JP2012530403A - Pam技術を使用したhdmi・tmds光信号伝送 - Google Patents
Pam技術を使用したhdmi・tmds光信号伝送 Download PDFInfo
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- JP2012530403A JP2012530403A JP2012515209A JP2012515209A JP2012530403A JP 2012530403 A JP2012530403 A JP 2012530403A JP 2012515209 A JP2012515209 A JP 2012515209A JP 2012515209 A JP2012515209 A JP 2012515209A JP 2012530403 A JP2012530403 A JP 2012530403A
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- Prior art keywords
- tmds
- optical
- pam
- signal
- hdmi cable
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/12—Use of DVI or HDMI protocol in interfaces along the display data pipeline
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/18—Use of optical transmission of display information
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optical Communication System (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Systems (AREA)
Abstract
【選択図】図2
Description
本出願は、2009年6月13日に出願された米国仮出願第61/186,821号の利益を主張する。この出願は、引用により本明細書に援用されるものである。
Claims (6)
- オーディオおよびビデオ情報(TMDS0、TMDS1、TMDS2)に関連する複数の遷移時間最短差動信号(TMDS)、TMDSクロック信号、並びに、関連する制御および出力信号を伝送するアクティブ高品位マルチメディアインターフェース(HDMI)ケーブル接続であって、
複数のTMDS情報信号およびTMDSクロック信号に応答して、複数の位相合わせされた情報信号を生成する位相アラインメント要素と、
前記位相アライメント要素により生成された複数の位相合わせされた情報信号に応答して、前記複数のTMDS情報信号を示す位相振幅変調(PAM)光情報信号を生成する光変調器と、
第1端部が前記光変調器の出力に接続された単一の光ファイバであって、当該光ファイバに沿ったPAM光情報信号の伝播をサポートする単一の光ファイバと、
TMDSクロック信号および複数のHDMI電気制御信号を伝送する複数の電気信号導体と、
前記単一の光ファイバの第1端部と反対側の第2端部に接続された光−電気(O/E)変換要素であって、伝播するPAM光情報信号を受信するとともに、受信したPAM光情報信号を電気表現に変換する光−電気(O/E)変換要素と、
前記PAM光信号の電気表現および受信したTMDSクロック信号に応答して、それらから、位相合わせされた情報信号を回復させるアナログ/デジタル変換(ADC)要素と、
位相合わせされた情報信号に応答して、TMDS情報信号を生成する複数のTMDSドライバ要素とを備えることを特徴とするアクティブHDMIケーブル接続。 - 請求項1に記載のアクティブHDMIケーブル接続において、
前記単一の光ファイバが、マルチモード光ファイバを含むことを特徴とするアクティブHDMIケーブル接続。 - 請求項1に記載のアクティブHDMIケーブル接続において、
前記単一の光ファイバが、シングルモード光ファイバを含むことを特徴とするアクティブHDMIケーブル接続。 - 請求項1に記載のアクティブHDMIケーブル接続において、
前記光変調器が、マッハツェンダー干渉計(MZI)を含み、さらに連続波(CW)光信号に応答するものであり、
複数の位相合わせされた情報信号が、前記MZIへの電気入力として加えられるとともに、CW光信号を変調して前記PAM光情報信号を生成することを特徴とするアクティブHDMIケーブル接続。 - 請求項1に記載のアクティブHDMIケーブル接続において、
前記光変調器が、複数の位相合わせされた情報信号に応答して、前記PAM光情報信号を生成する面発光レーザ(VCSEL)を含むことを特徴とするアクティブHDMIケーブル接続。 - 請求項1に記載のアクティブHDMIケーブル接続において、
前記光変調器が、複数のTMDS情報信号およびTMDSクロック信号に応答して、電気PAM情報信号を生成するデジタル/アナログ変換器(DAC)と、
前記電気PAM情報信号に応答して、前記電気PAM情報信号を前記PAM光情報信号に変換する電気−光(E/O)変換要素とを含むことを特徴とするアクティブHDMIケーブル接続。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18682109P | 2009-06-13 | 2009-06-13 | |
US61/186,821 | 2009-06-13 | ||
US12/813,562 US8340529B2 (en) | 2009-06-13 | 2010-06-11 | HDMI TMDS optical signal transmission using PAM technique |
US12/813,562 | 2010-06-11 | ||
PCT/US2010/038456 WO2010144894A2 (en) | 2009-06-13 | 2010-06-14 | Hdmi tmds optical signal transmission using pam technique |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012530403A true JP2012530403A (ja) | 2012-11-29 |
JP5426761B2 JP5426761B2 (ja) | 2014-02-26 |
Family
