WO2013100524A1 - Four-pole plug for connection to pcb - Google Patents

Four-pole plug for connection to pcb Download PDF

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Publication number
WO2013100524A1
WO2013100524A1 PCT/KR2012/011395 KR2012011395W WO2013100524A1 WO 2013100524 A1 WO2013100524 A1 WO 2013100524A1 KR 2012011395 W KR2012011395 W KR 2012011395W WO 2013100524 A1 WO2013100524 A1 WO 2013100524A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
plug
plug member
tip
connection
Prior art date
Application number
PCT/KR2012/011395
Other languages
French (fr)
Inventor
In Hwan Choi
Jeong In Bag
Original Assignee
Philosys Co., Ltd.
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 Philosys Co., Ltd. filed Critical Philosys Co., Ltd.
Priority to EP12861724.8A priority Critical patent/EP2798709A4/en
Priority to US14/366,762 priority patent/US20140349522A1/en
Priority to RU2014125563A priority patent/RU2014125563A/en
Publication of WO2013100524A1 publication Critical patent/WO2013100524A1/en

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Classifications

    • 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
    • H01R24/58—Contacts spaced along longitudinal axis of engagement
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

Definitions

  • the present invention relates, in general, to four-pole plugs for connection to PCBs (printed circuit boards) and, more particularly, to a four-pole plug for connection to a PCB which is configured such that the four-pole plug is easily coupled to a PCB module.
  • Plugs are connectors which are provided on ends of electric cords to connect electric circuits to each other. Typically, plugs are widely used as parts for outputting audio information of acoustic apparatuses.
  • the acoustic apparatus To output sound generated from an acoustic apparatus through an external speaker, the acoustic apparatus generally has a jack to which a connection plug of the speaker is connected.
  • speakers include earphones, headphones, etc.
  • a two-pole plug In the case of a mono sound source, a two-pole plug is used. When a stereo sound source is used, a three-pole plug is required. Recently, four-pole plugs are commonly used not only to provide connection to a stereo sound source but also to provide additional functions, such as controlling the frequency of an acoustic apparatus, rewinding or fast-forward winding, stopping, outputting of image information, etc., using, for example, a remote controller connected to an electric cord of an earphone.
  • FIG. 1 is a perspective view illustrating a conventional four-pole plug.
  • the conventional four-pole plug includes a plug tip 1, a plug body 2, a terminal housing 3 and terminal connectors 4. Wires 5 are connected to the corresponding terminal connectors 4.
  • the terminal housing 3 generally has a cylindrical shape so that it cannot be easily placed on a PCB. Further, because the work of connecting the wires to the four-pole plug is conducted manually, it is not easy to connect the wires to the four-pole plug and couple it to the PCB. Further, an error rate in work of wire connection is increased, thus increasing the number of defective products. In addition, applying an equipment finish is inconvenient to a worker.
  • the inventors of the present invention propose a four-pole plug for connection to a PCB which is configured such that it can be easily connected to the PCB, errors are prevented from being caused during a process of connecting the plug to an external apparatus, and the function of the plug can be diversified.
  • an object of the present invention is to provide a four-pole plug for connection to a PCB which is configured such that it can be easily connected to the PCB.
  • Another object of the present invention is to provide a four-pole plug for connection to a PCB which can reduce an error rate during a process of connecting the plug to an external apparatus.
  • the present invention provides a four-pole plug for connection to a PCB, including: a plug body unit having a long cylindrical shape, the plug body unit being connected to a jack of an acoustic apparatus; a connection terminal unit coupled to an end of the plug body unit; and a terminal housing receiving the connection terminal unit therein, the terminal housing having an opening at a predetermined position so that a portion of the connection terminal unit protrudes from the terminal housing through the opening.
  • the plug body unit may include: a tip provided on a front end of the plug body unit, the tip having a thin and long cylindrical coupling part; a first plug member longitudinally coupled to the tip in such a way that the tip is disposed in the first plug member; a second plug member longitudinally coupled to the first plug member in such a way that the first plug member is disposed in the second plug member; a third plug member longitudinally coupled to the second plug member in such a way that the second plug member is disposed in the third plug member; and a fourth plug member made of an insulation material and interposed between junction surfaces of the tip, the first plug member, the second plug member and the third plug member, the fourth plug member being longitudinally coupled to the third plug member in such a way that a portion of the coupling part of the tip that protrudes outwards from the first plug member is received in the third plug member.
  • the connection terminal unit may include: a first terminal coupled to an end of the fourth plug member that is not coupled to the tip; a second terminal disposed adjacent to the first terminal; a third terminal disposed adjacent to the second terminal; and a fourth terminal disposed adjacent to the third terminal.
