KR101864619B1 - Mobile terminal and control method thereof - Google Patents

Abstract

The present invention relates to a mobile terminal and a control method thereof. A mobile terminal according to an exemplary embodiment of the present invention includes a power storage unit, a power receiver that receives power from an external power source wirelessly and is configured to charge the received power to the power storage unit, And a power management unit configured to select at least one of a first power supplied from the power storage unit and a second power supplied from the power receiving unit based on setting information related to power control.

Description

[0001] MOBILE TERMINAL AND CONTROL METHOD THEREOF [0002]

The present invention relates to a mobile terminal capable of wireless charging and a control method thereof.

The terminal is movable And may be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

As the functions of the terminal are diversified, the terminal is implemented in the form of a multimedia device having a combination of functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, have. Further, in order to support and enhance the function of the terminal, it may be considered to improve the structural and software parts of the terminal.

On the other hand, as a terminal has become more sophisticated, the battery consumption of the terminal is rapidly increasing. However, the user wants to use the terminal for a longer time as well as to enhance the performance of the terminal. Therefore, in order to satisfy such a demand of users, researches on reduction of wireless charging technology and battery consumption have been continued.

An object of the present invention is to make efficient use of a battery of a mobile terminal.

A mobile terminal according to an exemplary embodiment of the present invention includes a power storage unit, a power receiver that receives power from an external power source wirelessly and is configured to charge the received power to the power storage unit, And a power management unit configured to select at least one of a first power supplied from the power storage unit and a second power supplied from the power receiving unit based on setting information related to power control.

In an embodiment, the power management unit may be configured to receive the first power from the power storage unit, receive the second power from the power receiving unit, and receive the first and second received power And to supply the selected electric power to the electronic device.

The power management unit may be connected to the power storage unit through a first path and may be connected to the power reception unit through a second path, And may include a switch unit for switching.

In an embodiment, the power management unit may measure the amount of power of the supplied power when at least one of the first and second powers is supplied to the electronic device, and determine, based on the measured amount of power, 2 power, and to supply the reselected power to the electronic device.

In one embodiment of the present invention, when the supply of any one of the first and second powers to the electronic device is interrupted, the power management unit sets the other one of the first and second powers To be supplied to the electronic device.

In an embodiment, the mobile terminal may further include a controller for controlling the electronic device in response to a control command, and the setting information may include power source information during wireless charging for the control command.

In an embodiment, the mobile terminal may further include a body, wherein the control unit senses whether the body is located within an area capable of receiving the power from the power source wirelessly, May be configured to display information related to the selection of the amount of power of the power to be received from the power source on the screen.

In an embodiment, the control unit may be configured to control the frequency of the power receiving unit to limit the amount of power of the power that the power receiving unit wirelessly receives from the power supply based on information related to the power amount selection .

In an embodiment, the control unit may measure the amount of power of the power received by the power receiving unit wirelessly, and may transmit at least one of the amount of power information and the user information to the server.

One embodiment of the present invention relates to a control method of a mobile terminal including a power receiver for charging power received from an external power source wirelessly in a power storage unit. A control method for a mobile terminal according to an embodiment of the present invention includes the steps of loading setting information related to power control and setting the first information to be supplied to the electronic device based on the setting information, And selecting at least one of power and a second power supplied by the power receiving unit.

The control method of the mobile terminal may further include receiving the first power from the power storage unit, receiving the second power from the power receiving unit, receiving the second power from the power receiving unit, 1 and the second power, and supplying the selected power to the electronic device.

In one embodiment of the present invention, the control method of the mobile terminal further comprises the steps of: measuring at least one of the first and second powers supplied to the electronic device, the power amount of the supplied power; Reselecting at least one of the first and second powers, and supplying the reselected power to the electronic device.

In one embodiment of the present invention, the control method of the mobile terminal further comprises a step of, when one of the first and second powers is being supplied to the electronic element, And supplying one to the electronic device.

In the mobile terminal according to the embodiment of the present invention, a power source for the control operation during wireless charging can be selected. Accordingly, battery resources of the mobile terminal can be efficiently used. As a result, user convenience can be improved.

Further, the mobile terminal according to the embodiment of the present invention can allow the user to select the amount of power to be charged in the wireless charging. Thus, the public power resources can be efficiently used.

1 is a block diagram illustrating a mobile terminal according to the present invention.
2A and 2B are perspective views showing the appearance of a mobile terminal according to the present invention.
3 is a conceptual diagram of a communication system in which a mobile terminal according to the present invention is operable.
4 is a block diagram briefly showing an embodiment of a mobile terminal according to the present invention.
5 is a flow chart for explaining a control method of the mobile terminal according to FIG.
6 is a block diagram briefly showing another embodiment of a mobile terminal according to the present invention.
FIG. 7 is a flow chart for explaining a control method of the mobile terminal according to FIG.
FIGS. 8 to 10 are conceptual diagrams showing an example of the operation of the mobile terminal according to the control method of FIG. 5 or 7. FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art can easily carry out the technical idea of 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. In order to clearly explain the present invention, parts not related to the description are omitted, and like parts are denoted by similar reference numerals throughout the specification.

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 navigator, have. However, it should be understood that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless it is applicable only to a mobile terminal. It will be easy to see.

1 is a block diagram illustrating a mobile terminal 100 according to the present invention.

1, a 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 controller 160, an interface unit 170, a controller 180, and a power supply unit 190. The components shown in Fig. 1 are not essential, so that a mobile terminal having more or fewer components can be implemented.

Hereinafter, the components 110 to 190 of the mobile terminal 100 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 unit 114, and a location information module 115.

The broadcast receiving module 111 receives broadcast signals and broadcast related information from an external broadcast management server through a broadcast channel. Here, the broadcast-related information means information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast-related information can also be provided through a mobile communication network. In this case, the broadcast-related information may be received by the mobile communication module 112. The broadcast signal and the 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 radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. Such wireless signals may include various types of data depending on a voice call signal, a video call signal, a text message, or a multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may 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) and the like can be used as wireless Internet technologies.

The short-range communication unit 114 is a module for short-range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used.

The position information module 115 is a module for acquiring the position of the mobile terminal 100, and a representative example thereof is a Global Position System (GPS) module.

1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal and a video signal, and may include a camera 121, a microphone 122, and the like. The camera 121 processes image frames such as still images and moving images obtained by the image sensor in the video communication mode or the photographing mode. The image frame processed by the camera 121 can be displayed on the display unit 151. [ The image frame may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ More than two cameras 121 may be provided depending on the use environment.

The microphone 122 processes the sound signal input from the outside in the communication mode, the recording mode, the voice selection mode, and the like as electrical voice data. The voice data processed by the microphone 122 in the communication mode can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 and output. The microphone 122 may be implemented with various noise reduction algorithms for eliminating noise generated when an external sound signal is input.

The user input unit 130 generates input data for controlling the operation of the mobile terminal 100 by a user. The user input unit 130 may include a key pad, a dome switch, a touch pad (static pressure and static electricity), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as presence or absence of a user, the open / close state of the mobile terminal 100, position, orientation, acceleration, deceleration, And generates a sensing signal. For example, when the mobile terminal 100 is in the form of a slide phone, the sensing unit 140 may detect whether the slide phone is opened or closed. The sensing unit 140 may sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like.

The sensing unit 140 may include a proximity sensor 141. The sensing unit 140 may include a touch sensor (not shown) for sensing a touch operation with respect to the display unit 151.

The touch sensor may have the form of a touch film, a touch sheet, a touch pad, or the like. The touch sensor may be configured to convert a pressure applied to a specific portion of the display portion 151 or a change in capacitance generated at a specific portion of the display portion 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 touch pressure.

When the touch sensor and the display unit 151 have a mutual layer structure, the display unit 151 can be used as an input device in addition to the output device. The display unit 151 may be referred to as a 'touch screen'.

If there is a touch input via the touch screen, corresponding signals are sent to a touch controller (not shown). The touch controller processes the signals transmitted from the touch sensor, and then transmits data corresponding to the processed signals to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched.

In the case where the touch screen is electrostatic, it can be configured to detect the proximity of the sensing object by a change of the electric field along the proximity of the sensing target. Such a touch screen may be classified as proximity sensor 141. [

The proximity sensor 141 refers to a sensor that detects the presence or absence of an object to be sensed without mechanical contact using an electromagnetic force or infrared rays. The proximity sensor 141 has a longer life than the contact type sensor and its utilization is also high. Examples of the proximity sensor 141 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.

Hereinafter, for convenience of explanation, a proximity action is referred to as " proximity touch " while an object to be sensed does not touch the touch screen, and an action of touching the sensing object on the touch screen is called & touch ".

