CN105870708B - A kind of sensor high impedance coaxial connector - Google Patents

A kind of sensor high impedance coaxial connector Download PDF

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Publication number
CN105870708B
CN105870708B CN201610377154.1A CN201610377154A CN105870708B CN 105870708 B CN105870708 B CN 105870708B CN 201610377154 A CN201610377154 A CN 201610377154A CN 105870708 B CN105870708 B CN 105870708B
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CN
China
Prior art keywords
male
outer shroud
inner core
female
main body
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Active
Application number
CN201610377154.1A
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Chinese (zh)
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CN105870708A (en
Inventor
郝拴菊
郝立辉
菅晓亮
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Hebei Createc Instrument Science & Technology Co Ltd
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Hebei Createc Instrument Science & Technology Co Ltd
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Priority to CN201610377154.1A priority Critical patent/CN105870708B/en
Publication of CN105870708A publication Critical patent/CN105870708A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

A kind of sensor high impedance coaxial connector, one end of main body base forms locking with glass tube and coordinated, the other end of main body base forms locking with joint attachment cap and coordinated, contact outer shroud includes male outer shroud butt joint base and male outer shroud that ecto-entad sets gradually and is coaxially disposed, male outer shroud butt joint base is sleeved on glass tube and is coaxially disposed with glass tube, contact and be provided with cable-through hole at the axis of outer shroud, male inner core is located inside male outer shroud, the first tin input hole is offered in the side wall of the male inner core corresponding with cable-through hole, first tin input hole connects with cable-through hole, reference leads are fixedly connected with the inwall of male outer shroud butt joint base, measurement lead is extend into cable-through hole to be connected with male inner core.Glass tube and male are coaxial assembly after assembling, are not in angle skew, waterproof anti-dust performance can reach IP68 grades after connection, convenient to disassembly.Reference leads do not have to bending, extend the service life of sensor.