  • the opening of the terminal housing may comprise a pair of openings formed in each of opposite sides of the terminal housing so that the first terminal, the second terminal, the third terminal and the fourth terminal protrude outwards from the terminal housing through the corresponding openings.
  • a four-pole plug for connection to a PCB according to the present invention is configured such that it can be easily connected to the PCB. Further, the present invention can reduce an error rate during a process of connecting the plug to an external apparatus.
  • FIG. 1 is a perspective view showing a four-pole plug to which wires are connected, according to a conventional technique
  • FIG. 2 is a perspective view illustrating a four-pole plug for connection to a PCB, according to the present invention
  • FIG. 3 is a sectional view illustrating the four-pole plug according to the present invention.
  • FIG. 4 is an exploded perspective view illustrating the four-pole plug according to the present invention.
  • FIG. 2 is a perspective view illustrating a four-pole plug for connection to a PCB, according to the present invention.
  • the four-pole plug according to the present invention includes a plug body unit 10, connection terminal units 20 and a terminal housing 30.
  • the plug body unit 10 has a long cylindrical shape and is designed so as to be connected to a jack of a predetermined acoustic apparatus.
  • the plug body unit 10 is configured such that a tip 11, a first plug member 12, a second plug member 13, a third plug member 14 and a fourth plug member 15 are coupled to each other.
  • connection terminal units 20 are coupled to a first end of the plug body unit 10 and disposed in the terminal housing 30. A portion of each connection terminal unit 20 protrudes outwards from the terminal housing 30 so that it can be easily connected to the external PCB. Therefore, the terminal housing 30 has, at predetermined positions, openings through which the portions of the connection terminal units 20 protrude outwards from the terminal housing 30.
  • FIG. 3 is a sectional view illustrating the four-pole plug according to the present invention.
  • FIG. 4 is an exploded perspective view illustrating the four-pole plug according to the present invention.
  • connection terminal unit 20 is coupled to the first end of the plug body unit 10. Further, the connection terminal units 20 are housed in the terminal housing 30, and the portions of the connection terminal units 20 protrude outwards from the terminal housing 30 through the openings that are formed in the terminal housing 30 at the predetermined positions.
  • the tip 11 is provided on a front end of the plug body unit 10 so that it can be connected to the jack of the acoustic apparatus.
  • the tip 11 has a thin and long cylindrical coupling part.
  • the first plug member 12 is longitudinally coupled to the tip 11 in such a way that the coupling part of the tip 11 is housed in the first plug member 12.
  • the second plug member 13 is longitudinally coupled to the first plug member 12 in such a way that the first plug member 12 is housed in the second plug member 13.
  • the third plug member 14 is longitudinally coupled to the second plug member 13 in such a way that the second plug member 13 is housed in the third plug member 14.
  • the fourth plug member 15 receives a portion of the coupling part of the tip 11 that protrudes outwards from the first plug member 12 and is longitudinally coupled to the third plug member 14.
  • the fourth plug member 15 is made of insulation material and is interposed between junction surfaces of the tip 11, the first plug member 12, the second plug member 13 and the third plug member 14.
  • the fourth plug member 15 is provided on the first end of the plug body unit 10 and preferably has a stepped cylindrical shape on its second end that is not coupled to the tip 11 such that the connection terminal units 20 can be coupled to the second end of the fourth plug member 15.
  • a first terminal 21 is coupled to the second end of the fourth plug member 15 that is not coupled to the tip 11.
  • the second terminal 22 is disposed adjacent to the first terminal 21.
  • the third terminal 23 is disposed adjacent to the second terminal 22.
  • the fourth terminal 24 is disposed adjacent to the third terminal 23.
  • the first terminal 21, the second terminal 22 and the third terminal 23 have ring-shaped coupling portions at predetermined positions. That is, the first terminal 21, the second terminal 22, the third terminal 23 and the fourth terminal 24 are respectively connected to the tip 11, the first plug member 12, the second plug member 13 and the third plug member 14.
  • connection terminal unit 20 is coupled to the first end of the plug body unit 10, and then the terminal housing 30 in which the connection terminal unit 20 is housed is coupled to the plug body unit 10.
  • the terminal housing 30 has, at the predetermined positions, the openings, the number of which corresponds to the number of terminals.
  • a four-pole plug for connection to a PCB according to the present invention can be easily connected to a PCB module. Further, the present invention can facilitate work of coupling the plug to an external device. Therefore, the present invention can be widely used as a component for home appliances or portable electronic products.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Disclosed herein is a four-pole plug for connection to a PCB. The four-pole plug includes a plug body unit (10) which has a long cylindrical shape and is connected to a jack of an acoustic apparatus, a connection terminal unit (20) which is coupled to an end of the plug body unit, and a terminal housing (30) which receives the connection terminal unit therein and has an opening at a predetermined position so that a portion of the connection terminal unit protrudes from the terminal housing through the opening.

