KR102323012B1 - Mobile device for providing wireless power - Google Patents

Abstract

The present invention relates to a mobile terminal capable of providing wireless power, comprising: a battery; In accordance with a wireless power start command or a wireless power stop command, wireless power transmission is started to the non-battery type neighboring device based on the power in the battery to operate the non-battery type neighboring device together or the neighboring device It includes a wireless power processing unit for stopping the transmission of the wireless power to the wireless power control unit for providing the wireless power start command or the wireless power stop command.

Description

A mobile terminal capable of providing wireless power {MOBILE DEVICE FOR PROVIDING WIRELESS POWER}

The present invention relates to a mobile terminal technology capable of providing wireless power, and more particularly, it can operate at all times through wired power regardless of whether the adjacent device is connected or not, and provides wireless power to the adjacent device based on battery power to provide wireless power to the adjacent device. It relates to a mobile terminal capable of providing wireless power capable of operating devices together.

Mobile terminals such as smartphones, tablets, and portable computers are powered by rechargeable batteries due to their nature. Recently, a mobile terminal supporting a wireless charging function has been widely used.

The wireless charging method used in mobile terminals can be largely divided into a resonance induction method (resonance method) and a magnetic induction method (induction method) charging. In the resonance method, wireless charging can be performed if the mobile terminal is within a certain distance without contacting the wireless charger. In the induction method, charging can be achieved only when the mobile terminal and the wireless charger are in direct physical contact.

On the other hand, wireless charging technology has become able to support reverse wireless charging in which a mobile terminal can charge other devices.

Korean Patent Publication No. 10-1844283 (2018.03.27) relates to a method and apparatus for sharing energy of a wireless device, wherein at least one adjacent device-the at least one adjacent device wirelessly transmits data or energy with the wireless device. A scanning unit that scans for a shareable device; a transmission method determining unit that determines an energy transmission method for sharing energy between a neighboring device of and the wireless device, a sharing unit that shares energy with the at least one neighboring device based on the energy transmission method, and the at least one and a transceiver for transmitting and receiving the data or energy to and from a neighboring device, wherein the energy sharing device checks the battery level and life time of each of the wireless device and the at least one neighboring device, and based on the check result, the Calculate a difference in battery level or a difference in lifetime between the wireless device and the at least one adjacent device, and based on whether the difference in battery level or the difference in life time corresponds to a preset threshold value, the at least one Determines whether immediate energy sharing with neighboring devices is required.

Korean Patent Registration No. 10-0736053 (June 29, 2007) relates to an apparatus and method for wirelessly sharing power by induction method. a rectifier that receives a DC input voltage and converts it into an AC voltage and outputs it, a second battery included in an external device as a power source of the first battery or charging the first battery by connecting to one of the current and the inverter It includes a power control conversion unit for providing power to charge, and a short-range communication unit for communicating with the external device.

Korean Patent Publication No. 10-1844283 (2018.03.27) Korean Patent Registration No. 10-0736053 (June 29, 2007)

An embodiment of the present invention is a mobile capable of providing wireless power that can be operated at all times through wired power regardless of whether the adjacent device is connected and can operate the adjacent device together by providing wireless power to the adjacent device based on battery power. We want to provide a terminal.

An embodiment of the present invention is to provide a mobile terminal capable of providing wireless power that can generate a wireless power start command according to an external event and receive wireless data according to operation from a nearby device through a short-range communication module.

An embodiment of the present invention recognizes the release timing of battery power through the feedback receiving process of the adjacent device and provides wireless power instantaneously for a specific period of time to control the wireless power release timing so that the battery power is not normally released. An object of the present invention is to provide a mobile terminal capable of providing wireless power.

Among the embodiments, a mobile terminal capable of providing wireless power includes a battery, a mobile terminal controller including the battery therein, and controlling the battery to be operated at all times through wired power regardless of whether a non-battery type adjacent device is connected or not; In accordance with a power start command or a wireless power stop command, wireless power transmission is started to the non-battery type neighboring device based on the power in the battery to operate the non-battery type neighboring device together or to the neighboring device. It includes a wireless power processing unit for stopping the transmission of the wireless power to the wireless power control unit for providing the wireless power start command or the wireless power stop command.

The non-battery type adjacent device may correspond to a mobile terminal case, a mobile terminal mounted joystick, or a mobile terminal holder.

When receiving an external event, the wireless power processing unit may start or stop the transmission of the wireless power through the wireless power start command or the wireless power stop command.

When the wireless power start command is generated according to the external event, the wireless power processing unit may receive wireless data according to the operation from the non-battery type adjacent device through a short-range communication module.

When the wireless power start command is generated according to an external event, the wireless power control unit may determine the duration of transmission of the wireless power based on the type of the external event.

The wireless power control unit may generate the wireless power stop command when the feedback from the non-battery type adjacent device is not received for a specific time during the duration of the wireless power transmission.

The wireless power control unit may disregard the wireless power start command and prohibit the generation of the wireless power when the remaining power of the battery is less than or equal to a specific standard.

The wireless power control unit may determine the specific criterion according to a user's setting.

