WO2012041011A1 - Ensemble connecteur de type lc comportant des informations d'identification pour empêcher une mauvaise insertion et connecteur mâle de type lc associé - Google Patents

Ensemble connecteur de type lc comportant des informations d'identification pour empêcher une mauvaise insertion et connecteur mâle de type lc associé Download PDF

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Publication number
WO2012041011A1
WO2012041011A1 PCT/CN2011/001635 CN2011001635W WO2012041011A1 WO 2012041011 A1 WO2012041011 A1 WO 2012041011A1 CN 2011001635 W CN2011001635 W CN 2011001635W WO 2012041011 A1 WO2012041011 A1 WO 2012041011A1
Authority
WO
WIPO (PCT)
Prior art keywords
plug
printed board
fixed
adapter
positioning
Prior art date
Application number
PCT/CN2011/001635
Other languages
English (en)
Chinese (zh)
Inventor
余永强
韩兆春
黄澄
李卫可
Original Assignee
中航光电科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中航光电科技股份有限公司 filed Critical 中航光电科技股份有限公司
Publication of WO2012041011A1 publication Critical patent/WO2012041011A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3895—Dismountable connectors, i.e. comprising plugs identification of connection, e.g. right plug to the right socket or full engagement of the mating parts

Definitions

  • the present invention relates to an LC connector assembly with identification code preventing mis-insertion identification information that prevents the LC plug from being mis-inserted on an unsuitable LC adapter, and to the LC plug of the connector assembly.
  • the LC connector assembly includes an LC plug and an LC adapter, and the LC plug is square.
  • the front end is for mating with the plug opening of the LC adapter.
  • One side of the LC plug is provided with a front end fixed to the LC plug, and the rear end is inclined rearward.
  • the overhanging duplex clamp has a bump on both sides of the duplex clamp.
  • the plug-in opening of the LC adapter and the side wall of the duplex clip have slots for mating with the duplex clip, and the LC plug and the LC adapter are reliably inserted by the duplex clip.
  • the LC connector assembly with the anti-missing identification information of the present invention adopts the following technical solutions:
  • the front end of the plug has a plug-in section that is inserted into the plug-in opening of the LC adapter, and the LC plug is inserted into the LC adapter through the fixed housing of the front end of the plug, and the fixed housing is matched with the side of the LC plug to set the duplex clip.
  • the two side walls of the avoidance opening are provided with a rear end limit step matched with the rear limit of the boss on both sides of the duplex clamp, and the fixed casing is opposite to the side on which the escape opening is provided
  • the printed circuit board is provided on the side of the printed circuit board, and the plug information storage chip is electrically connected to the conductive contact on the printed circuit board, and the LC adapter is connected to the socket.
  • the surface of the printed board opposite to the fixed housing is coated with strip-shaped gold fingers, and the strip-shaped gold fingers form the conductive contacts, and the metal elastic member is disposed at the plugging mouth and is inserted into the printed board Fitted on the side wall.
  • the opposite sides of the printed board have positioning notches disposed in pairs, and two of the pair of positioning notches are respectively located on two sides of the printed board, and the fixed shell is fixed on the side wall of the printed board.
  • the positioning protrusion is matched with the positioning notch, and the printed board is fixed on the fixed casing by the hot pressing of the positioning protrusion.
  • the LC plug further has a pressure claw with a free end pressed against the free end of the duplex clamp.
  • the rear end limit step is formed by a front side of the elastic bump disposed on the fixed housing, and the elastic bump passes One end is connected to the side surface of the fixed casing, and the other end of the elastic bump is provided with a lock block that is engaged with the duplex clamp to prevent the duplex clamp from being separated from the pressure claw.
  • the metal elastic member is fixed on the side wall of the plug-in and the printed board by the small-row insertion force, and the side wall of the plug-in opening and the printed board is provided with a small-sized plug-in.
  • the metal elastic member is a metal elastic needle which is disposed in an angular shape, and one end of the metal elastic needle is inserted through the fixed passage provided by the small row and inserted into the small row plug, and the end of the metal elastic needle is inserted through the small row.
  • the metal clip is electrically connected to the signal input end of the main board of the system, and the other end of the metal elastic needle is slidably disposed in the guiding groove of the side wall of the plug opening and communicating with the through hole, and the portion where the metal elastic needle contacts the printed board is convex. Curved to the printed board.
  • the through-notch is a stepped notch whose flare is facing outward, the stepped surface of the through-notch is matched with the edge of the inner end surface of the small-row insertion, and the small-row insertion is strongly fixed to the fixed casing by the strong-position positioning column provided at the edge thereof Upper, the guiding groove is at a stepped surface that penetrates the notch.
  • the front end of the LC plug has an LC adapter