Description

FOUR-POLE PLUG FOR CONNECTION TO PCB
The present invention relates, in general, to four-pole plugs for connection to PCBs (printed circuit boards) and, more particularly, to a four-pole plug for connection to a PCB which is configured such that the four-pole plug is easily coupled to a PCB module.
Plugs are connectors which are provided on ends of electric cords to connect electric circuits to each other. Typically, plugs are widely used as parts for outputting audio information of acoustic apparatuses. To output sound generated from an acoustic apparatus through an external speaker, the acoustic apparatus generally has a jack to which a connection plug of the speaker is connected. Of course, such speakers include earphones, headphones, etc.
In the case of a mono sound source, a two-pole plug is used. When a stereo sound source is used, a three-pole plug is required. Recently, four-pole plugs are commonly used not only to provide connection to a stereo sound source but also to provide additional functions, such as controlling the frequency of an acoustic apparatus, rewinding or fast-forward winding, stopping, outputting of image information, etc., using, for example, a remote controller connected to an electric cord of an earphone.
FIG. 1 is a perspective view illustrating a conventional four-pole plug. As shown in FIG. 1, the conventional four-pole plug includes a plug tip 1, a plug body 2, a terminal housing 3 and terminal connectors 4. Wires 5 are connected to the corresponding terminal connectors 4. However, in this conventional four-pole plug, the terminal housing 3 generally has a cylindrical shape so that it cannot be easily placed on a PCB. Further, because the work of connecting the wires to the four-pole plug is conducted manually, it is not easy to connect the wires to the four-pole plug and couple it to the PCB. Further, an error rate in work of wire connection is increased, thus increasing the number of defective products. In addition, applying an equipment finish is inconvenient to a worker.
To overcome the problems of the conventional technique, the inventors of the present invention propose a four-pole plug for connection to a PCB which is configured such that it can be easily connected to the PCB, errors are prevented from being caused during a process of connecting the plug to an external apparatus, and the function of the plug can be diversified.
Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a four-pole plug for connection to a PCB which is configured such that it can be easily connected to the PCB.
Another object of the present invention is to provide a four-pole plug for connection to a PCB which can reduce an error rate during a process of connecting the plug to an external apparatus.
In order to accomplish the above objects, the present invention provides a four-pole plug for connection to a PCB, including: a plug body unit having a long cylindrical shape, the plug body unit being connected to a jack of an acoustic apparatus; a connection terminal unit coupled to an end of the plug body unit; and a terminal housing receiving the connection terminal unit therein, the terminal housing having an opening at a predetermined position so that a portion of the connection terminal unit protrudes from the terminal housing through the opening.
The plug body unit may include: a tip provided on a front end of the plug body unit, the tip having a thin and long cylindrical coupling part; a first plug member longitudinally coupled to the tip in such a way that the tip is disposed in the first plug member; a second plug member longitudinally coupled to the first plug member in such a way that the first plug member is disposed in the second plug member; a third plug member longitudinally coupled to the second plug member in such a way that the second plug member is disposed in the third plug member; and a fourth plug member made of an insulation material and interposed between junction surfaces of the tip, the first plug member, the second plug member and the third plug member, the fourth plug member being longitudinally coupled to the third plug member in such a way that a portion of the coupling part of the tip that protrudes outwards from the first plug member is received in the third plug member.
The connection terminal unit may include: a first terminal coupled to an end of the fourth plug member that is not coupled to the tip; a second terminal disposed adjacent to the first terminal; a third terminal disposed adjacent to the second terminal; and a fourth terminal disposed adjacent to the third terminal.
The opening of the terminal housing may comprise a pair of openings formed in each of opposite sides of the terminal housing so that the first terminal, the second terminal, the third terminal and the fourth terminal protrude outwards from the terminal housing through the corresponding openings.
A four-pole plug for connection to a PCB according to the present invention is configured such that it can be easily connected to the PCB. Further, the present invention can reduce an error rate during a process of connecting the plug to an external apparatus.
FIG. 1 is a perspective view showing a four-pole plug to which wires are connected, according to a conventional technique;
FIG. 2 is a perspective view illustrating a four-pole plug for connection to a PCB, according to the present invention;
FIG. 3 is a sectional view illustrating the four-pole plug according to the present invention; and
