DE69527458D1 - Verfahren und Vorrichtung zur Übertragung/Empfang eines verschlüsselten digitalen Signales - Google Patents
Verfahren und Vorrichtung zur Übertragung/Empfang eines verschlüsselten digitalen SignalesInfo
- Publication number
- DE69527458D1 DE69527458D1 DE69527458T DE69527458T DE69527458D1 DE 69527458 D1 DE69527458 D1 DE 69527458D1 DE 69527458 T DE69527458 T DE 69527458T DE 69527458 T DE69527458 T DE 69527458T DE 69527458 D1 DE69527458 D1 DE 69527458D1
- Authority
- DE
- Germany
- Prior art keywords
- transmitting
- receiving
- digital signal
- encrypted digital
- encrypted
- 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
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
-
- 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
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
-
- 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
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/937—Regeneration of the television signal or of selected parts thereof by assembling picture element blocks in an intermediate store
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6056945A JPH07273758A (ja) | 1994-03-28 | 1994-03-28 | ディジタル情報送受信および記録再生システムおよび装置 |
JP6357994A JPH07272346A (ja) | 1994-03-31 | 1994-03-31 | ディジタル情報記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69527458D1 true DE69527458D1 (de) | 2002-08-29 |
DE69527458T2 DE69527458T2 (de) | 2003-05-08 |
Family
ID=26397951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69527458T Expired - Lifetime DE69527458T2 (de) | 1994-03-28 | 1995-03-27 | Verfahren und Vorrichtung zur Übertragung/Empfang eines verschlüsselten digitalen Signales |
Country Status (5)
Country | Link |
---|---|
US (1) | US5719943A (de) |
EP (1) | EP0675655B1 (de) |
KR (1) | KR0180542B1 (de) |
DE (1) | DE69527458T2 (de) |
MY (1) | MY111825A (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG34287A1 (en) * | 1994-10-28 | 1996-12-06 | Hitachi Ltd | Input-output circuit recording apparatus and reproduction apparatus for digital video signal |
US20060206397A1 (en) * | 1995-02-13 | 2006-09-14 | Intertrust Technologies Corp. | Cryptographic methods, apparatus and systems for storage media electronic right management in closed and connected appliances |
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 |
DE69623170T2 (de) | 1995-04-27 | 2003-05-15 | Hitachi Ltd | Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen |
EP0755055B1 (de) * | 1995-07-14 | 2002-01-16 | Sony Corporation | Übertragung, Aufzeichnung und Wiedergabe von Daten |
US5956034A (en) * | 1996-08-13 | 1999-09-21 | Softbook Press, Inc. | Method and apparatus for viewing electronic reading materials |
US6912652B2 (en) * | 1996-11-08 | 2005-06-28 | Monolith Co., Ltd. | Method and apparatus for imprinting ID information into a digital content and for reading out the same |
US20060020806A1 (en) * | 1996-11-08 | 2006-01-26 | Monolith Co., Ltd. | Method and apparatus for imprinting ID information into a digital content and for reading out the same |
US5978649A (en) * | 1996-12-27 | 1999-11-02 | Hughes Electronics Corporation | Method and apparatus for dynamic conditional channel authorization in a broadcast system |
JP3454653B2 (ja) * | 1996-12-27 | 2003-10-06 | 矢崎総業株式会社 | データ送信装置、データ受信装置、データ通信装置、及びデータ通信方法 |
JP2000509588A (ja) * | 1997-01-27 | 2000-07-25 | 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 | コンテンツ情報及びそれに関連する補足情報を転送する方法及びシステム |
US6324592B1 (en) * | 1997-02-25 | 2001-11-27 | Keystone Aerospace | Apparatus and method for a mobile computer architecture and input/output management system |
US6278807B1 (en) * | 1997-11-13 | 2001-08-21 | Kabushiki Kaisha Toshiba | Data recording/reproducing apparatus, data recording/reproducing method applied to the apparatus, and computer program product used in data processing apparatus |
JP3358532B2 (ja) * | 1998-04-27 | 2002-12-24 | 日本電気株式会社 | 電子すかしを利用した受信装置 |
JP4232059B2 (ja) * | 1998-06-18 | 2009-03-04 | ソニー株式会社 | 情報送信装置および方法、並びに記録媒体 |
US6275934B1 (en) | 1998-10-16 | 2001-08-14 | Soft Book Press, Inc. | Authentication for information exchange over a communication network |
US6351750B1 (en) | 1998-10-16 | 2002-02-26 | Softbook Press, Inc. | Dynamic conversion of byte ordering for use on different processor platforms |
US6363418B1 (en) | 1998-10-16 | 2002-03-26 | Softbook Press, Inc. | On-line image caching control for efficient image display |
