WO2010070825A1 - ユニバーサルシリアルバスコネクタ用プラグ及びコネクタアッセンブリ - Google Patents
ユニバーサルシリアルバスコネクタ用プラグ及びコネクタアッセンブリ Download PDFInfo
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- WO2010070825A1 WO2010070825A1 PCT/JP2009/006477 JP2009006477W WO2010070825A1 WO 2010070825 A1 WO2010070825 A1 WO 2010070825A1 JP 2009006477 W JP2009006477 W JP 2009006477W WO 2010070825 A1 WO2010070825 A1 WO 2010070825A1
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- usb
- connector
- signal line
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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
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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]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
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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
- 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
Definitions
- the present invention relates to a universal serial bus (hereinafter abbreviated as “USB”) connector plug (hereinafter abbreviated as “plug”) and a connector assembly using the plug, and more particularly to Standard-A in the USB 3.0 standard.
- USB universal serial bus
- plug connector plug
- Standard-A Standard-A in the USB 3.0 standard.
- the present invention relates to the structure of a plug or a Standard-B plug.
- a USB connector is a type of connector used to connect electronic devices such as personal computers and peripheral devices. It can be easily connected to devices, so-called plug-and-play or hot-plugging is possible. Since it has the advantage that it can also be used as a terminal, it is widely used (see Patent Documents 1 to 3 and Non-Patent Document 1).
- the specifications of the plug constituting the USB connector and the receptacle into which the plug is inserted are determined by standards.
- connection portion is not particularly defined.
- the plug 1 is housed in a metal connector shell 2 and is fixed to a clamp portion 2a provided at the base end portion of the connector shell 2 with a jacket 3a of the cable 3 interposed therebetween.
- a structure is employed in which a plurality of electric wires 3b extending from the distal end of the plug 1 to the distal end side are connected to a plurality of electrodes 1a arranged at the proximal end portion of the plug 1.
- the plurality of electric wires 3b are two pairs of signal lines for the USB 3.0 standard that are shielded at the periphery, and are not shielded around the USB 2.0 standard.
- a total of eight signal lines, power supply lines, and ground lines (only five lines are shown in the figure).
- the left side (insertion side to the receptacle) in the figure is defined as the distal end side
- the right side (connection side with the cable) is defined as the proximal end side.
- the plurality of electric wires 3b are covered with a jacket 3a and a braid 3c from the outside. Therefore, for the above connection, a so-called “leading” operation is required in which the jacket 3 a and the braid 3 c are removed and the electric wire 3 b can be connected to the electrode 1 a of the plug 1.
- the distance between the portion of the cable 3 fixed to the clamp portion 2a from which the jacket 3a and the braid 3c have been removed by opening and the individual electrodes 1a of the USB plug 1 (reference symbol D in FIG. 7). are substantially equal. Therefore, the lengths of the plurality of electric wires 3b extending (exposed) from the front ends of the jacket 3a and the braid 3c to the front end side by the lead are substantially equal.
- FIG. 7 shows an example of the Standard-A plug in the USB 3.0 standard, but the same problem occurs in the Standard-B plug in the USB 3.0 standard.
- the present invention has been made in view of the above circumstances.
- a USB connector plug and a connector assembly using the same the influence of external noise received by a USB 2.0 standard signal line and a pair of USB 2.0 standard signals
- An object of the present invention is to provide a universal serial bus connector plug and connector assembly capable of reducing impedance mismatch between lines.
- the first aspect of the present invention is based on the USB 3.0 standard, which includes a signal line and a ground line for the USB 2.0 standard, and a cable fixed to the cable fixing means of the connector shell is connected to form a connector assembly.
- a plug for a universal serial bus connector wherein the connector assembly includes an electrode that substantially contacts the tip of the cable fixing means and is connected to at least one of the signal line for the USB 2.0 standard and the ground line. .
- a second aspect of the present invention is a universal serial bus connector plug according to the first aspect of the present invention; a USB 2.0 standard signal line, a USB 3.0 standard signal line, and a power line.
