HK1002419A1 - Dual deck video recording apparatus and method - Google Patents
Dual deck video recording apparatus and methodInfo
- Publication number
- HK1002419A1 HK1002419A1 HK98101439A HK98101439A HK1002419A1 HK 1002419 A1 HK1002419 A1 HK 1002419A1 HK 98101439 A HK98101439 A HK 98101439A HK 98101439 A HK98101439 A HK 98101439A HK 1002419 A1 HK1002419 A1 HK 1002419A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- video signal
- deck
- copy
- signal
- protect
- Prior art date
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
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 (1)
Publication Number | Publication Date |
---|---|
HK1002419A1 true HK1002419A1 (en) | 1998-08-21 |
Family
ID=22783779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98101439A HK1002419A1 (en) | 1988-06-23 | 1998-02-25 | Dual deck video recording apparatus and method |
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)
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 |
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 |
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 |
MY125739A (en) | 1994-12-22 | 2006-08-30 | Sony Corp | Recording medium and apparatus for protecting copyrighted digital 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 |
DE19525425C1 (de) * | 1995-07-12 | 1996-10-24 | Siemens Ag | Videosignalempfangseinrichtung mit Aufzeichnungsschutz |
US6122377A (en) * | 1995-07-12 | 2000-09-19 | Siemens Aktiengesellschaft | Video signal receiver with record protection |
EP1416730A3 (de) * | 1995-10-17 | 2010-07-07 | Macrovision Corporation | Verfahren und Vorrichtung zur Lokalisierung von Kopierschutzsignalen in einem Videosignal |
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 |
US6636689B1 (en) | 1998-05-20 | 2003-10-21 | Recording Industry Association Of America | Data disc modulation 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 |
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 |
WO2008042718A2 (en) * | 2006-09-29 | 2008-04-10 | Guava Technologies, Inc. | 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)
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 |
-
1988
- 1988-06-23 US US07/210,665 patent/US4937679A/en not_active Expired - Lifetime
-
1989
- 1989-06-23 JP JP15978589A patent/JP3190654B2/ja not_active Expired - Lifetime
- 1989-06-23 ES ES89306379T patent/ES2072300T3/es not_active Expired - Lifetime
- 1989-06-23 PH PH38840A patent/PH26068A/en unknown
- 1989-06-23 DE DE68922658T patent/DE68922658T2/de not_active Expired - Lifetime
- 1989-06-23 KR KR1019890008698A patent/KR940006160B1/ko not_active IP Right Cessation
- 1989-06-23 AT AT89306379T patent/ATE122835T1/de not_active IP Right Cessation
- 1989-06-23 EP EP89306379A patent/EP0348218B1/de not_active Expired - Lifetime
-
1998
- 1998-02-25 HK HK98101439A patent/HK1002419A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0264947A (ja) | 1990-03-05 |
DE68922658T2 (de) | 1995-10-19 |
ES2072300T3 (es) | 1995-07-16 |
EP0348218A3 (de) | 1992-01-15 |
PH26068A (en) | 1992-01-29 |
US4937679A (en) | 1990-06-26 |
ATE122835T1 (de) | 1995-06-15 |
EP0348218B1 (de) | 1995-05-17 |
KR900000853A (ko) | 1990-01-31 |
EP0348218A2 (de) | 1989-12-27 |
KR940006160B1 (ko) | 1994-07-08 |
JP3190654B2 (ja) | 2001-07-23 |
DE68922658D1 (de) | 1995-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |