KR20170025411A - Advertisement providing system in raido charging table - Google Patents

Advertisement providing system in raido charging table Download PDF

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Publication number
KR20170025411A
KR20170025411A KR1020150121817A KR20150121817A KR20170025411A KR 20170025411 A KR20170025411 A KR 20170025411A KR 1020150121817 A KR1020150121817 A KR 1020150121817A KR 20150121817 A KR20150121817 A KR 20150121817A KR 20170025411 A KR20170025411 A KR 20170025411A
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KR
South Korea
Prior art keywords
charging
charger
information
merchant
charge
Prior art date
Application number
KR1020150121817A
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Korean (ko)
Inventor
조양래
김원현
김시환
Original Assignee
(주)드림미즈
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Application filed by (주)드림미즈 filed Critical (주)드림미즈
Priority to KR1020150121817A priority Critical patent/KR20170025411A/en
Publication of KR20170025411A publication Critical patent/KR20170025411A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/02Marketing; Price estimation or determination; Fundraising
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10Services
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices

Abstract

The present invention relates to a charging table to charge a smartphone or portable terminal. The charging table has an identification code to be individually distinguished. The charging table includes a server able to communicate with a charger for a portable terminal. A database of the server includes information about the charging able, and when affiliated store information is stored in the database, each affiliated store is managed by a serial number. The serial number for the affiliated store includes information about an address of the affiliated store and information about positional coordinates of the affiliated store on a map. Thus, provided is a smart table capable of wireless-charging. As the wireless charging table is able to transmit advertisement data to a smartphone, an advertisement is able to be displayed on the smartphone without an extra display for the smart table and the number of times displaying the advertisement through the smartphone is recorded.

Description

ADVERTISEMENT PROVIDING SYSTEM IN RAIDO CHARGING TABLE < RTI ID = 0.0 >

The present invention relates to an advertisement providing system in a wireless charging table, and more particularly, to a wireless charging table used in a coffee shop, a restaurant, or a public place, a wireless charging unit, a control unit, a memory unit, The present invention relates to an advertisement providing system in a wireless charging table capable of charging a terminal wirelessly and displaying an advertisement capable of displaying an advertisement if necessary.

In the case of mobile phones such as smart phones and tablet PCs, it has established itself as a multimedia device that provides various functions and is becoming a necessity for modern people who are widely used in everyday life such as entertainment, education and business as well as communication functions.

Such a portable terminal (smart phone or tablet PC) is composed of a battery coupled to the main body to supply necessary power for operation of the main body and the main body. Generally, a portable terminal operates in a power saving mode in order to save battery when a user does not operate it. However, a portable terminal such as a smart phone can perform automatic position tracking through GPS, There is an inconvenience that the battery is rapidly consumed even if the battery is not used as a pushing function or the like so that it is necessary to charge the battery from time to time or to carry an extra spare battery.

In order to prevent the above-described battery discharge, the user of the portable terminal charges the battery using the battery charging device using the household power source. In addition, depending on the user, one or two spare batteries charged separately from the portable terminal equipped with the battery are carried, and when the battery installed in the portable terminal is discharged, the discharged battery is replaced with a spare battery .

Also, in view of such a reality, it is necessary to provide a charging table capable of wirelessly charging a portable terminal for convenience of customers in a restaurant, a cafe, or a convenience store.

Korean Patent Laid-Open Publication No. 10-2014-0073390 discloses a portable terminal capable of accommodating at least one or more chargers having an output terminal that can be connected to a display and a portable terminal, A charging mode in which the charger is connected to the adapter and supplied with power, and a charging mode in which the charger is connected to the portable terminal while being separated from the adapter, Wherein the display device is operated in a discharge mode for supplying power to the terminal and displays predetermined contents through the display in the discharge mode.

Korean Patent No. 10-1408873 discloses that the connection portion of the charger includes an upper electrode formed on the upper surface of the body portion and including a positive electrode and a negative electrode and a lower electrode formed on the lower portion of the body portion corresponding to the upper electrode, Wherein the upper electrode and the lower electrode are formed at mutually symmetrical positions so that the upper electrode is inserted into the lower electrode so that mutual attraction between the two adjacent chargers And the charger is connected to the portable terminal by being separated from the adapter so that the power charged through the adapter can be supplied to the portable terminal. Quot; portable terminal charging device "

However, a wireless recharging table has not yet been proposed to charge the smartphone directly on the wireless recharging table and allow advertisements to be displayed on the smart phone, thus allowing advertisements to be displayed on the smartphone, Development of a charging table that does not require a display is urgently required.

Prior Art 1: Korean Patent Publication: 10-2014-0073390 (June 16, 2014) Prior Art 2: Korea registered patent: 10-1408873 (June 11, 2014)

However, since the advertisement data is transmitted to the smart phone through the wireless recharging table, the smart table can display the advertisement by the smart phone without the separate display, and the advertisement can be displayed on the smart phone The goal is to be able to record the number of times the advertisement is displayed

The above object is also achieved by a charging table for charging a smartphone or a portable terminal, wherein the charging table has an identification code for distinguishing each of the charging tables, and the charging table further comprises a server capable of communicating with a charger for a portable terminal, Wherein the information on the charge table exists in the database of the server and when the advertisement is displayed on the display of the charge table, the time and the advertisement information for displaying the advertisement are stored in the database of the server When the merchant information is stored in the database of the server, each merchant is managed by a serial number. In the serial number of the merchant, information on the merchant address and information on the coordinates on the map where the merchant is located Stored,

Information on the charger provided in each merchant is stored and is a serial number of the charger. The serial number stores the area (group) where the merchant is located, the area (group) number and the serial number of the charger in the merchant store do,

Also, there is a use record list for each merchant, and the charger 100 of the serial number " 001 - 0001 - 01 " is "000-000-00000; The charger for the portable terminal can charge the portable terminal by wire charging and can also charge the portable terminal by wireless.

In addition, when an external AC power source (220 V) comes in, it converts AC into DC (or AC power of course can be used as it is) or converter that converts to a desired voltage and a function that converts one input into several outputs The converter distributor 285 is connected to the plurality of connection terminals 280-n to charge the plurality of portable chargers 100 and the converter distributor 285 having the same function. And the distributor 285 can be connected to a plurality of wireless charging units 281-n to wirelessly charge a plurality of the portable charging devices 100 at the same time.

The fixed type charger 290 may include a plurality of charging grooves 291 to charge a plurality of portable terminal chargers 100 and may include an LED lamp 140 on the opposite side of the connection terminals, Can be easily confirmed.

According to the present invention, a smart table capable of wireless charging can be provided. However, since advertising data is transmitted to a smart phone in a wireless charging table, an advertisement can be displayed by a smart phone without a separate display on the smart table, The number of times the advertisement is displayed can be recorded.

1 is a view of an embodiment showing a charging table of the present invention.
FIG. 2 and FIG. 3 are views showing embodiments of a connection method between a server and a charging table.
Figures 4 to 6 are views of embodiments showing block diagrams used in the present invention.
7 is a view of an embodiment showing an NFC antenna coil and a wireless charging antenna coil.
Figures 8 and 9 are views of another embodiment for enabling automatic wireless charging.
10 is a view of another embodiment of the charging table 20 of the present invention.
11 is a view showing an embodiment showing a wireless charging process of the charging table.
8 and 9 are views of another embodiment showing a wired or wireless charging method.
Figures 10 and 11 are views of embodiments illustrating a block diagram of a stationary charger.
12 is a view of an embodiment showing a method of charging a fixed charger with a wired charger for a portable terminal.
13 is a charger management system for mounting on a charging table,
14 and 15 are diagrams illustrating embodiments of a method of storing data in a server of the present invention.

Hereinafter, a charging table capable of displaying an advertisement according to an embodiment of the present invention will be described in detail.

The detailed description of common techniques necessary for explaining the present invention can be omitted.

The present invention provides a charging table capable of displaying an advertisement that can be provided with a charging table capable of being charged wirelessly in a wireless charging period, and also capable of displaying advertisements by centrally controlling various advertisement contents.

1 is a view of an embodiment showing a charging table of the present invention.

1, when the wireless charging pad 10 is mounted on the charging table 20 and the smartphone (or the portable terminal) 30 is placed on the wireless charging pad 10 in the charging table, Is charged. At this time, the wireless charging pad 10 is a film or plate having an antenna coil for transmitting power wirelessly, and a plastic film or a plastic plate is wrapped with an antenna coil, and means a wireless charging pad.

In another aspect of the present invention, an advertisement is displayed on the display of the smartphone 30.

FIG. 2 and FIG. 3 are views showing embodiments of a connection method between a server and a charging table.

2 is a diagram of an embodiment with a local server. The server 150 is connected to the local server 173 via wired / wireless communication or wired / wireless Internet and the local server 173 is connected to the charging table 20 through short- do. At this time, wired / wireless communication, wired / wireless Internet, and short distance communication are generally applied to the present invention.

The central server 150 is a server that controls all the local servers 173 and communicates with the local servers through communication. The local server 173 is provided in each office (coffee shop, (20-1), (20-2), (20-3) - - - (20-n) installed therein.

FIG. 3 is a diagram of an embodiment in which a local server is not provided. The central server 150 is connected to all the charging tables 20-1, 20-2, 20-3, ..., 20- In which information is directly exchanged through the Internet.

Figures 4 to 6 are views of embodiments showing block diagrams used in the present invention.

4 is a diagram of an embodiment showing a block diagram of a filling system provided in the charging table 20. In Fig. Although the charging system is not shown in the drawings, the present invention refers to a system that supplies power to a charging pad, provides advertisement data to a smart phone, and transmits / receives information to / from a server or a local server. Therefore, the charging system is mounted in the charging table 20 in principle.

A multimedia IC 65 functioning as a central control unit is provided in the charging table 20. [ The charging table 20 is provided with an adapter (not shown in the present invention) for converting AC power into DC power and eventually producing an output of 12V 6A, The power supply can be supplied through this. The power supplied to the battery through the adapter is supplied to the battery via the charging IC 68 that adjusts the power supply.

Power is supplied to the portable terminal (smartphone) 30 via the USB 71 via the DC DC Set UP 70 for adjusting the output voltage.

In addition, a memory 68 for storing an operating program algorithm or information of the charging table 20, a button 64 for controlling the portable charger (in the present invention, an on / off button or a charging speed is adjusted A button is provided,

5 is a diagram of an embodiment that simply illustrates a block diagram of a server. The server 150 in the communication system constitutes a system for operating various information providing services through the wired and wireless Internet. An input unit 152 for administrating or managing information of an administrator or an operator of the server 150, an output unit 153 for outputting or displaying information, a database unit 151 for storing various information and information on service operation, And a control unit 155 for controlling and controlling and outputting information. Although it is not shown in the drawing, it is needless to say that an interface unit capable of transmitting and receiving data to and from an accessory via the Internet or a communication network is further comprised. On the other hand, information means all information files such as images, moving pictures, and texts.

6 is a block diagram showing in detail the function of the server. The server 150 includes a control unit 155. The control unit 155 is connected to a data retrieval unit 155a for retrieving data, a data processing unit 155b and an access device (local server or portable charger) A terminal of a restaurant or a convenience store terminal that operates a portable charger).

The database 151 further includes an operation database 151a in which information related to the operation of the server is stored, an information database 151b in which information on member information point management and the like is stored, And a database 151c in which advertisement information, membership information, portable charger individual information, and the like of the portable charger are stored.

Meanwhile, in the control unit 155 of the server 150, the site operation unit 155c determines information about the connected device, whether to join the membership, information about the use of the advertisement contents, and the like. In the data searching unit 155a, The data processing unit 155b transmits the retrieved data to an access device (a local server or a portable charger) through an interface (a communication module via a wired / wireless communication network).

5 and 6 illustrate an example of a block diagram. The server of the present invention provides advertisement information displayed on a display of a local server or a smart phone connected via a wired / wireless Internet or a communication network, Data, and sales office data.

7 is a view of an embodiment showing an NFC antenna coil and a wireless charging antenna coil.

When the smart phone 30 or the portable terminal is placed on the charging table 20 of the present invention in a close contact state, it is possible to wirelessly charge the portable terminal, but short-range communication may also be possible. In this case, It is possible to further include an NFC 61b coil around the radio coil 61 connected to the radio output part 20 of the base station 20.

The charging table 20 transmits advertisement data to the smartphone 30 through the NFC 61b coil.

The coil may be a coil formed by printing an antenna loop coil on a PCB substrate (or a resin substrate) instead of a spiral coil by reducing the inductance value of the coil.

By forming a coil on the substrate, it is advantageous in mass production and can reduce the cost.

On the other hand, the number of turns is a number referred to as a standard to be applied to a mobile phone device. In general, a mobile phone device is a number generally calculated when the area is within a maximum of 100 cm square.

Although the substrate is not shown in the drawings, it is a matter of course that a multi-coil is provided on a flexible resin substrate or a general substrate (for example, a plastic substrate, a plastic substrate, or a metal substrate).

8 and 9 are views of another embodiment showing a wired or wireless charging method.

As shown in FIG. 8, at least two portable chargers 100 may be stacked and charged. That is, assuming that five portable chargers 100 are stacked, if the portable charger at the bottom is called a fifth portable charger and the transmitter of the fifth portable charger 100-5 outputs wireless charging energy, The receiving unit of the charger 100-4 can receive the wireless charging energy.

Similarly, when the fourth portable charger 100-4 transmits the wireless charging energy, the third portable charger 100-3 receives the wireless charging energy. In this way, the receiver of the first portable charger 100-1 located at the top also receives wireless charging energy.

Such a plurality of wireless charging methods can be performed by two methods.

In the first method, the five portable chargers are placed on top of the main charger (charging device for charging the portable charger of the present invention), so that all of the five wireless chargers can be charged.

In the second method, the power is directly supplied to the fifth portable charger 100-5, which is the portable charger existing at the bottom, so that all of the five wireless chargers can be charged.

Also, the portable charger 100 of the present invention is provided with a protrusion 663 at its upper end, and the protrusion 663 is provided with a power terminal 663a. Although not shown in the drawing for the sake of convenience in the present invention, a groove is provided at a position where the protrusion can be coupled to the lower end of the portable charger 100, and a power terminal capable of connecting the power terminal to the power terminal is also provided do.

Therefore, since the power terminal of the protrusion 663 of the fifth portable charger 100-5 is connected to the power terminal of the groove of the fourth portable charger, the wired charging from the fifth portable charger to the fourth portable charger 100-4 . Similarly, wired charging from the second portable charger to the first portable charger 100-1 is performed.

9 is a view of an embodiment equipped with magnets. In order to prevent the overlapping portable charger 100 from being disturbed when a plurality of portable chargers 100 are positioned to overlap with each other, a magnet 665 is provided so that the overlapped portable charger is firmly fixed.

9A is a view showing an embodiment showing the position of the magnet 665 in a plane, and FIG. 9B is a view showing a position on the side of the magnet 665. FIG. It can be seen that the magnet 65 is provided at the corner portion of the wireless charger 100 out of the position of the wireless coil 62 (662) as seen from the position of the plane.

In addition, magnets are provided at the upper and lower portions of the wireless charger 100 to allow the magnets to interact with the wireless charger 100 existing up and down.

Figures 10 and 11 are views of embodiments illustrating a block diagram of a stationary charger.

