DE69312835T2 - Aufzeichnungs- und Wiedergabegerät - Google Patents

Aufzeichnungs- und Wiedergabegerät

Info

Publication number
DE69312835T2
DE69312835T2 DE69312835T DE69312835T DE69312835T2 DE 69312835 T2 DE69312835 T2 DE 69312835T2 DE 69312835 T DE69312835 T DE 69312835T DE 69312835 T DE69312835 T DE 69312835T DE 69312835 T2 DE69312835 T2 DE 69312835T2
Authority
DE
Germany
Prior art keywords
recording
playback device
playback
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 - Fee Related
Application number
DE69312835T
Other languages
English (en)
Other versions
DE69312835D1 (de
Inventor
Susumu Yamaguchi
Chiyoko Matsumi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69312835D1 publication Critical patent/DE69312835D1/de
Application granted granted Critical
Publication of DE69312835T2 publication Critical patent/DE69312835T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • 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
    • H04N21/4334—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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • 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
    • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
    • H04N5/9206—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being a character code 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
    • H04N7/1675—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
    • 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
DE69312835T 1992-09-24 1993-09-23 Aufzeichnungs- und Wiedergabegerät Expired - Fee Related DE69312835T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4254317A JP3010930B2 (ja) 1992-09-24 1992-09-24 記録再生装置

Publications (2)

Publication Number Publication Date
DE69312835D1 DE69312835D1 (de) 1997-09-11
DE69312835T2 true DE69312835T2 (de) 1997-11-27

Family

ID=17263323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69312835T Expired - Fee Related DE69312835T2 (de) 1992-09-24 1993-09-23 Aufzeichnungs- und Wiedergabegerät

Country Status (4)

