DE69522424D1 - Kopierverhinderungsverfahren und Kopierverhinderungsvorrichtung für ein digitales Videosystem - Google Patents

Kopierverhinderungsverfahren und Kopierverhinderungsvorrichtung für ein digitales Videosystem

Info

Publication number
DE69522424D1
DE69522424D1 DE69522424T DE69522424T DE69522424D1 DE 69522424 D1 DE69522424 D1 DE 69522424D1 DE 69522424 T DE69522424 T DE 69522424T DE 69522424 T DE69522424 T DE 69522424T DE 69522424 D1 DE69522424 D1 DE 69522424D1
Authority
DE
Germany
Prior art keywords
copy
digital video
video system
copy device
copy method
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
Application number
DE69522424T
Other languages
English (en)
Inventor
Tae Joon Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19399149&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69522424(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Application granted granted Critical
Publication of DE69522424D1 publication Critical patent/DE69522424D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • 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
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
    • H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
DE69522424T 1994-11-26 1995-11-27 Kopierverhinderungsverfahren und Kopierverhinderungsvorrichtung für ein digitales Videosystem Expired - Lifetime DE69522424D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940031373A KR0152788B1 (ko) 1994-11-26 1994-11-26 디지탈 영상 시스템의 복사 방지 방법 및 장치

Publications (1)

Publication Number Publication Date
DE69522424D1 true DE69522424D1 (de) 2001-10-04

Family

ID=19399149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69522424T Expired - Lifetime DE69522424D1 (de) 1994-11-26 1995-11-27 Kopierverhinderungsverfahren und Kopierverhinderungsvorrichtung für ein digitales Videosystem

Country Status (7)

Country Link
US (9) US5761302A (de)
EP (1) EP0717564B1 (de)
JP (2) JP2898591B2 (de)
KR (1) KR0152788B1 (de)
CN (11) CN1822668B (de)
DE (1) DE69522424D1 (de)
HK (5) HK1066131A1 (de)