FIG. 4 is an exploded perspective view illustrating the four-pole plug according to the present invention.
The above and other objects, features and advantages of the present invention will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, a four-pole plug for connection to a PCB according to an embodiment of the present invention will be described in detail with the accompanying drawings.
FIG. 2 is a perspective view illustrating a four-pole plug for connection to a PCB, according to the present invention.
As shown in FIG. 2, the four-pole plug according to the present invention includes a plug body unit 10, connection terminal units 20 and a terminal housing 30.
The plug body unit 10 has a long cylindrical shape and is designed so as to be connected to a jack of a predetermined acoustic apparatus. The plug body unit 10 is configured such that a tip 11, a first plug member 12, a second plug member 13, a third plug member 14 and a fourth plug member 15 are coupled to each other.
The connection terminal units 20 are coupled to a first end of the plug body unit 10 and disposed in the terminal housing 30. A portion of each connection terminal unit 20 protrudes outwards from the terminal housing 30 so that it can be easily connected to the external PCB. Therefore, the terminal housing 30 has, at predetermined positions, openings through which the portions of the connection terminal units 20 protrude outwards from the terminal housing 30.
FIG. 3 is a sectional view illustrating the four-pole plug according to the present invention. FIG. 4 is an exploded perspective view illustrating the four-pole plug according to the present invention.
As shown in FIGS. 3 and 4, in the four-pole plug according to the present invention, the tip 11, the first plug member 12, the second plug member 13, the third plug member 14 and the fourth plug member 15 are successively coupled to each other, thus forming the plug body unit 10. The connection terminal unit 20 is coupled to the first end of the plug body unit 10. Further, the connection terminal units 20 are housed in the terminal housing 30, and the portions of the connection terminal units 20 protrude outwards from the terminal housing 30 through the openings that are formed in the terminal housing 30 at the predetermined positions.
The tip 11 is provided on a front end of the plug body unit 10 so that it can be connected to the jack of the acoustic apparatus. The tip 11 has a thin and long cylindrical coupling part. The first plug member 12 is longitudinally coupled to the tip 11 in such a way that the coupling part of the tip 11 is housed in the first plug member 12. The second plug member 13 is longitudinally coupled to the first plug member 12 in such a way that the first plug member 12 is housed in the second plug member 13. Further, the third plug member 14 is longitudinally coupled to the second plug member 13 in such a way that the second plug member 13 is housed in the third plug member 14. The fourth plug member 15 receives a portion of the coupling part of the tip 11 that protrudes outwards from the first plug member 12 and is longitudinally coupled to the third plug member 14. The fourth plug member 15 is made of insulation material and is interposed between junction surfaces of the tip 11, the first plug member 12, the second plug member 13 and the third plug member 14. Furthermore, the fourth plug member 15 is provided on the first end of the plug body unit 10 and preferably has a stepped cylindrical shape on its second end that is not coupled to the tip 11 such that the connection terminal units 20 can be coupled to the second end of the fourth plug member 15.
Furthermore, a first terminal 21 is coupled to the second end of the fourth plug member 15 that is not coupled to the tip 11. The second terminal 22 is disposed adjacent to the first terminal 21. The third terminal 23 is disposed adjacent to the second terminal 22. The fourth terminal 24 is disposed adjacent to the third terminal 23. As described above, in the case where the second end of the fourth plug member 15 that is not coupled to the tip 11 has a stepped cylindrical shape such that the connection terminal units 20 can be coupled thereto, it is preferable that the first terminal 21, the second terminal 22 and the third terminal 23 have ring-shaped coupling portions at predetermined positions. That is, the first terminal 21, the second terminal 22, the third terminal 23 and the fourth terminal 24 are respectively connected to the tip 11, the first plug member 12, the second plug member 13 and the third plug member 14.
The connection terminal unit 20 is coupled to the first end of the plug body unit 10, and then the terminal housing 30 in which the connection terminal unit 20 is housed is coupled to the plug body unit 10. As stated above, the terminal housing 30 has, at the predetermined positions, the openings, the number of which corresponds to the number of terminals.
Although the preferred embodiment of the present invention has been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
As described above, a four-pole plug for connection to a PCB according to the present invention can be easily connected to a PCB module. Further, the present invention can facilitate work of coupling the plug to an external device. Therefore, the present invention can be widely used as a component for home appliances or portable electronic products.

