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WO2019039689A1 - Étui de dispositif portable permettant à un accessoire d'être facilement attaché/détaché de celui-ci - Google Patents

Étui de dispositif portable permettant à un accessoire d'être facilement attaché/détaché de celui-ci Download PDF

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Publication number
WO2019039689A1
WO2019039689A1 PCT/KR2018/003530 KR2018003530W WO2019039689A1 WO 2019039689 A1 WO2019039689 A1 WO 2019039689A1 KR 2018003530 W KR2018003530 W KR 2018003530W WO 2019039689 A1 WO2019039689 A1 WO 2019039689A1
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WO
WIPO (PCT)
Prior art keywords
case
portable device
charging
opening
terminal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/003530
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English (en)
Korean (ko)
Inventor
이성수
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Individual
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Individual
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Filing date
Publication date
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Publication of WO2019039689A1 publication Critical patent/WO2019039689A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C11/002—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for storing portable handheld communication devices, e.g. pagers or smart phones
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/001—Accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

Definitions

  • the present invention relates to a case for a portable device in which an accessory can be easily attached and detached, and more particularly, The present invention relates to a case for a portable device which is easy to attach and detach.
  • the degree of integration of the portable devices increases, and as the size of each component becomes smaller, the probability of damage and failure due to the impact is increasing.
  • the front liquid crystal which occupies the largest part of the portable device is exposed on the front surface, and since the glass which is weak in impact is used as the main material, the damage caused by most impacts is concentrated on the front liquid crystal display device .
  • the case for the portable device is made of various materials such as plastic, which can absorb the impact, and can absorb the impact applied to the portable device.
  • plastic which can absorb the impact, and can absorb the impact applied to the portable device.
  • the thicker the case the deteriorated appearance of the portable device itself.
  • a case for a portable device made of a metal material is also sold, but the problem of radio wave transmission is lowered, the shock absorbing rate is lowered, and the lifespan is shortened due to a corrosion phenomenon peculiar to the metal.
  • the determinability is lower than that of conventional computers.
  • the battery is driven using the battery.
  • the use time of the portable device is limited due to the limitation of the battery capacity.
  • the use of various external batteries is increasing, but the portability of portable devices is greatly reduced.
  • it is not possible to replace the battery It is not used yet.
  • An object of the present invention is to provide a case for a portable device which can be used in combination with accessories regardless of the type and operating system of the portable device by disposing electrodes in the case for the portable device,
  • the present invention provides a case for a portable device which is coupled to a concave front surface of a portable device and is in close contact with at least one of a rear surface, a side surface, An opening located at a lower rear side of the case for passing through the portable device case; (b) an external terminal for communication and charging, which is located on the inside of the case, below the opening, made of a conductive metal and having 1 to 50 plate-shaped electrodes; And (c) an internal terminal for communicating and charging the portable device, the portable terminal being located on the lower surface of the case, the external terminal being electrically connected to the corresponding electrode, and being inserted into the portable device when the case is coupled.
  • a case for a portable device which is coupled to a concave front surface of a portable device and is in close contact with at least one of a rear surface, a side surface, An opening located at a lower rear side of the case for passing through the portable device case; (b) an external terminal for communication and charging, which is located on the inside of the case, below
  • the portable device case includes: (i) the body of the extension device; (ii) a connection portion protruding from a lower end of the extension device and inserted into an opening of the portable device case when the extension device is engaged; And (iii) an extension container unit disposed on an inner surface of the connection unit, the connection unit including a connection terminal to which the corresponding external terminal and the communication and charging terminal of the portable device case are contacted.
  • the expansion device may include at least one type selected from the group consisting of a battery, a charging means, a storage space expansion means, an audio quality improvement means, a loss prevention alarm means, and an additional connection terminal.
  • extension device and the portable device case may be provided at positions corresponding to the respective additional connection parts for connection.
  • the portable device case may be made of titanium or a titanium alloy.
  • the case for the portable device may further include an opening for operating a sensor, an operation switch, or a camera existing on a side surface or a rear surface of the portable device, or 10 to 50% of the side surface or the rear surface of the portable device may be opened, It is possible to smoothly operate the sensor, the operation switch or the camera existing on the side or rear surface of the camera.
  • a portable device can easily attach and detach an accessory, and the accessory is modularized so that the accessory can be used continuously regardless of the type and operating system of the portable device, Thereby enhancing the convenience of the user and preventing waste of resources.
  • FIG. 1 is a perspective view of a portable device case according to an embodiment of the present invention.
  • FIG. 2 is a front view of a portable device case according to an embodiment of the present invention.
  • FIG. 3 is a detailed view illustrating an apparatus for expanding and a method of combining the apparatus according to an embodiment of the present invention.
  • FIG. 4 is a photograph of a portable device case and an extension device according to an embodiment of the present invention.
  • FIG. 5 is a photograph of a case of a portable device having various colors according to an embodiment of the present invention.
  • FIG. 6 illustrates a battery according to an embodiment of the present invention.
  • FIG. 6 (a) shows the exterior and cross-section of the battery, and
  • FIG. 6 (b) shows the exterior and cross-section of the battery.
  • FIG. 7 illustrates a case according to an embodiment of the present invention, in which the extension device, the first case, the second case, and the portable device are shown in order.
  • the present invention relates to a case for a portable device which is coupled to a concave front surface of a portable device and is in close contact with at least one of a rear surface, a side surface, an upper surface and a bottom surface of the portable device, An opening penetrating the device case; (b) an external terminal for communication and charging, which is located on the inside of the case, below the opening, made of a conductive metal and having 1 to 50 plate-shaped electrodes; And (c) an internal terminal for communicating and charging the portable device, the portable terminal being located on the lower surface of the case, the external terminal being electrically connected to the corresponding electrode, and being inserted into the portable device when the case is coupled.
  • an external terminal for communication and charging which is located on the inside of the case, below the opening, made of a conductive metal and having 1 to 50 plate-shaped electrodes
  • an internal terminal for communicating and charging the portable device, the portable terminal being located on the lower surface of the case, the external terminal being electrically connected to the corresponding electrode, and being inserted
  • the case for the portable device is coupled to the concave front surface 10 of the portable device, and can be brought into close contact with at least one of the rear surface, the side surface, the top surface, and the bottom surface of the portable device.
  • the portable device case is generally provided on the rear surface of the portable device, and the portable device is inserted and fixed in the concave portion of the front surface 10 of the portable device case.
  • the case made of a polymer material has elasticity, it can be pressed on a concave portion of the case 10 to provide a portable device.
  • the mobile phone can be manufactured without an upper surface or a side surface of the case, and the mobile device can be inserted by sliding in the upper surface or one side direction. It is also possible to attach and fix additional accessories that can be installed on the upper surface or one side surface after the insertion as described above.
  • the case may be made of a polymer, metal, carbon, or ceramic, but titanium or an alloy thereof may be used. Titanium is a non-toxic light metal used in transplantation of body tissues. It has high affinity for human body, so it has little effect on the human body even when it comes into contact with the human body for a long time. In addition, the strength of pure titanium is 30 ⁇ 75kgt / mm2, and titanium alloy is 60 ⁇ 160kgt / mm2, so that case with high strength can be manufactured. Finally, in the case of titanium, a titanium oxide film is formed naturally on the surface. Since the titanium oxide film is very resistant to corrosion, it is possible to prevent corrosion and oxidation due to water, detergent, sweat, have.
  • the titanium oxide film may be formed by anodizing.
  • Anodizing is an anodizing method, and titanium can have various colors depending on the voltage applied during anodizing. However, since the color due to the change of the voltage is limited, it is also possible to produce a case of a desired color by coloring after anodizing.
  • titanium oxide which is a main component of the titanium oxide film, is used in various fields as a catalyst and acts as a catalyst for decomposing microorganisms and organic substances when in contact with microorganisms. Therefore, It can have a sterilizing effect.
  • the case for the portable device may further include openings 11 and 21 for operating a sensor, an operation switch, or a camera existing on a side surface or a rear surface of the portable device, 10 to 50% are opened (11, 21), so that the operation of the sensor, the operation switch or the camera existing on the side surface or the rear surface of the portable device can be smoothly performed.
  • the case for a portable device is made of a polymer compound
  • operation of some switches and the like can be performed by the elasticity of the polymer compound, but an opening necessary for driving a camera or a sensor is required.
  • the portable device case is made of a metal material, particularly titanium or a titanium alloy
  • an opening for the switch as well as an opening for the camera and the sensor are also required. Therefore, it is preferable that the case is further provided with openings 11, 21 for each camera, sensor and switch.
  • 10 to 50% of the side or rear surface may be opened (11, 21) so that the camera, the sensor and the switch can smoothly operate instead of installing the opening.
  • an opening (100) is provided below the rear surface of the case and through the portable device case.
  • the opening 110 is a portion to which a connection unit 150 of the expansion device to be described below is inserted and coupled.
  • a connection terminal provided on the connection unit 150 passes through the opening, And is connected to the communication and charging external terminal 120 provided inside the case.
  • the portable device case includes: (i) the body of the extension device; (ii) a connection part (150) protruding from the lower end of the extension device and inserted into the opening of the portable device case when engaged; And (iii) an extension container unit which is located on the inner side of the connection unit and includes a connection terminal that contacts each corresponding electrode with the external terminal 120 for communication and charging of the portable device case when the connection unit is coupled .
  • the expansion device may include a battery, a charging means, a storage space expansion means, an audio sound quality improvement means, a loss prevention alarm means, or an additional connection terminal, or two or more of them may be installed in combination.
  • the extension device since the extension device is connected to the external terminal 120 installed in the case, unlike the existing expansion device, when the extension device compatible with the external terminal 120 is used, It is compatible with any kind of system.
  • connection unit 150 is formed on the front surface of the expansion device, and when the connection unit 150 is connected to the inner surface of the connection unit, the external terminal 120 for communication and charging of the portable device case, Since the connecting terminal is in contact with the connecting portion 150, when the connecting portion 150 is inserted into the opening 100 and then the expanding device is slid downward, corresponding electrodes can be naturally connected.
  • the connection terminal may be smoothly inserted by the slide, and a spring electrode may be used for smooth contact with the external terminal 120.
  • the spring electrode is an electrode capable of entering and exiting by the pressure. The spring electrode is contracted according to the movement of the connection part 150 while the extension device is slidably inserted, and after the insertion is completed, So that the contact of each electrode can be made smooth.
  • connection part 150 when the extension device is connected to the case only by the connection part 150, there is a danger that the connection part 150 may be damaged due to an impact. Therefore, the expansion device and the portable device case may have additional connection parts 140 To prevent breakage of the connection portion.
  • the additional connection unit 140 can be used without limitation as long as it can connect the extension device with the case. Preferably, however, the connection unit using the magnet, the locking jaw, the opening and the connecting bar inserted into the opening are used It is possible.
  • the portable device case includes a communication and charging external terminal (120) located on the inside of the case and below the opening and made of conductive metal and having 1 to 50 flat plate electrodes.
  • the external terminal 120 is located at a lower portion of the inside of the case, the opening 100, where the connection terminal of the expansion device and each corresponding electrode are connected to each other.
  • the external terminal 120 is exposed, oxidation may occur on the electrode on the terminal, and the contact performance of the terminal may be deteriorated.
  • the external terminal 120 is used for charging, when the metal contacts the electrode, a failure due to a short circuit may occur. Therefore, it is preferable that the external terminal 120 is provided inside the case and under the opening to prevent damage due to corrosion or short-circuit.
  • the external terminal 120 is made of a conductive metal and may have 1 to 10 flat electrodes.