10 is a block diagram showing a method for charging a plurality of portable chargers 100 by wire. When an external AC power source (220 V) comes in, it converts the alternating current into direct current (or alternatively, AC power can be used as it is). A converter that converts the input voltage into a desired voltage and a converter divider And the distributor 265 is connected to the plurality of connection terminals 280-n so that the portable charger 100 can be charged at the same time.

And FIG. 11 is a block diagram illustrating a method of wirelessly charging a plurality of portable chargers 100. FIG. 11 also includes a converter distributor 285 having the same function as that of FIG. 10, and the distributor 285 is connected to a plurality of wireless charging units 281-n to simultaneously charge a plurality of portable chargers 100 It becomes possible.

10 and 11 are shown separately for convenience in the present invention, the present invention provides a fixed charger including the functions of FIGS. 10 and 11 in practice.

12 is a view of an embodiment showing a method of charging a fixed charger with a wired charger for a portable terminal.

The charger 100 for a portable terminal according to the present invention has a connection terminal (not shown in the present invention for the sake of simplicity) on the front side thereof and receives power from the fixed charger 290 through the connection terminal. Accordingly, the charger for portable terminal of the present invention is installed in the charging groove 291 of the stationary charger 290 and is connected to the connection terminal of the stationary charger 290 by connecting the connection terminal of the charger 100 for the portable terminal .

In addition, the fixed charger 290 of the present invention includes a plurality of charging grooves 291 to charge a plurality of portable terminal chargers 100 simultaneously. In addition, the LED lamp 140 is provided on the opposite side of the connection terminal so that the state of charge can be easily confirmed.

The portable charger of the present invention can be used only inside a business, but can be rented for use outside a business (for example, a convenience store). Therefore, the embodiment of FIG. 5 has described a portable charger capable of renting.

13 is a charger management system for mounting on a charging table,

And a portable charger is provided to each coffee shop (shop). In other words, the head office (company head office) and each supplier make a contract, and according to the agreement, the supplier will send the charger directly to each center. Therefore, the order center delivers the order to each supplier at the center where the order book is assembled by each shop. In addition, the goods that are classified and sorted by each center itself are shipped directly from the center itself to the store (coffee shop or shop) as a logistics delivery vehicle.

On the other hand, another embodiment for delivering the portable charger is to transmit one set of ANNIS SPOT (cell 10ea, cradle 1ea, adapter 1ea, and gender 20ea) to each of the entire stores directly from the head office under server management.

In the center, the quantity according to the additional inventory for each store can be input (5ea per store).

Each center can be staffed by a person who owns a terminal that can be managed by the server.

The barcode system is introduced in each center (the barcode system is one embodiment, and the code system for managing the product can be included in the embodiment of the present invention).

The other stores returned to the store are transported to the center through the logistics vehicle (once or twice a day). Employees placed in the center will use the barcode to identify the sorting and LOSS parts, and will be confirmed to secure the number of ANY spots per shop belonging to the center and to be further shipped through the logistics vehicle.

At this time, the Ani-spots cell returned to other centers will be sent by each center-affiliated staff member at each center. Therefore, it is easy to determine the quantity of each center store through the barcode system. AnySpot Cell Immediately after the input barcode is taken, it is possible to know the quantity of each center and the number of stores that have been received on the internet screen connected to the barcode system. By cross-checking with this system, the customer can check the cell that has not been returned after renting, and the residual quantity remaining in the distribution center can be grasped through the cell number of each shop entered in the bar code.

 14 and 15 are diagrams illustrating embodiments of a method of storing data in a server of the present invention.

That is, this figure shows an embodiment showing how merchant information is stored in a database of a server. As shown in the figure, each merchant (coffee shop or shop) is managed by a serial number, and the serial number of the merchant stores information on the merchant address (city (or city) 000) Information about the position coordinates is stored.