Families Citing this family (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
KR0152788B1 (ko) 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
KR0136458B1 (ko) 1994-12-08 1998-05-15 구자홍 디지탈 자기 기록재생 시스템의 복사 방지장치
US6516064B1 (en) * 1995-07-25 2003-02-04 Sony Corporation Signal recording apparatus, signal record medium and signal reproducing apparatus
JP3467964B2 (ja) * 1995-08-10 2003-11-17 ソニー株式会社 データ記録装置及び方法、データ再生装置及び方法、記録媒体、並びにデータ伝送方法
US5703859A (en) * 1995-09-01 1997-12-30 Sony Corporation Digital video copy protection system
KR0166923B1 (ko) * 1995-09-18 1999-03-20 구자홍 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치
US7221853B1 (en) 1996-09-05 2007-05-22 Sony Corporation Digital recording apparatus and copyright protection method thereof
US6298196B1 (en) 1996-09-05 2001-10-02 Sony Corporation Digital recording apparatus and copyright protection method thereof
JP3941178B2 (ja) 1996-09-05 2007-07-04 ソニー株式会社 記録媒体、デジタル記録機器、及び制御用ｉｃ
JPH10108148A (ja) * 1996-09-27 1998-04-24 Sony Corp ディジタルデータの著作権保護方法および保護システム
US6584275B1 (en) 1996-12-20 2003-06-24 Thomson Licensing Sa Control of consumer recording equipment
GB9626574D0 (en) * 1996-12-20 1997-02-05 Thomson Consumer Electronics Control of consumer recording equipment
JP4110588B2 (ja) * 1997-03-19 2008-07-02 ソニー株式会社 データ受信装置および受信方法
JP3891230B2 (ja) * 1997-05-29 2007-03-14 ソニー株式会社 付加情報重畳装置および付加情報重畳方法
JPH1173725A (ja) * 1997-08-29 1999-03-16 Sony Corp 情報信号記録再生システム、情報記録装置、情報信号再生装置および情報信号記録再生方法
US6223285B1 (en) * 1997-10-24 2001-04-24 Sony Corporation Of Japan Method and system for transferring information using an encryption mode indicator
KR100281044B1 (ko) * 1997-12-30 2001-02-01 구자홍 디지털브이씨알의복사방지장치와그방법
US8300832B2 (en) 1998-01-08 2012-10-30 Samsung Electronics Co., Ltd. System and method for copy protection for digital signals
US7778418B1 (en) 1998-01-08 2010-08-17 Samsung Electronics Co., Ltd. System and method for copy protection for digital signals
JP3890737B2 (ja) 1998-04-14 2007-03-07 株式会社日立製作所 ディジタル映像信号または音声信号の再生装置及び再生方法
US6345099B1 (en) * 1998-05-22 2002-02-05 S3 Incorporated System and method for copy protecting computer graphics
JP3835655B2 (ja) * 1998-06-09 2006-10-18 ソニー株式会社 情報信号再生装置、情報信号処理装置、情報信号再生方法および情報信号出力方法
US6584552B1 (en) 1998-11-02 2003-06-24 Matsushita Electric Industrial Co., Ltd. Recording/reproducing apparatus, program recorded medium, recorded medium, cache device, and transmitter
DE19906449C1 (de) * 1999-02-16 2000-08-10 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines verschlüsselten Nutzdatenstroms und Verfahren und Vorrichtung zum Abspielen eines verschlüsselten Nutzdatenstroms
DE19906432C1 (de) * 1999-02-16 2000-06-21 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines Datenstroms und Verfahren und Vorrichtung zum Abspielen eines Datenstroms
MY131509A (en) * 1999-03-15 2007-08-30 Sony Corp Data processing method, apparatus and system for encrypted- data transfer
KR100700508B1 (ko) * 1999-03-18 2007-03-28 엘지전자 주식회사 멀티미디어 전송시스템의 저작권 보호 장치
US7730300B2 (en) * 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US6697489B1 (en) 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US6912513B1 (en) 1999-10-29 2005-06-28 Sony Corporation Copy-protecting management using a user scrambling key
US7039614B1 (en) * 1999-11-09 2006-05-02 Sony Corporation Method for simulcrypting scrambled data to a plurality of conditional access devices
US7010685B1 (en) 1999-11-09 2006-03-07 Sony Corporation Method and apparatus for storing scrambled digital programs by filtering product identifier
JP3740917B2 (ja) * 1999-11-26 2006-02-01 日本ビクター株式会社 記録方法及び記録媒体
US6701528B1 (en) * 2000-01-26 2004-03-02 Hughes Electronics Corporation Virtual video on demand using multiple encrypted video segments
SG97852A1 (en) * 2000-02-25 2003-08-20 Kent Ridge Digital Labs Method and apparatus for digital content copy protection
JP2001266480A (ja) * 2000-03-22 2001-09-28 Sony Computer Entertainment Inc 暗号化された音声データを記録した記録媒体、情報処理装置
JP4457474B2 (ja) * 2000-04-04 2010-04-28 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
JP3896768B2 (ja) * 2000-05-31 2007-03-22 日本電気株式会社 Ｍｐｅｇビデオエレメンタリストリーム抽出装置及びそれに用いるエレメンタリストリーム抽出方法
US8082572B1 (en) 2000-06-08 2011-12-20 The Directv Group, Inc. Method and apparatus for transmitting, receiving, and utilizing audio/visual signals and other information
US20030206631A1 (en) * 2000-06-22 2003-11-06 Candelore Brant L. Method and apparatus for scrambling program data for furture viewing
US20040205812A1 (en) * 2000-06-22 2004-10-14 Candelore Brant L. Method and apparatus for routing program data in a program viewing unit
US8140859B1 (en) 2000-07-21 2012-03-20 The Directv Group, Inc. Secure storage and replay of media programs using a hard-paired receiver and storage device
US7203314B1 (en) 2000-07-21 2007-04-10 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with modified conditional access functionality
US6853728B1 (en) * 2000-07-21 2005-02-08 The Directv Group, Inc. Video on demand pay per view services with unmodified conditional access functionality
US7457414B1 (en) 2000-07-21 2008-11-25 The Directv Group, Inc. Super encrypted storage and retrieval of media programs with smartcard generated keys
US7203311B1 (en) 2000-07-21 2007-04-10 The Directv Group, Inc. Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device