The proximity sensor 141 detects the presence or absence of a proximity touch and a proximity touch pattern (for example, a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, The information corresponding to the presence / absence of proximity touch and the proximity touch pattern can be output to the touch screen.

The output unit 150 generates an output related to visual, auditory, tactile, and the like. The output unit 150 may include a display unit 151, an audio output module 153, an alarm unit 154, and a haptic module 155.

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal 100 operates in the call mode, the display unit 151 displays a UI (User Interface) or a GUI (Graphic User Interface) related to the call. When the mobile terminal 100 operates in the video communication mode or the photographing mode, the display unit 151 displays the photographed image, the received image, the UI, the GUI, and the like.

The display unit 151 may be a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT-LCD), an organic light emitting diode (OLED), a flexible display display, a 3D display, and an e-ink display.

At least one display (or display element) included in the display unit 151 may be configured to be transparent or light transmissive so that the display can see the outside through it. This can be referred to as a transparent display. A typical example of such a transparent display is TOLED (Transparent OLED). 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 in 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 each other or positioned integrally with one another, and may be located on different surfaces.

The sound output module 153 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 selection mode, a broadcast reception mode, The sound output module 153 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The sound output module 153 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 154 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events generated in the mobile terminal 100 include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 154 may output a signal for informing occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The display unit 151 and the audio output module 153 may be classified as a part of the alarm unit 154 because the video signal or the audio signal can be output through the display unit 151 or the audio output module 153. [

The haptic module 155 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 155 is vibration. The intensity, pattern, and the like of the vibration generated by the tactile module 155 are controllable. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 155 may be configured to perform various functions such as a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, Various effects can be generated such as the effect of heat generation and the effect of reproducing the cold sensation using the heat absorbing or heatable element.

The haptic module 155 can be configured to not only transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sense of the finger or arm. At least two haptic modules 155 may be provided according to the configuration of the mobile terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input and output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data related to vibrations and sounds of various patterns that are output upon touch input on the touch screen.

The memory 160 may be a flash memory, a hard disk, a multimedia card micro type, a card type memory (e.g., SD or XD memory), a random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM) And may include at least one storage medium. The mobile terminal 100 may operate in association with a web storage that performs storage functions 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 supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, the interface unit 170 may include 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, Input / output ports, video I / O ports, earphone ports, and the like.

The identification module is a chip for storing various information for authenticating the usage right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module Universal Subscriber Identity Module (USIM)). A device equipped with an identification module (hereinafter referred to as "identification device") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

The interface unit 170 may be a path through which the power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle or various command signals input from the cradle by the user, (Not shown). The various command signals or power supplied from the cradle may also act as a signal for recognizing that the mobile terminal 100 is correctly mounted in the cradle.

The controller 180 controls the overall operation of the mobile terminal 100. For example, control and processing related to 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 control unit 180 may perform pattern selection processing for selecting handwriting input and drawing input on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

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

According to a hardware implementation, the embodiments described herein may be applied to various types of application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays Microprocessors, microprocessors, and other electronic units for performing other functions, as will be appreciated by those skilled in the art. In some cases, the embodiments described herein may be implemented by the controller 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code may be implemented in a software application written in a suitable programming language. Such software codes may be stored in the memory 160 and executed by the control unit 180. [

Hereinafter, a method of processing user input to the mobile terminal 100 will be described.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100, and may include a plurality of operation units. The operating units may also be referred to as manipulating portions and may be employed in any manner as long as they are operated in a tactile manner by the user's tactile sense.

Various kinds of time information can be displayed on the display unit 151. [ Such visual information can be displayed in the form of letters, numbers, symbols, graphics, icons, and the like, and can be formed as a three-dimensional stereoscopic image. At least one of a character, a number, a symbol, a graphic, and an icon may be displayed in a predetermined arrangement for inputting time information, thereby being implemented as a keypad. Such a keypad may be referred to as a so-called " soft key ".

The display unit 151 may operate as an entire area or may be divided into a plurality of areas and operated. In the latter case, the plurality of areas can be configured to operate in association with one another. For example, an output window and an input window may be displayed on the upper and lower portions of the display unit 151, respectively. The output window and the input window are areas allocated for outputting or inputting information, respectively. In the input window, a soft key with a number for inputting a telephone number may be output. When the soft key is touched, the number corresponding to the touched soft key is displayed in the output window. When the operating unit is operated, a call connection to the telephone number displayed in the output window may be attempted, or the text displayed in the output window may be entered into the application.

The display unit 151 or the touch pad may be configured to detect touch scrolling. The user can move the cursor or the pointer positioned on the displayed object, for example, the icon, on the display unit 151 by scrolling the display unit 151 or the touch pad. Further, when the finger is moved on the display unit 151 or the touch pad, the path along which the finger moves may be visually displayed on the display unit 151. [ This will be useful for editing the image displayed on the display unit 151. [

One function of the mobile terminal 100 may be executed in response to a case where the display unit 151 and the touch pad are touched together within a predetermined time range. In the case of being touched together, there may be a case where the user clamps the main body of the mobile terminal 100 using the thumb and index finger. At this time, one function of the mobile terminal 100 to be executed may be activation or deactivation for the display unit 151 or the touch pad, for example.

2A and 2B are perspective views showing the appearance of the mobile terminal 100 related to the present invention.

FIG. 2A shows a front side and one side of the mobile terminal 100, and FIG. 2B shows a rear side and the other side of the mobile terminal 100. FIG.

Referring to FIG. 2A, the mobile terminal 100 includes a bar-shaped terminal body. However, the mobile terminal 100 is not limited thereto, and may be realized in various forms such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are movably coupled to each other.

The terminal body includes a case (a casing, a housing, a cover, and the like) that forms an appearance. In the embodiment, the case may be divided into a front case 101 and a rear case 102. A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding of a synthetic resin or may be formed to have a metal material such as stainless steel (STS), titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input unit 130 (see FIG. 1), the microphone 122, the interface 170, can do.

The display unit 151 occupies a main portion of the front case 101. [ The audio output unit 152 and the camera 121 are located in a region adjacent to one end of the display unit 151 and the first user input unit 131 and the microphone 122 are located in a region adjacent to the other end. The second user input unit 132 and the interface 170 may be located on the sides of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100. [ The user input unit 130 may include a plurality of operation units 131 and 132.

The first or second operating units 131 and 132 can receive various commands. For example, the first operation unit 131 can receive commands such as start, end, scroll, and the like. The second operation unit 132 can receive commands such as adjusting the size of the sound output from the sound output unit 152, switching to the touch selection mode of the display unit 151, and the like.

Referring to FIG. 2B, a rear camera 121 'may be additionally mounted on the rear surface of the terminal body, that is, the rear case 102. The rear camera 121 'has a photographing direction opposite to that of the front camera 121 (see FIG. 2A), and may be configured to have pixels different from those of the front camera 121.

For example, the front camera 121 may be configured to have a low pixel, and the rear camera 121 'may be configured to have a high pixel. Accordingly, when the front camera 121 is used during a video call, when the user's face is photographed and the photographed image is transmitted to the other party in real time, the size of the transmitted data can be reduced. On the other hand, the rear camera 121 'can be used for the purpose of storing a high-quality image.

Meanwhile, the cameras 121 and 121 'may be installed in the terminal body so as to be rotated or popped up.

The flash 123 and the mirror 124 may be further positioned adjacent to the rear camera 121 '. The flash 123 emits light toward the subject when the user photographs the subject with the rear camera 121 '. The mirror 124 illuminates the user's face when the user photographs himself (self-photographing) using the rear camera 121 '.

A rear sound output unit 152 'may be additionally disposed on the rear surface of the terminal body. The rear sound output unit 152 'may perform a stereo function together with the front sound output unit 152 (see FIG. 2A), and may perform a speakerphone function during a call.

In addition to the antenna for communication, an antenna 116 for receiving broadcast signals may be additionally provided on the side surface of the terminal body. The antenna 116 constituting a part of the broadcast receiving module 111 (see FIG. 1) can be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the mobile terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the main body of the terminal or may be detachable from the outside of the main body of the terminal.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may be of a light transmission type like the display unit 151 (see FIG. 2A). Further, a back display unit for outputting time information can be additionally mounted on the touch pad 135. [ At this time, information output from both sides of the front display unit 151 and the rear display unit can be controlled by the touch pad 135. [

The touch pad 135 operates in correlation with the display unit 151. [ The touch pad 135 may be positioned parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

3 is a conceptual diagram of a communication system in which the mobile terminal 100 according to the present invention can operate.

The communication system may use different air interfaces and / or physical layers. For example, wireless interfaces that can be used by a communication system include Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA) , Universal Mobile Telecommunications Systems (UMTS) (especially Long Term Evolution (LTE)), Global System for Mobile Communications (GSM), and the like. Hereinafter, for the sake of convenience of description, the description will be limited to CDMA. However, it goes without saying that the present invention can be applied to all communication systems including CDMA wireless communication systems.

3, the CDMA wireless communication system includes a plurality of terminals 100, a plurality of base stations (BSs) 270, base station controllers (BSCs) 275, A Mobile Switching Center (MSC) The MSC 280 is configured to be coupled to the Public Switched Telephone Network (PSTN) 290 and is also configured to be coupled to the BSCs 275. BSCs 275 may be coupled in pairs with BS 270 through a backhaul line. The backhaul line may be provided according to at least one of E1 / T1, ATM, IP, PPP, Frame Relay, HDSL, ADSL or xDSL. Thus, a plurality of BSCs 275 may be included in the system shown in FIG.

Each BS 270 may comprise at least one sector, and each sector may comprise an omnidirectional antenna or an antenna pointing in a particular direction of radial from the BS 270. In addition, each sector may include two or more antennas of various types. Each BS 270 may be configured to support a plurality of frequency assignments and each of the plurality of frequency assignments has a specific spectrum (e.g., 1.25 MHz, 5 MHz, etc.).

The intersection of sector and frequency assignment may be referred to as a CDMA channel. BS 270 may be referred to as a Base Station Transceiver Subsystem (BTSs). In this case, the word "base station" may be referred to as a combination of one BSC 275 and at least one BS 270. [ The base station may also indicate a "cell site ". Alternatively, each of the plurality of sectors for a particular BS 270 may be referred to as a plurality of cell sites.

As shown in FIG. 3, a broadcasting transmitter (BT) 295 transmits a broadcasting signal to the terminals 100 operating in the system. The broadcast receiving module 111 shown in FIG. 1 is provided in the terminal 100 to receive a broadcast signal transmitted by the BT 295.

In addition, FIG. 3 illustrates several Global Positioning System (GPS) satellites 300. The satellites 300 help to locate at least one of the plurality of terminals 100. Although two satellites are shown in Figure 3, useful location information may be obtained by two or more satellites. The location information module 115 shown in FIG. 1 cooperates with satellites 300 to obtain desired location information. Here, you can track your location using all of the technologies that can track your location, as well as your GPS tracking technology. Also, at least one of the GPS satellites 300 may optionally or additionally be responsible for satellite DMB transmission.

Among the typical operations of a wireless communication system, BS 270 receives reverse link signals from various terminals 100. [ At this time, the terminals 100 are connecting a call, transmitting or receiving a message, or performing another communication operation. Each of the reverse link signals received by the particular base station 270 is processed by the particular base station 270. The data resulting from the processing is transmitted to the connected BSC 275. The BSC 275 provides call resource allocation and mobility management functions, including the organization of soft handoffs between the base stations 270. BSCs 275 also transmit the received data to MSC 280 and MSC 280 provides additional transport services for connection with PSTN 290. [ Similarly, the PSTN 290 communicates with the MSC 280, the MSC 280 connects with the BSCs 275, and the BSCs 275 communicate with the BSs 270 ).

As the mobile terminal 100 described above is improved in performance, battery consumption is rapidly increasing. However, the user desires to use the mobile terminal 100 for a longer time as well as to enhance the performance of the mobile terminal 100. [ Therefore, in order to satisfy such a demand of users, researches on reduction of wireless charging technology and battery consumption have been continued. Hereinafter, a mobile terminal 100 capable of efficiently using a battery in conjunction with wireless charging technology will be described with reference to the accompanying drawings.

4 is a block diagram briefly showing an embodiment of a mobile terminal 100 according to the present invention. Here, the contents already described with reference to FIG. 1 will be omitted. 4, the mobile terminal 100 may include a power storage unit 191, a power receiving unit 192, a power management unit 193, and an electronic device 182. Although not shown, the mobile terminal 100 may further include a controller 180 (see FIG. 1) that controls the electronic device 182 in response to a control command.

The power storage unit 191 is configured to be charged by an external power source. Accordingly, the power storage unit 191 can be charged by the power received through the power receiving unit 192. [ Also, the power storage unit 191 can supply power (hereinafter, referred to as 'first power') to the electronic device 182 mounted on the main body of the terminal.

The power receiving unit 192 is configured to detect a wireless charging area and receive power (wireless power) that is transmitted wirelessly from a wireless power transmission device (wireless charging device) corresponding to the sensed wireless charging area. At this time, the wireless power may be transmitted using a wireless power transmission scheme such as an inductive coupling scheme, a resonant coupling scheme, or a combination scheme thereof.