Country Link
US (1) US5323244A (de)
EP (1) EP0589459B1 (de)
JP (1) JP3010930B2 (de)
DE (1) DE69312835T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347318A (en) * 1992-06-16 1994-09-13 Canon Kabushiki Kaisha Apparatus for processing video signals having different aspect ratios
US6002694A (en) * 1994-02-17 1999-12-14 Hitachi, Ltd. Interactive chargeable communication system with billing system therefor
JPH07231424A (ja) * 1994-02-18 1995-08-29 Hitachi Ltd 記録再生方式およびその装置
JP2853727B2 (ja) 1994-02-22 1999-02-03 日本ビクター株式会社 再生プロテクト方法及びプロテクト再生装置
MY111825A (en) * 1994-03-28 2001-01-31 Fipa Frohwitter Ip Ag Digital information signal transmitting/receiving method and system
US5530751A (en) * 1994-06-30 1996-06-25 Hewlett-Packard Company Embedded hidden identification codes in digital objects
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
SG34287A1 (en) 1994-10-28 1996-12-06 Hitachi Ltd Input-output circuit recording apparatus and reproduction apparatus for digital video signal
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
MY121551A (en) 1994-12-22 2006-02-28 Sony Corp Recording and reproducing system for protecting copyrighted data
EP1209923B1 (de) 1995-04-27 2006-05-24 Hitachi, Ltd. Verfahren und Vorrichtung zum Empfang und/oder Wiedergabe von digitalen Signalen
US5852664A (en) * 1995-07-10 1998-12-22 Intel Corporation Decode access control for encoded multimedia signals
EP1143443B1 (de) 1995-07-14 2003-09-17 Sony Corporation Verfahren zur Übertragung von digitalen Daten und Aufzeichnungsmedium
JPH0944993A (ja) * 1995-07-31 1997-02-14 Pioneer Electron Corp 情報記録方法及び装置、関数記録方法及び装置並びに情報再生方法及び装置
KR0166923B1 (ko) * 1995-09-18 1999-03-20 구자홍 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치
DE69634850T2 (de) * 1995-10-09 2006-05-18 Matsushita Electric Industrial Co., Ltd., Kadoma Informationsaufzeichnungsträger, informationswiedergabegerät und informationswiedergabeverfahren
KR0186210B1 (ko) * 1995-11-10 1999-04-15 구자홍 디지탈 데이터의 저작권 보호와 변속 재생을 위한 자기 기록 테이프의 기록방법
JP3176030B2 (ja) * 1996-01-08 2001-06-11 株式会社東芝 複製制御方法及び複製制御装置
US6011765A (en) * 1996-04-12 2000-01-04 Sony Corporation Recording medium having copying protection signals recorded in superposition on main signals
US5862299A (en) * 1996-06-19 1999-01-19 Sony Corporation Conditional access system for local storage device
US6978370B1 (en) 1996-09-03 2005-12-20 Cryptography Research, Inc. Method and system for copy-prevention of digital copyright works
US5818934A (en) * 1996-12-18 1998-10-06 Phillips Electronics North America Corporation Method and apparatus for providing a cryptographically secure interface between the decryption engine and the system decoder of a digital television receiver
EP0984346A1 (de) * 1998-09-02 2000-03-08 Hitachi Europe Limited Kopierschutzverfahren und -vorrichtung
JP3692838B2 (ja) * 1999-06-22 2005-09-07 日本ビクター株式会社 記録方法、再生方法、再生装置及び記録媒体
SE9903461L (sv) * 1999-09-24 2001-03-25 Protego Information Ab Metod och apparat för identifieringsmärkning av en dataström
ATE525824T1 (de) * 2000-04-07 2011-10-15 Blockbuster Llc Lizensierungssystem und -verfahren für sicheren digitalen inhalt
US20020073033A1 (en) * 2000-04-07 2002-06-13 Sherr Scott Jeffrey Online digital video signal transfer apparatus and method
US7155415B2 (en) * 2000-04-07 2006-12-26 Movielink Llc Secure digital content licensing system and method
JP2002150698A (ja) * 2000-11-06 2002-05-24 Pioneer Electronic Corp 情報記録方法、情報記録装置、情報再生方法及び情報再生装置
US7987510B2 (en) * 2001-03-28 2011-07-26 Rovi Solutions Corporation Self-protecting digital content
US20020141582A1 (en) * 2001-03-28 2002-10-03 Kocher Paul C. Content security layer providing long-term renewable security
WO2003065724A1 (en) * 2002-01-02 2003-08-07 Sony Electronics, Inc. Decoding and decryption of partially encrypted information
US8055910B2 (en) 2003-07-07 2011-11-08 Rovi Solutions Corporation Reprogrammable security for controlling piracy and enabling interactive content

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067871A (en) * 1980-01-19 1981-07-30 Marconi Co Ltd Information Encoding Systems
US4484027A (en) * 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
DE3235344A1 (de) * 1982-05-10 1984-03-01 npm new production marketing, 2000 Hamburg Kopiergesicherte, bespielte videokassette sowie verfahren und kodierer zum herstellen und verfahren und dekodierer zum abspielen einer solchen videokassette
JPS5989084A (ja) * 1982-11-12 1984-05-23 Sony Corp ビデオテ−プ
DE3851724T2 (de) * 1987-07-08 1995-05-04 Matsushita Electric Ind Co Ltd Verfahren und Gerät zum Schutz von Kopiersignalen.
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
US5058159A (en) * 1989-06-15 1991-10-15 Macrovision Corporation Method and system for scrambling and descrambling audio information signals
JP3036013B2 (ja) * 1990-07-30 2000-04-24 ソニー株式会社 記録再生装置、記録装置及び再生装置

Also Published As

Publication number Publication date
DE69312835D1 (de) 1997-09-11
JPH06103694A (ja) 1994-04-15
EP0589459A1 (de) 1994-03-30
JP3010930B2 (ja) 2000-02-21
EP0589459B1 (de) 1997-08-06
US5323244A (en) 1994-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee