KR101765808B1 - A portable terminal for supplying power to an external device - Google Patents

A portable terminal for supplying power to an external device Download PDF

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Publication number
KR101765808B1
KR101765808B1 KR1020150178925A KR20150178925A KR101765808B1 KR 101765808 B1 KR101765808 B1 KR 101765808B1 KR 1020150178925 A KR1020150178925 A KR 1020150178925A KR 20150178925 A KR20150178925 A KR 20150178925A KR 101765808 B1 KR101765808 B1 KR 101765808B1
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KR
South Korea
Prior art keywords
terminal
frame
external device
charging
supplying power
Prior art date
Application number
KR1020150178925A
Other languages
Korean (ko)
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KR20170071053A (en
Inventor
전일수
Original Assignee
금오공과대학교 산학협력단
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 금오공과대학교 산학협력단 filed Critical 금오공과대학교 산학협력단
Priority to KR1020150178925A priority Critical patent/KR101765808B1/en
Publication of KR20170071053A publication Critical patent/KR20170071053A/en
Application granted granted Critical
Publication of KR101765808B1 publication Critical patent/KR101765808B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
    • H02J7/0054—

Abstract

The present invention relates to a portable terminal capable of supplying power to an external device, the portable terminal including a charging terminal formed inside a frame of the terminal and configured to charge the battery through an external power source, A discharge terminal formed to supply power to the outside, and a cover part configured to use only one of the charging terminal and the discharging terminal.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a portable terminal capable of supplying power to an external device,

The present invention relates to a portable terminal capable of supplying power to an external device, and more particularly, to a portable terminal capable of supplying power to an external device capable of discharging electric power charged in a battery by forming a discharge terminal will be.

Generally, a portable terminal is an intelligent terminal that adds a computer support function such as an internet communication and an information search to a mobile phone, which means that an application desired by a user can be installed and used.

In recent years, mobile phones have been attracting attention as an important device for enjoying leisure activities such as web surfing, games, video viewing, document viewing, and writing, as well as telephone and text messages, and about 41.66 million subscribers I am using a terminal.

However, as the amount of usage increases, the power stored in the battery is quickly consumed and discharged, so that the user may not receive important communication or utilize the battery in an urgent situation.

To this end, a product such as a secondary battery that can be charged before the battery is discharged is being marketed. However, since the capacity increases depending on the capacity to be charged, it is inconvenient to carry and it may be forgotten.

Korean Unexamined Utility Model Publication No. 20-2013-0007314 for solving such a problem relates to a charging cable between the portable terminal of the present invention and specifically to a charging terminal of a first portable terminal, And the second terminal portion is connected to the charging terminal of the second portable terminal to connect the charging terminal of the first portable terminal to the charging terminal of the second portable terminal, The present invention relates to a rechargeable cable between a portable type terminal and a portable type terminal.

However, in the above-described conventional art, since the shape of the terminal portion is different according to each terminal standard, various types of cables must be provided for each terminal.

In addition, since the battery is discharged through the charging terminal in the related art as described above, there is a problem that the circuit may be damaged when the battery is charged using the external power source.

Korean public utility model 20-2013-0007314

According to an aspect of the present invention, there is provided a portable terminal including a charging terminal and a discharging terminal separately formed in a portable terminal, and capable of supplying power to an external device capable of outputting power through a discharging terminal, will be.

Another object of the present invention is to provide a portable terminal which can expose the discharge terminal only when necessary, and can supply power to an external device which can be prevented from being charged automatically through the discharge terminal during charging, after being automatically hidden after use.

It is another object of the present invention to provide a portable terminal which is formed in such a form that a discharge terminal can be inserted into an external device, and is able to supply power to an external device which is directly connected to an external device without a cable,

According to an aspect of the present invention, there is provided a portable terminal capable of supplying power to an external device of the present invention includes a charging terminal formed inside a frame of the terminal and configured to charge the battery through an external power source, And a cover unit configured to selectively use either the charging terminal or the discharging terminal.