The power receiver 192 may include components required to receive wireless power according to the wireless power transmission scheme described above. For example, the power receiver 192 may include a coil for receiving radio power in the form of a magnetic field or electromagnetic field having oscillating characteristics.

Specifically, the power receiving unit 192 may include a secondary coil that induces a current by a changing magnetic field as a component according to an inductive coupling scheme. The power receiving unit 192 may include a coil and a resonance circuit that generates a resonance phenomenon by an electromagnetic field having a specific resonance frequency as a component according to a resonance coupling scheme.

The power receiving unit 192 can charge the power storage unit 191 using the power supplied or transmitted from the wireless power transmission device (wireless charger). At this time, the power receiving unit 192 may control the charging voltage, the charging current, the charging speed, and the like. The power receiving unit 192 may also supply power (hereinafter, referred to as 'second power') to the electronic device 182 mounted on the main body of the terminal, like the power storage unit 191.

The power management unit 193 can select at least one of the first power supplied from the power storage unit 191 and the second power supplied from the power receiving unit 192 based on the setting information related to the power control.

Specifically, the power storage unit 191 may be connected to the electronic device 182 via a first path P1, and the power receiving unit 192 may be connected to the electronic device 182 via a second path P2 . The first and second switches S1 and S2 may be connected to the power storage unit 191 and the power receiving unit 192, respectively. The power management unit 193 can select at least one of the first and second powers by transmitting signals to the first and second switches S1 and S2 based on the setting information related to the power control. The selected power may be supplied to the electronic device 182.

The mobile terminal 100 according to the embodiment of the present invention may be configured such that the power management unit 193 includes a first switch S1 connected to the power storage unit 191 and a second switch S1 connected to the power reception unit 192. [ By transmitting a signal to at least one of the switches S2, it is possible to select a power source for the control operation during wireless charging.

For example, for a function that uses a large amount of electric power such as downloading of multimedia contents, playback of multimedia contents, web search, image and video shooting, Wi-Fi function, Bluetooth function, etc., . Accordingly, battery resources of the mobile terminal 100 can be efficiently used.

FIG. 5 is a flowchart for explaining a control method of the mobile terminal 100 (see FIG. 4) according to FIG. 5, the mobile terminal 100 includes a power storage unit 191 (see FIG. 4), a power receiving unit 192 (see FIG. 4), a power management unit 193 ). ≪ / RTI >

First, step S110 is performed in which the power management unit 193 loads setting information related to power control.

Specifically, setting information associated with power control for each of the control commands can be preset. The setting information may include power source information during wireless charging for the control command.

Next, based on the setting information, step S120 is performed in which at least one of the first power supplied from the power storage unit 191 and the second power supplied from the power receiving unit 192 is selected.

Specifically, as described above, the power storage unit 191 determines whether to supply the first power to the electronic device 182 in accordance with the on / off state of the first switch S1 (see FIG. 4) . The power receiving unit 192 is also determined whether to supply the second power to the electronic device 182 in accordance with the on / off state of the second switch S2 (see Fig. 4).

The power management unit 193 can transmit a signal related to on / off of the switch to the first and second switches S1 and S2 based on the loaded setting information. Accordingly, the power management unit 193 can select at least one of the first and second powers to be supplied to the electronic device 182. [

6 is a block diagram briefly showing another embodiment of the mobile terminal 100 according to the present invention. Here, the contents already described with reference to FIG. 4 will be omitted. 6, the mobile terminal 100 may include a power storage unit 191, a power receiving unit 192, a power management unit 193, a switch unit 194, and an electronic device 182. Although not shown, the mobile terminal 100 may further include a controller 180 (see FIG. 1) that controls the electronic device 182 in response to a control command.

The power management unit 193 can select at least one of the first power supplied from the power storage unit 191 and the second power supplied from the power receiving unit 192 based on the setting information related to the power control.

The power management unit 193 may be connected to the power storage unit 191 via the first path P1 and may be connected to the power reception unit 192 through the second path P2. The power management unit 193 may receive the first power from the power storage unit 191 via the first path P1 and receive the second power from the power receiving unit 192 via the second path P2 . The power management unit 193 may include a switch unit 194 for switching the first and second paths P1 and P2, respectively.

