JP4459899B2 - 無線信号分配装置及び、無線信号分配装置を備える受信システム - Google Patents
無線信号分配装置及び、無線信号分配装置を備える受信システム Download PDFInfo
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- JP4459899B2 JP4459899B2 JP2005501539A JP2005501539A JP4459899B2 JP 4459899 B2 JP4459899 B2 JP 4459899B2 JP 2005501539 A JP2005501539 A JP 2005501539A JP 2005501539 A JP2005501539 A JP 2005501539A JP 4459899 B2 JP4459899 B2 JP 4459899B2
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- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000010287 polarization Effects 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000017105 transposition Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
- H04H20/63—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast to plural spots in a confined site, e.g. MATV [Master Antenna Television]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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]
- H04N21/60—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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
Claims (9)
- 無線信号を分配する装置であって:
デコーダ(2)に接続される対象の少なくとも2つの信号入力/出力(S1乃至S4、E/S3、E/S4)と、
該信号入力/出力を該信号入力/出力間で通信周波数帯域においてリンクして、予約された周波数帯域の周波数の通過が阻止される一方で、該デコーダ(2)間の通信チャネルに対応する該通信周波数帯域が該信号入力/出力(S1乃至S4、E/S3、E/S4)を通過することを可能にする少なくとも1つの通信手段(150)と
を備え、
該少なくとも1つの通信手段(150)が帯域通過フィルタであり、該帯域通過フィルタの帯域幅が該通信周波数帯域に対応することを特徴とする装置。 - 請求項1記載の装置であって、更に:
2つの別個の受信装置(201、202)に接続される対象の少なくとも2つの第2信号入力/出力(E/S1、E/S2);
を備え;
該第2入力/出力(E/S1、E/S2)の各々が、1つの第1入力/出力(E/S3、E/S4)に、該通信周波数帯域を阻止するフィルタ(301、302)を介して接続されることを特徴とする装置。 - 請求項1記載の装置であって、更に:
2つの別個の受信装置(201、202)に接続される対象の少なくとも2つの第2信号入力/出力(E1、E2);及び
該第1入力/出力(E1、E2)の各々を該第2入力/出力(S1乃至S4)の各々に選択信号に応じて接続することを可能にするスイッチング・マトリックス(110);
を備え;
該スイッチング・マトリックス(110)には該通信周波数帯域を抑制する手段(114)が装備されていることを特徴とする装置。 - 請求項1記載の装置であって:
電波を電気信号に変換する複数出力変換ユニット(100)であり;
更に、送信周波数帯域を少なくとも2つの中間周波数帯域に変換する少なくとも2つの移調手段(125乃至134);及び
対象の該第1入力/出力(S1、S2、S3、S4)の各々が該移調手段の各々に接続されることを可能にする少なくとも2つの選択手段(112、113、115);
を備えることを特徴とする装置。 - 請求項4記載の装置であって:
該送信周波数帯域が、2つの異なる偏波に対応する少なくとも2つの中間周波数帯域に分離されることを特徴とする装置。 - 請求項4又は5記載の装置であって:
該送信周波数帯域が、少なくとも2つの中間周波数帯域に分離され;
該少なくとも2つの中間周波数帯域は、同じ偏波に対応する一方、該少なくとも2つの中間周波数帯域の帯域幅が実質的に2分の1の広さであることを特徴とする装置。 - 請求項4乃至6の何れか記載の装置であって:
4つの入力/出力(S1、S2、S3、S4);及び
少なくとも3つの通信手段(150);
を備えることを特徴とする装置。 - 衛星番組受信システムであって:
電波に対応する少なくとも2つの電気信号源;
を備え;
該電気信号源は少なくとも2つの入力/出力(S1、S2、S3、S4)を有し;
更に、少なくとも2つのデコーダ(2);
を備え;
該デコーダの各々は、該電気信号源の該入力/出力(S1、S2、S3、S4)のうちの1つに、2つの別個の同軸ケーブルによって接続され;
該2つのデコーダ(2)は該デコーダ間で該同軸ケーブルを介してデータを交換し;
更に、請求項2又は3記載の少なくとも1つの装置を備え;
該装置の第1入力/出力は該デコーダに接続され、該装置の第2入力/出力は該信号源に接続されることを特徴とする衛星番組受信システム。 - 衛星番組受信システムであって:
電波を電気信号に変換する少なくとも1つのユニット (100);
を備え;
該ユニットは少なくとも2つの入力/出力(S1、S2、S3、S4)を有し;
更に、少なくとも2つのデコーダ(2);
を備え;