  • the plug connector of the plug-in opening is inserted into the LC adapter through the fixed housing of the front end of the LC plug, and the side of the fixed housing and the side of the LC plug with the duplex clip has the avoidance duplex clamp.
  • the avoidance opening extends to the rear end surface of the fixed casing, and the rear side of the avoidance opening is provided with a rear end limit step matched with the rear limit of the boss on both sides of the duplex clamp, the fixed casing and the setting
  • a printed board is disposed on the opposite side of the side surface of the avoidance opening, and the printed board is provided with a plug information storage chip, and the pins of the plug information storage chip are respectively electrically connected to the conductive contacts on the printed board.
  • the surface of the printed board opposite to the fixed housing is coated with strip-shaped gold fingers, and the strip-shaped gold fingers form the conductive contacts.
  • the opposite sides of the printed board have positioning notches disposed in pairs, and two of the pair of positioning notches are respectively located on two sides of the printed board, and the fixed shell is fixed on the side wall of the printed board.
  • the positioning protrusion is matched with the positioning notch, and the printed board is fixed on the fixed casing by hot pressing welding of the positioning protrusion.
  • the LC plug further has a pressure claw with a free end pressed against the free end of the duplex clamp.
  • the rear end limit step is formed by a front side of the elastic bump disposed on the fixed housing, and the elastic bump passes The end is connected to the side of the fixed casing, and the other end of the elastic bump is provided with a lock block that is engaged with the duplex clamp to prevent the duplex clamp from being separated from the pressure claw.
  • the LC plug of the present invention is provided with a plug information storage chip through the printed board, and the two pins of the plug information storage chip are respectively electrically connected with the conductive contacts on the printed board, and the LC adapter is respectively provided with two plugs when plugging
  • the two metal elastic members electrically connected to the conductive contacts, the plug information in the plug information storage chip is input through the signal input end of the system main board through the conductive contact and the metal elastic member, and when the information is matched, the signal output end of the system main board outputs a signal,
  • the indicator that is electrically connected to the signal output end of the system board is on, indicating that the plug is correct. On the contrary, the signal output of the system board does not output a signal, and the indicator does not light. This prevents the problem of interleaving in the presence of two LC connector assemblies with .t:.
  • Figure 1 is a front elevational view of an embodiment of an LC plug of the present invention
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a bottom view of Figure 1;
  • Figure 4 is a perspective view of an embodiment of the LC plug of the present invention.
  • Figure 5 is a front elevational view of the printed board with the plug information storage chip fixed in Figure 1;
  • Figure 6 is a plan view of Figure 5;
  • Figure 7 is a bottom view of Figure 5;
  • Figure 8 is a perspective view of the printed board with the plug information storage chip fixed in Figure 1;
  • Figure 9 is a front elevational view of the fixed housing of Figure 1;
  • Figure 10 is a left side view of Figure 9;
  • Figure 11 is a right side view of Figure 9;
  • Figure 12 is a plan view of Figure 9;
  • Figure 13 is a perspective view of the fixed housing of Figure 1;
  • Figure 14 is a front elevational view of the LC adapter of the LC connector assembly of the present invention.
  • Figure 15 is a left side view of Figure 14;
  • Figure 16 is a right side view of Figure 14;
  • Figure 17 is a bottom view of Figure 14;
  • Figure 18 is a perspective view of an LC adapter of the LC connector assembly of the present invention.
  • Figure 19 is a cross-sectional view of the LC adapter of the LC connector assembly of the present invention at a central symmetry plane;
  • Figure 20 is a cross-sectional view of the LC adapter of the LC connector assembly of the present invention at the metallized bullet;
  • Figure 21 is an LC of the present invention; Schematic diagram of the structure of the connector assembly before assembly;
  • Figure 22 is a perspective view showing the assembled structure of the LC connector assembly of the present invention before being integrally assembled;
  • Figure 23 is a front view of the empty adapter of the LC adapter and the conventional LC plug in the LC adapter;
  • Figure 24 is a left side view of Figure 23;
  • Figure 25 is a right side view of Figure 23;
  • Figure 26 is a plan view of Figure 23;
  • Figure 27 is a bottom view of Figure 23;
  • Figure 28 is a perspective view of the empty adapter of the LC adapter mated with the conventional LC plug in the LC adapter.
  • an embodiment of an LC connector assembly having an anti-missing identification information the LC connector assembly including an LC plug and an LC adapter, as shown in FIGS. 1 to 13, the front end of the LC plug 1 is provided with a fixed casing
