JP2011517873A - データストリームの事前認証と処理の方法、装置およびシステム - Google Patents
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Abstract
Description
本特許出願は、2008年2月28日出願の米国仮特許出願第61/032,424号の優先権を主張する。
Claims (20)
- 送信デバイスと受信デバイスとの間のメディアコンテンツの通信を円滑化する動作中ポートを特定するステップであって、前記動作中ポートは第一のHigh−Definition Content Protection(HDCP)エンジンに関連付けられるステップと、
前記動作中ポートのバックアップ用ポートとして機能するアイドルモードの非動作中ポートを特定するステップであって、前記非動作中ポートは第二のHDCPエンジンに関連付けられるステップと、
前記非動作中ポートの各々を事前認証し、後にポート切換えが行われた場合に、前記動作中ポートと置き換わるようにするステップと、
を含む方法。 - 前記事前認証するステップは、前記非動作中ポートの各々を、前記送信デバイスと前記受信デバイスとの間の前記媒体コンテンツの通信を円滑化できるように準備するステップを含む請求項1に記載の方法。
- 前記ポート切換えは、前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの通信を円滑化するために、前記動作中ポートに置き換わる1つの非動作中ポートを選択するステップを含む請求項1に記載の方法。
- 前記非動作中ポートの各々に関する状態情報を生成するステップと、前記状態情報を前記非動作中ポートに対応するメモリパイプに保存するステップと、をさらに含む請求項1に記載の方法。
- 前記非動作中ポートを、前記第二のHDCPエンジンによって時分割方式で同期化するステップをさらに含み、前記同期化するステップは、前記非動作中ポートをRi同期化または垂直鍵更新するステップを含む請求項1に記載の方法。
- 前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの前記通信を引き続き円滑化するために、前記動作中ポートと置き換わるように、前記非動作中ポートの中から1つを選択するステップをさらに含む請求項1に記載の方法。
- 前記ポート切換えが行われた後に、前記動作中デバイスを非動作中デバイスに再分類するステップと、前記新規に再分類された非動作中デバイスの認証を続けるステップと、をさらに含む請求項6に記載の方法。
- メディアコンテンツを受信デバイスと通信する送信デバイスを備え、
前記受信デバイスは事前認証メカニズムを有する事前認証装置を備え、前記事前認証メカニズムは、
前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの前記通信を円滑化する動作中ポートを特定し、前記動作中ポートは第一のHigh−Definition Content Protection(HDCP)エンジンに関連付けられ、
前記動作中ポートのバックアップ用ポートとして機能するアイドルモードの非動作中ポートを特定し、前記非動作中ポートは第二のHDCPエンジンに関連付けられ、
前記非動作中ポートの各々を事前認証し、後にポート切換えが行われた場合に、前記動作中ポートと置き換わるようにする
装置。 - 前記事前認証メカニズムは、前記非動作中ポートの各々を、各非動作中デバイスが前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの通信を円滑化できるように準備するようにさらに調整される請求項8に記載の装置。
- 前記ポート切換えは、前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの通信を円滑化するために、前記動作中ポートに置き換わる1つの非動作中ポートを選択するステップを含む請求項8に記載の装置。
- 前記事前認証メカニズムは、前記非動作中ポートの各々に関する状態情報を生成し、前記状態情報を前記非動作中ポートに対応するメモリパイプに保存するようにさらに調整される請求項8に記載の装置。
- 前記事前認証メカニズムは、前記非動作中ポートを、前記第二のHDCPエンジンによって時分割方式で同期化するようにさらに調整され、前記同期化するステップは、前記非動作中ポートをRi同期化または垂直鍵更新するステップを含む請求項8に記載の装置。
- 前記事前認証メカニズムは、前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの前記通信を引き続き円滑化するために、前記動作中ポートと置き換わるように、前記非動作中ポートの中から1つを選択するようにさらに調整される請求項8に記載の装置。
- 前記事前認証メカニズムは、前記ポート切換えが行われた後に、前記動作中デバイスを非動作中デバイスに再分類し、前記新規に再分類された非動作中デバイスを再認証するようにさらに調整される請求項13に記載の装置。
- メディアコンテンツ用ポートを事前認証し、送信デバイスと受信デバイスとの間のメディアコンテンツのシームレスな通信を円滑化する事前認証デバイスであって、前記ポートが動作中ポートと非動作中ポートを含む事前認証デバイスを備え、前記事前認証デバイスは、
前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの前記通信を円滑化する動作中ポートを特定し、前記動作中ポートは第一のHigh−Definition Content Protection(HDCP)エンジンに関連付けられ、
前記動作中ポートのバックアップ用ポートとして機能するアイドルモードの非動作中ポートを特定し、前記非動作中ポートは第二のHDCPエンジンに関連付けられ、
前記非動作中ポートの各々を事前認証し、後にポート切換えが行われた場合に、前記動作中ポートと置き換わるようにする
ポート事前認証システム。 - 前記事前認証デバイスは、前記非動作中ポートの各々を、各非動作中デバイスが前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの通信を円滑化できるように準備するようにさらに調整される請求項15に記載のシステム。
- 前記ポート切換えは、前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの通信を円滑化するために、前記動作中ポートに置き換わる1つの非動作中ポートを選択するステップを含む請求項15に記載のシステム。
- 前記事前認証メカニズムは、前記非動作中ポートの各々に関する状態情報を生成し、前記状態情報を前記非動作中ポートに対応するメモリパイプに保存するようにさらに調整される請求項15に記載のシステム。
- 前記事前認証メカニズムは、前記非動作中ポートを、前記第二のHDCPエンジンによって時分割方式で同期化するようにさらに調整され、前記同期化するステップは、前記非動作中ポートをRi同期化または垂直鍵更新するステップを含む請求項15に記載のシステム。
