JP4913989B2 - ブロードキャストディジタルデータ受信システム - Google Patents
ブロードキャストディジタルデータ受信システム Download PDFInfo
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- JP4913989B2 JP4913989B2 JP2004012365A JP2004012365A JP4913989B2 JP 4913989 B2 JP4913989 B2 JP 4913989B2 JP 2004012365 A JP2004012365 A JP 2004012365A JP 2004012365 A JP2004012365 A JP 2004012365A JP 4913989 B2 JP4913989 B2 JP 4913989B2
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- 230000005540 biological transmission Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
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- 238000012217 deletion Methods 0.000 description 3
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- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/02—Baths
- A47K3/022—Baths specially adapted for particular use, e.g. for washing the feet, for bathing in sitting position
-
- 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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K3/00—Baths; Douches; Appurtenances therefor
- A47K3/001—Accessories for baths, not provided for in other subgroups of group A47K3/00 ; Insertions, e.g. for babies; Tubs suspended or inserted in baths; Security or alarm devices; Protecting linings or coverings; Devices for cleaning or disinfecting baths; Bath insulation
- A47K3/004—Trays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/54—Water heaters for bathtubs or pools; Water heaters for reheating the water in bathtubs or pools
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
-
- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
- A61N2005/066—Radiation therapy using light characterised by the wavelength of light used infrared far infrared
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Computer Security & Cryptography (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
−マスタディジタル端末は、スレーブディジタル端末によるサービスのディスクランブルに必要なエレメントの一部分を受信する。
−それらのエレメントは、明確に定義されているという条件のもとでユニークな手法で2つの端末間の物理通信リンクを介してスレーブディジタル端末へ送信される。
−マスタディジタル端末がそれらのエレメントをスレーブディジタル端末へ所定のデッドライン内に供給できなければ、スレーブディジタル端末は受信したサービスにアクセスすることはできない。
2 スレーブディジタル端末
4 衛星アンテナ
5 ブロードキャストシステム
10,20 チューナ/復調器
11,21 デマルチプレクサ/フィルタ
12,22 デスクランブラ
13,23 MPEGデコーダ
17,27 ペアリングアプリケーションモジュール
14,24 アクセスコントロールモジュール
15,25 スマートカード
16,26 通信ポート
Claims (4)
- マスタディジタル端末と接続する手段、および、保護されたディジタルデータを受け取
る手段を有するスレーブディジタル端末において、
ブロードキャストから専用のメッセージを受け取ると、権限を削除する手段と、
前記ブロードキャストから情報の項目を受信する手段と、
前記マスタディジタル端末へ前記情報の項目を送ることによって、権限を要求する手段と、
前記マスタディジタル端末から、権限を受け取る手段と、
前記要求を送った時からカウントして所定時間内に、前記マスタディジタル端末から前
記権限を受け取らなかった場合、ブロックする手段と
を備えたことを特徴とするスレーブディジタル端末。 - マスタディジタル端末と接続する手段、および、ブロードキャストから保護されたディ
ジタルデータを受け取る手段を有するスレーブディジタル端末において、
ブロードキャストから専用のメッセージを受け取ると、権限を削除する手段と、
前記マスタディジタル端末を経由して、フィルタリングデータを受け取る手段と、
前記フィルタリングデータによって初期化され、権限を取り出すために、前記ブロードキャストからの保護されたディジタルデータをフィルタリングする手段であって、前記権限が、前記マスタディジタル端末における前記フィルタリングデータの受信からカウントして所定の時間内に更新されるフィルタリングする手段と
を備えたことを特徴とするスレーブディジタル端末。 - マスタディジタル端末と接続する手段、および、保護されたディジタルデータを受け取
る手段を有する、スレーブディジタル端末において、
ブロードキャストから、第1の権限を受け取る手段と、
前記マスタディジタル端末へ、第2の権限に対する要求を送る手段と、
前記マスタディジタル端末から前記第2の権限を受け取る手段と、
ここで、前記第2の権限は前記第1の権限に対し相補的であり、
完全な権限を形成するために、前記第1の権限と前記第2の権限とを結合する手段と、
前記要求を送った時からカウントして所定時間内だけ、前記第2の権限を待つ手段と、
を備えたことを特徴とするスレーブディジタル端末。 - 復号キーを有するメッセージを前記ブロードキャストから受け取る手段と、
シークレットコードを有するメッセージを前記ブロードキャストから受け取る手段と、
前記シークレットコードを、前記要求した前記マスタディジタル端末へ送る手段と、