  • the body 4, the fixed housing 4, and the side of the fixed housing 4 that cooperates with the side surface of the LC plug provided with the duplex clip 5 has a relief opening 23 for avoiding the duplex clip 5, avoiding the opening of the opening 23 toward the rear end and extending to the fixed
  • the front side of the escape opening 23 is blocked at the front of the duplex clamp 5.
  • a rear limit step 13 is disposed at a side wall of the avoidance opening 23 on both sides of the duplex clip 5, and the rear limit step 13 cooperates with the boss limit on both sides of the duplex clip 5, when the fixed housing is opposite to the LC plug
  • the rear limit step 13 will contact the boss 10 on both sides of the duplex clip, and the fixed housing will not continue to move relative to the LC plug, preventing the fixed housing from being removed from the LC plug. , to ensure that the fixed housing 4 is always placed on the LC plug when in use.
  • the LC plug is provided with a pressure claw 15, one end of the pressure claw 15 is integrally fixed on the LC plug, and the other end is suspended, and the free end of the pressure claw 15 is pressed on the free end of the duplex clamp 5, when working When the LC plug needs to be separated from the LC adapter, the jaws 15 are depressed, the jaws 15 will apply pressure to the duplex clamp 5, and the LC plug is separated from the LC adapter, as is the case with prior art separations.
  • the rear limit step 13 is a front side of the elastic projection 17 provided on the fixed casing, and the two elastic projections 17 are respectively located on both sides of the duplex clamp 5.
  • One end of the elastic protrusion 17 is integrally connected with the side surface of the fixed casing, and the other ends of the two elastic protrusions 17 are respectively provided with oppositely extending locking blocks 11 respectively, and the two locking blocks 11 respectively and the two sides of the duplex clamp 5
  • the card is arranged to prevent the duplex clamp 5 from being separated from the pressure claw 15. This prevents the LC plug and LC adapter from being unlocked because the free end of the duplex clamp moves over the jaws.
  • the fixed housing 4 is provided with a recessed surface on a side opposite to the side on which the escape opening is provided.
  • the recessed portion is provided with a printed board 2, and the printed board 2 is in close contact with the groove bottom on which the recess is provided.
  • the plug information storage chip 6 is fixed on the surface of the printed board 2 which is matched with the groove bottom provided with the groove, and the groove bottom of the groove is provided with a square space 14 for accommodating the plug information storage chip 6, and the plug information storage chip 6 is fitted and fitted.
  • Square empty In the space 14 the surface of the printed board 2 opposite to the groove bottom of the groove is coated with two strip-shaped gold fingers 3, and the pins of the plug information storage chip 6 are electrically connected to the two gold fingers 3, respectively.
  • the opposite sides of the printed board 2 have two pairs of semi-cylindrical positioning notches 21, one of which is on one side of the printed board 2 and the other on the other side of the printed board 2.
  • a semi-cylindrical positioning post 16 is formed at the groove wall of the groove, and the positioning post 16 extends out of the outer surface of the printed board 2, and is assembled by thermocompression bonding during assembly. The portion of the positioning stud extending beyond the surface of the printed board is deformed to fix the printed board 2 on the fixed housing 4.
  • a dust cover 12 is sleeved on the front end of the fixed casing 4.
  • the two ends of the LC adapter 7 are provided with a plug-in opening for accommodating the front end of the LC plug.
  • the two plug-in openings and the plug-in opening have the same structure, and can be considered as having two identical connectors. They are integrally placed together at the respective non-open ends.
  • a through hole is formed in a side wall of the plug-in opening which is matched with the printed board 2 when the plug-in opening is inserted, and the through-notch is a stepped notch which is flared outward, and the small-sized plug 20 is smallly fitted on the through-cut notch.
  • the socket 20 is plate-shaped. The edge of the end face of the small row insert 20 is engaged with the stepped surface that penetrates the notch.
  • Two metal elastic pins 9 are disposed on the inner end surface of the small row insert 20, and the metal elastic needles 9 are disposed in an angular shape, and one end of the metal elastic needle 9 is inserted into the fixed passage provided on the small row insert 20 and inserted by the small row.
  • the outer end surface of the outer end surface 20 is pierced, and the metal elastic needle 9 is fixed to the small row insertion hole 20 by the cooperation with the fixed passage.
  • the end of the metal elastic pin 9 penetrating the outer end surface of the small row plug 20 is provided as a pin, and the pin is electrically connected to the signal input end of the system main board, and transmits the signal input chip from the plug information storage chip to the signal input end of the system main board. Information, set the LC adapter in the system.
  • the other end of the metal bullet 9 is freely overhanging toward the inner end of the insertion opening.
  • a guide groove communicating with the through-notch is provided in the side wall of the insertion opening at the stepped surface of the through-notch, and one end of the free overhang of the metal elastic needle 9 is slidably disposed in the guide groove.
