JP2008262932A - 電気コネクタのためのクロストーク低減 - Google Patents
電気コネクタのためのクロストーク低減 Download PDFInfo
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- JP2008262932A JP2008262932A JP2008202317A JP2008202317A JP2008262932A JP 2008262932 A JP2008262932 A JP 2008262932A JP 2008202317 A JP2008202317 A JP 2008202317A JP 2008202317 A JP2008202317 A JP 2008202317A JP 2008262932 A JP2008262932 A JP 2008262932A
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6477—Impedance matching by variation of dielectric properties
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
- H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
- H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
Abstract
軽量で、低価格の、高密度電気コネクタを開示しており、接点間にシールドがなくても、制御されたインピーダンスで、高速の、低干渉の通信を提供し、低い挿入損失を有する。
【解決手段】
第1の差分の組における差分信号が、その信号の組を形成する接点間の間隙に高い電界(H)を、さらに、隣接する信号の組の近傍に低い電界(L)を生成するように、コネクタ内の信号接点(S)及び接地接点(G)を、互いに対して調整して配置する。
【選択図】 図2B
Description
この出願は、2001年11月14日にファイルされた同時係属の米国特許出願第09/990,794号、および2002年5月24日にファイルされた同時係属の米国特許出願第10/155,786号の一部継続出願であり、それら各々の内容は参照してここに組み込まれる。
図2Aは、導電体及び誘電体が、概して「I」字状構造で配置されている電気コネクタの概略図である。このようなコネクタは、譲受人の「I−BEAM」技術に具体化されており、また、「低クロス及びインピーダンスが制御された電気コネクタ」と題された米国特許第5,741,144号明細書に記載されかつ請求されており、その開示全体は参照してここに組み込まれる。
本発明に従って、上述した基本的な原理を、さらに分析し、かつ展開し、また該原理は、上記信号接点及び接地接点の適切な配置及び構造を決めることにより、該接点間にシールドがない場合でも、隣接する信号接点間のクロストークをどのように制限するかを判断するのに利用することができる。図2Bは、本発明による信号接点S及び接地接点Gの接点配列において、アクティブな列をベースとした差分信号の組S+、S−の近傍における等電位線を含む。図に示すように、等電位線42は、0Vに最も近接しており、等電位線44は、−1Vに最も近接しており、また等電位線46は、+1Vに最も近接している。電圧は、アクティブな組に最も近い「静かな」差分信号の組において、必ずしも0にならないが、該静かな組に伴う干渉は、0に近いことが分かっている。すなわち、正方向の静かな差分組信号接点に影響を与える電圧は、負方向の静かな差分組信号接点に影響を与える電圧とほぼ等しい。従って、上記正方向信号と負方向信号との間の電圧差である該静かな組に対するノイズはゼロに近い。
図4Aは、(例えば、差分信号の組が、列状に配列されている)列をベースとする差分信号の組を有する本発明によるコネクタ100を示す。(本願明細書で用いる「列」という言葉は、上記接点が、それに沿って縁部結合される方向を意味する。「行」は、列と直角である。)図に示すように、各列401〜406は、上部から底部へ順に、第1の差分信号の組と、第1の接地導体と、第2の差分信号の組と、第2の接地導体とを備える。図を見て分かるように、第1の列401は、上部から底部に順に、信号導体S1+及びS1−を備える第1の差分信号の組と、第1の接地導体Gと、信号導体S7+及びS7−を備える第2の差分信号の組と、第2の接地導体Gとを備える。行413及び416の各々は、複数の接地導体Gを備える。行411及び412は、共に、6つの差分信号の組を備え、行514及び515は共に、別の6つの差分信号の組を備える。接地導体からなる行413及び416は、行411〜412の信号組と、行414〜415の信号組との間のクロストークを制限する。図4Aに示す実施の形態においては、36個の接点を列状に配置すると、12個の差分信号の組を形成することができる。上記コネクタは、シールドがないので、上記接点は、(シールドを有するコネクタと比較して)比較的大きく形成することができる。従って、所望のインピーダンスを実現するためには、より小さいコネクタ空間を要する。
図8は、差分信号の組の信号導体が、該差分信号の組の長さに沿って、実質的に一定の差動インピーダンスを有している、高速電気コネクタに注力する本発明に係る直角電気コネクタの斜視図である。図8に示すように、コネクタ800は、第1の部分801と、第2の部分802とを備える。第1の部分801は、第1の電子装置810に電気的に接続されており、また、第2の部分802は、第2の電子装置812に電気的に接続されている。このような接続部は、SMT、PIP、はんだボールグリッドアレイ、圧入、あるいは他のそのような接続部であってもよい。一般には、このような接続部は、接続ピンの間に通常の接続間隔を有する従来の接続部であるが、このような接続部は、接続ピン間に他の間隔を有してもよい。第1の部分801及び第2の部分802は、共に電気的に接続することができ、それにより、第1の電子装置810を第2の電子装置812に電気的に接続する。
Claims (5)
- 差分信号の組の第1の接点列と差分信号の組の第2の接点列とに配置された電気接点のアレイと、複数の接地接点であって、第1の接地接点が、前記第1の接点列の第1の端部に配置され、第2の接地接点が、前記第2の接点列の第2の端部に配置され、前記第2の接点列の第2の端部は、前記第1の接点列の第1の端部の反対側にあり、空気が、前記電気接点を絶縁する主な誘電体であり、電気コネクタは、10ギガビット/秒の通信速度で金属性プレートを欠いている電気コネクタ。
- 前記差分信号の組は、側面結合されている、請求項1に記載の電気コネクタ。
- 前記差分信号の組は、縁部結合されている、請求項1に記載の電気コネクタ。
- 第1の差分信号の組は、ギャップ幅を有し、前記第1の接点列および第2の接点列は、列ピッチによって分離され、列ピッチとギャップ幅の縦横比は、約5または8−10である、請求項2または3に記載の電気コネクタ。
- 前記第1の接点列と第2の接点列間にはアースが設けられていない、請求項1に記載の電気コネクタ。
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/990,794 | 2001-11-14 | ||
