KR101979841B1 - Mobile terminal - Google Patents

Abstract

A mobile terminal is disclosed. The mobile terminal sets a desired remaining capacity of the battery based on the movement of the touch with respect to the graphic object indicating the current remaining capacity of the battery displayed on the touch screen and sets a desired remaining capacity of the battery to a variation amount with respect to the current remaining capacity of the battery Based on which the discharge mode or the charge mode can be operated.

Description

[0001]

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal capable of performing a wireless charging function with another mobile terminal.

2. Description of the Related Art As a mobile terminal such as a notebook computer, a mobile phone, or a smart phone has diversified functions, a mobile terminal has a variety of functions such as photographing, video shooting, music or video file playback, And is implemented in the form of a multimedia player.

In order to support and enhance the functionality of such a mobile terminal, it may be considered to improve the structural and / or software portion of the terminal. Recently, a variety of terminals including a mobile terminal provide a complex and various functions, and the menu structure is also becoming complicated.

Particularly, interest, research, and commercialization of wireless charging technology of mobile terminals are exploding in recent years.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mobile terminal capable of performing wireless charging among mobile terminals.

Another object of the present invention is to provide a mobile terminal in which a user can intuitively select whether to charge or discharge wirelessly when wirelessly charging a mobile terminal and further can set a charging amount and a discharge amount.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise forms disclosed. Other objects, which will be apparent to those skilled in the art, It will be possible.

According to an aspect of the present invention, there is provided a mobile terminal including a touch screen, a wireless communication unit, a power transmission / reception unit, and a control unit. The wireless communication unit may perform a communication function with another mobile terminal. The power transceiver may transmit a wireless power signal to the other mobile terminal in a discharge mode and a wireless power signal for charging the battery from the other mobile terminal in a charge mode. Wherein the control unit sets a desired remaining capacity of the battery based on a movement of a touch with respect to a graphic object indicating a current remaining capacity of the battery displayed on the touch screen and sets a desired remaining capacity of the battery to a current remaining capacity of the battery The power transmission / reception unit can be operated in the discharge mode or the charge mode based on the change amount of the power transmission / reception unit.

According to another aspect of the present invention, there is provided a mobile terminal including a touch screen, a wireless communication unit, a power transmission / reception unit, and a control unit. The wireless communication unit may perform a communication function with another mobile terminal. The power transceiver may transmit a wireless power signal to the other mobile terminal in a discharge mode and a wireless power signal for charging the battery from the other mobile terminal in a charge mode. The controller may display the remaining capacity of the battery on the touch screen as a graphic object including a plurality of lower graphic objects each representing the unit capacity. When the touch of at least one lower graphical object among the plurality of lower graphical objects is moved to a graphic object corresponding to the different mobile terminal, the controller controls the amount of power corresponding to the at least one lower graphical object And controls the power transmitting and receiving unit to transmit the power to the terminal.

The mobile terminal according to the present invention can perform wireless charging among mobile terminals.

In addition, the mobile terminal according to the present invention can provide a user interface that allows a user to intuitively select whether to charge or discharge the mobile terminal while wirelessly charging the mobile terminal, and further can set a charge amount or a discharge amount .

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a detailed block diagram of a power unit of a mobile terminal according to the present invention.
3 is a flowchart illustrating an example of a wireless charging method performed in a mobile terminal according to the present invention.
FIG. 4 shows an example in which a user of the mobile terminal according to the present invention initiates transmission or reception of a wireless power signal for wireless charging.
5 and 6 show examples in which a user sets a desired remaining power of the battery through a touch on a graphic object displayed on the touch screen, according to the wireless charging method shown in FIG.
7 is a flowchart illustrating another example of a wireless charging method performed in the mobile terminal according to the present invention.
Figs. 8 and 9 show examples in which the user increases the desired remaining capacity of the mobile terminal according to the present invention, in accordance with the wireless charging method shown in Fig.
Fig. 10 and Fig. 11 show other examples in which the user increases the desired remaining capacity of the mobile terminal according to the present invention, in accordance with the wireless charging method shown in Fig.
12 is a flowchart illustrating another example of a wireless charging method performed in the mobile terminal according to the present invention.
13 and 14 show examples of the process of the mobile terminal performing the discharge mode according to the wireless charging method of FIG.
FIG. 15 is a flowchart illustrating a method of wirelessly charging a mobile terminal according to an exemplary embodiment of the present invention when the mobile terminal performs a discharge mode according to the wireless charging method shown in FIG. 12, A comparative example of the user interface is shown.
FIG. 16 shows an example in which the form of the user interface indicating the transmission of the wireless charging signal displayed on the mobile terminal according to the wireless charging method shown in FIG. 12 is changed according to the wireless charging efficiency of the other mobile terminal.
17 shows a user interface for various settings for wireless charging provided by the mobile terminal according to the present invention.
18 is a flowchart illustrating another example of a wireless charging method performed in the mobile terminal according to the present invention.
FIG. 19 is a flowchart illustrating another example of a wireless charging method performed in a mobile terminal according to the present invention.
20 and 21 show examples in which a user interface indicating that a predetermined event has occurred during wireless charging according to the wireless charging method shown in FIG. 20 is displayed on the touch screen.
22 is a flowchart illustrating another example of a wireless charging method performed in the mobile terminal according to the present invention.
FIG. 23 is a diagram for explaining a mechanism in which a position having an optimal charging efficiency is detected according to the wireless charging method shown in FIG. 22; FIG.
FIG. 24 shows that the optimum charging position is displayed on the touch screen of the mobile terminal operating as a slave according to the wireless charging method shown in FIG.

The foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Hereinafter, a mobile terminal related to the present invention will be described in detail with reference to the drawings. The suffix " module " and " part " for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described herein may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation device, have. However, the scope of the present invention is not limited thereto.

1 is a block diagram of a mobile terminal 100 according to an embodiment of the present invention. 1, the mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, A memory 160, an interface unit 170, a control unit 180, a power supply unit 190, and the like. 1 are not essential, the mobile terminal 100 may have more or less components than those shown in FIG.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcasting signals using various broadcasting systems. In particular, the broadcasting receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S) Only Digital Broadcast-Handheld (DVB-H), Integrated Services Digital Broadcast-Terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives a radio signal to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data in response to a voice call signal, a video call call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), LTE (Long Term Evolution) .

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. The location information module 115 may obtain location information using a global navigation satellite system (GNSS). Here, the Global Positioning System (GNSS) is a term used to describe the radionavigation satellite systems in which certain types of radionavigation receivers orbiting the Earth are transmitting reference signals that can determine their position near the surface or ground surface . The Global Positioning System (GNSS) includes Global Positioning System (GPS) in the United States, Galileo in Europe, GLONASS (Global Orbiting Navigational Satelite System) in Russia, COMPASS in China and Japan QZSS (Quasi-Zenith Satellite System), which is operated by the Ministry of Land, Infrastructure and Transport.

As a representative example of the GNSS, the location information module 115 may be a Global Position System (GPS) module. The GPS module calculates information on a distance (distance) from three or more satellites to a point (object), information on a time when the distance information is measured, and then applies a trigonometric method to the calculated distance information, Dimensional position information according to latitude, longitude, and altitude with respect to a point (object) in the three-dimensional space. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module continuously calculates the current position in real time, and calculates velocity information using the current position.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the movement of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, And senses the current state of the terminal 100 to generate a sensing signal for controlling the operation of the mobile terminal 100. The sensing signal may be transmitted to the controller 180 so that the controller 180 may perform a specific function.

The sensing unit 140 may include a touch sensor for sensing whether the user touches the touch panel, a vibration sensor for sensing vibration generated based on the touch of the user, a gyro sensing rotation of the mobile phone 100, A sensor, an acceleration sensor, a geomagnetic sensor, or the like. However, the scope of the present invention is not limited thereto.

For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it may be responsible for a sensing function related to whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor.

The output unit 150 may include a display unit 151, an acoustic output unit 152, an alarm unit 153, and a haptic module 154, for example, for generating an output related to visual, auditory, have.

The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

Some of these displays may be transparent or light transmissive so that they can be seen through. This may be referred to as a transparent display. A typical example of the transparent display is a transparent LCD or the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

(Hereinafter, referred to as a 'touch screen') in which a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') form a mutual layer structure, It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

A proximity sensor may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen that is wrapped by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor.

And to detect the proximity of the cursor with the change of the electric field along the proximity of the cursor when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output unit 152 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. [ The audio output unit 152 may include a receiver, a speaker, a buzzer, and the like. Also, the sound output unit 152 may output sound through the earphone jack 116. The user can connect the earphone to the earphone jack 116 to hear the sound output.

The alarm unit 153 may output a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may also be output through the display unit 151 or the audio output unit 152.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to feel the tactile effect through the muscles of the user's finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM , An optical disc, and the like. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device.

For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The interface unit 170 may include a card slot on which the card type user identification module can be mounted. Then, the user identification module may be connected to the mobile terminal 100 through the card slot. At this time, a plurality of user identification modules may be connected to the interface unit 170.

When the mobile terminal 100 is connected to an external cradle, the interface unit 170 may be a path through which power from the cradle is supplied to the mobile terminal 100, or various commands A signal may be a path through which the signal is transmitted to the mobile terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The control unit 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 may receive external power and internal power under the control of the controller 180 to supply power required for operation of the respective components.

Under the control of the control unit 180, the power supply unit 190 receives external power and internal power, and supplies power necessary for operation of the respective components. The power unit 190 may receive a wireless power signal from another mobile terminal to charge the battery 195. Also, the power supply unit 190 may transmit a wireless power signal to the other mobile terminal based on the remaining power of the battery 195. The power transmission / reception unit 210 can receive and transmit wireless power. The charging circuit 200 may generate a charging voltage for charging the battery 195 from the received radio power signal and apply the charging voltage to the battery 195.

That is, the mobile terminal 100 according to the present invention can not only charge the battery 195 based on the wireless charging signal received from other electronic devices, but also operate as a wireless charger based on the remaining power of the battery 195 It is possible.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing functions. In some cases, And may be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. In addition, the software codes may be stored in the memory 160 and executed by the control unit 180. [

The configuration of the mobile terminal 100 according to the present invention has been described above with reference to FIG. Hereinafter, the wireless charging function of the mobile terminal 100 according to the present invention will be described in more detail with reference to FIG. 2 to FIG.

2 is a detailed block diagram of the power supply unit 190 of the mobile terminal 100 according to the present invention. Referring to FIG. 2, the power supply unit 190 includes a battery 195, a charging circuit 200, and a power transmitter / receiver 210. The components shown in Fig. 2 are not essential, and the power supply unit 190 may have more or less components than those shown in Fig.

1, the components of the power supply unit 190 will be described below with reference to the functions and operation of the power transmission / reception unit 210 among the components of the power supply unit 190. Hereinafter, ) Will be described.

The power transmitting and receiving unit 210 may include an AC generator 260, a communication chip 250, a switching unit 240, an NFC antenna 220, and a transmitting and receiving coil 230. First, an operation of the power supply unit 190 for generating a wireless power signal for charging the battery of the other mobile terminal will be described. Hereinafter, the mode in which the mobile terminal 100 according to the present invention charges the battery of another mobile terminal based on the remaining power of the battery 195 is referred to as a " discharge mode ".

The AC generator 260 may generate a wireless signal based on a wireless power signal transmitted from the power unit 190 to charge another mobile terminal. The communication chip 250 may receive a radio signal from the AC generator 260 and generate a radio power signal to be transmitted to another mobile terminal through the NFC antenna 220 or the transmission / reception coil 230.

As described above, the mobile terminal 100 according to the present invention can transmit a wireless power signal to another mobile terminal through the transmission / reception coil 230, and can transmit a wireless power signal to another mobile terminal through the NFC antenna 220 . Meanwhile, a wireless power signal generated in the communication chip 250 may be transmitted to the NFC antenna 220 or the transmission / reception coil 230 via the switching unit 240. [

Next, an operation of the power supply unit 190 to charge the battery 195 by receiving the wireless charging signal from the other mobile terminal will be described. Hereinafter, a mode in which the mobile terminal 100 according to the present invention receives a wireless power signal from another mobile terminal and charges the battery 195 is referred to as a " charging mode ".

The power unit 190 receives a wireless charging signal from another mobile terminal through the NFC antenna 220 or the transmission / reception coil 230. The received wireless charging signal is applied to the charging circuit 200 via the switching unit 240. Then, the charging circuit 200 generates a charging voltage for charging the battery 195 based on the received wireless charging signal, and applies the charging voltage to the battery 195.

Meanwhile, although not shown in the figure, the controller 180 may control the operation of the components of the power supply unit 190 in the charge mode or the discharge mode. Alternatively, the mobile terminal 100 may include a separate component that performs a control function for performing a wireless charging function using the power unit 190. [

3 is a flowchart illustrating an example of a wireless charging method performed in the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

First, the controller 180 of the mobile terminal 100 displays a graphic object indicating the current remaining capacity of the battery 195 on the touch screen 151 (S100). Then, the control unit 180 sets a desired remaining power of the battery 195 based on the touch of the graphic object (S110).

When the desired remaining power of the battery 195 is set, the operation mode of the power transmitting / receiving unit 210 is determined based on the variation of the desired remaining capacity of the battery 195 with respect to the current remaining capacity of the battery 195 (S120). Then, the controller 180 controls the power transmission / reception unit 210 to operate in the discharge mode or the charge mode according to the determined operation mode (S130).

Meanwhile, the controller 180 may display a change in the remaining capacity of the battery 195 in the process of performing the wireless charging function on the touch screen 151, and may further display the battery capacity of the mobile terminal The remaining amount may also be displayed on the touch screen 151.

As described above, in the mobile terminal 100 according to the present invention, the user can easily set the charging or discharging of the battery using the graphic object displayed on the touch screen 151. [

The user of the mobile terminal 100 may control the power unit 190 to start receiving or transmitting a wireless power signal for performing the charging mode or the discharging mode in various ways. In the example shown in FIG. 3, the controller 180 may start performing the wireless charging mode immediately after the user sets the desired power using the graphic object, The charging mode may be started. This is also true in the examples shown in Figs. 7 and 12 to be discussed later.

Meanwhile, when the set charging condition is satisfied, the mobile terminal 100 terminates the charging operation when the forced termination button operation of the user, the distance between the mobile terminal 100 and another mobile terminal is separated by a certain distance or more, can do.

FIG. 4 shows an example in which a user of the mobile terminal 100 according to the present invention initiates transmission or reception of a wireless power signal for wireless charging. 4 (a), when the user moves the touch of the battery icon 151-1 in the indicator area to the wireless charging icon 151-2 displayed on the desktop, The control unit 180 of the control unit 180 may start transmitting or receiving a wireless power signal for performing the charging mode or the discharging mode.

In the example shown in FIG. 4 (a), it is assumed that another mobile terminal is disposed within the wireless charging effective distance of the mobile terminal 100. Meanwhile, in the discharge mode, the wireless charge effective distance of the mobile terminal 100 may mean a distance where the battery charging efficiency of the other mobile terminal with respect to the wireless power signal transmitted from the mobile terminal 100 is higher than a certain level .

In addition, in the charging mode, the wireless charging effective distance of the mobile terminal 100 may mean a battery charging efficiency of the mobile terminal 100 for a wireless charging signal transmitted from the other mobile terminal is greater than a certain level . Meanwhile, the mobile terminal 100 and other mobile terminals can exchange various information with a mobile terminal that has transmitted a wireless power signal through wireless communication. The various information may include a power transmission frequency, a wireless communication frequency between terminals, a battery remaining capacity in a wireless charging process, a charging current, a discharging current, a charging power, a discharging power, and the like. However, the scope of the present invention is not limited thereto.

The wireless communication may be performed through the wireless communication unit 110 of the mobile terminal 100 or may be performed by a combination of the communication chip 250 and the NFC antenna 220 of the power unit 190, And may be performed by a combination of the transmitting and receiving coils 230. That is, the power unit 190 may perform a wireless communication function with other mobile terminals as well as transmit and receive a wireless charging signal.

