DE68922658T2 - Doppeldeck-Videoaufzeichnungseinrichtung und Verfahren. - Google Patents

Doppeldeck-Videoaufzeichnungseinrichtung und Verfahren.

Info

Publication number
DE68922658T2
DE68922658T2 DE68922658T DE68922658T DE68922658T2 DE 68922658 T2 DE68922658 T2 DE 68922658T2 DE 68922658 T DE68922658 T DE 68922658T DE 68922658 T DE68922658 T DE 68922658T DE 68922658 T2 DE68922658 T2 DE 68922658T2
Authority
DE
Germany
Prior art keywords
video signal
deck
copy
signal
protect
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
DE68922658T
Other languages
English (en)
Other versions
DE68922658D1 (de
Inventor
John O Ryan
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.)
Adeia Media LLC
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
Application granted granted Critical
Publication of DE68922658D1 publication Critical patent/DE68922658D1/de
Publication of DE68922658T2 publication Critical patent/DE68922658T2/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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00688—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that a usable copy of recorded data can be made on another medium
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00702—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are recorded on the recording medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/028—Electronic editing of analogue information signals, e.g. audio or video signals with computer assistance
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers
    • G11B2220/45—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup
    • G11B2220/455—Hierarchical combination of record carriers, e.g. HDD for fast access, optical discs for long term storage or tapes for backup said record carriers being in one device and being used as primary and secondary/backup media, e.g. HDD-DVD combo device, or as source and target media, e.g. PC and portable player
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/024—Electronic editing of analogue information signals, e.g. audio or video signals on tapes
    • 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
    • H04N2005/91314—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 pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
DE68922658T 1988-06-23 1989-06-23 Doppeldeck-Videoaufzeichnungseinrichtung und Verfahren. Expired - Lifetime DE68922658T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/210,665 US4937679A (en) 1986-08-11 1988-06-23 Dual deck video recording apparatus having enhanced copy protection and method for providing enhanced copy protection to such a recording apparatus

Publications (2)

Publication Number Publication Date
DE68922658D1 DE68922658D1 (de) 1995-06-22
DE68922658T2 true DE68922658T2 (de) 1995-10-19

Family

ID=22783779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922658T Expired - Lifetime DE68922658T2 (de) 1988-06-23 1989-06-23 Doppeldeck-Videoaufzeichnungseinrichtung und Verfahren.

Country Status (9)