Also, the cover portion of the portable terminal capable of supplying power to the external device of the present invention is formed such that the charging terminal is exposed. When the charging terminal is moved to the side by external force, the charging terminal is covered and the discharging terminal is exposed. And returns to the exposed position.

In addition, the cover portion of the portable terminal capable of supplying power to the external device of the present invention includes a plate-shaped cover in which terminal grooves of the same shape and size as the charging terminal or the discharging terminal are formed, And an elastic body which is pressed to be positioned in front of the terminal.

In addition, the portable terminal capable of supplying power to the external device of the present invention may further include a protrusion formed on an outer surface of the cover portion so as to protrude to apply an external force to the cover portion.

According to an aspect of the present invention, there is provided a portable terminal capable of supplying power to an external device of the present invention. The portable terminal includes a hinge portion formed inside a frame of the terminal and rotatable to protrude to the outside, And a discharge terminal formed on one side of the hinge unit at a right angle with the charging terminal and capable of supplying electric power charged in the battery to the outside.

The hinge portion of the portable terminal capable of supplying power to the external device of the present invention is formed such that the charging terminal is exposed when the frame is formed therein and the discharge terminal is exposed when the hinge portion is rotated 90 degrees from the inside of the frame and protruded to the outside .

The hinge unit of the portable terminal capable of supplying power to the external device of the present invention includes a rotation block formed to receive the charging terminal and the discharge terminal and protruding from the inside of the frame to the outside, And a hinge shaft for rotating the rotary block so as to protrude to the outside and preventing the rotary block from being detached from the frame after the rotary block is protruded.

The present invention also provides a portable terminal capable of supplying power to an external device of the present invention, comprising: a fixing protrusion protruding from the other surface of a hinge portion of the portable terminal, the fixing protrusion being formed so as to have a width narrower toward an end thereof; a plurality of rotation shafts formed on the inner side of the frame, And a pressure roller coupled to the rotation shaft and pressing the fixing protrusion while moving sideways by the width of the rotation shaft when the fixing protrusion is drawn between the rotating shafts.

As described above, according to the portable terminal capable of supplying power to the external device according to the present invention, the charging terminal and the discharging terminal are separately formed in the portable terminal, and a cable can be connected to the discharging terminal when necessary, It is effective.

In addition, according to the portable terminal capable of supplying power to the external device according to the present invention, the discharge terminal is exposed only when necessary, and after being used, the battery can be automatically shielded from being charged through the discharge terminal during charging.

In addition, according to the portable terminal capable of supplying power to the external device according to the present invention, the discharge terminal can be inserted into the external device, so that the power terminal can be directly connected to the external device without the cable.

1 is a perspective view showing the outline of a portable terminal capable of supplying power to an external device according to the first embodiment;
2 is a perspective view showing an internal configuration of a portable terminal capable of supplying power to an external device according to the first embodiment;
3 is a front view showing a state in which a charging terminal and a discharging terminal of a portable terminal capable of supplying power to an external device according to the first embodiment are selected and exposed.
FIG. 4 is a perspective view showing the outer shape of a portable terminal capable of supplying power to an external device according to the second embodiment; FIG.
5 is a perspective view showing a hinge portion of a portable terminal capable of supplying power to an external device according to the second embodiment in detail.
6 is a perspective view illustrating the configuration of a pressing projection and a pressing roller formed to fix a rotation block of a portable terminal capable of supplying power to an external device according to the second embodiment;

Specific features and advantages of the present invention will be described in detail below with reference to the accompanying drawings. The detailed description of the functions and configurations of the present invention will be omitted if it is determined that the gist of the present invention may be unnecessarily blurred.

The present invention relates to a portable terminal capable of supplying power to an external device, and more particularly, to a portable terminal capable of supplying power to an external device capable of discharging electric power charged in a battery by forming a discharge terminal will be.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the outline of a portable terminal capable of supplying power to an external device according to the first embodiment.

As shown in FIG. 1, a portable terminal capable of supplying power to an external device according to the first embodiment includes a charging terminal 200 formed inside a frame 100 and capable of charging a battery through an external power source, A discharging terminal (not shown) formed inside the frame 100 and configured to supply power charged in the battery to the outside, and a charging terminal 200 and a discharging terminal (not shown) And a cover part (400) formed so as to be able to rotate.