US7242772B1 (en) 2000-09-07 2007-07-10 Eastman Kodak Company Encryption apparatus and method for synchronizing multiple encryption keys with a data stream
JP2002133765A (ja) * 2000-10-20 2002-05-10 Pioneer Electronic Corp 情報記録装置、情報記録方法、情報再生装置、情報再生方法及び情報記録媒体
KR100386238B1 (ko) * 2001-01-19 2003-06-02 엘지전자 주식회사 디지탈 오디오 복제 방지장치 및 방법
US7181017B1 (en) 2001-03-23 2007-02-20 David Felsher System and method for secure three-party communications
US7747853B2 (en) 2001-06-06 2010-06-29 Sony Corporation IP delivery of secure digital content
US7127619B2 (en) * 2001-06-06 2006-10-24 Sony Corporation Decoding and decryption of partially encrypted information
US7350082B2 (en) * 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
US7895616B2 (en) * 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
KR100408287B1 (ko) * 2001-06-15 2003-12-03 삼성전자주식회사 컨텐트 보호 시스템 및 방법
US7039955B2 (en) 2001-09-14 2006-05-02 The Directv Group, Inc. Embedded blacklisting for digital broadcast system security
US7797552B2 (en) * 2001-09-21 2010-09-14 The Directv Group, Inc. Method and apparatus for controlling paired operation of a conditional access module and an integrated receiver and decoder
US7409562B2 (en) * 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
US20030088773A1 (en) * 2001-11-07 2003-05-08 Koninklijke Philips Electronics N. V. Method of and apparatus for preventing illicit copying of digital content
US7155012B2 (en) * 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7215770B2 (en) * 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
US7302059B2 (en) * 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US7218738B2 (en) * 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
US7376233B2 (en) * 2002-01-02 2008-05-20 Sony Corporation Video slice and active region based multiple partial encryption
US7242773B2 (en) * 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
US7233669B2 (en) * 2002-01-02 2007-06-19 Sony Corporation Selective encryption to enable multiple decryption keys
US7039938B2 (en) * 2002-01-02 2006-05-02 Sony Corporation Selective encryption for video on demand
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
EP1502437B1 (de) * 2002-02-22 2010-06-02 NDS Limited Verarbeitung von verschlüsseltem datenpaketstrom
US7167574B2 (en) * 2002-03-14 2007-01-23 Seiko Epson Corporation Method and apparatus for content-based image copy detection
JP3769236B2 (ja) * 2002-03-15 2006-04-19 株式会社東芝 デジタル情報記録再生システム
US6873905B2 (en) * 2002-03-19 2005-03-29 Opnext Japan, Inc. Communications type navigation device
US7530084B2 (en) * 2002-05-28 2009-05-05 Sony Corporation Method and apparatus for synchronizing dynamic graphics
US20090180025A1 (en) * 2002-05-28 2009-07-16 Sony Corporation Method and apparatus for overlaying graphics on video
JP3737462B2 (ja) * 2002-07-30 2006-01-18 ソニー・エリクソン・モバイルコミュニケーションズ株式会社 情報処理システム、情報通信端末および方法、情報処理装置および方法、記録媒体、並びにプログラム
US8818896B2 (en) * 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
US7398008B2 (en) * 2002-09-19 2008-07-08 Hewlett-Packard Development Company, L.P. Copy protection for analog video signals from computing devices
US7724907B2 (en) * 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US8572408B2 (en) * 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
CN100377684C (zh) * 2002-11-15 2008-04-02 乐金电子(天津)电器有限公司 蒸气喷射吸尘器
US7225458B2 (en) * 2002-11-21 2007-05-29 The Directv Group, Inc. Method and apparatus for ensuring reception of conditional access information in multi-tuner receivers
US7000241B2 (en) * 2002-11-21 2006-02-14 The Directv Group, Inc. Method and apparatus for minimizing conditional access information overhead while ensuring conditional access information reception in multi-tuner receivers
US8667525B2 (en) * 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
US8645988B2 (en) * 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
US20040165586A1 (en) * 2003-02-24 2004-08-26 Read Christopher Jensen PID filters based network routing
US7409702B2 (en) * 2003-03-20 2008-08-05 Sony Corporation Auxiliary program association table
KR100974448B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
KR20040092649A (ko) * 2003-04-24 2004-11-04 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
US7532804B2 (en) * 2003-06-23 2009-05-12 Seiko Epson Corporation Method and apparatus for video copy detection
JP4710607B2 (ja) * 2003-07-14 2011-06-29 ソニー株式会社 暗号装置、暗号方法および暗号プログラム、復号装置、復号方法および復号プログラム、ならびに、記録媒体
FR2857813A1 (fr) * 2003-07-16 2005-01-21 St Microelectronics Sa Methode d'insertion de marques de synchronisation dans un flux video, compatible avec un chiffrage par blocs
US20050036067A1 (en) * 2003-08-05 2005-02-17 Ryal Kim Annon Variable perspective view of video images
US20050066357A1 (en) * 2003-09-22 2005-03-24 Ryal Kim Annon Modifying content rating
US7552334B2 (en) * 2003-09-24 2009-06-23 The Boeing Company System and method for presentation integrity
JP4336957B2 (ja) * 2003-09-30 2009-09-30 日本電気株式会社 トランスポートストリームの暗号化装置及び編集装置並びにこれらの方法
US7853980B2 (en) * 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
US20050097596A1 (en) * 2003-10-31 2005-05-05 Pedlow Leo M.Jr. Re-encrypted delivery of video-on-demand content
US7620180B2 (en) * 2003-11-03 2009-11-17 Sony Corporation Preparation of content for multiple conditional access methods in video on demand
