JP4277910B2 - デジタル放送受信装置 - Google Patents
デジタル放送受信装置 Download PDFInfo
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- JP4277910B2 JP4277910B2 JP2007031565A JP2007031565A JP4277910B2 JP 4277910 B2 JP4277910 B2 JP 4277910B2 JP 2007031565 A JP2007031565 A JP 2007031565A JP 2007031565 A JP2007031565 A JP 2007031565A JP 4277910 B2 JP4277910 B2 JP 4277910B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
-
- 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
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/654—Transmission by server directed to the client
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Software Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Description
(A)本実施形態では、デジタル放送受信装置が、アナログ放送及びデジタル放送を受信する放送受信機1である場合について説明したが、デジタル放送受信装置がデジタル放送のみを受信する放送受信機である形態でもよい。
11A 受信部(第1受信手段)
11B 受信部(第2受信手段)
11C 制御信号受信部(第3受信手段)
15 ディスプレイ(モニタ)
16 CPU
161 表示制御部(表示制御手段)
18 インターフェイス部(通信手段)
2 ICカード
21 CPU
211 更新実行部(更新実行手段)
22 メモリ
221 復号化情報記憶部(復号化情報記憶手段)
23 復号部(復号化手段)
Claims (4)
- デジタル放送を受信し、外部から視認可能にモニタに出力可能に構成されると共に、デジタル放送を介して、暗号化されたデジタル放送を復号化するファームウェア情報を受信してインストール可能に構成されたデジタル放送受信装置であって、
1のデジタル放送を受信する第1受信手段と、
他のデジタル放送を受信する第2受信手段と、
ファームウェアを更新する旨の指示情報である更新指示信号を受信する第3受信手段と、
前記第1受信手段によって受信された1のデジタル放送に対応する映像をモニタに表示する表示制御手段と、
前記ファームウェア情報を格納する復号化情報記憶手段と、
前記第1受信手段によって暗号化されたデジタル放送が受信された場合に、前記復号化情報記憶手段に格納されたファームウェアを介して、受信された暗号化されたデジタル放送を復号化する復号化手段と、
前記第3受信手段によって更新指示信号が受信された場合に、前記第2受信手段を介して、ファームウェア情報を取得して、取得されたファームウェア情報をインストールする更新実行手段と、
ICカードが着脱自在に構成され、装着されたICカードとの通信を行う通信手段と、
を備え、
前記更新実行手段、復号化情報記憶手段及び復号化手段は、前記通信手段に装着されたICカード内に形成されており、
前記表示制御手段は、前記第1受信手段によって暗号化されたデジタル放送が受信された場合に、前記復号化手段によって復号化されたデジタル放送に対応する映像をモニタに表示すると共に、前記第3受信手段によって更新指示信号が受信された場合に、暗号化されたデジタル放送を表示することができない旨の情報をモニタに表示し、
前記第1受信手段、第2受信手段及び第3受信手段は、ケーブルを介して情報を受信し、
前記第3受信手段は、放送信号の周波数帯域とは異なる予め設定された特定の周波数帯域を介して、更新指示信号を受信することを特徴とするデジタル放送受信装置。 - デジタル放送を受信し、外部から視認可能にモニタに出力可能に構成されると共に、デジタル放送を介して、暗号化されたデジタル放送を復号化するファームウェア情報を受信してインストール可能に構成されたデジタル放送受信装置であって、
1のデジタル放送を受信する第1受信手段と、
他のデジタル放送を受信する第2受信手段と、
ファームウェアを更新する旨の指示情報である更新指示信号を受信する第3受信手段と、
前記第1受信手段によって受信された1のデジタル放送に対応する映像をモニタに表示する表示制御手段と、
前記ファームウェア情報を格納する復号化情報記憶手段と、
前記第1受信手段によって暗号化されたデジタル放送が受信された場合に、前記復号化情報記憶手段に格納されたファームウェアを介して、受信された暗号化されたデジタル放送を復号化する復号化手段と、
前記第3受信手段によって更新指示信号が受信された場合に、前記第2受信手段を介して、ファームウェア情報を取得して、取得されたファームウェア情報をインストールする更新実行手段と、
ICカードが着脱自在に構成され、装着されたICカードとの通信を行う通信手段と、
を備え、
前記更新実行手段、復号化情報記憶手段及び復号化手段は、前記通信手段に装着されたICカード内に形成されており、
前記表示制御手段は、前記第1受信手段によって暗号化されたデジタル放送が受信された場合に、前記復号化手段によって復号化されたデジタル放送に対応する映像をモニタに表示することを特徴とするデジタル放送受信装置。 - 前記第1受信手段、第2受信手段及び第3受信手段は、ケーブルを介して情報を受信し、
前記第3受信手段は、放送信号の周波数帯域とは異なる予め設定された特定の周波数帯域を介して、更新指示信号を受信することを特徴とする請求項2に記載のデジタル放送受信装置。 - 前記表示制御手段は、前記第3受信手段によって更新指示信号が受信された場合に、暗号化されたデジタル放送を表示することができない旨の情報をモニタに表示することを特徴とする請求項2又は請求項3に記載のデジタル放送受信装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007031565A JP4277910B2 (ja) | 2007-02-13 | 2007-02-13 | デジタル放送受信装置 |
US12/068,859 US20080205645A1 (en) | 2007-02-13 | 2008-02-12 | Digital broadcast reception apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007031565A JP4277910B2 (ja) | 2007-02-13 | 2007-02-13 | デジタル放送受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008199242A JP2008199242A (ja) | 2008-08-28 |
JP4277910B2 true JP4277910B2 (ja) | 2009-06-10 |
Family
ID=39715935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007031565A Expired - Fee Related JP4277910B2 (ja) | 2007-02-13 | 2007-02-13 | デジタル放送受信装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080205645A1 (ja) |
JP (1) | JP4277910B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010141577A (ja) * | 2008-12-11 | 2010-06-24 | Sharp Corp | ファームウェアデータ供給装置、ファームウェアデータ供給方法およびファームウェア更新システム、ファームウェアデータ供給プログラムおよび記録媒体 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7162642B2 (en) * | 1999-01-06 | 2007-01-09 | Digital Video Express, L.P. | Digital content distribution system and method |
EP1848214A4 (en) * | 2005-01-26 | 2010-04-21 | Panasonic Corp | DOWNLOAD EXECUTION DEVICE |
KR101215350B1 (ko) * | 2005-09-14 | 2012-12-26 | 엘지전자 주식회사 | 케이블 방송 수신기 및 펌웨어 업그레이드 방법 |
-
2007
- 2007-02-13 JP JP2007031565A patent/JP4277910B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-12 US US12/068,859 patent/US20080205645A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20080205645A1 (en) | 2008-08-28 |
JP2008199242A (ja) | 2008-08-28 |
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