  • the electrode is a means for performing charging and data communication of the portable device by being connected to the corresponding internal terminal 130 and corresponding electrodes.
  • the electrode may be formed as a plate-shaped electrode to facilitate insertion of the connection portion.
  • the external terminal 120 may include all the electrodes used for connection of the portable device.
  • the case for the portable device may include a sensor, an operation switch, a camera, Or 10 to 80% of the side surface or the rear surface of the portable device is opened so that the operation of the sensor, the operation switch, the camera, or the wireless charging existing on the side or rear surface of the portable device You can do it smoothly.
  • the case for a portable device is made of a polymer compound
  • operation of some switches and the like can be performed by the elasticity of the polymer compound, but an opening necessary for driving a camera or a sensor is required.
  • the portable device case is made of a metal material, particularly titanium or a titanium alloy
  • an opening for the switch as well as an opening for the camera and the sensor are also required.
  • the above-described opening (11.21) is required to enhance the efficiency of wireless charging. Therefore, it is preferable that the case is further provided with openings 11, 21 for operation of each sensor, operation switch, camera, or wireless charging. Further, 10 to 80% of the side or rear surface may be opened (11, 21) so that the operation of the sensor, the operation switch, the camera, or the wireless charging can be smoothly performed instead of providing the opening.
  • the portable device case includes a first case and a second case, the first case being folded on an upper surface and the lower surface, the first case being slidably inserted into one side or both sides of the side, A second case which is folded on both sides and is open at least one of an upper surface and a lower surface and is slidably inserted into an upper surface or a lower surface of the portable device; And fixing means connected to the first case through the second case and fixing the first case and the second case (Fig. 7).
  • one side of the case is connected by a hinge, or one side is fixed by a fixing means such as a screw.
  • a fixing means such as a screw.
  • the case made of a polymer material has elasticity so that it is fixed without special fixing means, and it is difficult to insert a portable device into a case because of the elasticity of the metal. Therefore, in the case of the conventional case, if the hinge or the screw increases the volume or the hinge or the screw is broken, the entire case may not be used.
  • the risk of damage can be minimized by minimizing the moving part by using the first case, which is slidably inserted in the side surface of the portable device, and the second case, which is slidably inserted in the lower surface or the upper surface.
  • the fixing means can be used for fixing the expansion device including at least one selected from the group of a battery, a charging means, a storage space expansion means, an audio sound quality improvement means, a loss prevention alarm means and an additional connection terminal.
  • the fixing means is made of SUS 410 material, and it is preferable that a magnet is installed and attached to a corresponding portion of the extension device.
  • an opening (100) is provided below the rear surface of the case and through the portable device case.
  • the opening 110 is a portion to which a connection unit 150 of the expansion device to be described below is inserted and coupled.
  • a connection terminal provided on the connection unit 150 passes through the opening, And is connected to the communication and charging external terminal 120 provided inside the case.
  • the portable device case includes: (i) the body of the extension device; (ii) a connection part (150) protruding from the lower end of the extension device and inserted into the opening of the portable device case when engaged; And (iii) an extension container unit which is located on the inner side of the connection unit and includes a connection terminal that contacts each corresponding electrode with the external terminal 120 for communication and charging of the portable device case when the connection unit is coupled .
  • the expansion device may include a battery, a charging means, a storage space expansion means, an audio sound quality improvement means, a loss prevention alarm means, or an additional connection terminal, or two or more of them may be installed in combination.
  • the extension device since the extension device is connected to the external terminal 120 installed in the case, unlike the existing expansion device, when the extension device compatible with the external terminal 120 is used, It is compatible with any kind of system.
  • the battery may include a case, a battery cell, a wireless charging circuit, and a wireless discharge circuit.
  • a battery cell In recent years, most mobile devices, especially cell phones, have built in batteries and are built to prevent them from being replaced. Therefore, various external batteries or auxiliary batteries are being used in order to increase the use time of portable devices. However, most external batteries are not only inconvenient to use because they are connected to a portable device with a cable, but they may be limited in use when using other external devices. Therefore, in the present invention, a battery cell and a radio discharge circuit are provided inside the expansion device, so that the battery can be used without being directly connected to the portable device.
