KR101703437B1 - Method and system for wireless charging pad use as and calling customer - Google Patents

Abstract

The present invention relates to a wireless charging pad system and method for a customer call that enables a customer to make a call while a customer is waiting in a public place, and to charge the smart phone or electronic device used by the customer wirelessly.
The wireless charging pad system for a customer call according to the present invention is characterized in that when receiving the customer calling signal from a customer calling apparatus that transmits a customer calling signal sequentially according to the user's input, The customer terminal is placed on the pad and the customer terminal is connected to the customer by a method such as an inductive coupling method, a capacitive coupling method or an NFC (Near Field Communication) method, A charging pad device for charging the battery of the terminal; And a charging device for detecting the charged amount of the battery of the customer terminal through the charging pad device and displaying the data in the form of data and setting the charging time of the battery or controlling charging ON or OFF of the battery in real time And a radio control unit for controlling the radio control unit.

Description

TECHNICAL FIELD [0001] The present invention relates to a wireless charging pad system,

The present invention relates to a wireless charging pad system and method for a customer call, and more particularly, to a wireless charging pad system and method for charging a customer, And more particularly, to a wireless charging pad system and method for customer calling.

Generally, when a user uses a public place such as a bank, a public institution, or a coffee shop, a standby number is provided to each user or a calling device is provided so that the user can view the corresponding job sequentially.

While waiting in public places, most people use phone calls, wireless internet, and social networking services (SNS) on their smartphones.

If the battery is running out of charge while you are using the smartphone, you can search for a place where charging can be done after waiting for work, or if you are more interested in viewing the work through the smartphone, It is troublesome to find a convenience store or an agency that can be charged.

Korean Patent Publication No. 10-1993-0018882 (published on September 22, 1993)

It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a wireless communication device capable of wirelessly charging a smart phone or an electronic device used by a customer, And to provide a charging pad system and method.

According to another aspect of the present invention, there is provided a wireless charging and padding system for a customer call, the wireless charging system comprising: a customer paging system for receiving a customer paging signal from a customer paging device, Or a capacitive coupling method or an NFC (NFC) method if the customer terminal is placed on a pad, and then, if the customer terminal is placed on the pad, A charging pad device for charging the battery of the customer terminal by a field communication method; And a charging device for detecting the charged amount of the battery of the customer terminal through the charging pad device and displaying the data in the form of data and setting the charging time of the battery or controlling charging ON or OFF of the battery in real time And a radio control unit for controlling the radio control unit.

In addition, when the charging pad device is charged in the battery of the customer terminal in a magnetic field coupling manner, the charging pad device has a transmitting coil, the customer terminal has a receiving coil, A magnetic field is generated in the transmission coil by the current supplied to the customer terminal, and the generated magnetic field is excited to the reception coil of the customer terminal to generate induction electromotive force in the reception coil, Lt; / RTI >

In addition, when the charging pad device is charged by the electric field of the battery of the customer terminal, the charging pad device includes a transmission circuit, a first transformer, and a transmission electrode, and the customer terminal includes a receiving electrode and a second transformer And a receiving circuit, wherein the first transformer and the second transformer constitute a matching transformer, the transmitting electrode and the receiving electrode form a link capacitor in a pair, and the charging pad device transmits a DC voltage Circuit transforms the AC voltage to an AC voltage through the first transformer, converts the AC voltage to an impedance conversion through the first transformer, and transfers the transformed AC voltage to the link capacitor through the transmission electrode. Receives the AC voltage through the second transformer, transforms it into an impedance conversion through the second transformer, And can be converted into a DC voltage through a new circuit to charge the battery.

In addition, the charging pad device may include an antenna unit for an RF (Radio Frequency) interface with the customer terminal when the battery of the customer terminal is charged by the NFC method; A port unit having a tagging port for recognizing tagging of the customer terminal, a charging port for recognizing charging of the battery of the customer terminal, and a data port for transmitting and receiving data with the customer terminal; A charging unit for generating a charging signal for charging power to the customer terminal; And a control unit for transmitting / receiving a recognition signal or data of the port unit to / from the radio control unit or controlling the charging signal to be transmitted to the customer terminal.

When the signal waveform is toggled-up and toggled-down in the tagging port and the user's terminal is recognized as being on the pad when the signal waveform is toggled-down again after a predetermined time elapses, When the signal waveform toggled up in the charge port is toggled-down and again toggled-up, it can be recognized as a charging operation of the customer terminal.