を備えた、請求項3記載のスレーブディジタル端末。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0300941 | 2003-01-20 | ||
FR03/00941 | 2003-01-20 | ||
EP03291099A EP1439697A1 (fr) | 2003-01-20 | 2003-05-07 | Système de reception de données numériques diffusées comprenant un terminal numérique maítre, et au moins un terminal numérique esclave |
EP03291099.4 | 2003-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004343688A JP2004343688A (ja) | 2004-12-02 |
JP4913989B2 true JP4913989B2 (ja) | 2012-04-11 |
Family
ID=33518397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004012365A Expired - Fee Related JP4913989B2 (ja) | 2003-01-20 | 2004-01-20 | ブロードキャストディジタルデータ受信システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8060902B2 (ja) |
EP (2) | EP1439697A1 (ja) |
JP (1) | JP4913989B2 (ja) |
KR (1) | KR101070506B1 (ja) |
CN (1) | CN100411438C (ja) |
MX (1) | MXPA04000571A (ja) |
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FR2872651B1 (fr) * | 2004-07-01 | 2006-09-22 | Viaccess Sa | Procede de transmission d'un message contenant une description d'une action a executer dans un equipement recepteur |
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EP1628481B1 (en) * | 2004-08-11 | 2010-09-01 | Thomson Licensing | Device pairing |
FR2878114A1 (fr) * | 2005-02-24 | 2006-05-19 | Thomson Licensing Sa | Methode d'appariement d'un decodeur maitre et de decodeurs esclaves |
US20060212535A1 (en) * | 2005-03-21 | 2006-09-21 | Marvell World Trade Ltd. | Network system for distributing protected content |
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US8683080B2 (en) | 2005-03-21 | 2014-03-25 | Marvell World Trade Ltd. | Network system for distributing protected content |
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CN1579095A (zh) * | 2001-10-29 | 2005-02-09 | 松下电器产业株式会社 | 基线内容保护和复制管理数字视频广播的装置 |
US7398392B2 (en) * | 2002-11-15 | 2008-07-08 | Cable Television Laboratories, Inc. | Method for using communication channel round-trip response time for digital asset management |
KR100456162B1 (ko) * | 2002-12-14 | 2004-11-09 | 한국전자통신연구원 | 디지털 케이블 티비 제한수신시스템에서 키 업데이트 방법 |
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2003
- 2003-05-07 EP EP03291099A patent/EP1439697A1/fr not_active Withdrawn
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2004
- 2004-01-15 CN CNB2004100022115A patent/CN100411438C/zh not_active Expired - Fee Related
- 2004-01-19 MX MXPA04000571A patent/MXPA04000571A/es active IP Right Grant
- 2004-01-19 KR KR1020040003903A patent/KR101070506B1/ko not_active IP Right Cessation
- 2004-01-20 EP EP04100168.6A patent/EP1441525B1/en not_active Expired - Fee Related
- 2004-01-20 US US10/761,512 patent/US8060902B2/en not_active Expired - Fee Related
- 2004-01-20 JP JP2004012365A patent/JP4913989B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN100411438C (zh) | 2008-08-13 |
EP1441525B1 (en) | 2014-09-10 |
CN1518361A (zh) | 2004-08-04 |
US20040257470A1 (en) | 2004-12-23 |
EP1439697A1 (fr) | 2004-07-21 |
US8060902B2 (en) | 2011-11-15 |
JP2004343688A (ja) | 2004-12-02 |
KR20040067970A (ko) | 2004-07-30 |
EP1441525A1 (en) | 2004-07-28 |
KR101070506B1 (ko) | 2011-10-05 |
MXPA04000571A (es) | 2005-02-17 |
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