Claims (4)

  1. A four-pole plug for connection to a PCB (printed circuit board), comprising:
    a plug body unit having a long cylindrical shape, the plug body unit being connected to a jack of an acoustic apparatus;
    a connection terminal unit coupled to an end of the plug body unit; and
    a terminal housing receiving the connection terminal unit therein, the terminal housing having an opening at a predetermined position so that a portion of the connection terminal unit protrudes from the terminal housing through the opening.
  2. The four-pole plug according to claim 1, wherein the plug body unit comprises
    a tip provided on a front end of the plug body unit, the tip having a thin and long cylindrical coupling part;
    a first plug member longitudinally coupled to the tip in such a way that the tip is disposed in the first plug member;
    a second plug member longitudinally coupled to the first plug member in such a way that the first plug member is disposed in the second plug member;
    a third plug member longitudinally coupled to the second plug member in such a way that the second plug member is disposed in the third plug member; and
    a fourth plug member made of an insulation material and interposed between junction surfaces of the tip, the first plug member, the second plug member and the third plug member, the fourth plug member being longitudinally coupled to the third plug member in such a way that a portion of the coupling part of the tip that protrudes outwards from the first plug member is received in the third plug member.
  3. The four-pole plug according to claim 2, wherein the connection terminal unit comprises:
    a first terminal coupled to an end of the fourth plug member that is not coupled to the tip;
    a second terminal disposed adjacent to the first terminal;
    a third terminal disposed adjacent to the second terminal; and
    a fourth terminal disposed adjacent to the third terminal.
  4. The four-pole plug according to claim 3, wherein the opening of the terminal housing comprises a pair of openings formed in each of opposite sides of the terminal housing so that the first terminal, the second terminal, the third terminal and the fourth terminal protrude outwards from the terminal housing through the corresponding openings.
PCT/KR2012/011395 2011-12-26 2012-12-24 Four-pole plug for connection to pcb WO2013100524A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12861724.8A EP2798709A4 (en) 2011-12-26 2012-12-24 Four-pole plug for connection to pcb
US14/366,762 US20140349522A1 (en) 2011-12-26 2012-12-24 Four-pole plug for connection to pcb
RU2014125563A RU2014125563A (en) 2011-12-26 2012-12-24 FOUR-POLE PLUG FOR CONNECTION WITH PRINTED INSTALLATION BOARD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0142345 2011-12-26
KR1020110142345A KR101264790B1 (en) 2011-12-26 2011-12-26 Four pole plug for combining with pcb

Publications (1)

Publication Number Publication Date
WO2013100524A1 true WO2013100524A1 (en) 2013-07-04

Family

ID=48666311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/011395 WO2013100524A1 (en) 2011-12-26 2012-12-24 Four-pole plug for connection to pcb

Country Status (5)

Country Link
US (1) US20140349522A1 (en)
EP (1) EP2798709A4 (en)
KR (1) KR101264790B1 (en)
RU (1) RU2014125563A (en)
WO (1) WO2013100524A1 (en)

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EP3016116A1 (en) * 2014-11-03 2016-05-04 Roche Diagniostics GmbH Printed circuit board arrangement, coil for a laboratory sample distribution system, laboratory sample distribution system and laboratory automation system
EP3073583B1 (en) * 2013-11-22 2019-10-23 Sony Semiconductor Solutions Corporation Connection device and reception device

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USD808338S1 (en) * 2016-04-19 2018-01-23 Karim Messadek Connector
US20180056797A1 (en) * 2016-08-31 2018-03-01 Faraday&Future Inc. Systems and methods for providing an intelligent charge handle for charging a vehicle battery
USD885369S1 (en) * 2018-08-27 2020-05-26 Via Technologies, Inc. Headset

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KR19990052494A (en) * 1997-12-22 1999-07-15 구자홍 Multipole Plugs and Jacks
KR20010022047A (en) * 1998-05-22 2001-03-15 이케다 데루타카 Jack
JP2003189385A (en) * 2001-12-17 2003-07-04 Hitachi Kokusai Electric Inc System for switching externally connected device
KR100796158B1 (en) * 2006-11-30 2008-01-21 (주)케이티에프테크놀로지스 Mobile communication terminal for intergration connecting of external device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3073583B1 (en) * 2013-11-22 2019-10-23 Sony Semiconductor Solutions Corporation Connection device and reception device
EP3016116A1 (en) * 2014-11-03 2016-05-04 Roche Diagniostics GmbH Printed circuit board arrangement, coil for a laboratory sample distribution system, laboratory sample distribution system and laboratory automation system
US9939455B2 (en) 2014-11-03 2018-04-10 Roche Diagnostics Operations, Inc. Laboratory sample distribution system and laboratory automation system

Also Published As

Publication number Publication date
EP2798709A4 (en) 2015-07-22
US20140349522A1 (en) 2014-11-27
EP2798709A1 (en) 2014-11-05
KR101264790B1 (en) 2013-05-15
RU2014125563A (en) 2016-02-20

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