Then, information on the charger provided in each merchant is stored. The information on the charger is a serial number (e.g., " 001 - 0001 - 01 ") of the charger 100. The serial number includes an area (group) where the merchant is located, The serial number of the charger is stored.

For example, "001 - 0001 - 02" In this example, "001" is the area code where the merchant is located, "0001" is the merchant number in the area, and "02" is the serial number of the charger in the merchant.

In addition, information on chargers that are present for each merchant is also stored. That is, if the charger number such as "001 - 0001 - 01" is stored in the information of the merchant, "001 - 0001 - 01" charger 100 exists in the current merchant.

On the other hand, there is a usage record list for each merchant, and the charger 100 of the serial number " 001 - 0001 - 01 " is "000-000-00000; It is a record of being used by customers with mobile numbers.

Also, the serial number of the merchant who owns the charger with the serial number "001 - 0001 - 01" is "001 - 0001". The charger stores the record currently used by the customer number " 000-000-00000 " at " 00:00 00:00 ". Or a continuous rental record, a telephone number of a rented customer, and information on an affiliated store storing the charger after returning.

The reason why the above information can be stored in the server is that the merchant system or the terminal owned by the employee communicates with the server, and the server can store the movement information of the terminal in the database.

10: Wireless Charging Pad, 20 Charging Tables
30: Smartphone 61: Display
62: wireless coil 150: server
173: Local server 63: Input device

Claims (8)

In a charge table for charging a smartphone or a portable terminal, the charge table has an identification code for distinguishing each of the charge tables,
Wherein the charging table further comprises a server capable of communicating with a charger for a portable terminal, wherein information on a charge table exists in a database of the server,
Wherein when the advertisement is displayed on the display of the charging table, the advertisement display time and the advertisement information are stored in the database of the server,
When the merchant information is stored in the database of the server, each merchant is managed by a serial number, and the information on the merchant address and information on the coordinates on the map where the merchant is located are stored in the serial number of the merchant Of the wireless charging table.
The charging device according to claim 1, wherein information on the charger provided at each merchant is stored and is a serial number of the charger, and the serial number includes a region (group) where the merchant is located, And the serial number is stored in the wireless charging table. . 2. The method according to claim 1, wherein there is a usage record list for each merchant, and the use list includes " 000-000-001 "00000; Wherein the wireless charging table is a record of usage by a customer having a mobile number. The system of claim 1, wherein the charger for the portable terminal is capable of charging the portable terminal with wired charging and charging the portable terminal wirelessly. The method according to claim 1, wherein, when an external AC power source (220 V) is supplied, the alternating current is converted into a direct current (or alternatively, the AC power may be used as it is) And the distributor 265 is connected to the plurality of connection terminals 280-n to charge the plurality of portable chargers 100 at the same time. Ad serving system in a table. The distributor (285) is connected to a plurality of wireless charging units (281-n) to charge a plurality of portable chargers (100) wirelessly Wherein the wireless charging table includes: The system according to claim 1, wherein the fixed charger (290) is provided with a plurality of charging grooves (291) to charge a plurality of chargers (100) for a portable terminal simultaneously. The system according to claim 1, wherein the LED lamp (140) is provided on the opposite side of the connection terminal, so that the state of charge can be easily confirmed.
KR1020150121817A 2015-08-28 2015-08-28 Advertisement providing system in raido charging table KR20170025411A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020122350A1 (en) * 2018-12-12 2020-06-18 삼성전자 주식회사 Wireless charging device and battery charging method therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140073390A (en) 2012-12-06 2014-06-16 (주)유니크맥스 Charging apparatus for mobile device capable of displaying contents

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140073390A (en) 2012-12-06 2014-06-16 (주)유니크맥스 Charging apparatus for mobile device capable of displaying contents
KR101408873B1 (en) 2012-12-06 2014-06-24 정덕현 Charging apparatus for mobile device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020122350A1 (en) * 2018-12-12 2020-06-18 삼성전자 주식회사 Wireless charging device and battery charging method therefor

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