Description

A kind of sensor high impedance coaxial connector
Technical field
The invention belongs to interface unit technical field, it is related to the connector of sensor, particularly a kind of sensor is used High impedance coaxial connector.
Background technology
The connector of existing sensor, male head structure is as shown in figure 1, when assembling joint, because reference leads are located at Between the outer tube and inner tube of glass tube, if in outer tube interior welds, welding machine lead need to internally roll into a ball around, easily contacted with inner tube, Potential safety hazard be present, so reference leads are needed after the tail end bending of outer tube again with contacting outer shroud welding, the reference of bending part Lead causes glass tube to cannot fit into bottom, and because glass tube tail end must not also increase locating slot, so glass tube easily tilts, So that the easy angle of arrival skew of the assembly of male and glass tube, waterproof anti-dust performance is poor after connection.In addition, reference leads Bending part easily disconnects and influences the normal use of sensor, shortens the service life of sensor.The end of existing male inner core It is flexible for prong shape, cause that in-core in female can not be inserted, or contact with female inner core bad, influence measurement data Accuracy and reliability.
The content of the invention
The defects of present invention is in order to overcome prior art, devises a kind of sensor high impedance coaxial connector, can be with Quick assembling, lead are welded without bending, are same axis body between male and glass tube, and water proof and dust proof performance reaches IP68 grades, Inside and outside connector is reliably connected using elasticity, good sealing effect.
The concrete technical scheme taken of the present invention is:A kind of sensor high impedance coaxial connector, including male and Female, male include main body base and the contact outer shroud being arranged on inside main body base, and contact outer shroud is internally provided with male inner core, female Head includes joint attachment cap and the contact inner ring being arranged on inside joint attachment cap, and contact inner ring is internally provided with female inner core, Cable is connected with female inner core, and one end and the glass tube of main body base form locking and coordinated, and the other end and the joint of main body base connect Connect cap and form locking and coordinate, contact outer shroud with contacting between inner ring, between male inner core and female inner core be all to form grafting to match somebody with somebody Conjunction, glass tube are provided with reference leads and measurement lead, and reference leads are measured in lead and male with contacting outer shroud connection Core connects, it is important to:Described contact outer shroud include the ecto-entad male outer shroud butt joint base that sets gradually and be coaxially disposed and Male outer shroud, male outer shroud butt joint base are sleeved on glass tube and are coaxially disposed with glass tube, contact and are set at the axis of outer shroud There is cable-through hole, male inner core is located inside male outer shroud, and first is offered in the side wall of the male inner core corresponding with cable-through hole Tin input hole, the first tin input hole are connected with cable-through hole, and reference leads are fixedly connected with the inwall of male outer shroud butt joint base, measure lead It extend into cable-through hole and is connected with male inner core.
Between the outer wall of described glass tube and the inwall of main body base, the outer wall of male outer shroud butt joint base and main body base it is interior Encapsulating chamber is both provided between wall, two encapsulating chambers connect and encapsulating intracavitary is provided with epoxy resin layer, male outer shroud butt joint base Outer wall on offer glue-filling slot, glue-filling slot connects with encapsulating chamber.
Described male inner core offers regulating tank along its length in the side wall of female inner core one end, regulating tank Quantity is at least two, and all regulating tanks are along the circumferential direction set at equal intervals.
The end set of described main body base has external screw thread, and internal thread, main body base and joint are provided with joint attachment cap Attachment cap is set with sealing ring by external screw thread and locking for internal thread on fixed and main body base external screw thread.
Ecto-entad is disposed with sealed pressure pad and sealing ring between described main body base and glass tube.
Described main body base is connected on the inwall of one end with glass tube is provided with step trough, is also equipped with sealing in step trough Circle.
Dead ring is provided between described male outer shroud and male inner core.
Described contact inner ring includes female outer shroud, and female inner core is located inside female outer shroud and is provided with absolutely between them Edge ring, wire casing is offered at the axis of female inner core, offering second in the side wall of the female inner core corresponding with wire casing enters tin Hole, cable insertion wire casing is interior and reaches at the second tin input hole.
Internal thread is provided with described inwall of the female outer shroud away from male outer shroud one end, is set up in joint attachment cap Clamp nut, clamp nut form screw-threaded coupling with female outer shroud and coordinated, and offer crossed beam trunking on clamp nut, cable passes through Crossed beam trunking is reached in the wire casing of female inner core.
Described glass tube includes the inner and outer tubes being coaxially disposed, and reference leads are arranged between inner tube and outer tube, are surveyed Amount lead is arranged on internal tube.