  • the battery since the battery may not be directly connected to the portable device, if the portable device is waterproof, the battery can be charged without opening the terminal, thereby enhancing the waterproofness of the portable device. Further, in order to further improve the waterproof property, the connection part 150 and the external terminal 120 may be removed. In this case, the battery can be connected to the portable device only through wireless charging, and can seal all the external terminals, so that the waterproof property can be enhanced (refer to FIG. 6A).
  • a wireless charging circuit is additionally provided in addition to a wireless discharge circuit, and wireless charging is possible.
  • portable devices that do not support wireless charging can also be used for wireless charging.
  • a portable device that does not support wireless charging is required to be electrically connected to the battery, so that it is necessary to use the connection unit 150 and the external terminal 120.
  • the wireless charging circuit may include a wireless charging controller, a wireless charging receiver, and a voltage controller.
  • the wireless discharging circuit may include a wireless discharging controller, a wireless charging transmitter, and a voltage controller.
  • the wireless charging control unit, the wireless discharge control unit, and the voltage adjusting unit may have a plurality of common functions. To reduce the internal volume.
  • the radio discharge circuit may be installed on one side of the portable device side of the battery cell, and the wireless charging circuit may be installed on the other side of the battery cell.
  • the wireless discharge circuit especially the wireless charging source, is located on one side of the portable device of the battery cell that contacts the portable device. It is preferable to provide a wireless charging circuit on the other side of the battery cell so as to facilitate contact (see Fig. 6 (b)).
  • the charging and discharging can be performed through the connection of the wireless charging circuit, the battery cell and the wireless discharging circuit.
  • the wireless charging circuit and the wireless discharging circuit are directly connected and controlled, It is preferable to perform simultaneous charging of the cell and the portable device or to charge the portable device without charging the battery cell.
  • the secondary battery that can be embedded in the battery can be used without limitation, but preferably a lithium ion battery or a lithium polymer battery can be used.
  • connection unit 150 is formed on the front surface of the expansion device, and when the connection unit 150 is connected to the inner surface of the connection unit, the external terminal 120 for communication and charging of the portable device case, Since the connecting terminal is in contact with the connecting portion 150, when the connecting portion 150 is inserted into the opening 100 and then the expanding device is slid downward, corresponding electrodes can be naturally connected.
  • the connection terminal may be smoothly inserted by the slide, and a spring electrode may be used for smooth contact with the external terminal 120.
  • the spring electrode is an electrode capable of entering and exiting by the pressure. The spring electrode is contracted according to the movement of the connection part 150 while the extension device is slidably inserted, and after the insertion is completed, So that the contact of each electrode can be made smooth.
  • connection part 150 when the extension device is connected to the case only by the connection part 150, there is a danger that the connection part 150 may be damaged due to an impact. Therefore, the expansion device and the portable device case may have additional connection parts 140 To prevent breakage of the connection portion.
  • the additional connection unit 140 can be used without limitation as long as it can connect the extension device with the case. Preferably, however, the connection unit using the magnet, the locking jaw, the opening and the connecting bar inserted into the opening are used It is possible.
  • the portable device case includes a communication and charging external terminal (120) located on the inside of the case and below the opening and made of conductive metal and having 1 to 50 flat plate electrodes.
  • the external terminal 120 is located at a lower portion of the inside of the case, the opening 100, where the connection terminal of the expansion device and each corresponding electrode are connected to each other.
  • the external terminal 120 is exposed, oxidation may occur on the electrode on the terminal, and the contact performance of the terminal may be deteriorated.
  • the external terminal 120 is used for charging, when the metal contacts the electrode, a failure due to a short circuit may occur. Therefore, it is preferable that the external terminal 120 is provided inside the case and under the opening to prevent damage due to corrosion or short-circuit.