該デコーダの各々は、該ユニット(100)の該入力/出力(S1、S2、S3、S4)のうちの1つに、2つの別個の同軸ケーブルによって接続され;
該2つのデコーダ(2)は該デコーダ間で該同軸ケーブルを介してデータを交換し;かつ
該ユニット(100)は請求項4乃至7何れか記載の装置であることを特徴とする衛星番組受信システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0213460 | 2002-10-23 | ||
FR0300572 | 2003-02-20 | ||
PCT/FR2003/003106 WO2004038965A1 (fr) | 2002-10-23 | 2003-10-21 | Dispositif de distribution de signaux radio et systeme de reception incorporant ledit dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006504364A JP2006504364A (ja) | 2006-02-02 |
JP4459899B2 true JP4459899B2 (ja) | 2010-04-28 |
Family
ID=32178802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005501539A Expired - Fee Related JP4459899B2 (ja) | 2002-10-23 | 2003-10-21 | 無線信号分配装置及び、無線信号分配装置を備える受信システム |
Country Status (9)
Country | Link |
---|---|
US (1) | US8739227B2 (ja) |
EP (1) | EP1554824A1 (ja) |
JP (1) | JP4459899B2 (ja) |
KR (1) | KR100984838B1 (ja) |
CN (1) | CN1706131B (ja) |
AU (1) | AU2003285416A1 (ja) |
BR (1) | BR0315378A (ja) |
MX (1) | MXPA05004246A (ja) |
WO (1) | WO2004038965A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2861939B1 (fr) * | 2003-10-31 | 2006-03-31 | Neotion | Boitier de liaison de recepteurs satellite. |
EP1558035B1 (fr) * | 2004-01-20 | 2008-06-11 | STMicroelectronics S.A. | Procédé et système de distribution dans une installation de réception satellitaire |
MXPA06013377A (es) | 2004-05-20 | 2007-01-23 | Thomson Licensing | Soporte para multiples dispositivos maestros del protocolo de control de equipo digital de satelite (diseqc) en un sistema de distribucion de video. |
JP5140432B2 (ja) * | 2004-12-14 | 2013-02-06 | トムソン ライセンシング | 周波数変換装置 |
US7814527B2 (en) * | 2005-04-12 | 2010-10-12 | Thomson Licensing | Device and process for pairing a master decoder and slave decoders and reception system incorporating said device |
JP4429984B2 (ja) * | 2005-07-25 | 2010-03-10 | シャープ株式会社 | ローノイズブロックコンバータ |
US8345798B2 (en) * | 2008-05-21 | 2013-01-01 | Entropic Communications, Inc. | Channel stacking system and method of operation |
TWI645690B (zh) * | 2014-02-17 | 2018-12-21 | 環球英發康股份有限公司 | 數位資料處理設備及方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07107966B2 (ja) * | 1985-07-18 | 1995-11-15 | 株式会社東芝 | スイツチ分配装置 |
FR2649570B1 (fr) * | 1989-07-04 | 1991-09-20 | Thomson Composants Microondes | Systeme de reception de signaux t.v. retransmis par satellites |
JP2788560B2 (ja) * | 1991-07-10 | 1998-08-20 | 富士通株式会社 | 受信衛星切換装置 |
US6622304B1 (en) * | 1996-09-09 | 2003-09-16 | Thomas W. Carhart | Interface system for computing apparatus and communications stations |
US5905940A (en) * | 1997-02-04 | 1999-05-18 | Arvisais; Georges J. | Video communication method |