The beneficial effects of the invention are as follows:The contact outer shroud of male is divided into male outer shroud butt joint base and male outer shroud two Point, lead conducting and encapsulation two kinds of functions of positioning are reached, the main body base of male is only responsible for threaded connection and sealing, will contacted Outer shroud installs the plastic body seat of outside again after the completion of integrally assembling, so glass tube and male are coaxial assembly after assembling, Reference leads, which do not have to bending, to be fixedly connected with the inwall of male outer shroud butt joint base, are not in angle skew, connect rear defence Water anti-dust performance can reach IP68 grades, convenient to disassembly.Reference leads directly weld with the inwall of male outer shroud butt joint base Fixation is connect, measurement lead is directly protruding into cable-through hole to be welded and fixed with male inner core, and reference leads and measurement lead need not Bending, solving existing connector, " bending part easily disconnects and influences the normal use of sensor, shortens the use of sensor The problem in life-span ", extend the service life of sensor.Sealing ring and sealed pressure pad are elastomeric material, flexible, sealing Effect is good, and without using specific purpose tool extruding is fixed and sealing, time saving and energy saving during installation.Male inner core and female inner core are equal Using can recover elastic construction, while the end of male inner core is no longer needle-like, not flexible, is easily inserted in-core in female, And the accuracy and reliability for well, improving measurement data are contacted with female inner core, make its service life and number significantly Increase.
Brief description of the drawings
Fig. 1 is the structural representation of existing male.
Fig. 2 is the structural representation of male in the present invention.
Fig. 3 is the structural representation of female in the present invention.
In accompanying drawing, 1 represents main body base, and 2 represent joint attachment cap, and 3 represent male inner core, and 4 represent female inner core, and 5 represent Male outer shroud butt joint base, 6 represent male outer shroud, and 7 represent epoxy resin layer, and 8 represent the first tin input hole, and 9 represent glue-filling slot, 10 generations Table sealed pressure pad, 11 represent female outer shroud, and 12 represent the second tin input hole, and 13 represent cable, and 14 represent reference leads, and 15 represent Lead is measured, 16 represent inner tube, and 17 represent outer tube, and 18 represent clamp nut.
Embodiment
The present invention is elaborated with specific embodiment below in conjunction with the accompanying drawings:
Specific embodiment, as shown in Figures 2 and 3, a kind of sensor high impedance coaxial connector, including male and mother Head, male include main body base 1 and the contact outer shroud being arranged on inside main body base 1, and contact outer shroud is internally provided with male inner core 3, Female includes joint attachment cap 2 and the contact inner ring being arranged on inside joint attachment cap 2, and contact inner ring is internally provided with female Core 4, cable 13 are connected with female inner core 4, and one end and the glass tube of main body base 1 form locking and coordinated, the other end of main body base 1 Locking is formed with joint attachment cap 2 to coordinate, ecto-entad is disposed with sealed pressure pad 10 and close between main body base 1 and glass tube Seal, the end set of main body base 1 have external screw thread, and internal thread, main body base 1 and joint attachment cap 2 are provided with joint attachment cap 2 By external screw thread and locking for internal thread sealing ring, the He of sealed pressure pad 10 are set with fixed and main body base 1 external screw thread Sealing ring is all made by elastic rubber material, good sealing effect.Main body base 1 is connected on the inwall of one end with glass tube Step trough is provided with, sealing ring is also equipped with step trough, sealing ring is made by elastic rubber material, can enter one Step improves sealing effectiveness.Contact outer shroud with contacting between inner ring, between male inner core 3 and female inner core 4 be all to form grafting to match somebody with somebody Closing, glass tube is provided with reference leads 14 and measurement lead 15, and glass tube includes inner tube 16 and the outer tube 17 being coaxially disposed, Reference leads 14 are arranged between inner tube 16 and outer tube 17, and measurement lead 15 is arranged on inside inner tube 16, and reference leads 14 are with connecing Outer shroud connection is touched, measurement lead 15 is connected with male inner core 3.
Contact outer shroud includes male outer shroud butt joint base 5 and male outer shroud 6 that ecto-entad sets gradually and is coaxially disposed, public Head outer shroud butt joint base 5 is sleeved on glass tube and is coaxially disposed with glass tube, contacts and cable-through hole is provided with the axis of outer shroud, public Head inner core 3 is located inside male outer shroud 6, dead ring is provided between male outer shroud 6 and male inner core 3, the material of dead ring is Polytetrafluoro, insulation effect is good, and the first tin input hole 8 is offered in the side wall of the male inner core 3 corresponding with cable-through hole, and first enters tin Hole 8 is connected with cable-through hole, and reference leads 14 are fixedly connected with the inwall of male outer shroud butt joint base 5, and measurement lead 15 was extend into It is connected in string holes with male inner core 3, Xi Shui is poured into a mould into cable-through hole by the first tin input hole 8, by measurement lead 15 and male Core 3 is welded and fixed together, in order that the connection between measurement lead 15 and male inner core 3 is more solid and reliable, measurement is drawn Line 15 is extend at the first tin input hole 8.