According to another aspect of the present invention, there is provided a wireless charging method for a customer call, comprising the steps of: (a) transmitting a customer calling signal according to a waiting order sequentially according to a user's input; (b) receiving the customer call signal from the customer calling device in a charging pad device; (c) illuminating a call light or outputting a ringing tone or vibration to notify a call to a customer in the charging pad device; (d) recognizing that the charging pad device has placed the customer terminal on the pad; And charging the battery of the customer terminal using an inductive coupling method, a capacitive coupling method, or an NFC (Near Field Communication) method in the charging pad device.

In the step (e), the wireless control device may detect the charged amount of the battery of the customer terminal through the charging pad device and display it as data, set the charging time of the battery, Or off (OFF) in real time.

In the step (e), when the charging pad device charges the battery of the customer terminal by a magnetic field coupling method, a magnetic field is applied to the transmission coil by the current supplied to the transmission coil in the charging pad device, And the generated magnetic field is excited to the receiving coil of the customer terminal to generate an induced electromotive force in the receiving coil and a power by the induced electromotive force can be charged in the battery of the customer terminal.

In addition, in the step (e), when the charging pad device charges the battery of the customer terminal by electric field coupling, the first transformer of the charging pad device and the second transformer of the customer terminal form a matching transformer A pair of a transmission electrode of the charging pad device and a receiving electrode of the customer terminal forms a link capacitor, the charging pad device converts a DC voltage into an AC voltage through a transmission circuit, Wherein the AC voltage is received from the link capacitor through the receiving electrode and the AC voltage is applied through the second transformer to the impedance transformer through the second transformer, And converts the transformed AC voltage into a DC voltage through the receiving circuit to charge the battery.

In the step (e), when the charging pad device charges the battery of the customer terminal by the NFC method, the charging pad device may include an antenna unit for an RF (Radio Frequency) interface with the customer terminal; A port unit having a tagging port for recognizing tagging of the customer terminal, a charging port for recognizing charging of the battery of the customer terminal, and a data port for transmitting and receiving data with the customer terminal; A charging unit for generating a charging signal for charging power to the customer terminal; And a control unit for transmitting / receiving a recognition signal or data of the port unit to / from the radio control unit or controlling the charging signal to be transmitted to the customer terminal, wherein a signal waveform is toggled-up in the tagging port When the user terminal is put on the pad, the signal waveform that is toggled-up in the charge port is toggled-down, and the toggle-down signal waveform is toggled- The charging operation of the customer terminal can be recognized.

According to the present invention, it is possible to charge a portable smart phone or an electronic device while waiting for a call in a public place.

Therefore, even if the battery charge of the smartphone or the electronic device carried while waiting for a call in a public place is exhausted, the user does not have to give up waiting tasks and has to search for a convenience store or an agency that can be charged Can be solved.

FIG. 1 is a block diagram schematically illustrating a configuration example of a wireless charging system for a customer call according to an embodiment of the present invention.
2 is a schematic view showing the internal configuration of a charge pad device according to an embodiment of the present invention.
3 is a view for explaining an example in which a charging pad device according to an embodiment of the present invention is charged to a customer terminal by a magnetic field coupling method.
4 is a view illustrating an example in which a charging pad device according to an embodiment of the present invention is charged to a customer terminal by an electric field coupling method.
5 is a diagram schematically showing the configuration of a charging pad device for charging a customer terminal according to an embodiment of the present invention by NFC method.
FIG. 6 is a flowchart illustrating an operation of a wireless charging method for a customer call according to an embodiment of the present invention. Referring to FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

If any part is referred to as being "on" another part, it may be directly on the other part or may be accompanied by another part therebetween. In contrast, when a section is referred to as being "directly above" another section, no other section is involved.

The terms first, second and third, etc. are used to describe various portions, components, regions, layers and / or sections, but are not limited thereto. These terms are only used to distinguish any moiety, element, region, layer or section from another moiety, moiety, region, layer or section. Thus, a first portion, component, region, layer or section described below may be referred to as a second portion, component, region, layer or section without departing from the scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms as used herein include plural forms as long as the phrases do not expressly express the opposite meaning thereto. Means that a particular feature, region, integer, step, operation, element and / or component is specified and that the presence or absence of other features, regions, integers, steps, operations, elements, and / It does not exclude addition.