Country Link
US (1) US4937679A (de)
EP (1) EP0348218B1 (de)
JP (1) JP3190654B2 (de)
KR (1) KR940006160B1 (de)
AT (1) ATE122835T1 (de)
DE (1) DE68922658T2 (de)
ES (1) ES2072300T3 (de)
HK (1) HK1002419A1 (de)
PH (1) PH26068A (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40689E1 (en) 1983-11-23 2009-03-31 Macrovision Corporation Method and apparatus for disabling anti-copy protection system in video signals
EP0297539B1 (de) * 1987-06-30 1993-09-01 Kabushiki Kaisha Toshiba Aufzeichnungssteuergerät
US5231546A (en) * 1988-02-10 1993-07-27 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
US5057947A (en) * 1988-02-10 1991-10-15 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
JPH02309778A (ja) * 1989-05-24 1990-12-25 Victor Co Of Japan Ltd クロック生成回路
GB2234848A (en) * 1989-08-09 1991-02-13 Andrew Ziolek Video apparatus
KR930006520B1 (ko) * 1991-04-19 1993-07-16 삼성전자 주식회사 복사방지 시스템
US5177618A (en) * 1990-06-29 1993-01-05 Go-Video, Inc. Dual deck vcr and duplicating circuit therefor
JP3210680B2 (ja) * 1990-12-18 2001-09-17 パイオニア株式会社 情報再生装置
JPH0549001A (ja) * 1991-08-21 1993-02-26 Sony Corp ビデオ信号記録装置
JP3134894B2 (ja) * 1992-01-16 2001-02-13 ソニー株式会社 複製防止処理の有無検出装置
JP3128328B2 (ja) * 1992-05-26 2001-01-29 キヤノン株式会社 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
US5315448A (en) * 1993-03-18 1994-05-24 Macrovision Corporation Copy protection for hybrid digital video tape recording and unprotected source material
JP2945569B2 (ja) * 1993-10-27 1999-09-06 シャープ株式会社 情報記録再生方法
JPH07307900A (ja) * 1994-05-12 1995-11-21 Funai Electric Co Ltd ビデオ一体型テレビにおける外部入力信号処理回路
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
US5737417A (en) * 1995-04-24 1998-04-07 Technicolor Videocassette, Inc. Videotape anti-copying encryption scheme
KR960038875A (ko) * 1995-04-27 1996-11-21 김광호 복합영상기록재생기의 신호입출력라인 스위칭회로
US6122377A (en) * 1995-07-12 2000-09-19 Siemens Aktiengesellschaft Video signal receiver with record protection
DE19525425C1 (de) * 1995-07-12 1996-10-24 Siemens Ag Videosignalempfangseinrichtung mit Aufzeichnungsschutz
NZ323128A (en) * 1995-10-17 1998-09-24 Macrovision Corp Digitally removing video copy protection pulses
US6684199B1 (en) 1998-05-20 2004-01-27 Recording Industry Association Of America Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same
WO1999060741A1 (en) 1998-05-20 1999-11-25 Recording Industry Association Of America Method for minimizing pirating or unauthorized copying of data
FR2783658B1 (fr) * 1998-09-23 2000-10-13 Thomson Multimedia Sa Protection contre la copie de donnees numeriques stockees sur un support d'informations
TW566041B (en) * 2001-07-06 2003-12-11 Hitachi Ltd Digital data recording device and output device
CN102202204A (zh) * 2004-10-28 2011-09-28 罗威解决方案公司 修改视频信号的设备和方法
US7792293B2 (en) * 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system
US7847923B2 (en) * 2006-09-29 2010-12-07 Millipore Corporation Differentiation of flow cytometry pulses and applications
US8428258B2 (en) * 2007-05-02 2013-04-23 Rovi Technologies Corporation Method and apparatus for providing content control via detection of modifications to a signal
US20110081129A1 (en) 2009-10-07 2011-04-07 Rovi Technologies Corporation Broadband recording method and apparatus for video and/or audio programs
US8306403B2 (en) 2010-03-29 2012-11-06 Rovi Technologies Corporation Content control via guide data and/or metadata
US9049073B2 (en) 2011-06-28 2015-06-02 Rovi Guides, Inc. Systems and methods for initializing allocations of transport streams based on historical data

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947884A (en) * 1972-10-04 1976-03-30 Clarion Co., Ltd. Tape recorder
JPS52114313A (en) * 1976-03-23 1977-09-26 Sony Corp Recorded medium and production method therefor
US4631603A (en) * 1985-04-17 1986-12-23 Macrovision Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof
JPS6275901A (ja) * 1985-09-27 1987-04-07 Nec Home Electronics Ltd 記録再生装置の複製禁止装置
KR930008167B1 (ko) * 1986-08-11 1993-08-26 매크로비젼 코포레이션 비데오 레코더의 비데오 디스에이블링 회로를 이용하여 비데오 프로그램의 복사를 방지하는 방법 및 장치

Also Published As

Publication number Publication date
KR900000853A (ko) 1990-01-31
KR940006160B1 (ko) 1994-07-08
EP0348218A2 (de) 1989-12-27
ES2072300T3 (es) 1995-07-16
PH26068A (en) 1992-01-29
EP0348218B1 (de) 1995-05-17
ATE122835T1 (de) 1995-06-15
JPH0264947A (ja) 1990-03-05
JP3190654B2 (ja) 2001-07-23
US4937679A (en) 1990-06-26
HK1002419A1 (en) 1998-08-21
DE68922658D1 (de) 1995-06-22
EP0348218A3 (de) 1992-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8380 Miscellaneous part iii

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8380 Miscellaneous part iii

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