CN1913613B - Hdmi线缆接口 - Google Patents

Hdmi线缆接口 Download PDF

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Publication number
CN1913613B
CN1913613B CN2006101098106A CN200610109810A CN1913613B CN 1913613 B CN1913613 B CN 1913613B CN 2006101098106 A CN2006101098106 A CN 2006101098106A CN 200610109810 A CN200610109810 A CN 200610109810A CN 1913613 B CN1913613 B CN 1913613B
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hdmi
cable
pin
transducer
peripheral unit
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CN1913613A (zh
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爱因斯坦·C·加朗
德米安·马丁
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Monster Cable Products Inc
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Monster Cable Products Inc
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/005—Intermediate parts for distributing signals
    • 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
    • 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
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/108—Adaptations for transmission by electrical cable the cable being constituted by a pair of wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
    • H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
    • H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

本发明提供一种用于将HDMI信号传送到远程位置的方法和装置。该方法将信号分离为大量沿着线缆传送的信号。在远程位置的接收端，将分离的信号集中为单个信号。描述了用于分离信号和集中分离的信号的装置。

Description

HDMI线缆接口
相关申请的交叉参考
本申请是2002年9月24日提交的题为“DVI CABLEINTERFACE”的专利申请号10/254,485部分继续的申请，并且要求其优先权。
技术领域
本发明涉及用于电气装置的接口。具体地，本发明涉及具有被称为高清晰多媒体接口或HDMI的用于数字显示装置的数字视频接口(DVI)的HDMI变体的线缆。更具体地，本发明涉及用于将HDMI接口连接至多条线缆的互连板。
背景技术
高清晰多媒体接口(HDMI)是一种响应于数字平板显示器的迅速增长而开发的显示接口。HDMI接口变得越来越普遍，并且预料会更广泛地用于数字显示装置(包括平板显示器和新兴数字CRT)。数字HDMI连接器具有19个引脚(pin，针)，它们可以容纳TMDS和任选的CEC通道链路以及VESA增强DDC和EDID服务。HDMI标准定义了两种类型的连接器。可连接到连接器的标准HDMI线缆是19导体线缆。HDMI线缆很昂贵并且不能够用于很长的距离。市场上可买到的最长的HDMI线缆的长度是48英尺(48′)。可使用HDMI线缆的唯一选择是双向数模转换(double digital analogconversion)。来自计算机的数字信号必须被转换为用于模拟VGA接口的模拟信号，然后再将其转换回由平板显示器处理的数字信号。这种固有的低效处理在性能和视频质量上付出了代价并且增加了成本。相反地，当将显示器直接连接至数字接口时，就不需要进行数模转换。
合适的HDMI线缆配置是新一代电子装置(包括数字电视机、高清晰电视机(HDTV)和大型数据监控器)的主要元素。由于经常要从电子装置中移除显示器，因此这样的装置将需要很长的线缆。
发明内容
HDMI技术中存在数字信号需要经过很长距离的问题。显示SXGA需要的带宽是83MHZ。例如对于HDTV来说，如果期望更高的分辨率，则所需带宽也将相应的更宽。如果使用标准的19导体线缆，伴随着信号的电容性退化的串扰和辐射使得不能够维持长距离HDMI线缆的使用。如果使用传统的同轴线缆，为了减少这些问题，需要一束19芯线缆。因此，对能够长距离且成本合理的HDMI线缆系统有着长久的需求。
本发明广泛采用现在已被证实的线缆连接方法。一种类别的标准HDMI接口连接器被连接至用户连接器卡。该卡将接口的19输出连接器连接至多条双绞线线缆。相似的卡将双绞线线缆连接至相反类别的HDMI连接器。
本发明的系统允许诸如显示器的装置和诸如电视接收机或计算机的远距离源(remote source)之间的连接。这是以最低成本通过久经试验的元件来实现的。本发明可以用于使双绞线线缆穿过墙排列，其中，在墙的每一端均具有通过HDMI引出端(pigtail)连接至组件的转换器。
附图说明
图1是本发明的系统的框图。
图2是本发明的转换器103的俯视平面图。
具体实施方式
图1是本发明的系统的框图。组件源(component source)是HDMI信号源。组件源101可以是计算机，具体地，是计算机的视频输出。组件源101也可以是DVD播放器、电视机、或VCR，简而言之，可以是能够产生符合HDMI标准的信号的任何装置。虽然与HDMI线缆的直接连接也是可能的，但组件源101通常会通过标准DVD插孔(jack)传送信号。HDMI线缆102的一端连接至组件源101的输出。线缆102通常是特别适合于HDMI信号传输的十九(19)线线缆。线缆102的另一端连接至转换器103。线缆102与转换器103的连接可以通过HDMI插头和HDMI插孔进行或可以直接连接。转换器103将十九个输入信号转换为适合于双绞线线缆的多个信号。在优选实施例中，转换器103不包括任何有源组件。在优选实施例中，转换器103输出到三个RJ45插孔。多条双绞线线缆104的一端连接至转换器103。在优选实施例中，每条均具有四条双绞线的三条5类线缆被用作线缆104。为了具有更宽的带宽，可使用5E类、6类或最优化线缆。线缆104的另一端连接到第二转换器105的输入端。在优选实施例中，转换器105与转换器103的类型相反(转换器105与反转的转换器103相同)。转换器105的输出连接至HDMI线缆106。HDMI线缆106连接至外围装置107。外围装置107可以是视频监控器或具有HDMI输入的任何装置。在可选实施例中，诸如941OP Amp的运算放大器108设置在转换器103和线缆104之间，以增强信号强度。
图2是本发明的转换器103的俯视平面图。印刷电路板50形成转换器103的主体。转换器103包括安装在印刷电路板50上的HDMI插孔111，其用于输入HDMI信号。已经发现，诸如那些由Molex制造的HDMI-D母插座(female receptacle)适合于插孔111，但其他等效的插孔可用在公或母插座的实施例中。插孔111包括十九个引脚插座(pin receptacle)1-19。三个输出插孔37、38、和39也安装在包括在转换器103上的印刷电路板50上。已经发现MolexCAT5插孔w/internal shield#855070001适合于用作输出插孔37、38、和39。每个输出插孔37、38、和39分别包括8个引脚40-47、5个引脚50-54、和6个引脚60-65。值得注意的是，具体引脚和各个导线之间的对应关系仅是设计偏好的问题，并不是为了限制或排除其他的布线选择，例如，8线、8线、3线选择也是等效可操作的形式。电路板50将输入HDMI插孔111的引脚1连接至输出插孔37的引脚40。剩余的引脚如以下表所示连接。
表1
插孔37的引脚40至HDMI插孔111的引脚1：TMDS Data2+
插孔37的引脚41至HDMI插孔111的引脚2：TMDS Data2 Shield
插孔37的引脚42至HDMI插孔111的引脚3：TMDS Data2-
插孔37的引脚43至HDMI插孔111的引脚4：TMDS Data1+
插孔37的引脚44至HDMI插孔111的引脚5：TMDS Data1 Shield
插孔37的引脚45至HDMI插孔111的引脚6：TMDS Data1-
插孔37的引脚46至HDMI插孔111的引脚7：TMDS Data0+
插孔37的引脚47至HDMI插孔111的引脚8：TMDS Data0 Shield
插孔38的引脚50至HDMI插孔111的引脚9：TMDS Data0-
插孔38的引脚51至HDMI插孔111的引脚10：TMDS Clock+
插孔38的引脚52至HDMI插孔111的引脚11：TMDS Clock Shield
插孔38的引脚53至HDMI插孔111的引脚12：TMDS Clock-
插孔38的引脚54至HDMI插孔111的引脚13：CEC(未使用)
插孔39的引脚60至HDMI插孔111的引脚14：预备的(装置上的N.C.)
插孔39的引脚61至HDMI插孔111的引脚15：SCL
插孔39的引脚62至HDMI插孔111的引脚16：SDA
插孔39的引脚63至HDMI插孔111的引脚17：DDC/CEC地
插孔39的引脚64至HDMI插孔111的引脚18：+5V电源
插孔39的引脚65至HDMI插孔111的引脚19：热插拔检测
改进的转换器103可安装在壁插座(未示出)中，其中，HDMI插孔111反向指向房间，以及插孔37、38、和39直接朝向墙。穿过墙的长线缆(未示出)可以连接两个这样的转换器，以使得在建筑物中的远程监控器不显眼。HDMI线缆(未示出)是分别连接至源(未示出)和输出(未示出)的引出端。
参考特定优选实施例及其特性详细示出并描述了本发明。然而，本领域技术人员应该明白，在不脱离所附权利要求提出的本发明的精神和范围的条件下，可以在形式和细节做出各种改变和修改，其中，除了明确说明，以单数引用的元件并非是指“一个或唯一一个”，而是“一个或多个”。可以实施本文所示意性披露的本发明，而不需要本文未明确披露的任何元件。