When the charging terminal 200 is exposed to the outside by the external force, the charging terminal 200 is covered and the discharging terminal 300 is exposed. When the external terminal 200 disappears, the charging terminal 200 Is returned to the exposed position.

The frame 100 is formed at the edge of the terminal and is formed of a high strength material to protect a circuit formed inside the terminal from an external impact caused by falling.

The charging terminal 200 is connected to a charging circuit (not shown) formed inside the terminal and is formed such that the terminal is exposed to the outside so that the internal battery (not shown) can be charged through the external power source.

A discharge terminal (not shown) is connected to a discharge circuit (not shown) formed inside the terminal and is configured to output power from an internal battery (not shown) to the outside.

The cover part 400 is formed on the front surface of the charging terminal 200 and the discharge terminal (not shown) in the frame 100 and the charging terminal 200 or the discharging terminal (not shown) So that only one of the charging terminal 200 and the discharge terminal (not shown) can be exposed to the outside.

Generally, a discharge terminal (not shown) is used in an urgent situation, so that it is normally covered by the cover part 400, and the cover part 400 is positioned so that only the charging terminal 200 is exposed to the outside.

At this time, if the cover part 400 is moved to the side using an external force to expose the discharge terminal (not shown) to the outside, the groove exposing the charging terminal 200 exposes the discharge terminal (not shown) So that power can be supplied to the external device through the terminal 300.

When an external force applied to the cover part 400 is removed by forming an elastic body (not shown) on the side surface of the cover part 400, the cover part 400 can be automatically moved to a position where the charging terminal 200 is exposed So that external electric power is supplied to a discharge terminal (not shown) to prevent circuit damage.

2 is a perspective view showing the internal structure of a portable terminal capable of supplying power to an external device according to the first embodiment.

2, the cover part 400 of the portable terminal capable of supplying power to the external device according to the first embodiment has a terminal groove (not shown) having the same shape and size as the charging terminal 200 or the discharging terminal 300, And an elastic body 430 formed on the side surface of the cover 410 and pressing the terminal groove 411 formed on the cover 410 so that the terminal groove 411 is positioned in front of the charging terminal 200 .

The cover 400 may further include a protrusion 420 protruding from the cover 400 so as to apply an external force to the cover 400.

A charging terminal 200 and a discharging terminal 300 are coupled to the inside of the frame 100. A moving plate 120 is formed on a front surface of the two terminals so that a plate- On the outer surface of the frame 100, a through-hole is formed so that the charging terminal 200 and the discharge terminal 300 can be exposed to the outside.

The cover 410 is formed in a rectangular plate shape and has one terminal groove 411 having the same shape as that of the charging terminal 200 or the discharging terminal 300. The moving groove 120 formed in the frame 100, The charging terminal 200 or the discharging terminal 300 can be exposed to the outside through the through hole 110 of the frame 100 according to the position of the cover 410. [

The elastic body 430 is coupled to a side surface of the cover 410 and inserted into a cylindrical fixing hole 130 formed in the frame 100 so that the cover 410 is moved in the direction of the discharge terminal 300 along the movement groove 120 The elastic body 430 is compressed and the cover 410 can be pushed toward the charging terminal 200 by the restoring force so that the charging terminal 200 is always exposed to the outside.

The fixing hole 130 formed in the frame 100 is larger than the width of the moving groove 120 so that the fixing groove is further inserted inwardly of the moving groove 120. When the elastic body 430 is compressed, So that it can be guided so as to move inward along the hole 130.

Protrusions 420 protruding from the cover 410 are formed on both sides of the terminal groove 411 formed in the cover 410 and protrusions 420 are formed in the direction of the discharge terminal 300 to expose the discharge terminals 300. [ The cover 410 can be easily moved.

A discharging circuit (not shown) connected to the discharging terminal 300 is connected to a charging circuit (not shown), and the two circuits are controlled through software, so that the user accidentally charges the discharging terminal 300 Even if an external power source is connected by connecting a cable, the software senses the external power source so that the supplied power source can be charged through a charging circuit (not shown).