  • the contact between the metal pin and the printed board is curved toward the printed board, so that even the length of the metal pin When it is short, it can also ensure reliable contact with the printed board.
  • This arrangement of metal bullets is readily understood by those skilled in the art and is also readily accomplished.
  • An LED indicator is provided on the system board, and the pin of the LED indicator is used for outputting with the system board. Electrical connection, when the correct LC plug is plugged into the LC adapter, the LED lights up, otherwise it does not light.
  • the small row plug 20 is provided with a fixing protrusion near the edge of the inner end of the insertion opening, and the fixing protrusion is provided with an inwardly extending strong positioning positioning column 22, and the side wall of the insertion opening is provided with the strong positioning positioning column.
  • the positioning hole is strongly installed in the positioning hole to fix the small row plug 20 to the fixed housing.
  • a protruding fixing head is disposed on two side walls of the edge of the small row plug 20, and a fixing notch strongly matched with the fixing head is disposed on the side wall of the through hole, and the fixing head and the fixing notch are strongly assembled and combined.
  • the strong positioning of the positioning post and the positioning hole fixes the small row plug on the fixed housing.
  • a fixing post 8 is integrally provided on the side of the LC adapter 7 on which the small row is inserted.
  • the fixing post 8 is used to fix the LC adapter to the panel of the system.
  • the mounting hole is arranged on the panel of the system, and the fixing post 8 is arranged.
  • the LC adapter is fixed in the panel of the system by being inserted into the mounting hole and then deforming the end of the fixing post 8 by thermal deformation.
  • An embodiment of an LC plug having mis-insertion identification information which is the LC plug of Figures 1 to 13 above.
  • An important feature of the LC plug is that a chip storing plug information is disposed on the plug. When the LC plug and the adapted LC adapter are plugged in, the information in the plug information storage chip passes through the strip of gold fingers of the printed board. The metal bullet is transmitted to the system board, and the system board analyzes the plug information to determine if the plug is plugged into the correct LC adapter.
  • the plug information storage chip of the above embodiment is disposed on the surface of the printed board and the connecting board, or may be disposed on the other surface of the printed board. At this time, the plug information storage chip may be disposed at the rear of the printed board. A strip of gold fingers is placed at the front.
  • the metal elastic needle of the LC adapter is fixed on the side wall of the insertion opening through a small row of inserts, and one end of the metal elastic needle may be directly fixed on the side wall of the open groove by welding or clamping. Then, the wires or the conductive strips are electrically connected to the fixed ends of the metal pins, and the wires or the conductive strips are embedded on the side walls of the open slots.
  • the metal elastic member of the LC adapter is a metal elastic needle, and may be a metal elastic piece whose one end is fixed on the side wall of the insertion opening and the other end is inwardly suspended.
  • the printed board of the above embodiment is fixed to the LC plug by a fixed housing, or may be bonded The way is fixed directly on the side of the LC plug.
  • the indicator of the above embodiment is an LED indicator.
  • the indicator can also be other types of indicators.
  • the LED indicator in the above embodiment is set in the system ⁇ , or it can be directly set on the LC adapter, and the LED indicator is connected to the circuit of the system.
  • the information that can be stored in the plug information storage chip in the above embodiment may be a signal that uniquely identifies the plug identity, such as the number of the plug.
  • the signals carried by the plugs are different, allowing the system to recognize different plugs and prevent the plugs from being plugged into the mismatched adapter.
  • the plug information storage chip can also store other information about the plug, such as: the signal transmitted by the plug, the type of the cable connected to the plug, the number of fiber ends, and the like.
  • an empty converter 18 as shown in FIGS. 23 to 28, a portion where the air converter 18 is engaged with the LC adapter, and a structure of the fixed casing may be disposed in the LC adapter.
  • a side end of the LC plug of the empty converter 18 on which the duplex clip is disposed is provided with a claw 19 which is integrally provided at one end of the side of the empty converter and freely overhangs at the other end.
  • the claw 19 is provided with the same snap-fit structure as the duplex clip for engaging with the LC adapter.
  • the claw 19 fixes the empty converter in the LC adapter, and the ordinary LC plug is inserted in the
  • the insertion of the LC adapter can be realized in the empty converter.
  • the front side of the converter's escape port places the normal LC plug in the empty converter. Therefore, it can be interchanged with a conventional LC plug without changing the way the LC plug and adapter are connected.
  • the flat-time converter is installed in the adapter.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