US5940737A (en) * | 1997-02-27 | 1999-08-17 | Hughes Electronics Corporation | Signal selector |
JPH1141132A (ja) * | 1997-07-24 | 1999-02-12 | Toshiba Corp | 無線通信装置 |
EP0985315A2 (en) * | 1998-02-16 | 2000-03-15 | Koninklijke Philips Electronics N.V. | Satellite receiver |
FR2777700B1 (fr) * | 1998-04-20 | 2000-07-07 | Org Europeenne Telecommunications Par Satellite Eutelsat | Agencement de convertisseur de frequences pour antennes parabolique |
US6088569A (en) * | 1998-04-23 | 2000-07-11 | Motorola, Inc. | Method and apparatus for receiving a plurality of signals having different frequency bandwidths |
JP3562985B2 (ja) * | 1999-01-27 | 2004-09-08 | アルプス電気株式会社 | 衛星放送受信用コンバータ |
JP3600765B2 (ja) * | 1999-10-29 | 2004-12-15 | シャープ株式会社 | 受信装置 |
JP2001230695A (ja) * | 2000-02-16 | 2001-08-24 | Nec Corp | 無線機及びそれに使用する周波数変換方法 |
WO2002065780A1 (en) * | 2001-02-14 | 2002-08-22 | Satellite Accessories, Llc | Broadcast television and satellite signal switching system and method for telephony signal insertion |
US7142809B1 (en) * | 2001-02-27 | 2006-11-28 | The Directv Group, Inc. | Device and method to locally fill gaps in spotbeam satellite systems with frequency re-use |
GB0117591D0 (en) * | 2001-07-18 | 2001-09-12 | Zarlink Semiconductor Ltd | Television tuner |
JP2003124832A (ja) * | 2001-07-26 | 2003-04-25 | Sharp Corp | 衛星放送受信用コンバータ及び衛星放送受信システム |
US7849140B2 (en) * | 2002-08-29 | 2010-12-07 | Oracle America, Inc. | Peer-to-peer email messaging |
-
2003
- 2003-10-21 EP EP03778415A patent/EP1554824A1/fr not_active Withdrawn
- 2003-10-21 CN CN2003801017546A patent/CN1706131B/zh not_active Expired - Fee Related
- 2003-10-21 US US10/531,742 patent/US8739227B2/en not_active Expired - Fee Related
- 2003-10-21 AU AU2003285416A patent/AU2003285416A1/en not_active Abandoned
- 2003-10-21 MX MXPA05004246A patent/MXPA05004246A/es active IP Right Grant
- 2003-10-21 JP JP2005501539A patent/JP4459899B2/ja not_active Expired - Fee Related
- 2003-10-21 BR BR0315378-9A patent/BR0315378A/pt not_active Application Discontinuation
- 2003-10-21 KR KR1020057006792A patent/KR100984838B1/ko not_active IP Right Cessation
- 2003-10-21 WO PCT/FR2003/003106 patent/WO2004038965A1/fr active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
US8739227B2 (en) | 2014-05-27 |
AU2003285416A1 (en) | 2004-05-13 |
MXPA05004246A (es) | 2005-07-05 |
US20060195871A1 (en) | 2006-08-31 |
CN1706131A (zh) | 2005-12-07 |
CN1706131B (zh) | 2013-05-01 |
KR20050071596A (ko) | 2005-07-07 |
JP2006504364A (ja) | 2006-02-02 |
EP1554824A1 (fr) | 2005-07-20 |
BR0315378A (pt) | 2005-08-23 |
KR100984838B1 (ko) | 2010-10-04 |
WO2004038965A1 (fr) | 2004-05-06 |
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