Terms indicating relative space such as "below "," above ", and the like may be used to more easily describe the relationship to other portions of a portion shown in the figures. These terms are intended to include other meanings or acts of the apparatus in use, as well as intended meanings in the drawings. For example, when inverting a device in the figures, certain parts that are described as being "below" other parts are described as being "above " other parts. Thus, an exemplary term "below" includes both up and down directions. The device can be rotated by 90 degrees or rotated at different angles, and terms indicating relative space are interpreted accordingly.

Unless otherwise defined, all terms including technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Commonly used predefined terms are further interpreted as having a meaning consistent with the relevant technical literature and the present disclosure, and are not to be construed as ideal or very formal meanings unless defined otherwise.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

1 is a block diagram schematically illustrating an example of a configuration of a wireless charging pad system for a customer call according to an embodiment of the present invention.

Referring to FIG. 1, a wireless charging pad system 100 according to the present invention includes a customer calling apparatus 110, a charging pad apparatus 120, a wireless control apparatus 130, and a customer terminal 140 do.

The customer calling apparatus 110 sequentially transmits a customer calling signal according to the waiting order according to the input of the user. For example, if the location where the customer calling device 110 is located is a bank, then the customer calling device 110 may click the button to call the next customer and wirelessly send a customer calling signal corresponding to the next customer's number .

When the charging pad apparatus 120 receives a customer calling signal from the customer calling apparatus 110, the charging pad apparatus 120 lights up a call light or outputs a ringing tone or vibration to inform the customer of the call, The battery of the customer terminal 140 is charged by an inductive coupling method, a capacitive coupling method or an NFC (Near Field Communication) method.

The charging pad apparatus 120 has a size that can be carried by the customer for a while. The charging pad apparatus 120 is provided with a pad on the outside thereof for mounting the customer terminal 140, and has a call or the like implemented by an LED. The charging pad apparatus 120 has a built-in speaker for outputting a ringing tone inside, and a motor-related circuit for outputting vibration. The internal structure thereof will be described in more detail in FIG.

The wireless control device 130 detects the charged amount of the battery of the customer terminal 140 through the charging pad device 120 and displays the detected charged amount of the battery in the form of data and sets the charging time of the battery, (OFF) can be controlled in real time.

The customer terminal 140 may be a smart phone, smart glasses, smart watch, smartware, or the like, which is portable and capable of communication by the customer.

Here, the smart terminal may also be referred to as a subscriber unit, a subscriber station, a mobile station, a mobile, a remote station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, a user device or a user equipment (UE). The smart terminal may be a cellular phone, a wireless telephone, a thin line initiation protocol (SIP) telephone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless connection capability, It may be another processing device. However, limited to these terms, smart terminals should not be restricted. The smart terminal should be understood as any device that includes a communication module for wireless local area communication with the wireless pad device 110.

2 is a schematic view showing the internal configuration of a charge pad device according to an embodiment of the present invention.

2, the charging pad apparatus 120 according to the present invention includes a communication unit 210, a power source unit 220, a charging unit 230, a calling light output unit 240, a ring tone output unit 250, A control unit 270, and a display unit 280. [0033]

The communication unit 210 provides a communication function for communicating with the customer calling apparatus 110 or the radio network controller 130.

The power supply unit 220 supplies the power required for the operation of the apparatus or the charging power required for charging the customer terminal 140. The power supply unit 220 may include a power plug, and may be plugged into a power outlet and stored in a charged form by receiving an AC 110V or 220V power supply.

The charging unit 230 includes a circuit for charging the customer terminal 140 wirelessly with power, and charges the battery of the customer terminal 140 with a magnetic field coupling method, an electric field coupling method, or an NFC method. In addition, the charging unit 230 includes a pad on the outside, and when the customer terminal 140 is placed on the pad, the charging unit 230 recognizes the customer terminal 140 and performs the charging operation.

When receiving the customer call signal from the customer calling apparatus 110, the output unit 240 lights the LED to inform the customer that there is a customer call.

When the calling tone output unit 250 receives the customer calling signal from the customer calling apparatus 110, the calling tone output unit 250 outputs a ringing tone through the speaker to the audible sound that the customer can hear.

The vibration output unit 260 includes a motor to operate the motor to output vibration when receiving a customer call signal from the customer calling apparatus 110, thereby notifying the customer that there is a call.

The control unit 270 controls the caller to inform the customer that there is a call through the caller etc. output unit 240, the ringer output unit 250 and the vibration output unit 260 when receiving the customer call signal from the customer caller 110 And controls the battery of the customer terminal 140 to be charged when the customer terminal 140 is placed on the pad.