US7346163B2 (en) * 2003-10-31 2008-03-18 Sony Corporation Dynamic composition of pre-encrypted video on demand content
US7263187B2 (en) * 2003-10-31 2007-08-28 Sony Corporation Batch mode session-based encryption of video on demand content
US7343013B2 (en) * 2003-12-16 2008-03-11 Sony Corporation Composite session-based encryption of video on demand content
US20050097597A1 (en) * 2003-10-31 2005-05-05 Pedlow Leo M.Jr. Hybrid storage of video on demand content
US20050102702A1 (en) * 2003-11-12 2005-05-12 Candelore Brant L. Cablecard with content manipulation
US7831044B2 (en) * 2003-11-14 2010-11-09 Panasonic Corporation Data processing device
US7548624B2 (en) * 2004-01-16 2009-06-16 The Directv Group, Inc. Distribution of broadcast content for remote decryption and viewing
US7580523B2 (en) * 2004-01-16 2009-08-25 The Directv Group, Inc. Distribution of video content using client to host pairing of integrated receivers/decoders
US7599494B2 (en) * 2004-01-16 2009-10-06 The Directv Group, Inc. Distribution of video content using a trusted network key for sharing content
US20050169473A1 (en) * 2004-02-03 2005-08-04 Candelore Brant L. Multiple selective encryption with DRM
US7801303B2 (en) 2004-03-01 2010-09-21 The Directv Group, Inc. Video on demand in a broadcast network
US7590243B2 (en) * 2004-05-04 2009-09-15 The Directv Group, Inc. Digital media conditional access system for handling digital media content
US7543317B2 (en) 2004-08-17 2009-06-02 The Directv Group, Inc. Service activation of set-top box functionality using broadcast conditional access system
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
US7895617B2 (en) * 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
US7486827B2 (en) * 2005-01-21 2009-02-03 Seiko Epson Corporation Efficient and robust algorithm for video sequence matching
JP4706278B2 (ja) * 2005-02-24 2011-06-22 ソニー株式会社 情報処理システム、再生端末装置および再生方法、情報処理装置および方法、並びにプログラム
US8429004B2 (en) * 2005-04-13 2013-04-23 Store Eyes, Inc. Method and system for automatically measuring retail store display compliance
US7840489B2 (en) * 2005-07-01 2010-11-23 Sony Corporation Key sharing for DRM interoperability
US9325944B2 (en) 2005-08-11 2016-04-26 The Directv Group, Inc. Secure delivery of program content via a removable storage medium
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US8185921B2 (en) 2006-02-28 2012-05-22 Sony Corporation Parental control of displayed content using closed captioning
US7555464B2 (en) * 2006-03-01 2009-06-30 Sony Corporation Multiple DRM management
US8775319B2 (en) 2006-05-15 2014-07-08 The Directv Group, Inc. Secure content transfer systems and methods to operate the same
US8095466B2 (en) 2006-05-15 2012-01-10 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at content servers in pay delivery systems
US8001565B2 (en) 2006-05-15 2011-08-16 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at receivers in pay delivery systems
US8275132B2 (en) * 2006-05-15 2012-09-25 Buchen Neil B System and method for dynamically allocating stream identifiers in a multi-encryption transport system
US7992175B2 (en) 2006-05-15 2011-08-02 The Directv Group, Inc. Methods and apparatus to provide content on demand in content broadcast systems
US8996421B2 (en) 2006-05-15 2015-03-31 The Directv Group, Inc. Methods and apparatus to conditionally authorize content delivery at broadcast headends in pay delivery systems
US9178693B2 (en) 2006-08-04 2015-11-03 The Directv Group, Inc. Distributed media-protection systems and methods to operate the same
US9225761B2 (en) 2006-08-04 2015-12-29 The Directv Group, Inc. Distributed media-aggregation systems and methods to operate the same
CN101014129B (zh) * 2007-03-06 2010-12-15 孟智平 一种视频数据压缩方法
US7917747B2 (en) * 2007-03-22 2011-03-29 Igt Multi-party encryption systems and methods
US8175916B2 (en) * 2007-03-30 2012-05-08 Sharp Kabushiki Kaisha Image forming system and image forming apparatus
JP4876082B2 (ja) * 2008-01-28 2012-02-15 株式会社日立製作所 記録装置及び記録方法
US9535994B1 (en) 2010-03-26 2017-01-03 Jonathan Grier Method and system for forensic investigation of data access
US8997172B2 (en) * 2010-11-08 2015-03-31 Citrix Systems, Inc. Controlling information disclosure during application streaming and publishing
US20120134529A1 (en) * 2010-11-28 2012-05-31 Pedro Javier Vazquez Method and apparatus for applying of a watermark to a video during download
US20120210447A1 (en) * 2010-11-28 2012-08-16 Pedro Javier Vazquez Secure video download method
US20130117961A1 (en) * 2010-12-01 2013-05-16 Techtronic Floor Care Technology Limited Wheel assembly for a vacuum cleaner
JP2012016053A (ja) * 2011-09-02 2012-01-19 Hitachi Consumer Electronics Co Ltd ディジタル信号処理装置
US9008308B2 (en) * 2012-02-08 2015-04-14 Vixs Systems, Inc Container agnostic decryption device and methods for use therewith
KR20230156433A (ko) 2014-08-07 2023-11-14 디빅스, 엘엘씨 독립적으로 인코딩된 타일을 포함한 기본 비트스트림을 보호하는 시스템 및 방법
CN105576589B (zh) * 2014-10-14 2018-02-02 北京星光影视设备科技股份有限公司 随动收放卷缆器阻尼装置
JP2018011645A (ja) * 2016-07-19 2018-01-25 日立アプライアンス株式会社 電気掃除機
CN108652512A (zh) * 2018-04-28 2018-10-16 深圳龙图腾创新设计有限公司 一种家用型玻璃外表面清洁装置
CN111685644B (zh) * 2020-06-23 2021-06-29 泰州鸿材科技有限公司 一种具有自动收放线功能的吸尘器及其使用方法
CN113511564A (zh) * 2020-08-27 2021-10-19 苏州市春菊电器有限公司 一种一键收线的卷线器结构