The power management unit 193 can invoke the setting information related to the power control. Thereafter, the power management unit 193 can select at least one of the received first and second powers by controlling the switch unit 194 based on the setting information. The selected power may be supplied to the electronic device 182.

Meanwhile, although not shown, the power management unit 193 may include a measurement unit (not shown) for measuring the amount of power supplied to the electronic device 182 while at least one of the first and second power is supplied to the electronic device 182 .

The measurement unit (not shown) can measure and update the amount of electric power supplied to the electronic device 182 every predetermined period (for example, one second interval, one minute interval, etc.). In addition, the measurement unit (not shown) can measure the amount of power supplied to the electronic device 182 in response to the control command input by the user.

The power management unit 193 may reselect at least one of the first and second power based on the amount of power measured at the measurement unit (not shown). For example, when a function using a relatively small amount of power such as a text message function is executed, the first power supplied from the power storage unit 191 may be supplied to the electronic device 182. [ However, if the measured power of the measurement unit (not shown) exceeds a certain amount, the power management unit 193 controls the switch unit 194 so that the second power supplied from the power receiving unit 192 is supplied to the electronic device 182 Can be controlled again.

As described above, the mobile terminal 100 according to the embodiment of the present invention can select at least one of the first and second powers received by the power management unit 193 during wireless charging and supply the selected power to the electronic device 182 have. Accordingly, battery resources of the mobile terminal 100 can be efficiently used. As a result, user convenience can be improved.

FIG. 7 is a flowchart for explaining a control method of the mobile terminal 100 (see FIG. 6) according to FIG. 6), a power management unit 193 (see FIG. 6), a switch unit 194 (see FIG. 6), a power management unit And electronic device 182 (see FIG. 6).

First, the power management unit 193 receives the first power from the power storage unit 191 and the second power is received from the power receiving unit 192 (S210).

Specifically, the power management unit 193 receives the first power through the first path P1 (see FIG. 6) connected to the power storage unit 191, and the second path P2, 6). ≪ / RTI >

Next, step S220 is performed in which the power management unit 193 loads the setting information related to the power control. Thereafter, the power management unit 193 proceeds to step S230 of selecting at least one of the received first and second powers based on the setting information.

Specifically, the power management unit 193 may include a switch unit 194 for switching the first and second paths P1 and P2, respectively. The power management unit 193 can select at least one of the first and second powers to be supplied to the electronic element 182 by controlling the switch unit 194 based on the setting information.

On the other hand, although not shown, the power management unit 193, during the supply of either the first power or the second power to the electronic device 182, stops supplying any one of the first and second powers The switch portion 194 can be controlled again to supply one to the electronic device 182. [ For example, when the mobile terminal 100 leaves the wireless charging area while the second power supplied from the power receiving unit 192 is supplied to the electronic device 182 in response to the control command, the power management unit 193 The switch unit 194 can be controlled again so that the first power supplied from the power storage unit 191 is supplied to the electronic device 182. [

FIG. 8 is a conceptual diagram showing an operation example of the mobile terminal 200 according to the control method of FIG. 5 or FIG.

Referring to FIG. 8, the display unit 251 of the mobile terminal 200 may display a list of installed applications (hereinafter referred to as an 'application list'). The application list may include a summary description for each application and an execute button 252 for executing the configuration mode. The execution button 252 may display setting information related to power control for the corresponding application, for example, power source information during wireless charging.

For example, when a function using a small amount of power such as a text message, a news reading, etc. is executed, information set so that the first power (battery power) is supplied to the electronic element 182 (see Figs. 4 and 6) Can be displayed on the display unit 251. Further, when a function of using a relatively large amount of power such as a call, a chat, or the like is executed, information set so that the second power (radio received power) is supplied to the electronic element 182 may be displayed on the display unit 251 . Further, when a function of using a large amount of electric power such as reproduction of multimedia contents is executed, information set so that first and second power (battery power and wireless received power) are simultaneously supplied to the electronic device 182 is displayed on the display unit 251 ). ≪ / RTI >

The control unit 180 (see FIG. 1) may execute a setting mode for the application corresponding to the execute button 252 when a selection input to the execute button 252 is sensed. When the setting mode is executed, check boxes may be displayed on the display unit 251 so that the power source during wireless charging can be selected.

FIG. 9 is a conceptual diagram showing an operation example of the mobile terminal 200 according to the control method of FIG. 5 or FIG.