- the cable including the ground wire, wherein a length from the front end of the jacket of the cable to the front end of the signal line for the USB 2.0 standard is from the front end of the jacket to the USB 3 The length is shorter than the length of the signal line for the 0 standard.
- the lengths of the USB 2.0 standard signal line, the power supply line, and the ground line to the tip of the cable jacket may be different from each other.
- the universal serial bus connector plug may be a Standard-A plug.
- the universal serial bus connector plug may be a Standard-B plug.
- the present invention it becomes possible to connect a signal line for USB 2.0 standard whose surroundings are not shielded to the electrode on the base end side as compared with a conventional plug, and therefore, it is susceptible to external noise. It is possible to shorten the total length of the signal line for the USB 2.0 standard. As a result, the range of the USB 2.0 standard signal line that is susceptible to external noise is shortened, and the influence of external noise on the signal line is reduced. In addition, since the region where impedance mismatch occurs between the USB 2.0 standard signal lines (unshielded region) is narrowed, the impedance mismatch is reduced.
- FIG. 1 is an upper perspective view showing the front surface side of the plug 11
- FIG. 2 is a lower perspective view showing the back surface side of the plug 11.
- This plug 11 corresponds to the above-described conventional plug 1 and corresponds to the Standard-A plug in the USB 3.0 standard.
- the plug 11 is composed of a resin main body 12 and electrodes 13a to 13d arranged in the main body.
- the main body 12 includes a central portion 12a supported by a connector shell (see reference numeral 2 in FIG. 3 to be described later) when the connector assembly is formed, and a distal end extending from the central portion 12a to the distal end side and inserted into a receptacle (not shown).
- a portion 12b and a base end portion 12c extending from the central portion 12a to the base end side and used for connection with a cable to be described later are provided.
- the shapes of the central portion 12a and the tip portion 12b and the arrangement of the electrodes 13a to 13d in the main body 12 conform to the USB 3.0 standard.
- This plug 11 is different from the conventional plug 1 in the configuration of the base end portion 12c. That is, in the plug 11, the base end portion 12 c is extended to the base end side with respect to the conventional plug 1. Specifically, the base end portion 12c has the same width and the same thickness as the conventional plug 1 up to a position where the base end portion 12c substantially comes into contact with the tip of the clamp portion of the connector shell (see reference numeral 2a in FIG. 3 described later) when the connector assembly is formed. It has been extended.
- the “position substantially contacting the tip of the clamp portion” means that the base end edge 12d of the base end portion 12c contacts the tip end surface of the clamp portion or faces through a slight gap when the connector assembly is formed. Position.
- each electrode 13d located on the back surface of the base end portion 12c (for connecting the wires corresponding to the USB 2.0 standard) are arranged in the width direction at predetermined intervals. It extends to the base end edge 12d along the extending direction of the portion 12c.
- the electrode 13a (for receptacle connection corresponding to USB3.0 standard) located at the surface base end part of the front end part 12b and the electrode 13b (receptacle connection corresponding to USB2.0 standard) located at the front end part of the front end part 12b
- the arrangement of the electrodes 13c (for connecting the wires corresponding to the USB 3.0 standard) located on the surface of the base end portion 12c are the same as those of the conventional plug 1.
- the plug 11 is housed in the metal connector shell 2, and the cable 30, which is led out to the clamp portion 2 a (cable fixing means) provided at the base end portion of the connector shell 2.
- the jacket 30a is sandwiched and fixed.
- the electrodes 13c and 13d of the plug 11 are connected to a plurality of electric wires (see reference numerals 30b to 30e described later) extending from the tip of the jacket 30a to the tip. In this way, the connector assembly 40 is formed.
- the base end portion 12c of the main body 12 is extended to a position where it substantially contacts the tip of the clamp portion 2a of the connector shell 2 when the connector assembly 40 is formed.
- the electrode 13d located on the back surface of the base end portion 12c extends to the base end edge 12d along the extending direction of the base end portion 12c. Therefore, when the connector assembly 40 is formed, the connection positions of the pair of signal lines 30c, the power supply line 30d, and the ground line 30e for the USB 2.0 standard, which are connected to the electrode 13d and whose surroundings are not shielded, are connected to the electrode 13d. Can be changed along the extending direction of the base end portion 12c.
