JP4434267B2 - インターフェース回路 - Google Patents
インターフェース回路 Download PDFInfo
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- JP4434267B2 JP4434267B2 JP2007303185A JP2007303185A JP4434267B2 JP 4434267 B2 JP4434267 B2 JP 4434267B2 JP 2007303185 A JP2007303185 A JP 2007303185A JP 2007303185 A JP2007303185 A JP 2007303185A JP 4434267 B2 JP4434267 B2 JP 4434267B2
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- 230000005540 biological transmission Effects 0.000 claims description 90
- 230000007175 bidirectional communication Effects 0.000 claims description 7
- 230000006854 communication Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 238000005513 bias potential Methods 0.000 claims description 4
- 241000287463 Phalacrocorax Species 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 21
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- 238000010586 diagram Methods 0.000 description 13
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- 238000000034 method Methods 0.000 description 8
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- 238000007796 conventional method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
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- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
- H04L25/0276—Arrangements for coupling common mode signals
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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
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0292—Arrangements specific to the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/493—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0091—Transmitter details
-
- 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
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- 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
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- 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
- H04N21/643—Communication protocols
- H04N21/64322—IP
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dc Digital Transmission (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Small-Scale Networks (AREA)
Description
110 シンク機種検出回路
120 プラグ接続検出回路
140 ソース側送受信回路
160 イーサネット送受信回路
170 SPDIF受信回路
200 シンク機器
210 ソース機種検出回路
220 プラグ接続伝達回路
250 シンク側送受信回路
260 イーサネット送受信回路
270 SPDIF送信回路
300 HDMIケーブル
310、320、330 TMDSチャンネル
340 TMDSクロックチャンネル
350 ディスプレイデータチャンネル(DDC)
361 CECライン
362 リザーブライン
363 HPDライン
410、420、430、450 増幅器
441 インバータ
442、460 加算器
510、520、530、550 増幅器
541 インバータ
542、571、572 加算器
710 プレーヤ
711 内部クロック発生回路
712 クロック成分再構成回路
713 クロック切替器
714 制御マイコン
715 記録媒体アクセス部
716 復号器
717 記録媒体
720 AVアンプ
730 スピーカ
740 テレビジョン受像機器
Claims (14)
- 第1の信号を差動信号として伝送路を介して外部機器へ送信する第1の送信手段と、
第2の信号を同相信号として前記伝送路に重畳して前記外部機器へ送信する第2の送信手段と、
前記伝送路に含まれる一対の差動伝送路を介して前記外部機器と通信を行う通信部であって、前記一対の差動伝送路のうち少なくとも一方の直流バイアス電位によって前記外部機器へ自装置の接続状態を通知する通信部と
を具備するインターフェース回路。 - 前記第2の信号は、クロック成分を含む信号である請求項1記載のインターフェース回路。
- 前記第2の信号は、バイフェーズマーク変調された信号を含む請求項2記載のインターフェース回路。
- 前記第2の信号は、SPDIF信号である請求項1記載のインターフェース回路。
- 前記伝送路における差動信号から前記第1の信号を取り除いて第3の信号として受信する受信手段をさらに具備する請求項1記載のインターフェース回路。
- 前記第1の送信手段および前記受信手段は、インターネットプロトコル(IP)に準拠した双方向通信を行う請求項5記載のインターフェース回路。
- 前記伝送路は、HDMIケーブルを構成するリザーブラインおよびホットプラグ検出ラインである請求項5記載のインターフェース回路。
- 外部機器から伝送路を介して受信した差動信号から第1の信号を抽出する第1の受信手段と、
前記外部機器から前記伝送路を介して受信した同相信号から第2の信号を抽出する第2の受信手段と、
前記伝送路に含まれる一対の差動伝送路を介して前記外部機器と通信を行う通信部であって、前記一対の差動伝送路のうち少なくとも一方の直流バイアス電位によって前記外部機器からの接続状態の通知を受ける通信部と
を具備するインターフェース回路。 - 前記第2の信号は、クロック成分を含む信号である請求項8記載のインターフェース回路。
