JP5210723B2 - 再生装置 - Google Patents

再生装置 Download PDF

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Publication number
JP5210723B2
JP5210723B2 JP2008159868A JP2008159868A JP5210723B2 JP 5210723 B2 JP5210723 B2 JP 5210723B2 JP 2008159868 A JP2008159868 A JP 2008159868A JP 2008159868 A JP2008159868 A JP 2008159868A JP 5210723 B2 JP5210723 B2 JP 5210723B2
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JP
Japan
Prior art keywords
data
playback
special
encrypted
key information
Prior art date
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Active
Application number
JP2008159868A
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English (en)
Japanese (ja)
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JP2010004191A (ja
JP2010004191A5 (enExample
Inventor
貴之 鈴木
光信 渡辺
宣昭 小日向
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2008159868A priority Critical patent/JP5210723B2/ja
Priority to CN200910133039XA priority patent/CN101610377B/zh
Priority to US12/422,371 priority patent/US8467529B2/en
Publication of JP2010004191A publication Critical patent/JP2010004191A/ja
Publication of JP2010004191A5 publication Critical patent/JP2010004191A5/ja
Application granted granted Critical
Publication of JP5210723B2 publication Critical patent/JP5210723B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/781—Television signal recording using magnetic recording on disks or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Television Signal Processing For Recording (AREA)
JP2008159868A 2008-06-19 2008-06-19 再生装置 Active JP5210723B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008159868A JP5210723B2 (ja) 2008-06-19 2008-06-19 再生装置
CN200910133039XA CN101610377B (zh) 2008-06-19 2009-04-02 内容重放装置、记录装置、记录重放装置及重放方法
US12/422,371 US8467529B2 (en) 2008-06-19 2009-04-13 Content reproduction apparatus, recording apparatus, recording and reproduction apparatus, and reproduction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008159868A JP5210723B2 (ja) 2008-06-19 2008-06-19 再生装置

Publications (3)

Publication Number Publication Date
JP2010004191A JP2010004191A (ja) 2010-01-07
JP2010004191A5 JP2010004191A5 (enExample) 2011-03-31
JP5210723B2 true JP5210723B2 (ja) 2013-06-12

Family

ID=41431307

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008159868A Active JP5210723B2 (ja) 2008-06-19 2008-06-19 再生装置

Country Status (3)

Country Link
US (1) US8467529B2 (enExample)
JP (1) JP5210723B2 (enExample)
CN (1) CN101610377B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8553879B2 (en) 2009-05-11 2013-10-08 Panasonic Corporation Content transmission device and content transmission method
CN109492408B (zh) * 2017-09-13 2021-06-18 杭州海康威视数字技术股份有限公司 一种加密数据的方法及装置
CN108966012B (zh) * 2018-07-18 2021-04-09 北京奇艺世纪科技有限公司 一种视频播放速率确定方法、装置及电子设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08331508A (ja) * 1995-06-02 1996-12-13 Matsushita Electric Ind Co Ltd 記録再生システムとそのスクランブル装置およびデスクランブル装置
JPH08340541A (ja) * 1995-06-12 1996-12-24 Sony Corp デジタルデータの伝送方法、伝送装置、記録方法、記録装置、再生方法、再生装置、記録再生方法及び記録再生装置
CN1112695C (zh) 1998-09-21 2003-06-25 日本胜利株式会社 信息记录方法与装置、重放装置及信息保护方法
JP2001024994A (ja) * 1999-07-07 2001-01-26 Matsushita Electric Ind Co Ltd 送信装置、受信装置、記録装置及びプログラム記録媒体
KR100608454B1 (ko) 1999-10-19 2006-08-02 삼성전자주식회사 키프레임을 이용한 동화상 기록 및/또는 재생장치
US6801294B2 (en) 1999-10-19 2004-10-05 Samsung Electronics Co., Ltd. Recording and/or reproducing apparatus and method using key frame
JP4012398B2 (ja) * 2000-12-15 2007-11-21 松下電器産業株式会社 蓄積型サービスを提供する放送装置及び受信装置
JP2003101529A (ja) * 2001-09-20 2003-04-04 Toshiba Corp コンテンツ管理装置およびコンテンツ削除方法
JP2003331509A (ja) * 2002-05-15 2003-11-21 Hitachi Ltd デジタル信号記録装置及びデジタル信号記録再生装置
JP3966814B2 (ja) * 2002-12-24 2007-08-29 三洋電機株式会社 簡易再生方法とこの方法に利用可能な簡易再生装置、復号方法、復号装置
JP3995207B2 (ja) * 2003-02-26 2007-10-24 日本放送協会 コンテンツ送信装置、コンテンツ送信方法、コンテンツ送信プログラムおよびコンテンツ再生装置、コンテンツ再生方法、コンテンツ再生プログラム
KR20060122864A (ko) 2003-11-18 2006-11-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 트릭 플레이 신호의 재생
JP4351927B2 (ja) * 2004-02-18 2009-10-28 シャープ株式会社 映像再生装置、再生スクリプト生成装置及び映像切出し装置
JP4859424B2 (ja) 2005-09-29 2012-01-25 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ディスク装置及び情報記録システム
JP5001584B2 (ja) * 2006-06-06 2012-08-15 ソニー株式会社 オーサリング装置、オーサリング方法、オーサリングプログラム、記録装置、記録方法および記録プログラム、検証装置、検証方法および検証プログラム、ならびに、記録媒体の製造装置および製造方法

Also Published As

Publication number Publication date
CN101610377B (zh) 2012-11-14
JP2010004191A (ja) 2010-01-07
CN101610377A (zh) 2009-12-23
US20090316891A1 (en) 2009-12-24
US8467529B2 (en) 2013-06-18

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