Family Cites Families (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753228A (en) 1971-12-29 1973-08-14 Westinghouse Air Brake Co Synchronizing arrangement for digital data transmission systems
US4405829A (en) 1977-12-14 1983-09-20 Massachusetts Institute Of Technology Cryptographic communications system and method
US4420829A (en) 1981-01-08 1983-12-13 Carlson John E Holographic system for the storage of audio, video and computer data
US4571642A (en) 1981-08-24 1986-02-18 Hofstein Steven R Method of and apparatus for modifying a video signal to prevent the unauthorized recording and reproduction thereof
USRE33189E (en) 1981-11-19 1990-03-27 Communications Satellite Corporation Security system for SSTV encryption
JPS59117395A (ja) 1982-12-24 1984-07-06 Hitachi Ltd 端末処理装置
EP0148235B1 (de) 1983-06-30 1988-10-05 Independent Broadcasting Authority Chiffriertes fernsehrundfunksystem
DE3470646D1 (en) 1983-07-22 1988-05-26 Indep Broadcasting Authority Security system for television signal encryption
US4577216A (en) 1983-11-14 1986-03-18 Macrovision Method and apparatus for modifying the color burst to prohibit videotape recording
US4819098A (en) 1983-11-23 1989-04-04 Macrovision Corporation Method and apparatus for clustering modifications made to a video signal to inhibit the making of acceptable videotape recordings
US4694489A (en) 1983-12-22 1987-09-15 Frederiksen Jeffrey E Video transmission system
US4890319A (en) 1984-09-21 1989-12-26 Scientific-Atlantic, Inc. Method for controlling copying of protected information transmitted over a communications link
GB2180127B (en) 1985-09-04 1989-08-23 Philips Electronic Associated Method of data communication
US4937679A (en) * 1986-08-11 1990-06-26 Macrovision Dual deck video recording apparatus having enhanced copy protection and method for providing enhanced copy protection to such a recording apparatus
US4916738A (en) 1986-11-05 1990-04-10 International Business Machines Corp. Remote access terminal security
US4817140A (en) 1986-11-05 1989-03-28 International Business Machines Corp. Software protection system using a single-key cryptosystem, a hardware-based authorization system and a secure coprocessor
US5109413A (en) 1986-11-05 1992-04-28 International Business Machines Corporation Manipulating rights-to-execute in connection with a software copy protection mechanism
EP0267039A3 (de) 1986-11-05 1990-04-04 Satellite Technology Services, Inc. Videosystem und Verfahren für das Überwachte Aufnehmen von Videosignalen
US4796220A (en) 1986-12-15 1989-01-03 Pride Software Development Corp. Method of controlling the copying of software
EP0297539B1 (de) 1987-06-30 1993-09-01 Kabushiki Kaisha Toshiba Aufzeichnungssteuergerät
DE3851724T2 (de) * 1987-07-08 1995-05-04 Matsushita Electric Ind Co Ltd Verfahren und Gerät zum Schutz von Kopiersignalen.
US4999806A (en) 1987-09-04 1991-03-12 Fred Chernow Software distribution system
US4924513A (en) 1987-09-25 1990-05-08 Digital Equipment Corporation Apparatus and method for secure transmission of data over an unsecure transmission channel
US5057947A (en) 1988-02-10 1991-10-15 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
US5231546A (en) 1988-02-10 1993-07-27 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
JPH0823971B2 (ja) 1988-04-08 1996-03-06 日本ビクター株式会社 符号訂正装置
US4914694A (en) * 1988-04-11 1990-04-03 Eidak Corporation Modifying a television signal to inhibit recording/reproduction
US4871140A (en) 1988-05-20 1989-10-03 Moore Push-Pin Company Hanging device
FR2643529B1 (fr) 1989-02-22 1991-06-07 Kudelski Sa Fabr Enregistr Nag Systeme de television a peage utilisant une carte a memoire associee a un decodeur
GB8904912D0 (en) 1989-03-03 1989-04-12 Carlyle Investments Limited Telephone support device
US5907443A (en) 1990-05-30 1999-05-25 Canon Kabushiki Kaisha Recording and reproducing apparatus adapted to selectively control the number of copies made
US4964164A (en) 1989-08-07 1990-10-16 Algorithmic Research, Ltd. RSA computation method for efficient batch processing
US5034985A (en) 1989-11-13 1991-07-23 Pitney Bowes Inc. Matched mailing system employing address print array recognition
JPH0727715B2 (ja) 1989-11-24 1995-03-29 シャープ株式会社 ディジタルオーディオインターフェイス信号中継装置
US5003590A (en) * 1989-12-18 1991-03-26 Eidak Corporation Encoding an optical video disc to inhibit video tape recording
JPH03214834A (ja) 1990-01-19 1991-09-20 Canon Inc マルチメデイアネツトワークシステム
JP2751533B2 (ja) 1990-02-26 1998-05-18 ソニー株式会社 記録制御装置
SE464271B (sv) 1990-03-23 1991-03-25 Televerket Foerfarande och anordning foer kryptering/dekryptering av digitalt flerljud i teve
US5054064A (en) * 1990-03-29 1991-10-01 Gte Laboratories Incorporated Video control system for recorded programs
US5058162A (en) 1990-08-09 1991-10-15 Hewlett-Packard Company Method of distributing computer data files
DE4030026A1 (de) 1990-09-22 1992-03-26 Kodak Ag Vorrichtung zur begrenzung einer drehbewegung
US5193176A (en) 1990-10-17 1993-03-09 Powercard Supply C.A. Computer work saving during power interruption
EP0498617B1 (de) 1991-02-07 1998-05-06 Matsushita Electric Industrial Co., Ltd. Verfahren und Vorrichtung zur Übertragung und Reproduktion von einem digitalen Signal
JPH04278262A (ja) 1991-03-05 1992-10-02 Sony Corp ディジタル信号記録再生装置
US5138659A (en) 1991-05-02 1992-08-11 General Instrument Corporation Conversion of television signal formats with retention of common control data stream
US5303294A (en) * 1991-06-18 1994-04-12 Matsushita Electric Industrial Co., Ltd. Video theater system and copy preventive method
US5260999A (en) 1991-06-28 1993-11-09 Digital Equipment Corporation Filters in license management system
US5265164A (en) 1991-10-31 1993-11-23 International Business Machines Corporation Cryptographic facility environment backup/restore and replication in a public key cryptosystem
JP3341291B2 (ja) * 1991-11-22 2002-11-05 ソニー株式会社 受信装置
US5956505A (en) 1991-12-24 1999-09-21 Pitney Bowes Inc. Remote activation of software features in a data processing device
US5215448A (en) * 1991-12-26 1993-06-01 Ingersoll-Dresser Pump Company Combined boiler feed and condensate pump
JP3073590B2 (ja) 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
FI96157C (fi) 1992-04-27 1996-05-10 Nokia Mobile Phones Ltd Digitaalinen, solukkorakenteinen aikajakokanavointiin perustuva radiopuhelinverkko radioyhteyden siirtämiseksi tukiasemalta uudelle tukiasemalle
JPH0670282A (ja) 1992-06-16 1994-03-11 Matsushita Electric Ind Co Ltd 映像信号記録再生装置
US5289276A (en) 1992-06-19 1994-02-22 General Electric Company Method and apparatus for conveying compressed video data over a noisy communication channel
EP0582122B1 (de) * 1992-07-21 1999-03-24 Matsushita Electric Industrial Co., Ltd. Ver- und Entschlüsselungsvorrichtung
JPH0644755A (ja) 1992-07-24 1994-02-18 Sony Corp ビデオ信号の伝送方法及び記録装置
JP3217137B2 (ja) 1992-07-28 2001-10-09 株式会社日立製作所 映像信号記録装置、再生装置及び伝送装置
US5590306A (en) 1992-09-08 1996-12-31 Fuji Photo Film Co., Ltd. Memory card management system for writing data with usage and recording codes made significant
JP3010930B2 (ja) * 1992-09-24 2000-02-21 松下電器産業株式会社 記録再生装置
JP3303368B2 (ja) 1992-11-20 2002-07-22 ソニー株式会社 伝送装置及び方法、伝送システム
US5477276A (en) * 1992-12-17 1995-12-19 Sony Corporation Digital signal processing apparatus for achieving fade-in and fade-out effects on digital video signals
JP3194638B2 (ja) 1993-01-07 2001-07-30 ペルメレック電極株式会社 液中推進装置
US5315448A (en) * 1993-03-18 1994-05-24 Macrovision Corporation Copy protection for hybrid digital video tape recording and unprotected source material
FR2703552A1 (fr) 1993-03-31 1994-10-07 Philips Electronics Nv Procédé et dispositif pour l'embrouillage et le désembrouillage d'une émission déterminée de télévision.
JP3250333B2 (ja) 1993-04-02 2002-01-28 ソニー株式会社 映像信号処理方法、映像信号記録方法、映像信号再生方法、映像信号処理装置、映像信号記録装置及び映像信号再生装置
JP3581377B2 (ja) 1993-04-06 2004-10-27 ソニー株式会社 ディジタル多重伝送方法と装置
US5757910A (en) * 1993-04-06 1998-05-26 Goldstar Co., Ltd. Apparatus for preventing illegal copying of a digital broadcasting signal
US5546461A (en) * 1993-04-09 1996-08-13 Matsushita Electric Industrial Co., Ltd. Scramble system for use in digital video signal recording and reproducing system or transmission and receiving system, comprising scramble apparatus and descramble apparatus
