DE69518715D1 - Empfangsgerät für digitale Signale - Google Patents
Empfangsgerät für digitale SignaleInfo
- Publication number
- DE69518715D1 DE69518715D1 DE69518715T DE69518715T DE69518715D1 DE 69518715 D1 DE69518715 D1 DE 69518715D1 DE 69518715 T DE69518715 T DE 69518715T DE 69518715 T DE69518715 T DE 69518715T DE 69518715 D1 DE69518715 D1 DE 69518715D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- digital signals
- digital
- signals
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
- H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
- H04N21/2351—Processing of additional data, e.g. scrambling of additional data or processing content descriptors involving encryption of additional data
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4348—Demultiplexing of additional data and video streams
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
- H04N21/4353—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream involving decryption of additional data
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28913994 | 1994-10-28 | ||
JP03005695A JP3729529B2 (ja) | 1994-10-28 | 1995-01-25 | デイジタル信号送受信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69518715D1 true DE69518715D1 (de) | 2000-10-12 |
DE69518715T2 DE69518715T2 (de) | 2001-05-23 |
Family
ID=26368324
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69533992T Expired - Lifetime DE69533992T2 (de) | 1994-10-28 | 1995-10-27 | Verfahren und Vorrichtung zur Übertragung von digitalen Signalen |
DE69518715T Expired - Lifetime DE69518715T2 (de) | 1994-10-28 | 1995-10-27 | Empfangsgerät für digitale Signale |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69533992T Expired - Lifetime DE69533992T2 (de) | 1994-10-28 | 1995-10-27 | Verfahren und Vorrichtung zur Übertragung von digitalen Signalen |
Country Status (5)
Country | Link |
---|---|
US (2) | US5721778A (de) |
EP (2) | EP0710025B1 (de) |
JP (3) | JP3729529B2 (de) |
KR (1) | KR100413931B1 (de) |
DE (2) | DE69533992T2 (de) |
Families Citing this family (66)
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USRE38529E1 (en) | 1994-06-24 | 2004-06-08 | Sony Corporation | Scramble/descramble method and apparatus for data broadcasting |
FI100563B (fi) | 1996-01-30 | 1997-12-31 | Nokia Oy Ab | Digitaalisten esitysobjektien salaus lähetyksessä ja tallennuksessa |
US6055314A (en) * | 1996-03-22 | 2000-04-25 | Microsoft Corporation | System and method for secure purchase and delivery of video content programs |
FR2753590B1 (fr) * | 1996-09-19 | 1998-10-30 | Org Europeenne Telecommunications Par Satellite Eutelsat | Dispositif d'emission d'informations numeriques par satellite |
JP3526524B2 (ja) * | 1996-10-31 | 2004-05-17 | 松下電器産業株式会社 | 一方向データ変換装置及び機器認証システム |
US5915018A (en) * | 1996-11-05 | 1999-06-22 | Intel Corporation | Key management system for DVD copyright management |
US6758755B2 (en) | 1996-11-14 | 2004-07-06 | Arcade Planet, Inc. | Prize redemption system for games executed over a wide area network |
US6016348A (en) * | 1996-11-27 | 2000-01-18 | Thomson Consumer Electronics, Inc. | Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data |
JP4497099B2 (ja) * | 1996-11-27 | 2010-07-07 | ソニー株式会社 | 情報伝送装置 |