The mobile terminal 100 and the other mobile terminal can calculate the battery charging efficiency by measuring the electric field and / or the magnetic field of the received wireless charging signal. At this time, since the mobile terminal 100 and other mobile terminals have already obtained the amount of power transmitted through the wireless communication with the terminal that has transmitted the wireless power signal, the battery charging efficiency is measured using the measured electric field and / Can be calculated.

Also, the mobile terminal 100 and the other mobile terminal may calculate battery charging efficiency based on electric power supplied to the battery. The power supplied to the battery can be easily calculated based on the voltage of the battery charging terminal and the current applied to the battery. Meanwhile, the transmitted power amount may be obtained through wireless communication with the mobile terminal that transmitted the wireless power signal.

Referring to FIG. 4B, when the user moves the mobile terminal 100 according to the present invention and the other mobile terminal 300 within a predetermined distance, the control unit 180 of the mobile terminal 100 is charged Mode or a discharge mode of the wireless power signal.

4, if the mode for the wireless charging operation of the mobile terminal 100 and / or the other mobile terminal 300 of the battery 195 is not set by the user, The mobile terminal 100 and the other mobile terminal 300 can operate in the charging or discharging mode such that the remaining capacity of the battery of the mobile terminal 100 and that of the other mobile terminal 300 become equal to each other.

Although not shown in the drawing, the mobile terminal 100 may initiate a wireless charging function when NFC tagging with another mobile terminal equipped with a wireless charging function is recognized.

5 and 6 illustrate examples in which the user sets a desired remaining power of the battery 195 through a touch to the graphic object 151-3 displayed on the touch screen 151 according to the wireless charging method shown in Fig. .

5 and 6, the user can increase or decrease the desired remaining capacity of the battery 195 based on the current remaining capacity, based on the movement of the touch with respect to the graphic object 151-3 .

More specifically, the control unit 180 of the mobile terminal 100 may decrease the desired remaining capacity BC1 from the current remaining capacity BC0 when the touch starting from the current remaining capacity BC0 is shifted to the left have. Conversely, the controller 180 of the mobile terminal 100 may reduce the desired remaining capacity BC2 from the current remaining capacity BC0 when the touch starting from the current remaining capacity BC0 is shifted to the left.

As shown in FIG. 6, the graphic object 151-3 may be represented by a graphic object including a plurality of lower graphic objects each representing a unit capacity. In the example shown in Fig. 6, the increase / decrease in the desired remaining capacity of the battery 195 by the touch of the user can also be expressed as a unit capacity.

When the desired remaining capacity of the battery 195 according to the method shown in FIG. 5 and FIG. 6 is set, the mobile terminal 100 sets the desired remaining capacity of the battery 195 to the present remaining capacity of the battery 195 It is possible to determine whether the mobile terminal 100 operates in a charge mode or a discharge mode based on the change amount of the mobile terminal 100. [ Hereinafter, a mobile terminal operating in a discharge mode will be referred to as a " host ", and a mobile terminal operating in a charge mode will be referred to as a " slave ".

At this time, the mobile terminal 100 may determine the amount of power to be transmitted to or received from another mobile terminal based on the variation amount of the desired remaining capacity. This specific operation will be described in more detail with reference to the wireless charging method shown in FIG.

7 is a flowchart illustrating another example of a wireless charging method performed by the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

The desired remaining capacity of the battery 195 is set based on the touch on the graphic object displayed on the touch screen 151 (S200). Then, the control unit 180 of the mobile terminal 100 determines whether the desired remaining capacity of the battery 195 is greater than the current remaining capacity of the battery 195 (S210).

If the desired remaining capacity of the battery 195 has increased, the control unit 180 sets the power transmitting / receiving unit 210 of the power unit 190 to the charging mode (S220). The controller 180 transmits the wireless power signal to the mobile terminal 100 after the end of the charging mode based on the amount of increase of the desired remaining capacity of the battery 195 with respect to the current remaining capacity of the battery 195 A user interface indicating the estimated remaining capacity of the battery of another mobile terminal is displayed on the touch screen 151 (S230).

Here, the user interface indicating the estimated remaining capacity of the battery of the other mobile terminal may include a graphical object in battery form and / or a character indicating a percentage of the expected remaining capacity. However, the form of the user interface is not limited to the above example. Meanwhile, the control unit 180 may calculate the estimated remaining capacity of the battery of the other mobile terminal in consideration of the charging efficiency of the battery 195 with respect to the radio power signal received from the other mobile terminal.

Then, the control unit 180 requests the other mobile terminal to transmit the wireless power signal based on the increase amount of the requested remaining capacity (S240), and transmits the wireless power signal to the battery 195). If the remaining capacity of the battery 195 reaches the desired remaining capacity, the controller 180 transmits the remaining capacity to the other mobile terminal and ends the charging mode.

However, if the desired remaining capacity of the battery 195 decreases, the control unit 180 sets the power transmitting / receiving unit 210 of the power unit 190 to the discharging mode (S250). The control unit 180 determines whether or not the remaining capacity of the battery 195 is greater than the remaining capacity of the battery 195 based on the amount of reduction of the desired remaining capacity of the battery 195 with respect to the current remaining capacity of the battery 195, And displays the interface on the touch screen 151 (S260).

Here, the user interface indicating the estimated remaining capacity of the battery of the other mobile terminal may include a graphical object in battery form and / or a character indicating a percentage of the expected remaining capacity. However, the form of the user interface is not limited to the above example. Meanwhile, the controller 180 may calculate the estimated remaining capacity of the battery of the other mobile terminal in consideration of the charging efficiency of the battery of the other mobile terminal with respect to the wireless power signal transmitted from the mobile terminal 100.