The display unit 280 displays a call status for calling a customer or displays a charging status of the customer terminal 140. [

3 is a view for explaining an example in which a charging pad device according to an embodiment of the present invention is charged to a customer terminal by a magnetic field coupling method.

Referring to FIG. 3, when the charging pad device 120 according to the present invention charges the battery of the customer terminal by magnetic field coupling, the charging pad device 120 includes the transmission coil 310.

Also, the customer terminal 140 placed on the pad of the charging pad apparatus 120 has the receiving coil 320.

At this time, when the customer terminal 140 is placed on the pad of the charging pad apparatus 120, the transmitting coil 310 of the charging pad apparatus 120 and the receiving coil 320 of the customer terminal 140 are positioned .

A magnetic field is formed in the transmission coil 310 by the current supplied from the charging pad device 120 to the transmission coil 310 and the generated magnetic field is applied to the reception coil 320 of the customer terminal 140 An induced electromotive force is generated in the receiving coil 320, and a power source based on the induced electromotive force is charged in the battery of the customer terminal 140.

4 is a view illustrating an example in which a charging pad device according to an embodiment of the present invention is charged to a customer terminal by an electric field coupling method.

4, when the charging pad device 120 according to the present invention charges the battery of the customer terminal 140 in an electric field coupling manner, the charging pad device 120 includes a transmitting circuit 410, (420) and a transmitting electrode (430).

The corresponding customer terminal 140 includes a receiving electrode 440, a second transformer 450, and a receiving circuit 460.

The first transformer 420 and the second transformer 450 form a matching transformer and the transmitting electrode 430 and the receiving electrode 440 form a link capacitor 400 in a pair.

Accordingly, the charging pad device 120 converts the DC voltage to the AC voltage through the transmission circuit 410, transforms it to the impedance conversion through the first transformer 420, converts the transformed AC voltage to the transmitting electrode 430 And the customer terminal 140 receives the AC voltage from the link capacitor 400 through the receiving electrode 440 and transforms it into the impedance conversion through the second transformer 450, And converts the converted AC voltage into a DC voltage through the receiving circuit 460 to charge the battery.

Meanwhile, the link capacitor 400 refers to an AC-link capacitor component for electric connection, which is formed for energy transmission in a physical separation section between the charging pad device 110 and the customer terminal 140, A total of two (Clink1) (Clink2) are formed between the transmitting electrode 430 and the receiving electrode 440. [

If the value of the link capacitor 400 is Clink1 and Clink2, respectively, the effective capacitance Ceq participating in the resonance can be calculated according to the following Equation 1, which is a parallel connection value of two capacitors.

Assuming that the charging pad device 110 and the customer terminal 140 are in an aligned state, since the values of Clink1 and Clink2 are equal to each other, the effective capacitance Ceq can be calculated to be 1/2 of the individual link capacitor value .

5 is a diagram schematically showing the configuration of a charging pad device for charging a customer terminal according to an embodiment of the present invention by NFC method.

5, the charging pad apparatus 120 according to the present invention includes an antenna unit 510, a charging unit 520, a port unit 530, and a control unit (not shown) 540).

The antenna unit 510 performs an RF (Radio Frequency) interface with the customer terminal 140.

The charging unit 520 generates a charging signal for charging the customer terminal 140 with power.

The port unit 530 includes a tagging port for recognizing tagging of the customer terminal 140, a charging port for recognizing charging of the battery of the customer terminal 140, Lt; / RTI >

The control unit 540 transmits or receives the recognition signal or data of the port unit 530 to or from the radio network controller 130 or controls the charging signal to be transmitted to the customer terminal 140.

Since it is important for the controller 540 to recognize whether the customer terminal 140 is placed on the pad, the signal waveform is toggled-up and toggled-down in the tagging port, The user terminal 140 recognizes that the customer terminal 140 is placed on the pad. When the signal waveform toggled-up in the charging port is toggled-down and then toggled-up again, the charging operation of the customer terminal 140 .

FIG. 6 is a flowchart illustrating an operation of a wireless charging method for a customer call according to an embodiment of the present invention. Referring to FIG.

Referring to FIG. 6, the wireless charging pad system 100 for a customer call according to the present invention transmits a customer call signal sequentially in accordance with the user's input at the customer calling apparatus 110 (S602).

Thus, the customer call signal sent from the customer calling device 110 is delivered to the surrounding charging pad device 120.