US5878135A (en) * | 1996-11-27 | 1999-03-02 | Thomson Consumer Electronics, Inc. | Decoding system for processing encrypted broadcast, cable or satellite video data |
JP3804132B2 (ja) * | 1996-11-29 | 2006-08-02 | ソニー株式会社 | データ送信装置、データ暗号化装置、データ送信方法及びデータ暗号化方法 |
KR100429174B1 (ko) * | 1996-12-27 | 2006-09-14 | 엘지전자 주식회사 | 인터넷티브이의통신시스템및방법 |
JPH10224763A (ja) * | 1997-02-06 | 1998-08-21 | Matsushita Electric Ind Co Ltd | 暗号化装置および復号化装置および暗号化復号化装置 |
JP3372018B2 (ja) * | 1997-03-13 | 2003-01-27 | ソニー株式会社 | データ受信装置およびデータ受信方法 |
NZ500194A (en) * | 1997-03-21 | 2000-12-22 | Canal Plus Sa | Broadcasting randomized subscriber entitlement management messages for digital television |
GB2360679B (en) * | 1997-04-04 | 2001-12-12 | Bobry Ruben Kleiman | System for selectively distributing music |
US6385723B1 (en) * | 1997-05-15 | 2002-05-07 | Mondex International Limited | Key transformation unit for an IC card |
JP3389843B2 (ja) | 1997-10-17 | 2003-03-24 | 日本電気株式会社 | 情報処理装置におけるデジタル放送受信システム |
US6490408B1 (en) * | 1997-10-28 | 2002-12-03 | Lg Electronics Inc. | Apparatus and method for determining ID information recorded on an information-stored medium |
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 |
WO1999038164A1 (fr) * | 1998-01-26 | 1999-07-29 | Matsushita Electric Industrial Co., Ltd. | Appareil, procede et systeme d'enregistrement / reproduction de donnees, et supports d'enregistrement de programme |
US6226618B1 (en) * | 1998-08-13 | 2001-05-01 | International Business Machines Corporation | Electronic content delivery system |
US7457415B2 (en) | 1998-08-20 | 2008-11-25 | Akikaze Technologies, Llc | Secure information distribution system utilizing information segment scrambling |
US7532740B2 (en) * | 1998-09-25 | 2009-05-12 | Digimarc Corporation | Method and apparatus for embedding auxiliary information within original data |
WO2000041056A2 (en) * | 1999-01-06 | 2000-07-13 | Digital Video Express, L.P. | Digital content distribution system and method |
US6233682B1 (en) * | 1999-01-22 | 2001-05-15 | Bernhard Fritsch | Distribution of musical products by a web site vendor over the internet |
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KR100841411B1 (ko) * | 2000-03-14 | 2008-06-25 | 소니 가부시끼 가이샤 | 전송장치, 수신장치, 전송방법, 수신방법과 기록매체 |
JP2002057882A (ja) * | 2000-04-21 | 2002-02-22 | Sony Corp | 情報埋め込み装置及び情報埋め込み方法、情報処理装置及び情報処理方法、コンテンツ処理装置及びコンテンツ処理方法、監視装置及び監視方法、並びに、記憶媒体 |
JP2002016919A (ja) | 2000-04-28 | 2002-01-18 | Sony Corp | 情報送信方法及び装置、情報受信方法及び装置、情報記録方法及び装置、並びに、情報記録再生方法及び装置 |
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JP2002016596A (ja) * | 2000-06-29 | 2002-01-18 | Oki Electric Ind Co Ltd | 画像伝送装置及び画像受信装置 |
DE10054941A1 (de) * | 2000-11-06 | 2002-05-29 | Siemens Ag | Verfahren zur sicheren Datenübertrgung zwischen zwei Endgeräten und Vorrichtung zur Durchführung dieses Verfahrens |
US7463738B2 (en) * | 2000-12-20 | 2008-12-09 | Nokia Corporation | Method for providing multimedia files and terminal therefor |
US6647149B2 (en) | 2001-01-03 | 2003-11-11 | Electronics For Imaging, Inc. | Methods and apparatus for securely transmitting and processing digital image data |