- the length of the two pairs of signal lines 30b for USB 3.0 standard connected to the electrode 13c located on the distal end side of the base end portion 12c and the electric wires (signal line 30c, power supply line) connected to the electrode 13d 30d and the ground line 30e), and the lengths of the electric wires (signal line 30c, power supply line 30d and ground line 30e) connected to the electrode 13d can be made different from each other.
- FIG. 4 and FIG. 5 show a schematic configuration of the USB connector plug 51 according to the second embodiment (Example 2) of the present invention.
- 4 is an upper perspective view showing the front surface side of the plug 51
- FIG. 5 is a lower perspective view showing the back surface side of the plug 51.
- This plug 51 corresponds to a Standard-B plug in the USB 3.0 standard.
- the plug 51 includes a resin main body 52 and electrodes 53a to 53d disposed in the main body, like the plug 11 of the first embodiment described above.
- the main body 52 includes a central portion 52a supported by the connector shell when the connector assembly is formed, a distal end portion 52b extending from the central portion 52a to the distal end side and inserted into a receptacle (not shown), and a proximal end from the central portion 52a. And a proximal end portion 52c used for connection with the cable.
- the base end portion 52c further includes a thick base portion 52d located on the distal end side and a thin end portion 52e extending from the base portion 52d to the base end side.
- the shapes of the base portion 52d of the central portion 52a, the distal end portion 52b, and the base end portion 52c, and the arrangement of the electrodes 53a to 53d in the main body 52 conform to the USB 3.0 standard.
- the configuration of the end portion 52e of the base end portion 52c is different from the conventional Standard-B plug (hereinafter referred to as “conventional plug”) in the USB 3.0 standard. That is, in the plug 51, the end portion 52e is extended to the proximal end side than the conventional plug. Specifically, the end 52e has the same width as the end of the conventional plug, up to a position that substantially contacts the tip of the clamp portion of the connector shell (see reference numeral 2a in FIG. 6 described later) when forming the connector assembly. It is extended with the same thickness. Further, the “position substantially contacting the tip of the clamp portion” is defined in the same manner as the plug 11 of the first embodiment described above.
- the electrodes indicated by reference numerals 53c and 53d are 2 on the front and back surfaces of the end portion 52e of the base end portion 52c at predetermined intervals in the width direction. In a state of being arranged one by one, it extends to the base end edge 52f along the extending direction of the end portion 52e.
- the electrode 53a located on the surface of the tip 52b (for receptacle connection corresponding to USB3.0 standard) and the electrode located on the end face of the tip 12c (for receptacle connection corresponding to USB2.0 standard, not shown)
- the arrangement of the electrodes 53b (for connecting wires corresponding to the USB 3.0 standard) located on the surface of the base 52d of the base end 52c is the same as that of the conventional plug.
- the plug 51 is housed in the metal connector shell 21, and the cable 30, which is led out to the clamp portion 21 a (cable fixing means) provided at the base end portion of the connector shell 21.
- the jacket 30a is sandwiched and fixed.
- the electrodes 53b to 53d of the plug 51 are connected to a plurality of electric wires (see reference numerals 30b to 30e described later) extending from the tip of the jacket 30a to the tip. In this way, the connector assembly 60 is formed.
- the end portion 52 e positioned on the proximal end side of the clamp portion 21 a of the connector shell 21 is formed when the connector assembly 60 is formed. It is extended to a position that substantially contacts the tip.
- the electrodes 53c and 53d located on the front and back surfaces of the end portion 52e extend to the base end edge 52f along the extending direction of the end portion 52e.
- the length of the two pairs of signal lines 30b for USB3.0 standard connected to the electrode 53b located at the base 52d of the base end 52c and the wires connected to the electrodes 53c and 53d (signal lines 30c,
- the lengths of the power line 30d and the ground line 30e) and the lengths of the electric wires (signal line 30c, power line 30d and ground line 30e) connected to the electrodes 53c and 53d can be made different from each other. .