US09/990,794 US6692272B2 (en) | 2001-11-14 | 2001-11-14 | High speed electrical connector |
US10/155,786 | 2002-05-24 | ||
US10/155,786 US6652318B1 (en) | 2002-05-24 | 2002-05-24 | Cross-talk canceling technique for high speed electrical connectors |
US10/294,966 US6976886B2 (en) | 2001-11-14 | 2002-11-14 | Cross talk reduction and impedance-matching for high speed electrical connectors |
US10/294,966 | 2002-11-14 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003544858A Division JP4373215B2 (ja) | 2001-11-14 | 2002-11-14 | 電気コネクタのためのクロストーク低減 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008262932A true JP2008262932A (ja) | 2008-10-30 |
JP5280128B2 JP5280128B2 (ja) | 2013-09-04 |
Family
ID=26852608
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003544858A Expired - Lifetime JP4373215B2 (ja) | 2001-11-14 | 2002-11-14 | 電気コネクタのためのクロストーク低減 |
JP2008202317A Expired - Fee Related JP5280128B2 (ja) | 2001-11-14 | 2008-08-05 | 電気コネクタのためのクロストーク低減 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003544858A Expired - Lifetime JP4373215B2 (ja) | 2001-11-14 | 2002-11-14 | 電気コネクタのためのクロストーク低減 |
Country Status (5)
Country | Link |
---|---|
US (5) | US6976886B2 (ja) |
EP (4) | EP2451025A3 (ja) |
JP (2) | JP4373215B2 (ja) |
CN (1) | CN100483886C (ja) |
WO (1) | WO2003043138A1 (ja) |
Cited By (3)
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JP2016179366A (ja) * | 2016-07-20 | 2016-10-13 | 京楽産業.株式会社 | 遊技機 |
JP2016179365A (ja) * | 2016-07-20 | 2016-10-13 | 京楽産業.株式会社 | 遊技機 |
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- 2002-11-14 EP EP12152112A patent/EP2451025A3/en not_active Withdrawn
- 2002-11-14 US US10/294,966 patent/US6976886B2/en not_active Expired - Fee Related
- 2002-11-14 EP EP02803216.7A patent/EP1464096B1/en not_active Expired - Lifetime
- 2002-11-14 EP EP12152113A patent/EP2451026A3/en not_active Withdrawn
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- 2002-11-14 JP JP2003544858A patent/JP4373215B2/ja not_active Expired - Lifetime
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2005
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2007
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2008
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JP2016179368A (ja) * | 2016-07-20 | 2016-10-13 | 京楽産業.株式会社 | 遊技機 |
JP2016179366A (ja) * | 2016-07-20 | 2016-10-13 | 京楽産業.株式会社 | 遊技機 |
JP2016179365A (ja) * | 2016-07-20 | 2016-10-13 | 京楽産業.株式会社 | 遊技機 |
Also Published As
Publication number | Publication date |
---|---|
US20050287849A1 (en) | 2005-12-29 |
US6976886B2 (en) | 2005-12-20 |
US20080214029A1 (en) | 2008-09-04 |
EP2451025A2 (en) | 2012-05-09 |
CN1586026A (zh) | 2005-02-23 |
EP1464096B1 (en) | 2016-03-09 |
EP1464096A1 (en) | 2004-10-06 |
EP1464096A4 (en) | 2006-08-09 |
US20030171010A1 (en) | 2003-09-11 |
EP2451026A3 (en) | 2013-04-03 |
US20050164555A1 (en) | 2005-07-28 |
EP2451024A2 (en) | 2012-05-09 |
WO2003043138A1 (en) | 2003-05-22 |
EP2451026A2 (en) | 2012-05-09 |
JP5280128B2 (ja) | 2013-09-04 |
US20080248693A1 (en) | 2008-10-09 |
US6988902B2 (en) | 2006-01-24 |
JP2005518067A (ja) | 2005-06-16 |
EP2451025A3 (en) | 2013-04-03 |
EP2451024A3 (en) | 2013-03-06 |
US7114964B2 (en) | 2006-10-03 |
CN100483886C (zh) | 2009-04-29 |
JP4373215B2 (ja) | 2009-11-25 |
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