WO2002057904A1 (fr) * | 2001-01-19 | 2002-07-25 | Fujitsu Limited | Controleur dote d'un fonction de telechargement |
JP2003005645A (ja) * | 2001-06-19 | 2003-01-08 | Toshitada Kameda | 暗号方法、暗号システム、暗号化装置、復号化装置及びコンピュータプログラム |
KR100435918B1 (ko) * | 2001-11-09 | 2004-06-16 | 주식회사 휴맥스 | 디지털 방송 프로그램에서의 데이터 암호화 기록 방법 |
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DE60208614T2 (de) * | 2002-09-17 | 2006-08-03 | Errikos Pitsos | Verfahren und Vorrichtung zur Bereitstellung einer Liste von öffentlichen Schlüsseln in einem Public-Key-System |
US20040083296A1 (en) * | 2002-10-25 | 2004-04-29 | Metral Max E. | Apparatus and method for controlling user access |
JP4352797B2 (ja) * | 2003-07-07 | 2009-10-28 | ソニー株式会社 | 受信装置および受信方法 |
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KR100677026B1 (ko) | 2005-04-07 | 2007-02-01 | (주)아이티너스 코리아 | 영상 신호 송수신 시스템 및 이에 사용되는 보안 모듈 |
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JP4850585B2 (ja) * | 2006-05-26 | 2012-01-11 | 西日本電信電話株式会社 | 共通暗号化及び復号化方法、共通暗号化及び復号化装置、暗号通信システム、プログラム、及び、記録媒体 |
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US8744081B2 (en) * | 2007-03-22 | 2014-06-03 | Qualcomm Incorporated | System and method for implementing content protection in a wireless digital system |
WO2011024298A1 (ja) * | 2009-08-28 | 2011-03-03 | リプレックス株式会社 | サービスシステム |
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JPH088853A (ja) | 1994-06-24 | 1996-01-12 | Sony Corp | スクランブル装置およびデスクランブル装置 |
US5590202A (en) * | 1995-01-18 | 1996-12-31 | Zenith Electronics Corporation | Countdown system for conditional access module |
US5544161A (en) * | 1995-03-28 | 1996-08-06 | Bell Atlantic Network Services, Inc. | ATM packet demultiplexer for use in full service network having distributed architecture |
-
1995
- 1995-01-25 JP JP03005695A patent/JP3729529B2/ja not_active Expired - Lifetime
- 1995-10-19 US US08/545,032 patent/US5721778A/en not_active Ceased
- 1995-10-27 EP EP95307676A patent/EP0710025B1/de not_active Expired - Lifetime
- 1995-10-27 DE DE69533992T patent/DE69533992T2/de not_active Expired - Lifetime
- 1995-10-27 EP EP00200089A patent/EP0996288B1/de not_active Expired - Lifetime
- 1995-10-27 DE DE69518715T patent/DE69518715T2/de not_active Expired - Lifetime
- 1995-10-28 KR KR1019950039265A patent/KR100413931B1/ko not_active IP Right Cessation
-
2000
- 2000-02-23 US US09/511,672 patent/USRE38236E1/en not_active Expired - Lifetime
- 2000-03-30 JP JP2000097890A patent/JP3871492B2/ja not_active Expired - Lifetime
-
2002
- 2002-04-09 JP JP2002107027A patent/JP3871600B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0996288B1 (de) | 2005-02-02 |
DE69518715T2 (de) | 2001-05-23 |
EP0996288A3 (de) | 2000-12-20 |
JP2003046497A (ja) | 2003-02-14 |
JP3871492B2 (ja) | 2007-01-24 |
USRE38236E1 (en) | 2003-08-26 |
JP2000316144A (ja) | 2000-11-14 |
KR960016235A (ko) | 1996-05-22 |
EP0996288A2 (de) | 2000-04-26 |
DE69533992T2 (de) | 2006-01-05 |
JP3871600B2 (ja) | 2007-01-24 |
EP0710025A1 (de) | 1996-05-01 |
DE69533992D1 (de) | 2005-03-10 |
EP0710025B1 (de) | 2000-09-06 |
US5721778A (en) | 1998-02-24 |
JPH08181689A (ja) | 1996-07-12 |
JP3729529B2 (ja) | 2005-12-21 |
KR100413931B1 (ko) | 2004-04-03 |
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