- 前記事前認証メカニズムは、前記送信デバイスと前記受信デバイスとの間の前記メディアコンテンツの前記通信を引き続き円滑化するために、前記動作中ポートと置き換わるように、前記非動作中ポートの中から1つを選択するようにさらに調整される請求項15に記載のシステム。
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US3242408P | 2008-02-28 | 2008-02-28 | |
US61/032,424 | 2008-02-28 | ||
US12/392,000 | 2009-02-24 | ||
US12/392,000 US9143507B2 (en) | 2008-02-28 | 2009-02-24 | Method, apparatus, and system for pre-authentication and processing of data streams |
PCT/US2009/035352 WO2009108818A1 (en) | 2008-02-28 | 2009-02-26 | Method, apparatus and system for pre-authentication and processing of data streams |
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EP (2) | EP2272251B1 (ja) |
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KR (2) | KR101499925B1 (ja) |
CN (2) | CN101960839B (ja) |
AT (1) | ATE533301T1 (ja) |
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Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7394406B2 (en) * | 2002-12-17 | 2008-07-01 | Broadcom Corporation | Method and system for generating high definition multimedia interface (HDMI) codewords using a TMDS encoder/decoder |
US8374346B2 (en) * | 2009-01-09 | 2013-02-12 | Silicon Image, Inc. | Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports |
US8185739B2 (en) * | 2009-01-09 | 2012-05-22 | Silicon Image, Inc. | Method and system for detecting successful authentication of multiple ports in a time-based roving architecture |
JP2010252107A (ja) * | 2009-04-16 | 2010-11-04 | Toshiba Corp | 半導体集積回路装置 |
US20110013772A1 (en) * | 2009-07-20 | 2011-01-20 | Transwitch Corporation | Method and Apparatus for Fast Switching Between Source Multimedia Devices |
EP2280542A1 (en) * | 2009-07-21 | 2011-02-02 | Nxp B.V. | Fast HDMI switching with conditional reset mechanism |
US8458343B2 (en) * | 2009-07-30 | 2013-06-04 | Silicon Image, Inc. | Signaling for transitions between modes of data transmission |
US8644334B2 (en) * | 2009-09-30 | 2014-02-04 | Silicon Image, Inc. | Messaging to provide data link integrity |
WO2011084340A1 (en) * | 2009-12-17 | 2011-07-14 | Analog Devices, Inc. | Selective switching between data sources |
US20110157473A1 (en) * | 2009-12-30 | 2011-06-30 | Hoon Choi | Method, apparatus, and system for simultaneously previewing contents from multiple protected sources |
JP5456538B2 (ja) * | 2010-03-30 | 2014-04-02 | ローム株式会社 | インタフェース回路およびそれを用いた電子機器 |
US8713213B1 (en) | 2010-04-02 | 2014-04-29 | CSR Technology, Inc. | Fast port switching in an audiovisual receiver by use of port pre-authentication by a partial PHY decoder core |
JP2012029214A (ja) * | 2010-07-27 | 2012-02-09 | Rohm Co Ltd | インタフェース回路およびそれを用いた電子機器 |
US8750176B2 (en) | 2010-12-22 | 2014-06-10 | Apple Inc. | Methods and apparatus for the intelligent association of control symbols |
TWI450538B (zh) * | 2011-03-22 | 2014-08-21 | 多媒體串流資料解密系統與方法 | |
CN102930847B (zh) * | 2011-08-09 | 2015-03-18 | 锋厚科技股份有限公司 | 多切换显示控制装置、矩阵式显示控制装置及其控制方法 |
US8681977B2 (en) * | 2011-12-13 | 2014-03-25 | Crestron Electronics Inc. | Enabling/disabling display data channel access to enable/ disable high-bandwidth digital content protection |
US8713316B2 (en) | 2011-12-13 | 2014-04-29 | Crestron Electronics Inc. | System, apparatus and method for enabling/disabling display data channel access to enable/disable high-bandwidth digital content protection |
US8897398B2 (en) | 2012-01-27 | 2014-11-25 | Apple Inc. | Methods and apparatus for error rate estimation |
US9838226B2 (en) | 2012-01-27 | 2017-12-05 | Apple Inc. | Methods and apparatus for the intelligent scrambling of control symbols |
US9450790B2 (en) | 2013-01-31 | 2016-09-20 | Apple Inc. | Methods and apparatus for enabling and disabling scrambling of control symbols |
US8917194B2 (en) * | 2013-03-15 | 2014-12-23 | Apple, Inc. | Methods and apparatus for context based line coding |
US9210010B2 (en) | 2013-03-15 | 2015-12-08 | Apple, Inc. | Methods and apparatus for scrambling symbols over multi-lane serial interfaces |
TWI543596B (zh) * | 2013-12-26 | 2016-07-21 | 晨星半導體股份有限公司 | 多媒體介面接收電路 |
CN104486211B (zh) * | 2014-12-09 | 2017-12-26 | 深圳视爵光旭电子有限公司 | 数据帧路由装置和led显示控制系统 |
US10565248B2 (en) * | 2015-03-09 | 2020-02-18 | Verizon Patent And Licensing Inc. | Time-shifted playback for over-the-top linear streaming |
WO2016145558A1 (en) * | 2015-03-13 | 2016-09-22 | Lattice Semiconductor Corporation | Maintaining synchronization of encryption process across devices by sending frame numbers |
TWI634787B (zh) | 2017-11-17 | 2018-09-01 | 宏正自動科技股份有限公司 | 一種影像訊號切換裝置與方法 |
US11866031B2 (en) * | 2019-07-16 | 2024-01-09 | Deere & Company | Discretionary current input circuit |
KR102242695B1 (ko) | 2020-05-25 | 2021-04-22 | 이두희 | 스윙운동기구의 무게중심을 매우 쉽고 안전하게 변경 및 조정하는 기구 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000048480A (ja) * | 1998-07-28 | 2000-02-18 | Hitachi Ltd | ディジタル信号処理装置 |
JP2006128971A (ja) * | 2004-10-28 | 2006-05-18 | Alpine Electronics Inc | ディジタル信号切り替え装置及びディジタル信号切り替え方法 |
Family Cites Families (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5644731A (en) * | 1995-07-07 | 1997-07-01 | Sun Microsystems, Inc. | Method and apparatus for hot plugging/unplugging a sub-system to an electrically powered system |
US6009535A (en) * | 1997-06-30 | 1999-12-28 | Emc Corporation | SCSI adaptor failover for a disk drive system |
US6421711B1 (en) * | 1998-06-29 | 2002-07-16 | Emc Corporation | Virtual ports for data transferring of a data storage system |
US6412025B1 (en) * | 1999-03-31 | 2002-06-25 | International Business Machines Corporation | Apparatus and method for automatic configuration of a personal computer system when reconnected to a network |
KR100491218B1 (ko) | 2000-07-06 | 2005-05-25 | 가부시끼가이샤 도시바 | 탄성표면파장치 및 그 제조방법 |
US7124220B2 (en) * | 2000-08-25 | 2006-10-17 | Funhouse Productions | Sequencer device with automated active port detection and sequencing |
US7359511B2 (en) * | 2000-12-18 | 2008-04-15 | Matsushita Electric Industrial Co., Ltd. | Encryption transmission system |
US7885448B2 (en) * | 2001-03-19 | 2011-02-08 | Dmetrix, Inc. | Diagnostic scanning microscope for information-enriched qualitative histopathology |
JP3754635B2 (ja) * | 2001-07-17 | 2006-03-15 | Necディスプレイソリューションズ株式会社 | ディスプレイモニタ用入力チャンネル切替制御装置およびディスプレイモニタの入力チャンネル切替制御方法 |
JP2003037591A (ja) | 2001-07-25 | 2003-02-07 | Toshiba Corp | 中継機器及び方法 |