US6195667B1 (en) | 1998-10-16 | 2001-02-27 | Softbook Press, Inc. | On-line menu updating for an electronic book |
US6314474B1 (en) | 1998-10-16 | 2001-11-06 | Softbook Press, Inc. | Efficient information exchange between an electronic book and a cartridge |
US6600908B1 (en) | 1999-02-04 | 2003-07-29 | Hark C. Chan | Method and system for broadcasting and receiving audio information and associated audio indexes |
US7245707B1 (en) * | 1999-03-26 | 2007-07-17 | Chan Hark C | Data network based telephone messaging system |
US6971119B1 (en) | 1999-03-29 | 2005-11-29 | The Directv Group, Inc. | Method and apparatus for transmission, receipt, caching and display of one-way broadcast programming and data |
JP2000322825A (ja) * | 1999-05-13 | 2000-11-24 | Hitachi Ltd | ディジタル信号記録装置 |
EP1100266A3 (de) * | 1999-11-10 | 2004-10-06 | Hughes Electronics Corporation | Verfahren und Vorrichtung zum Hintergrundzwischenspeichern von verschlüsselten Programmdaten für spätere Wiedergabe |
US6961430B1 (en) | 1999-11-10 | 2005-11-01 | The Directv Group, Inc. | Method and apparatus for background caching of encrypted programming data for later playback |
US7437318B2 (en) * | 2001-03-30 | 2008-10-14 | Gemstar Ebook Group Limited | Systems and methods for electronic off-line catalog |
US7421411B2 (en) * | 2001-07-06 | 2008-09-02 | Nokia Corporation | Digital rights management in a mobile communications environment |
CN101051894A (zh) * | 2002-05-10 | 2007-10-10 | 索尼株式会社 | 数据传送和接收方法及装置 |
US7835520B2 (en) * | 2003-02-20 | 2010-11-16 | Zoran Corporation | Unique identifier per chip for digital audio/video data encryption/decryption in personal video recorders |
US7580671B2 (en) * | 2006-05-02 | 2009-08-25 | Freescale Semiconductor, Inc. | Audio system, radio record module and methods for use therewith |
US7596351B2 (en) * | 2006-05-02 | 2009-09-29 | Freescale Semiconductor, Inc. | Audio system, radio record module and methods for use therewith |
CN103031903A (zh) * | 2011-10-10 | 2013-04-10 | 湖南华廷筑邦建材有限公司 | 一种现浇钢筋砼保温墙 |
EP2991360B1 (de) * | 2014-08-27 | 2020-04-29 | Sky Italia S.R.L. | Satelliten-tv-empfänger |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2518345B1 (fr) * | 1981-12-16 | 1986-10-10 | Gremillet Jacques | Procede de teledistribution d'informations enregistrees, notamment d'oeuvres musicales, et systeme de mise en oeuvre |
US4945563A (en) * | 1986-11-05 | 1990-07-31 | Satellite Technology Services, Inc. | Video system and method for controlled viewing and videotaping |
GB8809514D0 (en) * | 1988-04-22 | 1988-05-25 | British Broadcasting Corp | Remote control system for downloading |
US5134496A (en) * | 1989-05-26 | 1992-07-28 | Technicolor Videocassette Of Michigan Inc. | Bilateral anti-copying device for video systems |
US5237610A (en) * | 1990-02-01 | 1993-08-17 | Scientific-Atlanta, Inc. | Independent external security module for a digitally upgradeable television signal decoder |
US4991208A (en) * | 1990-03-29 | 1991-02-05 | Gte Laboratories Incorporated | Video control system having session encryption key |
DE69121444T2 (de) * | 1990-03-29 | 1997-03-13 | Gte Laboratories Inc | Überwachungssystem für die Übertragung von Videosignalen |
US5046092A (en) * | 1990-03-29 | 1991-09-03 | Gte Laboratories Incorporated | Video control system for transmitted programs |
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 |
JP3010930B2 (ja) * | 1992-09-24 | 2000-02-21 | 松下電器産業株式会社 | 記録再生装置 |
US5497420A (en) * | 1994-02-07 | 1996-03-05 | Le Groupe Vide/ otron Lte/ e | Cable TV system using passwords |
US5555308A (en) * | 1994-11-10 | 1996-09-10 | Angelika R. Levien | Encryption of signals to insure viewership of commercials |
-
1995
- 1995-03-21 MY MYPI95000706A patent/MY111825A/en unknown
- 1995-03-24 US US08/409,804 patent/US5719943A/en not_active Expired - Lifetime
- 1995-03-27 KR KR1019950006516A patent/KR0180542B1/ko not_active IP Right Cessation
- 1995-03-27 EP EP95104480A patent/EP0675655B1/de not_active Expired - Lifetime
- 1995-03-27 DE DE69527458T patent/DE69527458T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0675655B1 (de) | 2002-07-24 |
KR0180542B1 (ko) | 1999-05-01 |
DE69527458T2 (de) | 2003-05-08 |
EP0675655A3 (de) | 1997-09-24 |
EP0675655A2 (de) | 1995-10-04 |
MY111825A (en) | 2001-01-31 |
US5719943A (en) | 1998-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FIPA FROHWITTER INTELLECTUAL PROPERTY AG, 8203, DE |