La présente invention se rapporte à un ensemble connecteur de type LC comportant des informations d'identification pour empêcher une mauvaise insertion et à un connecteur mâle de type LC associé, le connecteur mâle de type LC (1) coupant un adaptateur de type LC (7) par l'intermédiaire d'un boîtier fixe (4) agencé sous la forme d'un support qui se fixe sur une extrémité avant ; une ouverture d'évitement (23) pour réaliser un chemin pour un double clip de fixation (5) est pratiquée sur le côté correspondant du boîtier fixe (4) ; l'ouverture d'évitement (23) s'étend vers la face d'extrémité arrière du boîtier fixe (4) ; des sur-épaisseurs d'arrêt arrière (13) conçues pour correspondre aux bosses dans des positions d'arrêt arrière sur les deux côtés du double clip de fixation (5) sont agencées sur les deux parois latérales de l'ouverture d'évitement (23) ; une carte de circuit imprimé (2) est fermement montée sur le côté du boîtier fixe (4) opposé au côté pourvu de l'ouverture d'évitement (23) ; une puce mémoire d'informations de connecteur mâle (6) est agencée sur la carte de circuit imprimé (2) et deux broches de la puce mémoire d'informations de connecteur mâle (6) sont électriquement raccordées à deux contacts électroconducteurs sur la carte de circuit imprimé, respectivement ; deux pièces métalliques élastiques sont agencées sur l'adaptateur de type LC (7), lesquelles pièces métalliques élastiques sont électriquement raccordées aux deux contacts électroconducteurs, respectivement, lorsqu'elles se croisent et sont électriquement raccordées à une entrée de signal sur une carte mère du système.
PCT/CN2011/001635 2010-09-30 2011-09-28 Ensemble connecteur de type lc comportant des informations d'identification pour empêcher une mauvaise insertion et connecteur mâle de type lc associé WO2012041011A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201020550515.6 2010-09-30
CN2010205505156U CN201845105U (zh) 2010-09-30 2010-09-30 一种具有防误插识别信息的lc连接器组件及其lc插头