- the signal lines 30c that are susceptible to external noise can be connected.
- the total length can be shortened.
- the range of the signal line 30c that is susceptible to external noise is shortened, and the influence of external noise on the signal line 30c is reduced.
- the region where the impedance mismatch occurs between the pair of signal lines 30c is narrowed, the impedance mismatch is reduced. As a result, signal reflection between the pair of signal lines 30c, signal attenuation associated therewith, and crosstalk are reduced.
- the wire connection electrodes 13d, 53c and 53d corresponding to the USB 2.0 standard are all extended to the base end edges 12d and 52f of the base end portions 12c and 52c. Yes.
- the wire connection electrodes 13d, 53c and 53d corresponding to the USB 2.0 standard are all extended to the base end edges 12d and 52f of the base end portions 12c and 52c.
- USB connector plug and the connector assembly using the same the influence of the external noise received by the USB 2.0 standard signal line and the impedance mismatch between the pair of USB 2.0 standard signal lines are eliminated.
- a universal serial bus connector plug and connector assembly that can be lowered can be provided.
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Abstract
Description
本願は、2008年12月17日に、日本に出願された特願2008-321099号に基づき優先権を主張し、その内容をここに援用する。
本発明の第一の実施形態(実施例1)に係るUSBコネクタ用プラグ11の概略構成を図1及び図2に示す。図1はプラグ11の表面側を示す上方斜視図、図2はプラグ11の裏面側を示す下方斜視図である。このプラグ11は、上記従来のプラグ1に相当するもので、規格的には、USB3.0規格におけるStandard-Aプラグに該当する。
従って、コネクタアッセンブリ40の形成に際し、電極13dに接続される、周囲がシールドされていない、USB2.0規格用の一対の信号線30c、電源線30d及びアース線30eの、電極13dへの接続位置を、基端部12cの延長方向に沿って互いに変えることが可能となる。その結果、基端部12cの先端側に位置する電極13cに接続される、USB3.0規格用の二対の信号線30bの長さと、電極13dに接続される電線(信号線30c、電源線30d及びアース線30e)との長さ、並びに電極13dに接続される電線(信号線30c、電源線30d及びアース線30e)同士の長さを、互いに異ならせることが可能となる。
従って、コネクタアッセンブリ60の形成に際し、電極53c、53dに接続される、周囲がシールドされていない、USB2.0規格用の一対の信号線30c、電源線30d及びアース線30eの、電極53c、53dへの接続位置を、端部52eの延長方向に沿って互いに変えることが可能となる。その結果、基端部52cの基部52dに位置する電極53bに接続される、USB3.0規格用の二対の信号線30bの長さと、電極53c、53dに接続される電線(信号線30c、電源線30d及びアース線30e)との長さ、並びに電極53c、53dに接続される電線(信号線30c、電源線30d及びアース線30e)同士の長さを、互いに異ならせることが可能となる。
例えば、上記実施形態のプラグ11、51では、USB2.0規格に対応する電線接続用の電極13d、53c、53dが、全て基端部12c、52cの基端縁12d、52fまで延設されている。しかしながら、周囲がシールドされていない、USB2.0規格用の一対の信号線30cの全長を短くする目的であれば、これらの電極13d、53c、53dのうち、少なくともUSB2.0規格用の一対の信号線30cが接続される電極のみを、基端部12c、52cの基端縁12d、52fまで延設すればよい。
2a,21a…クランプ部(ケーブル固定手段)
11,51…プラグ
13d,53c,53d…電極
30…ケーブル
30a…ジャケット
30b…USB3.0規格用の信号線
30c…USB2.0規格用の信号線
30d…電源線
30e…アース線
40,60…コネクタアッセンブリ
Claims (5)
- USB2.0規格用の信号線及びアース線を含むとともに、コネクタシェルのケーブル固定手段に固定されたケーブルが接続されてコネクタアッセンブリを形成する、USB3.0規格におけるユニバーサルシリアルバスコネクタ用プラグであって、
前記コネクタアッセンブリにおいて、前記ケーブル固定手段の先端に略当接するとともに、前記USB2.0規格用の信号線及び前記アース線の少なくとも一方が接続される電極を備えることを特徴とするユニバーサルシリアルバスコネクタ用プラグ。 - USB3.0規格におけるStandard-Aプラグであることを特徴とする請求項1に記載のユニバーサルシリアルバスコネクタ用プラグ。
- USB3.0規格におけるStandard-Bプラグであることを特徴とする請求項1に記載のユニバーサルシリアルバスコネクタ用プラグ。