Then, the control unit 180 calculates the amount of power to be transmitted to the other mobile terminal based on the reduction amount of the desired remaining capacity, and starts the transmission of the wireless power signal to the other mobile terminal based on the calculated amount of power (S270). If the remaining capacity of the battery 195 reaches the desired remaining capacity, the controller 180 transmits the remaining capacity to the other mobile terminal and ends the discharge mode.

Meanwhile, the controller 180 may provide a user interface indicating a change in the remaining capacity of the battery 195 of the mobile terminal 100 to the user by reflecting the process of performing the wireless charging function, The user interface may be provided to the user to indicate a process of changing the remaining capacity of the battery.

Figs. 8 and 9 show examples in which the user increases the desired remaining capacity of the mobile terminal according to the present invention, in accordance with the wireless charging method shown in Fig.

8, when the user moves the touch to the right corresponding to the current remaining capacity BC0 of the battery 195 to the right, it is determined that the desired remaining capacity BC2 of the battery 195 increases . Then, the mobile terminal 100 operates as a slave and the other mobile terminal can operate as a host. That is, the mobile terminal 100 can operate in the charging mode.

Meanwhile, after the end of the charging mode of the mobile terminal 100, the estimated remaining capacity of the battery 195 of the mobile terminal 100 is increased by 20%, while the reduction amount of the estimated remaining capacity of the battery of the other mobile terminal is 30% . This may indicate that there is power lost if the wireless charging efficiency is not 100%.

On the other hand, if the wireless charging efficiency is assumed to be 100%, the difference in the increase or decrease in the expected battery remaining capacity between the two mobile terminals may be due to the difference in battery capacity between the two mobile terminals. For example, in the example of FIG. 8, it may mean that the battery capacity of the mobile terminal 100 according to the present invention is larger than that of the other mobile terminals.

8, the user interface representing the desired remaining capacity of the mobile terminal 100 may be composed of a graphic object 151-3 representing a desired remaining capacity and characters representing a desired remaining capacity as a percentage . On the other hand, it can be seen that the expected remaining capacity of another mobile terminal can also be composed of a graphic object 151-4 and a character representing it.

9, when the user moves the touch of the point corresponding to the current remaining capacity BC0 to the right, the controller 180 displays a graphical object 151-3 indicating the capacity of the battery 195 It is also possible to display an increment of the desired remaining capacity BC2 by additionally displaying a plurality of lower graphic objects on the unit capacity.

Fig. 10 and Fig. 11 show other examples in which the user increases the desired remaining capacity of the mobile terminal according to the present invention, in accordance with the wireless charging method shown in Fig.

10, when the user moves the touch to the left corresponding to the current remaining capacity BC0 of the battery 195, it is determined that the desired remaining capacity BC1 of the battery 195 decreases . Then, the mobile terminal 100 operates as a host and the other mobile terminal can operate as a slave. That is, the mobile terminal 100 may operate in a discharge mode.

11, when the user moves the touch of the point corresponding to the current remaining capacity BC0 to the left, the controller 180 displays a graphical object 151-3 indicating the capacity of the battery 195 It can be seen that a reduction in the desired remaining capacity BC2 can be displayed by displaying two lower graphic objects corresponding to the amount of movement of the touch in different colors from among the plurality of lower graphic objects included.

12 is a flowchart illustrating another example of a wireless charging method performed in the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

First, the controller 180 of the mobile terminal 100 displays a graphic object indicating the current remaining capacity of the battery 195 on the touch screen 151 (S300). The graphic object may include a plurality of lower graphic objects, each of which represents a unit capacity, as shown in Figs. 6, 9, and 11. Fig.

A touch of at least one selected one of a plurality of lower graphic objects included in the graphic object is moved to another graphic object representing another mobile terminal at step S310. Here, the movement of the touch may mean movement of a touch to each of the at least one lower graphic object selected. In addition, the movement of the touch may mean that a touch is moved to the selected plurality of lower graphic objects in a state where a plurality of lower graphic objects are selected.

When the touch is moved to the other mobile terminal, the controller 180 sets a power transmission / reception mode to a discharge mode for transmitting a wireless power signal to the other mobile terminal to charge the battery of the other mobile terminal (S320) . Then, the controller 180 displays a user interface on the touch screen 151 indicating the estimated remaining capacity of the battery of another mobile terminal after the end of the discharge mode (S330). The expected remaining capacity of the battery of the other mobile terminal can be determined in consideration of the battery charging efficiency of the other mobile terminal, as described above.

Then, the controller 180 calculates an amount of power to be transmitted to the other mobile terminal corresponding to the selected lower graphic object based on the number of the selected lower graphic objects, and transmits the calculated amount of power to the other mobile terminal And controls the power transmission / reception unit 210 to start transmission of the power signal (S330).

13 and 14 show examples of a process in which the mobile terminal 100 according to the present invention performs a discharge mode according to the wireless charging method of FIG.

13A shows a current remaining capacity of the battery 195 of the mobile terminal 100. In a graphic object 151-3 including a plurality of lower graphic objects, And moves the touch for the two lower graphic objects to another graphic object 151-5 representing another mobile terminal in the selected state.

Then, the control unit 180 of the mobile terminal 100 executes the discharge mode to transmit the wireless power signal to the other mobile terminal, while the wireless power signal is transmitted to the other mobile terminal as shown in FIG. 13 (b) And display the user interface 151-6 on the touch screen 151 indicating that the data is transmitted to the terminal.

13 (b), the controller 180 displays the user interface 151-7 indicating the remaining battery level of the other mobile terminal after the discharge mode ends, as a graphic object 151-5.