A discharge terminal (not shown) and a charging circuit (not shown) inside the frame 100 are formed after forming a power terminal (not shown) in which the charging terminal 200 and the discharging terminal 300 are integrated So that charging and discharging are possible with one terminal.

At this time, the discharge can be selected through the internal software of the terminal after the external device is connected with the cable, thereby supplying power to the external device.

FIG. 3 is a front view showing a state in which a charging terminal and a discharging terminal of a portable terminal capable of supplying power to an external device according to the first embodiment are selected and exposed.

3, the portable terminal capable of supplying power to the external device according to the first embodiment can expose the charging terminal 200 or expose the discharging terminal 300 according to the user's selection .

The cover 410 is positioned so that the charging terminal 200 can be exposed at all times when no external force is applied to the cover 410. In order to expose the discharge terminal 300 as required by the user, It is possible to expose the discharge terminal 300 by pressing the cover 410 in the direction in which the discharge terminal 300 is present.

When the discharge terminal 300 is exposed to the outside through the terminal groove 411 formed in the cover 410, the cable can be inserted to supply power to the external device. In the state where the cable is inserted, the cover 410 The cover 410 is pushed by the restoring force of the elastic body 430 of FIG. 2 to move the cover 410 so that the charging terminal 200 is exposed.

Accordingly, the user can prevent the circuit from being damaged by combining the charger with the discharge terminal 300 by mistake after using the discharge terminal 300.

4 is a perspective view showing the outline of a portable terminal capable of supplying power to an external device according to the second embodiment.

As shown in FIG. 4, the portable terminal capable of supplying power to the external device according to the second embodiment includes a hinge part 500 formed inside the frame 100 and configured to protrude to the outside by rotation, A charging terminal 200 formed on one side of the hinge unit 500 and capable of charging the battery through an external power source and a charging terminal 200 formed on one side of the hinge unit 500, And a discharge terminal 300 formed to be able to supply electric power charged in the battery to the outside.

The hinge unit 500 is formed to expose the charging terminal 200 when the hinge unit 500 is formed inside the frame 100 and the discharge terminal 300 is exposed when the hinge unit 500 rotates 90 degrees from the inside of the frame 100 and protrudes to the outside. .

The frame 100 is formed at the edge of the terminal and is formed of a high strength material to protect a circuit formed inside the terminal from an external impact caused by falling.

The hinge part 500 is formed inside the frame 100 and rotates and protrudes from the inside of the frame 100. The charging terminal 200 and the discharging terminal 300 are connected to the hinge part 500 And is exposed to the outside or blocked by the rotation of the hinge part 500.

The charging terminal 200 is connected to a charging circuit (not shown) formed inside the terminal and is formed on the hinge part 500 to charge an internal battery (not shown) through an external power source.

A discharge terminal (not shown) is connected to a discharge circuit (not shown) formed inside the terminal and is formed on the hinge part 500 so that power can be externally output from an internal battery (not shown).

The charging terminal 200 and the discharging terminal 300 may protrude outward along the hinge part 500 so that the hinge part 500 is connected to the charging and discharging circuit (not shown) So that it can freely move when it rotates.

The charging terminal 200 coupled to the hinge unit 500 is formed so that only the charging terminal 200 is exposed to the outside when the hinge unit 500 is inserted into the frame 100, (200) is coupled to a side surface at a right angle in the coupled surface so that only one terminal is exposed according to the rotation of the hinge part (500).

When the hinge unit 500 is positioned inside the frame 100, the charging terminal 200 is always exposed. When the hinge unit 500 is rotated 90 degrees to expose the discharge terminal 300, the hinge unit 500 500 are protruded to the outside, the charging terminal 200 is covered and the discharge terminal 300 is exposed to supply power to the external device.

A fixing protrusion 530 for fixing the hinge part 500 so as not to protrude from the frame 100 is formed when the hinge part 500 is positioned inside the frame 100. The fixing protrusion 530 will be described in detail with reference to FIG. .

5 is a perspective view showing a hinge portion of a portable terminal capable of supplying power to an external device according to the second embodiment in detail.

5, the hinge part 500 of the portable terminal capable of supplying power to the external device according to the second embodiment is formed to receive the charging terminal 200 and the discharging terminal 300, A rotary block 510 which rotates and protrudes from the inside of the rotary block 510 and a rotary block 510 connected to the frame 100 so that the rotary block 510 can be rotated and protruded to the outside, And a hinge shaft (520) for preventing the hinge shaft from being detached from the rear frame (100).

The charging terminal 200 is formed on one side of the rotating block 510 and the discharging terminal 300 is formed on one side of the rotating block 510 which is perpendicular to the one side of the rotating block 510, 510).

The rotation shaft 541 is coupled to the rotation block 510 and then coupled to the insertion groove 140 of the frame 100 to rotate the rotation block 510 with respect to the rotation axis 541 to the outside of the frame 100 And the rotation axis 541 and the rotation block 510 can freely rotate so that the rotation block 510 can rotate smoothly.

The discharge terminal 300 formed in the rotation block 510 is formed in a standard standard such as USB or macro 5 pin and can be used by inserting a cable which is generally used and the discharge terminal 300 is connected to the charging terminal 200 So that it can be directly connected to an external device to supply power without a cable.

A discharging circuit (not shown) connected to the discharging terminal 300 is connected to a charging circuit (not shown), and the two circuits are controlled through software, so that the user accidentally charges the discharging terminal 300 Even if an external power source is connected by connecting a cable, the software senses the external power source so that the supplied power source can be charged through a charging circuit (not shown).

A discharge terminal (not shown) and a charging circuit (not shown) inside the frame 100 are formed after forming a power terminal (not shown) in which the charging terminal 200 and the discharging terminal 300 are integrated So that charging and discharging are possible with one terminal.

At this time, the discharge can be selected through the internal software of the terminal after the external device is connected with the cable, thereby supplying power to the external device.

6 is a perspective view illustrating the configuration of a pressure projection and a pressure roller formed to fix a rotation block of a portable terminal capable of supplying power to an external device according to the second embodiment.

6, the portable terminal capable of supplying power to the external device according to the second embodiment includes a fixing protrusion 530 protruding from the other surface of the hinge part 500 and narrowed toward the end, A plurality of rotation shafts 541 formed on the inner side of the frame 100 so as to be movable sideways and a plurality of rotation shafts 541 coupled to the rotation shafts 541 and connected to the rotation shafts 541 when the fixing protrusions 530 are inserted between the rotation shafts 541, And a pressing roller 540 that presses and fixes the fixing protrusion 530 while moving sideways by a width.

The fixing protrusion 530 protrudes from the other surface of the rotating block 510 of Figure 5 and the rotating shaft 541 may be inserted into the frame 100 after the pressure roller 540 is mounted The fixing protrusions 530 can be moved to the side by the fixing protrusions 530 when the fixing protrusions 530 are inserted.

The other end of the fixing protrusion 530 is formed in a rectangular shape having a constant width and narrowed toward the one end to have a triangular shape. The portion of one end of the triangular shape coupled with the other end is formed to have a width larger than the other end And the side surface is protruded from the other end.

When the rotary block 510 of FIG. 5 rotates and is inserted into the frame 100, the rotary block 510 passes between the pressure rollers 540 formed inside the frame 100 and is pressed by the pressing roller 540 And the rotary shaft 541 are fixed to the rotary shaft 511 so as not to move by pressing the fixing protrusions 530 while moving on the side surfaces thereof so that the rotary block 510 coupled with the fixing protrusions 530 can also be fixed.

The pressing roller 540 is made of elastic rubber or urethane so that the pressing roller 540 can be brought into close contact with the fixing protrusion 530 and the frictional force is increased so that the fixing protrusions 530 can easily escape between the pressing rollers 540 It should be formed so as not to come out.