EP1330910B1 (en) | 2001-09-12 | 2008-06-11 | Silicon Image, Inc. | Method and system for reducing inter-symbol interference effects in transmission over a serial link with mapping of each word in a cluster of received words to a single transmitted word |
JP2003091503A (ja) * | 2001-09-14 | 2003-03-28 | Toshiba Corp | ポートアクセスを利用した認証方法及び同方法を適用するサーバ機器 |
US20030086503A1 (en) | 2001-11-08 | 2003-05-08 | Koninklijke Philips Electronics N.V. | Apparatus and method for passing large bitwidth data over a low bitwidth datapath |
US20030120915A1 (en) * | 2001-11-30 | 2003-06-26 | Brocade Communications Systems, Inc. | Node and port authentication in a fibre channel network |
US7088398B1 (en) * | 2001-12-24 | 2006-08-08 | Silicon Image, Inc. | Method and apparatus for regenerating a clock for auxiliary data transmitted over a serial link with video data |
EP3496349B1 (en) | 2001-12-24 | 2021-09-29 | Koninklijke Philips N.V. | System for video and auxiliary data transmission over a serial link |
KR100699452B1 (ko) | 2001-12-24 | 2007-03-27 | 실리콘 이미지, 인크.(델라웨어주 법인) | 비디오 및 패킷화된 오디오 데이터를 다수의 포맷으로직렬 전송하기 위한 시스템 |
CN1277178C (zh) * | 2002-02-19 | 2006-09-27 | 株式会社东芝 | 数据显示系统、数据中继设备、数据中继方法 |
US7283566B2 (en) * | 2002-06-14 | 2007-10-16 | Silicon Image, Inc. | Method and circuit for generating time stamp data from an embedded-clock audio data stream and a video clock |
US7412053B1 (en) * | 2002-10-10 | 2008-08-12 | Silicon Image, Inc. | Cryptographic device with stored key data and method for using stored key data to perform an authentication exchange or self test |
US7394406B2 (en) * | 2002-12-17 | 2008-07-01 | Broadcom Corporation | Method and system for generating high definition multimedia interface (HDMI) codewords using a TMDS encoder/decoder |
US7568110B2 (en) * | 2002-12-18 | 2009-07-28 | Broadcom Corporation | Cryptography accelerator interface decoupling from cryptography processing cores |
JP4071117B2 (ja) * | 2003-01-23 | 2008-04-02 | シャープ株式会社 | 送受信回路及び送受信方法並びに送受信装置 |
JP4375995B2 (ja) | 2003-04-30 | 2009-12-02 | ローム株式会社 | デバイス鍵保護方法およびその方法を利用可能な暗号化装置と復号装置ならびに映像送信装置と映像受信装置 |
US7613300B2 (en) * | 2003-09-26 | 2009-11-03 | Genesis Microchip Inc. | Content-protected digital link over a single signal line |
US7398547B2 (en) * | 2004-01-13 | 2008-07-08 | Pace Plc. | High-bandwidth digital content protection during rapid channel changing |
US20050220017A1 (en) * | 2004-03-31 | 2005-10-06 | Brand Thomas E | Denial of service protection through port hopping |
KR20050099305A (ko) | 2004-04-09 | 2005-10-13 | 삼성전자주식회사 | 디스플레이시스템 및 그 제어방법 |
KR101092438B1 (ko) | 2004-08-05 | 2011-12-13 | 엘지전자 주식회사 | 케이블 방송 수신기 및 그의 진단 방법 |
US7363575B2 (en) * | 2004-11-12 | 2008-04-22 | Broadcom Corporation | Method and system for TERC4 decoding using minimum distance rule in high definition multimedia interface (HDMI) specifications |
US20060161968A1 (en) * | 2004-12-21 | 2006-07-20 | Nintendo Co., Ltd. | Method and apparatus for secure delivery and evaluation of prototype software over a network |
KR20060100191A (ko) * | 2005-03-16 | 2006-09-20 | 삼성전자주식회사 | 에이치디엠아이 기기 및 에이치디엠아이 기기의출력조절방법 |
US20060269056A1 (en) * | 2005-05-19 | 2006-11-30 | Bruce Montag | Messaging interface for protected digital outputs |