Next, a customer call signal transmitted from the customer calling apparatus 110 is received from the charging pad apparatus 120 (S604).

At this time, the charging pad apparatus 120 is in a state in which a customer who is waiting is carrying it.

Next, the charging pad device 120 lights a call light or outputs a ringing tone or a vibration to notify the customer of the call (S606).

Also, the charging pad apparatus 120 can display on the screen through the display unit 280 that the customer has a call.

Then, the charging pad apparatus 120 recognizes that the customer terminal is placed on the pad according to the operation of the user placing the customer terminal 140 on the pad (S608).

That is, as the customer terminal 140 is placed on the pad, the charging pad apparatus 120 may be connected to the customer terminal 140 within a predetermined distance by an inductive coupling method, a capacitive coupling method, or an NFC The user terminal 140 can be recognized by the Near Field Communication (" Near Field Communication ") method.

Then, the charging pad device 120 charges the battery of the customer terminal by an inductive coupling method, a capacitive coupling method, or an NFC (Near Field Communication) method (S610).

At this time, the wireless control device 130 can detect the charged amount of the battery of the customer terminal 140 through the charging pad device 120 and display it as data, set the charging time of the battery according to the user's selection, It is possible to control charging ON (ON) or OFF (OFF) in real time.

When the charging pad apparatus 120 charges the battery of the customer terminal 140 in a magnetic field coupling manner, the current supplied to the transmission coil 310 as shown in FIG. 3 causes the transmission coil 310 to generate a magnetic field A magnetic field generated is excited in the receiving coil 320 of the customer terminal 140 to generate an induced electromotive force in the receiving coil 320 and a power based on the induced electromotive force is applied to the battery of the customer terminal 140 Is charged.

4, when the charging pad device 120 charges the battery of the customer terminal 140 in an electric field coupling manner, the charging pad device 120 supplies the DC voltage through the transmission circuit 410 Converts the AC voltage into an AC voltage and converts it to impedance conversion through the first transformer 420 and transmits the transformed AC voltage to the link capacitor 400 through the transmission electrode 430. The customer terminal 140 is connected to the link capacitor 400 receives the AC voltage through the receiving electrode 440 and converts it to impedance conversion through the second transformer 450 and converts the transformed AC voltage into a DC voltage through the receiving circuit 460 to charge the battery do.

5, when the charging pad device 120 charges the battery of the customer terminal 140 by the NFC method, the charging pad device 120 may be configured such that the signal waveform at the tagging port is toggled the user terminal 140 recognizes that the user terminal 140 is placed on the pad and generates a charging signal through the charging unit 520 and outputs the charging signal to the antenna unit 140. [ Up signal waveform in the charging port is toggled-down and again toggled-up in response to the charging operation, and recognizes that the charging operation of the customer terminal 140 is performed.

As described above, according to the present invention, it is possible to provide a wireless charging pad system for a customer call, which enables a customer to make a call while a customer is waiting in a public place and can charge the smartphone or electronic device used by the customer wirelessly, Method can be realized.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims and their equivalents. Only. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: Wireless charging pad system for customer calling 110: Customer calling device
120: charging pad device 130: radio control device
140: customer terminal 210: communication section
220: power supply unit 230:
240: call etc. output unit 250: call sound output unit
260: Vibration output unit 270:
280: display unit 310: transmission coil
320: Receiving coil 410: Transmitting circuit
420: first transformer 430: transmitting electrode
440: receiving electrode 450: second transformer
460: receiving circuit

Claims (10)