As described above, according to the portable terminal capable of supplying power to the external device according to the present invention, the charging terminal and the discharging terminal are separately formed in the portable terminal, and when necessary, the cable can be connected to the discharging terminal, , It is possible to prevent the discharge terminal from being charged through the discharge terminal during charging and to prevent the discharge terminal from being charged when the battery is charged. There is an effect that power output can be connected directly.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken as a limitation of the scope of the present invention. Or modify it. The scope of the invention should, therefore, be construed in light of the claims set forth to cover many of such variations.

100: frame 110: penetrating groove
120: moving groove 130: fixed hole
140: insertion groove 200: charging terminal
300: Discharge terminal 400: Cover part
410: Cover 411: Terminal groove
420: protrusion 430: elastic body
500: hinge part 510: rotating block
520: Hinge shaft 530: Fixing projection
540: pressure roller 541:

Claims (8)

delete delete delete delete 1. A portable terminal capable of supplying power to an external device,
A hinge part formed in the frame of the terminal and configured to be rotated and protrude to the outside;
A charging terminal formed on one side of the hinge unit to charge the battery through an external power source;
And a discharge terminal formed on one side of the hinge unit at a right angle to the one surface of the hinge unit and capable of supplying power charged in the battery to the outside,
The hinge portion
A rotation block formed to accommodate the charging terminal and the discharge terminal and protruding outward from the inside of the frame;
And a hinge shaft connecting the rotating block and the frame so that the rotating block can rotate and protrude to the outside,
A fixing protrusion protruding from the other surface of the hinge portion and having a width becoming narrower toward an end;
A plurality of rotation shafts formed on the inner side of the frame and configured to be movable sideways;
And a pressing roller coupled to the rotating shaft and pressing the fixing protrusion while moving sideways by a width of the rotating shaft when the fixing protrusion is drawn between the rotating shafts,
When the hinge part is formed inside the frame, the charging terminal is exposed. When the hinge part is rotated 90 degrees from the inside of the frame and protruded to the outside, the charging terminal is covered while the discharge terminal is exposed.
The discharge terminal formed on the rotary block is connected to an external device without a cable and protrudes to a USB or macro 5 pin standard so as to supply electric power,
The other end of the fixing protrusion is formed to have a rectangular shape with a constant width and one end has a triangular shape. The portion where one end of the fixing protrusion is coupled with the other end is formed to have a width larger than the other end,
Wherein the pressing roller is formed of rubber or urethane material having elasticity so that it can be closely adhered to the shape of the fixing protrusion and is formed such that the fixing protrusion does not easily escape between the pressing rollers by increasing frictional force doing
A portable terminal capable of supplying power to an external device. delete delete delete
KR1020150178925A 2015-12-15 2015-12-15 A portable terminal for supplying power to an external device KR101765808B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150178925A KR101765808B1 (en) 2015-12-15 2015-12-15 A portable terminal for supplying power to an external device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150178925A KR101765808B1 (en) 2015-12-15 2015-12-15 A portable terminal for supplying power to an external device

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Publication Number Publication Date
KR20170071053A KR20170071053A (en) 2017-06-23
KR101765808B1 true KR101765808B1 (en) 2017-08-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210043249A (en) * 2019-10-11 2021-04-21 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone and theft prevention
KR20210043245A (en) * 2019-10-11 2021-04-21 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190855A (en) 2000-12-20 2002-07-05 Tookado:Kk Terminal cover for mobile phone
JP2003331978A (en) 2002-05-10 2003-11-21 Nec Saitama Ltd Connector for external connection and protective cover structure as well as cell phone equipped with the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002190855A (en) 2000-12-20 2002-07-05 Tookado:Kk Terminal cover for mobile phone
JP2003331978A (en) 2002-05-10 2003-11-21 Nec Saitama Ltd Connector for external connection and protective cover structure as well as cell phone equipped with the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210043249A (en) * 2019-10-11 2021-04-21 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone and theft prevention
KR20210043245A (en) * 2019-10-11 2021-04-21 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone
KR102255326B1 (en) * 2019-10-11 2021-06-01 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone and theft prevention
KR102255316B1 (en) * 2019-10-11 2021-06-01 이태완 Digital Photo Frame for ossuary with charging function normally using your mobile phone

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