ID=43306548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012515209A Expired - Fee Related JP5426761B2 (ja) | 2009-06-13 | 2010-06-14 | Pam技術を使用したhdmi・tmds光信号伝送 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8340529B2 (ja) |
EP (1) | EP2441247B1 (ja) |
JP (1) | JP5426761B2 (ja) |
KR (1) | KR101563039B1 (ja) |
CN (1) | CN102804765B (ja) |
CA (1) | CA2764696C (ja) |
SG (1) | SG176635A1 (ja) |
WO (1) | WO2010144894A2 (ja) |
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US9684942B2 (en) | 2013-09-11 | 2017-06-20 | Apple Inc. | Link aggregator for an electronic display |
US9270929B2 (en) * | 2013-12-19 | 2016-02-23 | Lattice Semiconductor Corporation | Formatting audio-video information compliant with first transmission format to second transmission format in integrated circuit for offloading physical layer logic for first transmission format to separate integrated circuit |
US9356402B2 (en) * | 2014-03-04 | 2016-05-31 | Lattice Semiconductor Corporation | Multimedia link having a plug and a receptacle with a power line configured as a signal return path |
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WO2017123243A1 (en) * | 2016-01-15 | 2017-07-20 | Hewlett Packard Enterprise Development Lp | Optical signal modulation |
WO2017141848A1 (ja) * | 2016-02-16 | 2017-08-24 | パナソニックIpマネジメント株式会社 | Av信号出力装置、av信号入力装置及びav信号入出力システム |
CN109196872B (zh) * | 2016-06-01 | 2021-01-01 | 松下知识产权经营株式会社 | 发送装置、接收装置、线缆、发送方法以及接收方法 |
KR102036539B1 (ko) * | 2016-07-20 | 2019-10-28 | 전자부품연구원 | 고효율 광신호 전송을 위한 펄스진폭변조 기반 광송신기 |
EP3531705B1 (en) * | 2016-10-20 | 2021-08-11 | Aim Electronics Co., Ltd. | Hdmi optical cable and hdmi optical conversion apparatus |
CN110572625B (zh) * | 2019-03-12 | 2022-03-18 | 飞昂创新科技南通有限公司 | 光学数据互连系统 |
CN110661991A (zh) * | 2019-03-12 | 2020-01-07 | 飞昂创新科技南通有限公司 | 目标供电的光学数据互连系统 |
CN110572602B (zh) * | 2019-03-12 | 2021-10-15 | 飞昂创新科技南通有限公司 | 用于光学数据互连系统的激活的电池触发 |
CN113347397B (zh) * | 2021-06-08 | 2022-07-29 | 飞昂创新科技南通有限公司 | 一种数字音视频信号及带外信号的全光传输电路及方法 |
CN118074820A (zh) * | 2023-06-19 | 2024-05-24 | 长芯盛(武汉)科技有限公司 | 信号传输装置及信号传输方法 |
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- 2010-06-14 KR KR1020127000774A patent/KR101563039B1/ko active IP Right Grant
- 2010-06-14 CA CA2764696A patent/CA2764696C/en not_active Expired - Fee Related
- 2010-06-14 JP JP2012515209A patent/JP5426761B2/ja not_active Expired - Fee Related
- 2010-06-14 CN CN201080026038.6A patent/CN102804765B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP2441247A4 (en) | 2014-04-23 |
WO2010144894A2 (en) | 2010-12-16 |
EP2441247B1 (en) | 2017-12-13 |
CN102804765B (zh) | 2016-05-04 |
KR20120039621A (ko) | 2012-04-25 |
CA2764696A1 (en) | 2010-12-16 |
WO2010144894A3 (en) | 2011-04-14 |
CA2764696C (en) | 2016-04-19 |
JP5426761B2 (ja) | 2014-02-26 |
KR101563039B1 (ko) | 2015-10-26 |
CN102804765A (zh) | 2012-11-28 |
EP2441247A2 (en) | 2012-04-18 |
US8340529B2 (en) | 2012-12-25 |
SG176635A1 (en) | 2012-01-30 |
US20100316388A1 (en) | 2010-12-16 |
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