US5442541A (en) 1993-07-23 1995-08-15 Xerox Corporation Enabling features over common communication channel
US5381481A (en) 1993-08-04 1995-01-10 Scientific-Atlanta, Inc. Method and apparatus for uniquely encrypting a plurality of services at a transmission site
FR2710223A1 (fr) 1993-09-15 1995-03-24 Philips Electronics Nv Procédé pour l'embrouillage et le désembrouillage en télévision, et émetteur et récepteur utilisant ce procédé.
US5646992A (en) 1993-09-23 1997-07-08 Digital Delivery, Inc. Assembly, distribution, and use of digital information
JP3500671B2 (ja) 1993-10-08 2004-02-23 ソニー株式会社 ディジタル画像信号の記録及び／又は再生方法、記録及び／又は再生装置及び記録媒体
US5576843A (en) * 1993-10-29 1996-11-19 Time Warner Entertainment Co., L.P. System and method for controlling play of multiple dialog audio tracks of a software carrier
JP2927163B2 (ja) 1993-11-30 1999-07-28 日本ビクター株式会社 情報信号記録方法及び情報信号記録装置
US5495411A (en) 1993-12-22 1996-02-27 Ananda; Mohan Secure software rental system using continuous asynchronous password verification
US5504816A (en) 1994-02-02 1996-04-02 Gi Corporation Method and apparatus for controlling access to digital signals
JP3321972B2 (ja) 1994-02-15 2002-09-09 ソニー株式会社 ディジタル信号記録装置
US5881038A (en) * 1994-04-18 1999-03-09 Matsushita Electric Industrial Co., Ltd. Method and apparatus for preventing illegal copy or illegal installation of information of optical recording medium
US5563946A (en) 1994-04-25 1996-10-08 International Business Machines Corporation Method and apparatus for enabling trial period use of software products: method and apparatus for passing encrypted files between data processing systems
US5659613A (en) 1994-06-29 1997-08-19 Macrovision Corporation Method and apparatus for copy protection for various recording media using a video finger print
US5513260A (en) * 1994-06-29 1996-04-30 Macrovision Corporation Method and apparatus for copy protection for various recording media
US5574787A (en) 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5629980A (en) 1994-11-23 1997-05-13 Xerox Corporation System for controlling the distribution and use of digital works
JPH08263438A (ja) 1994-11-23 1996-10-11 Xerox Corp ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法
US5715403A (en) 1994-11-23 1998-02-03 Xerox Corporation System for controlling the distribution and use of digital works having attached usage rights where the usage rights are defined by a usage rights grammar
KR0152788B1 (ko) * 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
KR0136458B1 (ko) * 1994-12-08 1998-05-15 구자홍 디지탈 자기 기록재생 시스템의 복사 방지장치
ATE441897T1 (de) 1995-02-13 2009-09-15 Intertrust Tech Corp Systeme und verfahren zur verwaltung von gesicherten transaktionen und zum schutz von elektronischen rechten
DE69631393T2 (de) 1995-03-29 2004-10-21 Hitachi Ltd Dekoder für komprimierte und multiplexierte Bild- und Audiodaten
JP3617115B2 (ja) * 1995-03-31 2005-02-02 ソニー株式会社 ビデオ信号処理装置および処理方法
US5703859A (en) 1995-09-01 1997-12-30 Sony Corporation Digital video copy protection system
KR0166923B1 (ko) 1995-09-18 1999-03-20 구자홍 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치
US5689561A (en) 1995-10-06 1997-11-18 Pace; Michael Computer-based trading card system and method
KR0186210B1 (ko) * 1995-11-10 1999-04-15 구자홍 디지탈 데이터의 저작권 보호와 변속 재생을 위한 자기 기록 테이프의 기록방법
US5790664A (en) 1996-02-26 1998-08-04 Network Engineering Software, Inc. Automated system for management of licensed software
US5925127A (en) 1997-04-09 1999-07-20 Microsoft Corporation Method and system for monitoring the use of rented software
KR20010005574A (ko) 1998-01-23 2001-01-15 요트.게.아. 롤페즈 조건 억세스
US6009401A (en) 1998-04-06 1999-12-28 Preview Systems, Inc. Relicensing of electronically purchased software
US7069250B2 (en) 2001-10-15 2006-06-27 Payformance Corporation Check based online payment and verification system and method
DE20219124U1 (de) 2002-12-10 2003-04-17 Trw Automotive Safety Sys Gmbh Kontrollsystem für Rastverbindungen
US9626667B2 (en) * 2005-10-18 2017-04-18 Intertrust Technologies Corporation Digital rights management engine systems and methods
US20070204078A1 (en) * 2006-02-09 2007-08-30 Intertrust Technologies Corporation Digital rights management engine systems and methods