The main body base 1 of male is responsible for threaded connection and sealing, and outside is installed again after the completion of contact outer shroud is integrally assembled Plastic body seat 1, so glass tube and male are coaxial assembly after assembling, and reference leads 14 can be with male without bending The inwall of outer shroud butt joint base 5 is fixedly connected, and is not in angle skew, waterproof anti-dust performance can reach IP68 etc. after connection Level, it is convenient to disassembly.Inwall of the reference leads 14 directly with male outer shroud butt joint base 5 is welded and fixed, and measurement lead 15 is direct It extend into cable-through hole and is welded and fixed with male inner core 3, reference leads 14 and measurement lead 15 solves existing without bending Connector " bending part easily disconnects and influences the normal use of sensor, shortens the service life of sensor " problem, prolong The service life of sensor is grown.
As a further refinement of the present invention, between the outer wall of glass tube and the inwall of main body base 1, male outer shroud docks Encapsulating chamber is both provided between 5 outer wall of seat and the inwall of main body base 1, two encapsulating chambers connect and encapsulating intracavitary is provided with epoxy Resin bed 7, glue-filling slot 9 is offered on the outer wall of male outer shroud butt joint base 5, glue-filling slot 9 connects with encapsulating chamber.Utilize epoxy resin The inwall of the outer wall of glass tube and main body base 1 is securely attached together by layer 7, while by outside the inwall of main body base 1 and male The outer wall of ring butt joint base 5 is securely attached together, and can further prevent that radial deflection occurs between glass tube and male.Fill Glue groove 9 is connected with encapsulating chamber so during encapsulating, and epoxy resin can be also flowed into glue-filling slot 9, and the epoxy resin in glue-filling slot 9 can be with Further prevent that axial dipole field occurs between glass tube and male.
As a further refinement of the present invention, male inner core 3 in the side wall of the one end of female inner core 4 along its length Regulating tank is offered, the quantity of regulating tank is at least two, and all regulating tanks are along the circumferential direction set at equal intervals, male inner core The external diameter at 3 the both ends both less than external diameter at middle part and external diameter gradually increase from both ends to middle part forms expansion wall.Due to adjusting during grafting The presence of groove being saved, so the end of male inner core 3 is extruded and diminished so that grafting is more time saving and energy saving, and after grafting, due to swollen The presence of swollen wall so that connection is more solid and reliable.
As a further refinement of the present invention, contact inner ring includes female outer shroud 11, female inner core 4 is located at female outer shroud Dead ring is provided with inside 11 and between them, the material of dead ring is polytetrafluoro, and insulation effect is good.Female outer shroud 11 and street corner Sealing ring is provided between attachment cap 2, sealing ring is made by elastic rubber material, can further improve sealing effect Fruit.Wire casing is offered at the axis of female inner core 4, offering second in the side wall of the female inner core 4 corresponding with wire casing enters tin Hole 12, in the electric wire termination insertion wire casing of cable 13 and reach at the second tin input hole 12, by the second tin input hole 12 to wire casing The electric wire termination of cable 13 is welded and fixed together by interior cast Xi Shui with female inner core 4, firm and reliable connection.
As a further refinement of the present invention, in being provided with inwall of the female outer shroud 11 away from the one end of male outer shroud 6 Screw thread, clamp nut 18 is set up in joint attachment cap 2, clamp nut 18 forms screw-threaded coupling with female outer shroud 11 and coordinated, pressure Crossed beam trunking is offered on tight nut 18, cable 13 is reached through crossed beam trunking in the wire casing of female inner core 4.The one of clamp nut 18 End is fixed together with female outer shroud 11, and the other end of clamp nut 18 is in close contact with the inwall of joint attachment cap 2, can be incited somebody to action Cable 13 compresses, and effectively prevents cable 13 from shifting vertically.
Also the first metal pressure pad, lock sealing pad, second are disposed with inside female outer shroud 11 from one end to the other end Metal pressure pad and contact metal film, this four part are fixed together, the first metal pressure pad, lock sealing pad, the second metal Pressure pad and contact metal film are all located at the ends contact of the inner side of clamp nut 18 and the first metal pressure pad and clamp nut 18, contact The electric wire termination of the inwall of sheet metal and cable 13 is welded and fixed, and can further prevent cable 13 from occurring vertically partially Move.
The one end of female outer shroud 11 away from male outer shroud 6 is additionally provided with cable rubber shield tail, and cable rubber protects one end of tail It is exposed at outside female outer shroud 11, the end inside the other end insertion female outer shroud 11 of the cable rubber shield tail and end is outwardly convex The positioning edge gone out, is provided with that card is fast, and locating ring can effectively prevent cable with blocking fast clamping on the inwall of the end of female outer shroud 11 Rubber shield tail comes off.