- 請求項1に記載のユニバーサルシリアルバスコネクタ用プラグと;
前記USB2.0規格用の信号線、USB3.0規格用の信号線、電源線、及び前記アース線を含む前記ケーブルと;
を備えるコネクタアッセンブリであって、
前記ケーブルのジャケットの先端から前記USB2.0規格用の信号線の先端までの長さが、前記ジャケットの先端から前記USB3.0規格用の信号線の先端までの長さよりも短いことを特徴とするコネクタアッセンブリ。 - 前記ケーブルのジャケットの先端に対する、前記USB2.0規格用の信号線、前記電源線、及び前記アース線の先端までの長さが互いに異なることを特徴とする請求項2に記載のコネクタアッセンブリ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09833135A EP2360796A4 (en) | 2008-12-17 | 2009-11-30 | UNIVERSAL SERIES BUS CONNECTOR PLUG AND CONNECTOR ASSEMBLY |
CN2009801498401A CN102246363A (zh) | 2008-12-17 | 2009-11-30 | 通用串行总线连接器用插头以及连接器组件 |
JP2010517211A JP5061241B2 (ja) | 2008-12-17 | 2009-11-30 | コネクタアッセンブリ |
US13/156,962 US8460035B2 (en) | 2008-12-17 | 2011-06-09 | Connector assembly including a cable with a USB 3.0 signal line, a USB 2.0 signal line, a power line and a ground line |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-321099 | 2008-12-17 | ||
JP2008321099 | 2008-12-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/156,962 Continuation US8460035B2 (en) | 2008-12-17 | 2011-06-09 | Connector assembly including a cable with a USB 3.0 signal line, a USB 2.0 signal line, a power line and a ground line |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010070825A1 true WO2010070825A1 (ja) | 2010-06-24 |
Family
ID=42268508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/006477 WO2010070825A1 (ja) | 2008-12-17 | 2009-11-30 | ユニバーサルシリアルバスコネクタ用プラグ及びコネクタアッセンブリ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8460035B2 (ja) |
EP (1) | EP2360796A4 (ja) |
JP (1) | JP5061241B2 (ja) |
CN (1) | CN102246363A (ja) |
WO (1) | WO2010070825A1 (ja) |
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CN102496804A (zh) * | 2011-11-22 | 2012-06-13 | 华为终端有限公司 | Usb连接器及电子设备 |
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US8920199B2 (en) | 2012-02-13 | 2014-12-30 | Commscope, Inc. Of North Carolina | Patch cord having a plug with differential transmission lines |
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US8858267B2 (en) | 2013-03-14 | 2014-10-14 | Commscope, Inc. Of North Carolina | Communications plugs and patch cords with mode conversion control circuitry |
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- 2009-11-30 WO PCT/JP2009/006477 patent/WO2010070825A1/ja active Application Filing
- 2009-11-30 JP JP2010517211A patent/JP5061241B2/ja not_active Expired - Fee Related
- 2009-11-30 EP EP09833135A patent/EP2360796A4/en not_active Withdrawn
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2011
- 2011-06-09 US US13/156,962 patent/US8460035B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US8460035B2 (en) | 2013-06-11 |
EP2360796A1 (en) | 2011-08-24 |
JPWO2010070825A1 (ja) | 2012-05-24 |
CN102246363A (zh) | 2011-11-16 |
US20110244733A1 (en) | 2011-10-06 |
EP2360796A4 (en) | 2012-05-16 |
JP5061241B2 (ja) | 2012-10-31 |
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