13 and 14, the user can stop or terminate the wireless charging by touching the "STOP" button area displayed on the touch screen 151. [

14A is a graphical object 151-3 showing a current remaining capacity of the battery 195 of the mobile terminal 100 and including a plurality of lower graphic objects, And moves the touch to another graphic object 151-5 representing another mobile terminal. Then, the controller 180 may start performing the discharge mode as shown in FIG. 14 (b).

13 and 14, a user interface indicating transmission and reception of a wireless charging signal is shown by an arrow, but the scope of the present invention is not limited thereto. For example, such a user interface may be a lightning bolt graphic object indicating that it is charging, a graphic object representing a wireless link, or the like.

FIG. 15 is a diagram showing a user interface displayed on the touch screen 151 of the mobile terminal 100 in the case where the mobile terminal 100 according to the present invention performs the discharge mode according to the wireless charging method shown in FIG. And shows a comparison example of a user interface displayed on the touch screen 351 of another mobile terminal 300.

Referring to FIG. 15A, it can be seen that the mobile terminal 100 operates as a host and transmits a wireless power signal to the other mobile terminal 300. Referring to FIG. 15 (b), the other mobile terminal 300 operates as a slave and receives a wireless power signal from the mobile terminal 100.

15 indicate the current remaining capacity of the battery 195 of the mobile terminal 100 and the current remaining capacity of the battery of the other mobile terminal 300. [ The numbers indicating the remaining capacity of the batteries are changed according to the progress of wireless charging. Of course, it is changed to reflect the graphic object or the wireless charging process that indicates the remaining capacity of the batteries.

FIG. 16 is a flowchart illustrating a process of changing the type of the user interface 151-6 indicating the transmission of the wireless charging signal displayed on the mobile terminal 100 according to the wireless charging efficiency of the other mobile terminal according to the wireless charging method shown in FIG. 12 For example.

It can be seen that the thickness of the arrow of the user interface 151-6 shown in FIG. 16 (a) is thinner than the thickness of the arrow of the user interface 151-6 shown in FIG. 16 (b). This may indicate that the wireless charging efficiency of the other mobile terminal in the example of FIG. 16 (b) is higher than the wireless charging efficiency of the other mobile terminal in the example of FIG. 16 (a).

Meanwhile, when the mobile terminal 100 operates in the charging mode, the type of the user interface indicating reception of the wireless power signal displayed on the touch screen 151 is changed according to the battery wireless charging efficiency of the mobile terminal 100 .

The provision of the user interface through the mobile terminal 100 and other mobile terminals according to the present invention during the wireless charging process described above with reference to FIGS. 13 through 16 is the same as the wireless charging method shown in FIG. 7 Can be similarly applied. This can be easily obtained by those skilled in the art from the description of Figs. Therefore, a detailed description thereof will be omitted.

17 shows a user interface for various settings for wireless charging provided by the mobile terminal 100 according to the present invention. First, the user can set the charging level through the user interface. For example, the user may set the host and the slave to have the same remaining battery capacity. This setting may be a default setting of the mobile terminal 100. At this time, a terminal having a large remaining battery capacity is automatically set as a host, and a terminal having a small remaining battery capacity can be automatically set as a slave. Also, the user may directly input the battery level.

Also, the user may set a time for charging the battery of another mobile terminal. Then, the controller 180 may transmit a wireless power signal to the other mobile terminal only for a time set by the user, and then block the transmission of the wireless power signal.

Also, the user may set the wireless charging function to be executable even when external power is applied. Also, the user may set the wireless charging function to be always active when the external power is applied. Then, the user can utilize the mobile terminal 100 according to the present invention as a wireless charger. Of course, this assumes that other mobile terminals equipped with the wireless charging function are located within the effective wireless charging distance.

18 is a flowchart showing another example of a wireless charging method performed in the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

First, the desired remaining capacity of the battery 195 is set in the charging mode, and the mobile terminal 100 receives the wireless power signal through another mobile terminal (S400). Then, the control unit 180 calculates the charging power supplied to the battery 195 based on the received radio power, and calculates the charging efficiency of the battery 195 (S410). At this time, the mobile terminal 100 can acquire the transmission power amount from the other mobile terminal through wireless communication, and calculate the charging efficiency of the battery 195 based on the charging power supplied to the battery .

Then, the control unit 180 calculates the amount of power that the other mobile terminal should transmit based on the calculated charging efficiency of the battery 195 (S420). Then, the control unit 180 may calculate the estimated remaining capacity of the battery of the other mobile terminal after the end of the charging mode based on the calculated amount of power (S430).

By applying the method shown in FIG. 18 similarly, the controller 180 may calculate the estimated remaining capacity of the battery of the other mobile terminal after the discharge mode is performed. This will be readily apparent to those skilled in the art based on the description of FIG. Therefore, a detailed description thereof will be omitted.

FIG. 19 is a flowchart illustrating another example of a wireless charging method performed by the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

A call is received while the mobile terminal 100 receives a wireless power signal from another mobile terminal and charges the battery 195 (S500). Then, the control unit 180 of the mobile terminal 100 displays a pop-up window indicating call reception on the touch screen 151 (S510).

Then, the control unit 180 determines whether the call connection icon included in the pop-up window is touched within a predetermined time after the pop-up window is displayed at step S520. If the user touches the call connection icon within a predetermined time, the controller 180 connects the call (S530).

After the call is connected, the controller 180 determines whether the mobile terminal 100 is separated from the other mobile terminal by a predetermined distance (S540). If the mobile terminal 100 is separated from the other mobile terminal by a predetermined distance in a process of the user holding the mobile terminal 100 for a call, the controller 180 suspends or terminates the wireless charging (S550).

If the distance between the mobile terminal 100 and the other mobile terminal is recognized to be within a predetermined distance after the end of the call after the wireless charging is temporarily stopped, the controller 180 resumes the wireless charging function that was in progress according to the setting It is possible.

However, if the mobile terminal 100 is not separated from the other mobile terminal by a predetermined distance or more, the controller 180 may maintain the wireless charging state (S560). At this time, the controller 180 may automatically activate the speaker phone function for the convenience of the user's call.

If the call connection icon is not touched within a predetermined time after the pop-up window is displayed, the controller 180 may automatically transmit a predetermined message to the call originating terminal without performing a call connection at step S570. That is, the automatic transmission of the predetermined message can be performed when the user does not take any action within a predetermined time after receiving the call or when the call rejection icon included in the user interface is touched. On the other hand, the predetermined message may be a message such that the user of the mobile terminal 100 informs the caller of the reception of the call, such as " I will contact you in a moment. &Quot;

20 and 21 show examples in which a user interface indicating that a predetermined event has occurred during wireless charging according to the wireless charging method shown in FIG. 20 is displayed on the touch screen 151. FIG.

FIG. 20A shows that a pop-up window 151-8 indicating that a call is received is displayed on the touch screen 151 of the mobile terminal 100 serving as a host when wirelessly charging. The user can activate the call function with the call receiving terminal by touching the " call " button included in the pop-up window 151-8, By touching the button, the call reception event related situation can be terminated.

20B shows that a pop-up window 351-8 indicating that a call has been received is displayed on the touch screen 351 of another mobile terminal 300 serving as a slave for wireless charging. The user of the other mobile terminal 300 may also refuse a call connection or a call through the pop-up window 351-8.

21A shows that an icon 151-9 indicating that a message has been received is displayed on the touch screen 151 of the mobile terminal 100 serving as a host when wirelessly charging. The user can touch the icon 151-9 to confirm the received message.

FIG. 21 (b) shows that an icon 351-9 indicating that a message has been received is displayed on the touch screen 351 of another mobile terminal 300 serving as a slave for wireless charging. The user of the other mobile terminal 300 may also touch the icon 351-9 to confirm the received message.

20 and 21, if the user does not touch the user interface within a predetermined time after the user interface indicating the occurrence of the event is displayed, the controller 180 notifies the user of the event related event Can be terminated. In this case, the controller 180 may transmit a predetermined message to the terminal that caused the event.

22 is a flowchart showing another example of a wireless charging method performed in the mobile terminal 100 according to the present invention. Hereinafter, the wireless charging method will be described with reference to necessary drawings.

The mobile terminal 100 transmits a wireless power signal to another mobile terminal while performing a discharging mode (S600). Then, the controller 180 recognizes the transmitted wireless power signal as noise through a transparent electrode (ITO: Indium-Tin-Oxide) of the touch screen 151, and measures a noise level (S610).

Then, the controller 180 displays the area having the highest charging efficiency on the touch screen 151 based on the calculated noise level (S620). Then, the user can adjust the position of the terminal to serve as a slave by referring to the area. Here, the region with the highest charging efficiency may be the region with the highest noise level. This is because the level of the noise measured through the transparent electrode is measured to be higher as the intensity of the wireless charging signal is stronger.

Also, the controller 180 may guide the mobile terminal serving as a slave to a position having an optimal charging efficiency (S630). For example, the controller 180 outputs a voice message through the mobile terminal 100 and / or the slave terminal to adjust the position of the slave terminal to a position having an optimal charging efficiency, Can be displayed on the touch screen of the terminal 100 and / or the slave terminal.

Meanwhile, the wireless charging method shown in FIG. 22 can be similarly applied to a terminal performing a slave function during wireless charging. However, in this case, the slave terminal recognizes the wireless power signal received from the host terminal through the transparent electrode of the touch screen as noise, and measures the level thereof to find the optimal charging efficiency position.

FIG. 23 is a diagram for explaining a mechanism in which a position having an optimal charging efficiency is detected according to the wireless charging method shown in FIG. 22; FIG.

23A shows that the touch screen 151 includes a transparent electrode, and that the transmission / reception coil 230 is disposed around the touch screen 151. FIG. 23 (b) and 23 (c), when a wireless power signal is transmitted through the transmission / reception coil 230, in the structure as shown in FIG. 23 (a) It can be seen that the level of the noise measured by the transparent electrode is the highest.

On the other hand, when the mobile terminal 100 operates as a host for wireless charging, it can be seen that the level of noise measured through the transparent electrode is less than or equal to the threshold value Nth. The control unit 180 can recognize the noise level above the threshold value Nth by the user's touch. Referring to FIGS. 23 (b) and 23 (c), it can be seen that the noise level at the touch points X1 and Y1 by the user is measured much higher than the threshold value Nth.

FIG. 24 shows that the optimal charging position is displayed on the touch screen 151 of the mobile terminal 100 operating as a slave according to the wireless charging method shown in FIG. FIG. 25 shows that the slave terminal 300 outputs a guiding message when the position of the slave terminal 300 with respect to the host terminal 100 is not the position with the optimal charging efficiency. A guiding message may be output from the host terminal 100. Meanwhile, when the slave terminal 300 arrives at a position indicating optimal charging efficiency, the host terminal 100 or the slave terminal 300 may notify the user of the sound effect or vibration.