Claims (10)

1. a kind of sensor high impedance coaxial connector, including male and female, male includes main body base (1) and is arranged on master The internal contact outer shroud of housing (1), contact outer shroud are internally provided with male inner core (3), and female includes joint attachment cap (2) and set Put in the internal contact inner ring of joint attachment cap (2), contact inner ring is internally provided with female inner core (4), cable (13) and mother Head inner core (4) connection, one end and the glass tube of main body base (1) form locking and coordinated, and the other end of main body base (1) is connected with joint Cap (2) forms locking and coordinated, and contact outer shroud is all formed with contacting between inner ring, between male inner core (3) and female inner core (4) Grafting coordinates, and glass tube is provided with reference leads (14) and measurement lead (15), and reference leads (14) connect with contacting outer shroud Connect, measurement lead (15) is connected with male inner core (3), it is characterised in that:Described contact outer shroud is set successively including ecto-entad The male outer shroud butt joint base (5) and male outer shroud (6) put and be coaxially disposed, male outer shroud butt joint base (5) are sleeved on glass tube And be coaxially disposed with glass tube, contact and cable-through hole is provided with the axis of outer shroud, male inner core (3) is located in male outer shroud (6) Portion, the first tin input hole (8) is offered in the side wall of the male inner core (3) corresponding with cable-through hole, the first tin input hole (8) is with crossing line Hole is connected, and reference leads (14) are fixedly connected with the inwall of male outer shroud butt joint base (5), and measurement lead (15) extend into cable-through hole It is interior to be connected with male inner core (3).
A kind of 2. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Described glass tube Outer wall and main body base (1) inwall between, all set between the inwall of the outer wall of male outer shroud butt joint base (5) and main body base (1) Be equipped with encapsulating chamber, two encapsulating chambers connections and encapsulating intracavitary are provided with epoxy resin layer (7), male outer shroud butt joint base (5) it is outer Glue-filling slot (9) is offered on wall, glue-filling slot (9) connects with encapsulating chamber.
A kind of 3. sensor high impedance coaxial connector according to claim 1, it is characterised in that:In described male Core (3) offers regulating tank along its length in the side wall of female inner core (4) one end, and the quantity of regulating tank is at least two Individual, all regulating tanks are along the circumferential direction set at equal intervals.
A kind of 4. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Described main body base (1) end set has external screw thread, and internal thread is provided with joint attachment cap (2), and main body base (1) is borrowed with joint attachment cap (2) External screw thread and locking for internal thread is helped to be set with sealing ring on the fixed and external screw thread of main body base (1).
A kind of 5. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Described main body base (1) ecto-entad is disposed with sealed pressure pad (10) and sealing ring between glass tube.
A kind of 6. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Described main body base (1) it is connected with glass tube on the inwall of one end and is provided with step trough, sealing ring is also equipped with step trough.
A kind of 7. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Outside described male Dead ring is provided between ring (6) and male inner core (3).
A kind of 8. sensor high impedance coaxial connector according to claim 1, it is characterised in that:In described contact Ring includes female outer shroud (11), and female inner core (4) is located inside female outer shroud (11) and is provided with dead ring, female between them Wire casing is offered at the axis of inner core (4), the second tin input hole is offered in the side wall of the female inner core (4) corresponding with wire casing (12), in cable (13) insertion wire casing and arrival the second tin input hole (12) place.
A kind of 9. sensor high impedance coaxial connector according to claim 8, it is characterised in that:Outside described female Ring (11) is provided with internal thread on the inwall away from male outer shroud (6) one end, and clamp nut is set up in joint attachment cap (2) (18), clamp nut (18) forms screw-threaded coupling with female outer shroud (11) and coordinated, and clamp nut offers crossed beam trunking on (18), electricity Cable (13) is reached through crossed beam trunking in the wire casing of female inner core (4).
A kind of 10. sensor high impedance coaxial connector according to claim 1, it is characterised in that:Described glass Pipe includes the inner tube (16) being coaxially disposed and outer tube (17), reference leads (14) are arranged between inner tube (16) and outer tube (17), It is internal that measurement lead (15) is arranged on inner tube (16).
CN201610377154.1A 2016-06-01 2016-06-01 A kind of sensor high impedance coaxial connector Active CN105870708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610377154.1A CN105870708B (en) 2016-06-01 2016-06-01 A kind of sensor high impedance coaxial connector

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Application Number Priority Date Filing Date Title
CN201610377154.1A CN105870708B (en) 2016-06-01 2016-06-01 A kind of sensor high impedance coaxial connector

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CN105870708A CN105870708A (en) 2016-08-17
CN105870708B true CN105870708B (en) 2018-02-13

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110207644B (en) * 2018-02-28 2021-04-09 中国航发商用航空发动机有限责任公司 Rotor disc stack assembly method and apparatus
CN109546492B (en) * 2018-12-20 2020-02-28 中国人民解放军国防科技大学 High-voltage coaxial cable connector
CN110319857B (en) * 2019-08-05 2024-05-14 北京恒泰翔基科技有限公司 Sensor with high-resistance connection structure

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US7052283B2 (en) * 2004-06-18 2006-05-30 John Mezzalingua Associates, Inc. Sheath current attenuator for coaxial cable
CN101453046A (en) * 2007-12-03 2009-06-10 日本电气株式会社 Coaxial connector connecting structure and high- frequency device equipped with the same
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KR20130117167A (en) * 2012-04-18 2013-10-25 김태곤 Rf coaxial connector using printed circuit board
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