Referring to FIG. 9, during wireless charging, an icon 253 indicating that wireless charging is being performed may be displayed on the display unit 251 of the mobile terminal 200. When the call function is executed in the mobile terminal 200, the display unit 251 can display an execution screen of the call function.

At this time, the power supply source information 254 for the call function execution may be displayed on the execution screen of the call function. More specifically, information indicating that the second power (radio received power) is supplied to the electronic device 182 (see FIGS. 4 and 6) to be controlled when the call function is executed can be displayed on the execution screen of the call function.

 FIG. 10 is a conceptual diagram showing an example of the operation of the mobile terminal 200 according to the control method of FIG. 5 or FIG.

Referring to FIG. 10, information related to the selection of the amount of power to be charged in the display unit 251 may be displayed when the mobile terminal 200 enters an area (wireless charging area) capable of receiving power wirelessly. Specifically, the control unit 180 (see FIG. 1) controls the operation of the icon 255 so that the power receiving unit 192 (see FIGS. 4 and 6) can select the amount of power to be received wirelessly from the wireless power transmission device (wireless charger) Can be displayed on the display unit 251.

Thereafter, the power receiving unit 192 can receive power wirelessly from the wireless power transmission device (wireless charger) based on the selected power amount information. At this time, the icon 253a indicating the battery remaining amount may be changed to the icon 253b indicating that wireless charging is in progress and may be displayed on the display unit 251. [

On the other hand, based on the selected power amount information, the control unit 180 controls the frequency of the power receiving unit 192 to limit the amount of power that the power receiving unit 192 wirelessly receives from the wireless power transmission device (wireless charger) can do. For example, the control unit 180 may control the frequency of the coil included in the power receiving unit 192 so that a resonance phenomenon does not occur due to an electromagnetic field having a specific resonance frequency.

Meanwhile, although not shown, the control unit 180 measures the amount of power of the power received by the power receiving unit 192 from the wireless power transmission device (wireless charger) wirelessly, and transmits at least one of the amount of power information and the user information to the outside (E. G., An electrical supply company). The electricity supplier may charge the user for electricity using the received information.

Further, according to the embodiment disclosed herein, the above-described method can be implemented as a code that can be read by a processor on a medium on which the program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The mobile terminal described above can be applied to not only the configuration and method of the embodiments described above but also all or some of the embodiments may be selectively combined so that various modifications may be made to the embodiments It is possible.

Claims (13)

A power storage;
A power receiver configured to receive power from an external power source wirelessly and to charge the received power to the power storage unit; And
A power management unit configured to select at least one of a first power supplied from the power storage unit and a second power supplied from the power receiving unit based on setting information related to power control so that the selected power is supplied to the electronic device; And
And a control unit for controlling the electronic device in response to a control command,
The power management unit includes:
And selects at least one of the first power and the second power based on an amount of power used in control according to the control command,
Wherein the setting information includes power source information during wireless charging for the control command,
And at least one of the at least one application and the at least one of the first power and the second power is supplied to the electronic device during wireless charging, Further comprising a display unit for outputting a screen on which the power supply source information can be set by the user based on the received power supply information. The method according to claim 1,
The power management unit includes:
Receiving the first power from the power storage, receiving the second power from the power receiver, selecting at least one of the received first and second power based on the setting information, To the electronic device. 3. The method of claim 2,
The power management unit includes:
And a switch unit connected to the power storage unit through a first path and connected to the power receiving unit through a second path and switching the first and second paths based on the setting information, Mobile terminal. The method of claim 3,
The power management unit includes:
Wherein at least one of the first and second powers is supplied to the electronic device to measure a power amount of the supplied power and to reselect at least one of the first and second powers based on the measured power amount ), And to supply the reselected power to the electronic device. 5. The method of claim 4,
The power management unit includes:
Wherein when one of the first and second powers is supplied to the electronic device, the supply of the other one of the first and second powers to the electronic device is formed . delete The method according to claim 1,
Further comprising a body,
Wherein,
The power receiving unit detects whether the main body is located in an area capable of wirelessly receiving the power from the power source and displays the information related to the power amount selection of the power to be received from the power receiving unit on the display unit To the mobile terminal. 8. The method of claim 7,
Wherein,
Wherein the control unit controls the frequency of the power receiving unit to limit the power amount of the power received from the power source by the power receiving unit based on information related to the selection of the power amount. The method according to claim 1,
Wherein,
Wherein the power receiving unit is configured to measure a power amount of the power received wirelessly, and to transmit at least one of the power amount information and the user information to the server. delete delete delete delete

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