Also Published As

Publication number Publication date
CN1268127C (zh) 2006-08-02
CN1822667B (zh) 2014-03-12
JP2824231B2 (ja) 1998-11-11
USRE42950E1 (en) 2011-11-22
HK1092627A1 (en) 2007-02-09
US6028932A (en) 2000-02-22
US5761302A (en) 1998-06-02
CN1150737A (zh) 1997-05-28
CN1268126C (zh) 2006-08-02
USRE42922E1 (en) 2011-11-15
EP0717564A2 (de) 1996-06-19
US6347144B1 (en) 2002-02-12
JPH08252200A (ja) 1996-10-01
CN1567993B (zh) 2012-03-28
CN1567993A (zh) 2005-01-19
CN1505399A (zh) 2004-06-16
KR0152788B1 (ko) 1998-10-15
CN1822167A (zh) 2006-08-23
CN1801919A (zh) 2006-07-12
CN1822668A (zh) 2006-08-23
HK1069049A1 (en) 2005-05-06
HK1092626A1 (en) 2007-02-09
CN1822668B (zh) 2014-06-25
HK1068000A1 (en) 2005-04-22
CN1145576C (zh) 2004-04-14
USRE42921E1 (en) 2011-11-15
EP0717564B1 (de) 2001-08-29
CN1516464A (zh) 2004-07-28
CN1131528A (zh) 1996-09-25
CN1822667A (zh) 2006-08-23
JP2898591B2 (ja) 1999-06-02
CN1822168A (zh) 2006-08-23
CN1822166A (zh) 2006-08-23
CN1123226C (zh) 2003-10-01
USRE42951E1 (en) 2011-11-22
HK1066131A1 (en) 2005-03-11
USRE41074E1 (en) 2010-01-12
KR960019110A (ko) 1996-06-17
USRE39319E1 (en) 2006-10-03
JPH08273299A (ja) 1996-10-18
EP0717564A3 (de) 1997-07-16

Similar Documents

Publication Publication Date Title
DE69522424D1 (de) Kopierverhinderungsverfahren und Kopierverhinderungsvorrichtung für ein digitales Videosystem
DE69526619T2 (de) Steueranlage und -verfahren für Audio-/Videosystem
DE69503649D1 (de) System und verfahren zum abschöpfen von digitalen audio/video-daten
DE69417833D1 (de) Farbtrennungsgerät und Verfahren für digitales Fernsehen
DE69526953D1 (de) System und verfahren zum fernanrufwecken
DE69514738T2 (de) Bildkompensationssystem für Videogeräte und Verfahren dafür
DE69526048T2 (de) Verfahren und Gerät zur Videodatenverwaltung
GB2286944B (en) System and method for selecting photographic images
IL119566A0 (en) Digital audio system and method for its use
DE59712802D1 (de) Digitales Datenübertragungsnetz und Verfahren zum Betreiben des Datenübertragungsnetzes
DE69427279D1 (de) Aufzeichungsgerät und Bildaufnahmeverfahren für Bildaufnahmeparameter
DE69711134D1 (de) Übertragungssystem und Übertragungsverfahren für ein Übertragungssystem
EP0751446A3 (de) Verfahren und Vorrichtung zur Ueberwachung von Systemeinheiten
DE69724190D1 (de) Bildaufzeichnungs- Vorrichtung und Verfahren
GB2311650B (en) Charged-beam exposure system and charged-beam exposure method
GB2289780B (en) Difference recording apparatus and method
DE19781950T1 (de) Gerät und Verfahren für ein Telekommunikationssystem
DE69525792D1 (de) Fernsteuerverfahren für Kamera und Fernsteuervorrichtung dafür
DE69514949T2 (de) Bildaufzeichnungsvorrichtung und Verfahren dafür
KR970705291A (ko) 비디오 방송용 장치 및 방법(apparatus and method for video broadcasting)
GB9723663D0 (en) System and method for blocking a lens
DE69706987T2 (de) Speichersystem und speicherverfahren für ein verteiltes speichersystem
GB2296618B (en) System and method for digital video decoding
HUP9901127A3 (en) A method and device for obtaining reserve time for a cooling system
HK1024752A1 (en) Photographic apparatus and method

Legal Events

Date Code Title Description
8332 No legal effect for de