Claims (7)

1.一种用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，包括：
连接装置，用于将所述HDMI产生装置的输出连接到HDMI线缆，
转换器，用于将包含由所述HDMI线缆传送的HDMI信号的HDMI输入转换为多个输出，
多条线缆，每条线缆的一端各自连接到所述转换器的所述输出中的一个输出，
第二转换器，用于将从每条所述线缆的另一端接收到的信号转换为HDMI输出，以及
第二HDMI线缆，用于将所述第二转换器的所述输出连接至外围装置。
2.根据权利要求1所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，还包括第二连接装置，用于将所述线缆连接至所述外围装置。
3.根据权利要求1所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，还包括用于将所述转换器连接至所述线缆的运算放大器。
4.根据权利要求1所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，其中，所述多条线缆中的每一条均包括多条双绞线。
5.根据权利要求4所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，其中，在所述多条线缆中的每一条中都有四对双绞线。
6.根据权利要求4所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，其中，具有三条这样的双绞线线缆。
7.根据权利要求4所述的用于将产生HDMI输出的HDMI产生装置连接到外围装置的系统，其中，具有三条这样的双绞线线缆，并且它们都是5类线缆。
CN2006101098106A 2005-08-12 2006-08-14 Hdmi线缆接口 Expired - Fee Related CN1913613B (zh)

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