Meanwhile, the mobile terminal 100 according to the present invention can output a warning sound or a warning message when the charging efficiency drops below a certain level due to a change in position of another mobile terminal when the wireless charging function is performed. Also, the mobile terminal 100 may output a guiding message to move the position of the other mobile terminal to a position indicating a charging efficiency higher than a predetermined level, or may display a user interface for guiding on the touch screen 151 .

Each of the wireless charging related methods performed in the mobile terminal 100 according to the present invention may be implemented in a form of a program that can be executed through various computer means and recorded in a computer readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program recorded on the medium may be those specially designed and constructed for the present invention or may be those known to those skilled in the computer software.

Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of programs include high-level language code that can be executed by a computer using an interpreter or the like, as well as machine code as produced by a compiler. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

10: data sharing system 200: data server
300: another server 400: another mobile terminal
100: mobile terminal 110: wireless communication unit
116: input unit 120: A / V input unit
130: user input unit 140: sensing unit
150: output unit 151: display unit
152: Acoustic output unit 160: Memory
170: interface unit 180: control unit
190: Power supply unit 195: Battery
200: charging circuit 210: power transmission /

Claims (17)

touch screen;
A wireless communication unit for performing a communication function with another mobile terminal;
A power transmitting and receiving unit for transmitting a wireless power signal to the other mobile terminal in a discharging mode and receiving a wireless power signal for charging the battery from the other mobile terminal in a charging mode; And
A desired remaining capacity of the battery is set based on a movement of a touch with respect to a graphic object indicating a current remaining capacity of the battery displayed on the touch screen and a desired remaining capacity of the battery is set to a variation amount with respect to a current remaining capacity of the battery And a control unit for operating the power transmitting / receiving unit in a discharge mode or a charge mode based on the received power,
Wherein,
When the desired remaining capacity of the battery is set, the estimated remaining capacity of the battery of the other mobile terminal is calculated in consideration of the battery charging efficiency of the other mobile terminal with respect to the radio power signal transmitted to the other mobile terminal in the discharging mode And displays on the touch screen a user interface indicating the estimated remaining capacity of the battery of the other mobile terminal after the end of the discharge mode. The apparatus of claim 1,
And controls the power transmitting / receiving unit to operate in a charging mode when the desired remaining capacity of the battery increases with respect to the current remaining capacity of the battery. When the desired remaining capacity of the battery decreases as compared with the current remaining capacity of the battery, The power control unit controls the power transmitting / receiving unit to control the power transmitting / receiving unit. 3. The apparatus of claim 2,
The amount of power to be transmitted to the other mobile terminal is determined based on a reduction amount with respect to a current remaining capacity of the battery in a desired remaining capacity of the battery when the desired remaining capacity of the battery is decreased as compared with a current remaining capacity of the battery . delete delete 3. The apparatus of claim 2,
And requests the other mobile terminal to transmit the wireless power signal based on the increase amount with respect to the current remaining capacity of the desired remaining capacity when the desired remaining capacity of the battery is increased compared to the current remaining capacity of the battery Mobile terminal. 7. The apparatus of claim 6,
And displays a user interface indicating the estimated remaining capacity of the battery of the other mobile terminal after the end of the charging mode on the touch screen when the desired remaining capacity of the battery is set. 8. The apparatus of claim 7,
Wherein the estimated remaining capacity of the battery of the other mobile terminal is calculated in consideration of the battery charging efficiency of the mobile terminal with respect to the wireless power signal received from the other mobile terminal. The apparatus of claim 1,
In the discharge mode, a user interface indicating that a wireless power signal is transmitted to another graphic object representing the other mobile terminal is displayed on the touch screen,
Wherein the charging mode displays a user interface on the touch screen indicating that a wireless power signal is received from the different graphics object representing the other mobile terminal. 10. The apparatus according to claim 9,
Wherein the display mode of the other graphic object is changed by reflecting the charging efficiency of the other mobile terminal or the charging efficiency of the mobile terminal. The apparatus of claim 1,
Wherein the display unit displays a user interface indicating that a call has been received when the call is received while the power transmitting / receiving unit is operating in a discharge mode or a charge mode. 12. The apparatus according to claim 11,
Wherein when the call connection button included in the user interface is touched within a predetermined time after the user interface is displayed, the call function is activated; otherwise, the predetermined message is automatically transmitted to the call originating terminal. touch screen;
A wireless communication unit for performing a communication function with another mobile terminal;
A power transmitting and receiving unit for transmitting a wireless power signal to the other mobile terminal in a discharging mode and receiving a wireless power signal for charging the battery from the other mobile terminal in a charging mode; And
Wherein a remaining capacity of the battery is displayed on the touch screen as a graphic object including a plurality of lower graphic objects each representing the unit capacity, and a touch on at least one lower graphic object of the plurality of lower graphic objects is displayed on the touch screen, And a controller for controlling the power transmitting / receiving unit to transmit the amount of power corresponding to the at least one lower graphic object to the other mobile terminal when the mobile terminal moves to a graphic object corresponding to the terminal,
Wherein,
When the touch of the at least one graphic object is moved to the graphic object corresponding to the other mobile terminal, considering the battery charging efficiency of the other mobile terminal for the wireless power signal transmitted to the other mobile terminal in the discharge mode Calculates a predicted remaining capacity of the battery of the other mobile terminal and displays on the touch screen a user interface indicating the estimated remaining capacity of the battery of the other mobile terminal after the end of the discharge mode. delete delete delete delete

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