- 前記第2の信号は、バイフェーズマーク変調された信号を含む請求項9記載のインターフェース回路。
- 前記第2の信号は、SPDIF信号である請求項8記載のインターフェース回路。
- 第3の信号を差動信号として前記伝送路を介して前記外部機器へ送信する送信手段をさらに具備し、
前記第1の受信手段は、前記伝送路における差動信号から前記第3の信号を取り除いて前記第1の信号を抽出する
請求項8記載のインターフェース回路。 - 前記第1の受信手段および前記送信手段は、インターネットプロトコル(IP)に準拠した双方向通信を行う請求項12記載のインターフェース回路。
- 前記伝送路は、HDMIケーブルを構成するリザーブラインおよびホットプラグ検出ラインである請求項12記載のインターフェース回路。
Priority Applications (22)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007303185A JP4434267B2 (ja) | 2007-11-22 | 2007-11-22 | インターフェース回路 |
CN201310412363.1A CN103475610B (zh) | 2007-11-22 | 2008-11-13 | 接口电路 |
EP08851218.1A EP2222040B1 (en) | 2007-11-22 | 2008-11-13 | Interface circuit |
KR1020097014046A KR101007420B1 (ko) | 2007-11-22 | 2008-11-13 | 인터페이스 회로 |
CN201410215064.3A CN103957449B (zh) | 2007-11-22 | 2008-11-13 | 接口电路 |
KR1020107008094A KR101009188B1 (ko) | 2007-11-22 | 2008-11-13 | 수신 장치, 출력 장치, 및 인터페이스 회로 |
PCT/JP2008/070693 WO2009066607A1 (ja) | 2007-11-22 | 2008-11-13 | インターフェース回路 |
KR1020107008095A KR101009230B1 (ko) | 2007-11-22 | 2008-11-13 | 송신 장치, 출력 장치, 및 인터페이스 회로 |
CN201310412326.0A CN103533280B (zh) | 2007-11-22 | 2008-11-13 | 接口电路 |
US12/451,270 US9036666B2 (en) | 2007-11-22 | 2008-11-13 | Interface circuit for transmitting digital signals between devices |
CN200880016886.1A CN101682589B (zh) | 2007-11-22 | 2008-11-13 | 接口电路 |
US12/771,126 US8824512B2 (en) | 2007-11-22 | 2010-04-30 | Interface circuit for receiving digital signals between devices |
US12/844,425 US8260955B2 (en) | 2007-11-22 | 2010-07-27 | Interface circuit for transmitting and receiving digital signals between devices |
US12/844,447 US8340138B2 (en) | 2007-11-22 | 2010-07-27 | Interface circuit |
US12/844,398 US8000355B2 (en) | 2007-11-22 | 2010-07-27 | Interface circuit |
US13/569,461 US8639841B2 (en) | 2007-11-22 | 2012-08-08 | Interface circuit for transmitting and receiving digital signals between devices |
US13/600,858 US9191136B2 (en) | 2007-11-22 | 2012-08-31 | Interface circuit |
US14/098,783 US9009335B2 (en) | 2007-11-22 | 2013-12-06 | Interface circuit for transmitting and receiving digital signals between devices |
US14/621,779 US9231720B2 (en) | 2007-11-22 | 2015-02-13 | Interface circuit for transmitting and receiving digital signals between devices |
US14/940,365 US9667369B2 (en) | 2007-11-22 | 2015-11-13 | Interface circuit for transmitting and receiving digital signals between devices |
US15/491,485 US10033553B2 (en) | 2007-11-22 | 2017-04-19 | Interface circuit for transmitting and receiving digital signals between devices |
US16/008,505 US20180294998A1 (en) | 2007-11-22 | 2018-06-14 | Interface Circuit For Transmitting And Receiving Digital Signals Between Devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007303185A JP4434267B2 (ja) | 2007-11-22 | 2007-11-22 | インターフェース回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010001615A Division JP4596085B2 (ja) | 2010-01-07 | 2010-01-07 | インターフェース回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009130606A JP2009130606A (ja) | 2009-06-11 |
JP4434267B2 true JP4434267B2 (ja) | 2010-03-17 |
Family
ID=40667431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007303185A Active JP4434267B2 (ja) | 2007-11-22 | 2007-11-22 | インターフェース回路 |
Country Status (6)
Country | Link |
---|---|
US (12) | US9036666B2 (ja) |
EP (1) | EP2222040B1 (ja) |
JP (1) | JP4434267B2 (ja) |
KR (3) | KR101009188B1 (ja) |
CN (4) | CN103957449B (ja) |
WO (1) | WO2009066607A1 (ja) |
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