CN1728819A (zh) * | 2005-07-29 | 2006-02-01 | 上海广电通讯网络有限公司 | 同一户头多个数字电视接收终端ca模块线缆连接关联方式 |
KR100662459B1 (ko) | 2005-08-30 | 2007-01-02 | 엘지전자 주식회사 | Hdmi 수신기 및 전송기 개발 장치 및 그 방법 |
US20080025507A1 (en) * | 2005-09-02 | 2008-01-31 | Taylor Stephen F | Secure file conversion and multimedia sampler processing |
KR100722855B1 (ko) * | 2005-09-06 | 2007-05-30 | 삼성전자주식회사 | 미디어 수신장치와 이를 포함하는 미디어 시스템 및 그제어방법 |
EP1770905B1 (en) * | 2005-09-29 | 2010-12-08 | Nokia Siemens Networks GmbH & Co. KG | Detecting inactive links in a communication network |
KR100761140B1 (ko) * | 2005-12-01 | 2007-09-21 | 엘지전자 주식회사 | 입력 신호의 검출 방법 및 이를 구현한 방송 수신기 |
EP1802030A1 (en) * | 2005-12-23 | 2007-06-27 | Nagracard S.A. | Secure system-on-chip |
US7844762B2 (en) | 2006-02-24 | 2010-11-30 | Silicon Image, Inc. | Parallel interface bus to communicate video data encoded for serial data links |
US8605730B2 (en) * | 2006-04-13 | 2013-12-10 | Directpacket Research, Inc. | System and method for multimedia communication across disparate networks |
US7710978B2 (en) * | 2006-04-13 | 2010-05-04 | Directpacket Research, Inc. | System and method for traversing a firewall with multimedia communication |
US7386641B2 (en) * | 2006-04-18 | 2008-06-10 | Owlink Technology, Inc. | Protocol for uncompressed multimedia data transmission |
US20070291938A1 (en) * | 2006-06-20 | 2007-12-20 | Radiospire Networks, Inc. | System, method and apparatus for transmitting high definition signals over a combined fiber and wireless system |
US7856104B2 (en) * | 2007-02-05 | 2010-12-21 | Sony Corporation | System and method for ensuring secure communication between TV and set back box |
US20080101467A1 (en) * | 2006-10-27 | 2008-05-01 | Radiospire Networks, Inc. | Method and system for secure and efficient wireless transmission of HDCP-encrypted HDMI/DVI signals |
EP2104351B1 (en) | 2006-12-14 | 2014-08-06 | Panasonic Corporation | Audio-video output device, audio output device, audio-video reproduction device, audio-video data reproduction system, and audio-video data reproduction method |
US20080159532A1 (en) * | 2006-12-29 | 2008-07-03 | Verma Rohit R | Architecture for supporting high definition content protection decryption over high definition multimedia interface links |
JP4289397B2 (ja) * | 2007-01-04 | 2009-07-01 | 船井電機株式会社 | 受信装置 |
JP2008306232A (ja) | 2007-06-05 | 2008-12-18 | Funai Electric Co Ltd | 映像受信装置及び放送受信装置 |
JP2009003882A (ja) * | 2007-06-25 | 2009-01-08 | Toshiba Corp | データ受信装置及びデータ送受信方法 |
US20090162032A1 (en) * | 2007-12-21 | 2009-06-25 | Aceurity, Inc. | Smart Viewing Rights System and Switch |
US8259949B2 (en) * | 2008-05-27 | 2012-09-04 | Intel Corporation | Methods and apparatus for protecting digital content |
US8374346B2 (en) * | 2009-01-09 | 2013-02-12 | Silicon Image, Inc. | Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports |
-
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000048480A (ja) * | 1998-07-28 | 2000-02-18 | Hitachi Ltd | ディジタル信号処理装置 |
JP2006128971A (ja) * | 2004-10-28 | 2006-05-18 | Alpine Electronics Inc | ディジタル信号切り替え装置及びディジタル信号切り替え方法 |
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