Publications (1)

Publication Number Publication Date
WO2012041011A1 true WO2012041011A1 (fr) 2012-04-05

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PCT/CN2011/001635 WO2012041011A1 (fr) 2010-09-30 2011-09-28 Ensemble connecteur de type lc comportant des informations d'identification pour empêcher une mauvaise insertion et connecteur mâle de type lc associé

Country Status (2)

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CN (1) CN201845105U (fr)
WO (1) WO2012041011A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201845105U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种具有防误插识别信息的lc连接器组件及其lc插头
CN102393551B (zh) * 2011-08-26 2015-03-04 中航光电科技股份有限公司 防误插lc插头及包含该插头的lc连接器组件
CN110456456A (zh) * 2018-06-30 2019-11-15 中航光电科技股份有限公司 一种连接器组件及使用该连接器组件的机柜

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CN1667442A (zh) * 2004-03-10 2005-09-14 精工电子有限公司 光连接器插头以及光连接器
JP2008046146A (ja) * 2006-08-10 2008-02-28 Sanwa Denki Kogyo Co Ltd 光コネクタ相互接続用アダプタ
CN101650457A (zh) * 2009-08-31 2010-02-17 华为技术有限公司 一种光纤配线模块、光纤插头及光纤配线架
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CN201845102U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种具有防误插指示的lc连接器组件及其lc插头
CN201845100U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种便于防误插识别的lc连接器组件及其lc插头
CN201845105U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种具有防误插识别信息的lc连接器组件及其lc插头
CN201897648U (zh) * 2010-09-30 2011-07-13 中航光电科技股份有限公司 具有防误插指示的lc连接器组件及其lc插头
CN201903669U (zh) * 2010-09-30 2011-07-20 中航光电科技股份有限公司 一种具有防误插指示的光连接器组件及其光连接器

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1667442A (zh) * 2004-03-10 2005-09-14 精工电子有限公司 光连接器插头以及光连接器
JP2008046146A (ja) * 2006-08-10 2008-02-28 Sanwa Denki Kogyo Co Ltd 光コネクタ相互接続用アダプタ
CN101650457A (zh) * 2009-08-31 2010-02-17 华为技术有限公司 一种光纤配线模块、光纤插头及光纤配线架
CN101968558A (zh) * 2010-09-30 2011-02-09 中航光电科技股份有限公司 光连接器防误插方法及光连接器组件和光连接器
CN201845102U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种具有防误插指示的lc连接器组件及其lc插头
CN201845100U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种便于防误插识别的lc连接器组件及其lc插头
CN201845105U (zh) * 2010-09-30 2011-05-25 中航光电科技股份有限公司 一种具有防误插识别信息的lc连接器组件及其lc插头
CN201897648U (zh) * 2010-09-30 2011-07-13 中航光电科技股份有限公司 具有防误插指示的lc连接器组件及其lc插头
CN201903669U (zh) * 2010-09-30 2011-07-20 中航光电科技股份有限公司 一种具有防误插指示的光连接器组件及其光连接器

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