  • the external terminal 120 is made of a conductive metal and may have 1 to 10 flat electrodes.
  • the electrode is a means for performing charging and data communication of the portable device by being connected to the corresponding internal terminal 130 and corresponding electrodes.
  • the electrode may be formed as a plate-shaped electrode to facilitate insertion of the connection portion.
  • the external terminal 120 is designed to include all the electrodes used for connecting the portable device, so that the external device 120 can be compatible with the expansion device even if the portable device is changed.
  • the external terminal is manufactured to include electrodes such as GND, TX1 +, TX1-, Vbus, CC1, D +, D-, SUB1, RX2-, and RX2 +
  • the extension device can be used in a compatible manner.
  • the case for the portable device is located inside the lower surface of the case, the external terminal 120 is electrically connected to the corresponding electrode, and the portable device communication and charging internal Terminal 130 as shown in FIG.
  • the internal terminal 130 may be formed in a shape corresponding to a terminal provided in each portable device.
  • terminals used in portable devices are USB 2.0 Micro type B, 8 pin lightning, USB 3.0 Micro type B, and USB 3.0 type C, and they are used depending on the type of each portable device.
  • the case for the portable device is manufactured in accordance with the shape of each portable device, it is preferable to use a case having a shape corresponding to each portable device and an internal terminal 130 that can be coupled with a terminal used in each portable device . Since the internal terminal 130 is electrically connected to the corresponding external terminal 120, the portable terminal can be connected to the charging / expanding device of the portable device through the internal terminal 130, Power supply is possible.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un étui de dispositif portable dans lequel une électrode est disposée pour permettre à un accessoire d'être utilisé conjointement avec l'étui, indépendamment du type et du système d'exploitation d'un dispositif portable, et qui permet à l'accessoire d'être facilement attaché à l'étui ou détaché de celui-ci. La présente invention concerne un étui de dispositif portable qui a une surface avant concave à laquelle un dispositif portable est couplé, et qui entre en contact étroit avec au moins l'une parmi la surface arrière, les surfaces latérales, la surface supérieure et la surface inférieure du dispositif portable. L'étui de dispositif portable comprend : (a) une ouverture positionnée sur un côté inférieur de la surface arrière de l'étui et passant à travers l'étui de dispositif portable ; (b) une borne externe pour la communication et la charge, positionnée à l'intérieur de l'étui et sous l'ouverture, constituée d'un métal conducteur, et ayant 1 à 50 électrodes à plaque plate ; et (c) une borne interne pour la communication et la charge de dispositif portable, positionnée sur l'intérieur de la surface inférieure de l'étui, connectée électriquement à la borne externe au niveau d'électrodes correspondantes respectives, et insérée dans le dispositif portable lorsque le dispositif portable est couplé à l'étui.
PCT/KR2018/003530 2017-08-24 2018-03-26 Étui de dispositif portable permettant à un accessoire d'être facilement attaché/détaché de celui-ci Ceased WO2019039689A1 (fr)

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KR1020170107160A KR101967158B1 (ko) 2017-08-24 2017-08-24 액세서리의 탈부착이 용이한 휴대기기용 케이스
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US12004618B2 (en) 2020-11-17 2024-06-11 Targus International Llc Case with extractable/retractable charging port

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KR101386854B1 (ko) * 2013-03-28 2014-04-18 이진우 메모리장치의 수납 기능을 구비한 보호 케이스
KR101441677B1 (ko) * 2014-04-29 2014-09-23 (주)한국전자기술 휴대용 충전 케이스 구조
KR20170058842A (ko) * 2015-11-19 2017-05-29 (주)한국전자기술 휴대용 충전 케이스 모듈
KR200482072Y1 (ko) * 2016-06-08 2016-12-12 다이아소닉 테크놀로지(주) 모바일 기기용 케이스

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US12004618B2 (en) 2020-11-17 2024-06-11 Targus International Llc Case with extractable/retractable charging port

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