When receiving the customer call signal from a customer calling apparatus that sequentially transmits a customer calling signal in accordance with the waiting order, lights up a call light to notify a customer of the call, or outputs a ringing tone or vibration, A charging pad device for charging the battery of the customer terminal by an inductive coupling method, a capacitive coupling method, or an NFC (Near Field Communication) method when placed on a pad; And
The charging device detects the charged amount of the battery of the customer terminal through the charging pad device and displays the detected charging amount of the battery in the form of data and sets the charging time of the battery or controls the charging ON or OFF of the battery in real time A radio control unit
Lt; / RTI >
Wherein the charging pad device includes an antenna unit for an RF (Radio Frequency) interface with the customer terminal when the battery of the customer terminal is charged by the NFC method; A port unit having a tagging port for recognizing tagging of the customer terminal, a charging port for recognizing charging of the battery of the customer terminal, and a data port for transmitting and receiving data with the customer terminal; A charging unit for generating a charging signal for charging power to the customer terminal; And a control unit for transmitting / receiving a recognition signal or data of the port unit to / from the radio control unit or controlling the charging signal to be transmitted to the customer terminal, wherein a signal waveform is toggled-up in the tagging port When the user terminal is put on the pad, the signal waveform that is toggled-up in the charge port is toggled-down, and the toggle-down signal waveform is toggled- And recognizes the charging operation of the customer terminal as a charging operation.
The method according to claim 1,
When the charging pad device charges the battery of the customer terminal in a magnetic field coupling manner,
Wherein the charging pad device includes a transmission coil, the customer terminal has a reception coil,
A magnetic field is formed in the transmission coil by the current supplied to the transmission coil in the charging pad device, and a magnetic field generated is excited in the reception coil of the customer terminal to generate an induced electromotive force in the reception coil, And a power source is charged in the battery of the customer terminal.
The method according to claim 1,
When the charging pad device charges the battery of the customer terminal in an electric field coupling manner,
Wherein the charging pad device includes a transmission circuit, a first transformer, and a transmission electrode, wherein the customer terminal has a receiving electrode, a second transformer, and a receiving circuit,
Wherein the first transformer and the second transformer form a matching transformer, the transmitting electrode and the receiving electrode form a pair of link capacitors,
The charging pad device converts a DC voltage to an AC voltage through a transmission circuit, transforms it to an impedance conversion through the first transformer, transfers the transformed AC voltage to the link capacitor through the transmission electrode,
Wherein the customer terminal receives an AC voltage from the link capacitor through the receiving electrode and converts the AC voltage into an impedance conversion through the second transformer, converts the transformed AC voltage into a DC voltage through the receiving circuit, Wherein the wireless charging pad system comprises:
delete delete (a) transmitting a customer call signal in accordance with an input of a user in a customer calling apparatus sequentially according to a waiting order;
(b) receiving the customer call signal from the customer calling device in a charging pad device;
(c) illuminating a call light or outputting a ringing tone or vibration to notify a call to a customer in the charging pad device;
(d) recognizing that the charging pad device has placed the customer terminal on the pad; And
(e) charging the battery of the customer terminal by an inductive coupling method, a capacitive coupling method or an NFC (Near Field Communication) method;
Lt; / RTI >
Wherein the charging pad device comprises: an antenna unit for an RF (Radio Frequency) interface with the customer terminal when charging the battery of the customer terminal in an NFC manner; A port unit having a tagging port for recognizing tagging of the customer terminal, a charging port for recognizing charging of the battery of the customer terminal, and a data port for transmitting and receiving data with the customer terminal; A charging unit for generating a charging signal for charging power to the customer terminal; And a control unit for transmitting / receiving a recognition signal or data of the port unit to / from the radio control unit or controlling the charging signal to be transmitted to the customer terminal,
In the step (e), when the charging pad device toggle-up and toggle-down the signal waveform at the tagging port and then toggle-up after a predetermined time elapses, And when the toggle-up signal waveform toggled-down in the charging port is toggled-down and again toggled-up, recognizing the charging operation of the customer terminal as a charging operation.
The method of claim 6,
Wherein the step (e) comprises the steps of: the wireless control device detecting the battery charge amount of the customer terminal through the charge pad device and displaying the detected charge amount as data, setting the charge time of the battery, (OFF) is controlled in real time.
The method of claim 6,
In the step (e), when the charging pad device charges the battery of the customer terminal by the magnetic field coupling method,
A magnetic field is formed in the transmission coil by the current supplied to the transmission coil in the charging pad device, and a magnetic field generated is excited in the reception coil of the customer terminal to generate an induced electromotive force in the reception coil, And a power source is charged in the battery of the customer terminal.
The method of claim 6,
In the step (e), when the charging pad device charges the battery of the customer terminal in an electric field coupling manner,
Wherein the first transformer of the charging pad device and the second transformer of the customer terminal form a matching transformer and the transmitting electrode of the charging pad device and the receiving electrode of the customer terminal form a pair of link capacitors,
The charging pad device converts a DC voltage to an AC voltage through a transmission circuit, transforms it to an impedance conversion through the first transformer, transfers the transformed AC voltage to the link capacitor through the transmission electrode,
The customer terminal receives an AC voltage from the link capacitor through the receiving electrode, converts the AC voltage to an impedance conversion through the second transformer, converts the transformed AC voltage into a DC voltage through a receiving circuit, Wherein the wireless charging method is a wireless charging method.
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