx)
MX (1) MX9700801A (xx)
NZ (1) NZ290714A (xx)
TW (1) TW425792B (xx)
WO (1) WO1996005698A1 (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6658568B1 (en) 1995-02-13 2003-12-02 Intertrust Technologies Corporation Trusted infrastructure support system, methods and techniques for secure electronic commerce transaction and rights management
US6157721A (en) 1996-08-12 2000-12-05 Intertrust Technologies Corp. Systems and methods using cryptography to protect secure computing environments
US5892900A (en) 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
CN101359350B (zh) 1995-02-13 2012-10-03 英特特拉斯特技术公司 用于安全地管理在数据项上的操作的方法
US7065211B1 (en) * 1995-07-21 2006-06-20 Sony Corporation Signal reproducing/recording/transmitting method and apparatus and signal recording medium
US20010011253A1 (en) 1998-08-04 2001-08-02 Christopher D. Coley Automated system for management of licensed software
US6978370B1 (en) 1996-09-03 2005-12-20 Cryptography Research, Inc. Method and system for copy-prevention of digital copyright works
US7395545B2 (en) 1997-03-31 2008-07-01 Macrovision Corporation Method and apparatus for providing copy protection using a transmittal mode command
US7415110B1 (en) 1999-03-24 2008-08-19 Intel Corporation Method and apparatus for the generation of cryptographic keys
JP4395920B2 (ja) * 1999-05-14 2010-01-13 ソニー株式会社 映像信号出力装置、及び映像信号入力装置
US6477252B1 (en) 1999-08-29 2002-11-05 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
US7068786B1 (en) 1999-08-29 2006-06-27 Intel Corporation Dual use block/stream cipher
US6731758B1 (en) * 1999-08-29 2004-05-04 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
US6920221B1 (en) 1999-08-29 2005-07-19 Intel Corporation Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface
US6947558B1 (en) 1999-08-29 2005-09-20 Intel Corporation Stream cipher having a shuffle network combiner function
US7003107B2 (en) 2000-05-23 2006-02-21 Mainstream Encryption Hybrid stream cipher
US20020141582A1 (en) * 2001-03-28 2002-10-03 Kocher Paul C. Content security layer providing long-term renewable security
US7987510B2 (en) 2001-03-28 2011-07-26 Rovi Solutions Corporation Self-protecting digital content
US20060291650A1 (en) * 2001-05-22 2006-12-28 Viswanath Ananth State-varying hybrid stream cipher
JP2003018565A (ja) * 2001-06-28 2003-01-17 Pioneer Electronic Corp 映像信号伝送装置
JP2003224556A (ja) * 2002-01-28 2003-08-08 Toshiba Corp 通信装置及び通信制御方法
US7103184B2 (en) 2002-05-09 2006-09-05 Intel Corporation System and method for sign mask encryption and decryption
JP2004236225A (ja) * 2003-01-31 2004-08-19 Ricoh Co Ltd 画像処理装置、プログラム及び記憶媒体
JP2007535718A (ja) 2003-07-07 2007-12-06 クリプターグラフィー リサーチ インコーポレイテッド 海賊行為を規制し、インタラクティブコンテンツを使用可能にするための再プログラマブルなセキュリティ
US9734241B2 (en) * 2004-06-23 2017-08-15 Lexisnexis, A Division Of Reed Elsevier Inc. Computerized system and method for creating aggregate profile reports regarding litigants, attorneys, law firms, judges, and cases by type and by court from court docket records

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307416A (en) * 1978-06-01 1981-12-22 Spano John D Television signal modification apparatus
DE2924453A1 (de) * 1979-06-18 1981-01-15 Walter Ing Grad Breu Verfahren und einrichtung zur herstellung kopiersicher bespielter videokassetten
US4642688A (en) * 1983-06-24 1987-02-10 Scientific Atlanta, Inc. Method and apparatus for creating encrypted and decrypted television signals
US4620224A (en) * 1985-04-03 1986-10-28 Communications Satellite Corp. Video scrambling technique for multiplexed analog component formats
US5113439A (en) * 1989-09-28 1992-05-12 Pioneer Electronic Corporation Catv terminal and video apparatus having a noise eliminating circuit
JPH06133269A (ja) * 1992-09-02 1994-05-13 Pioneer Electron Corp 映像信号記録及び再生装置

Also Published As

Publication number Publication date
EP0775419A1 (en) 1997-05-28
BR9508546A (pt) 1997-08-12
WO1996005698A1 (en) 1996-02-22
TW425792B (en) 2001-03-11
NZ290714A (en) 1998-09-24
DE69505680D1 (de) 1998-12-03
MX9700801A (es) 1997-05-31
DK0775419T3 (da) 1999-07-12
ATE172833T1 (de) 1998-11-15
JP3349704B2 (ja) 2002-11-25
KR970705300A (ko) 1997-09-06
EP0775419B1 (en) 1998-10-28
AU686437B2 (en) 1998-02-05
AU3153095A (en) 1996-03-07
CA2195938A1 (en) 1996-02-22
CN1159873A (zh) 1997-09-17
KR100373411B1 (ko) 2003-05-12
CN1082316C (zh) 2002-04-03
DE69505680T2 (de) 1999-03-25
CA2195938C (en) 1999-09-28
US5590194A (en) 1996-12-31
JPH10504432A (ja) 1998-04-28

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20150726