When external wireless power is received, the wireless power processing unit may determine whether to bypass the external wireless power to the non-battery type adjacent device based on the remaining power of the battery.

In embodiments, a mobile terminal capable of providing wireless power includes a battery and the battery therein, and a mobile terminal controller that controls the battery to be operated at all times through wired power regardless of whether a battery-type adjacent device is connected, wireless power start In accordance with a command or a wireless power stop command, wireless power transmission is started to the battery-type adjacent device based on the power in the battery to operate the battery-type adjacent device together, or transmission of the wireless power to the adjacent device When the wireless power start command is generated according to the external event, a wireless power processing unit for receiving wireless data according to the operation from the battery-type adjacent device through a short-range communication module and the battery of the battery-type adjacent device and a wireless power control unit that provides the wireless power start command or the wireless power stop command according to the remaining amount.

The wireless power control unit may generate the wireless power stop command when the feedback from the battery-type adjacent device is not received for a specific time during the duration of the wireless power transmission.

The wireless power control unit may provide a command to stop the wireless power when the remaining power of the battery in the battery type adjacent device is greater than the remaining power of the battery.

The disclosed technology may have the following effects. However, this does not mean that a specific embodiment should include all of the following effects or only the following effects, so the scope of the disclosed technology should not be construed as being limited thereby.

The mobile terminal capable of providing wireless power according to an embodiment of the present invention can be operated at all times through wired power regardless of whether a non-battery type neighboring device or a battery type neighboring device is connected, and wirelessly to neighboring devices based on battery power. It can provide power to operate adjacent devices together.

A mobile terminal capable of providing wireless power according to an embodiment of the present invention may generate a wireless power start command according to an external event and receive wireless data according to an operation from an adjacent device through a near field communication module (NFC).

The mobile terminal capable of providing wireless power according to an embodiment of the present invention recognizes the release time of battery power through a feedback receiving process of an adjacent device and provides wireless power instantaneously only for a specific time so that the battery power is not normally discharged. The timing of wireless power release can be controlled.

Therefore, the mobile terminal capable of providing wireless power according to an embodiment of the present invention provides wireless power to other devices such as a mobile terminal case, a mobile terminal-mounted joystick, or a mobile terminal cradle located in an adjacent position with an internal battery so that other adjacent devices Allows you to perform predetermined actions.

1 is a diagram schematically showing a system for providing wireless power between a mobile terminal to which the present invention is applied and an adjacent device.
2 is a diagram illustrating a mobile terminal capable of providing wireless power according to an embodiment of the present invention.
3 is a flowchart illustrating an exemplary process in which a mobile terminal is mounted on a joystick to provide wireless power according to an embodiment of the present invention.
4 is a flowchart illustrating an exemplary process in which a mobile terminal is inserted into a case and provides wireless power according to an embodiment of the present invention.

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiment described in the text. That is, since the embodiment may have various modifications and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the present invention is limited thereby.

On the other hand, the meaning of the terms described in the present application should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from another, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly, a second component may also be termed a first component.

When a component is referred to as being “connected” to another component, it should be understood that the component may be directly connected to the other component, but other components may exist in between. On the other hand, when it is mentioned that a certain element is "directly connected" to another element, it should be understood that the other element does not exist in the middle. Meanwhile, other expressions describing the relationship between elements, that is, “between” and “immediately between” or “neighboring to” and “directly adjacent to”, etc., should be interpreted similarly.

The singular expression is to be understood to include the plural expression unless the context clearly dictates otherwise, and terms such as "comprises" or "have" refer to the embodied feature, number, step, action, component, part or these It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

Identifiers (eg, a, b, c, etc.) in each step are used for convenience of description, and the identification code does not describe the order of each step, and each step clearly indicates a specific order in context. Unless otherwise specified, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

The present invention can be embodied as computer-readable codes on a computer-readable recording medium, and the computer-readable recording medium includes all types of recording devices in which data readable by a computer system is stored. . Examples of the computer-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms defined in general used in the dictionary should be interpreted as being consistent with the meaning in the context of the related art, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present application.

1 is a diagram schematically showing a system for providing wireless power between a mobile terminal to which the present invention is applied and an adjacent device.

Referring to FIG. 1 , a mobile terminal 100 capable of providing wireless power according to an embodiment may provide wireless power to other external devices 200 located in adjacent locations. Here, the mobile terminal 100 may include a battery therein, and may transmit wireless power to the adjacent device 200 based on power in the battery. The mobile terminal 100 may transmit wireless power instantaneously only for a specific time by recognizing the connection time with the adjacent device 200 without discharging battery power during normal times.

The adjacent device 200 may receive wireless power provided by the mobile terminal 100 at a location adjacent to the mobile terminal 100 and may perform a predetermined operation according to the wireless power. In an embodiment, the adjacent device 200 is another external device capable of operating in a location adjacent to the mobile terminal 100 and may correspond to a mobile terminal case, a mobile terminal mounted joystick, or a mobile terminal holder. Here, the neighboring device 200 may include a non-battery type neighboring device 210 and a battery type neighboring device 220 . When wireless power is received from the mobile terminal 100 , the adjacent device 200 may perform an operation by receiving a predetermined operation code or receiving an operation code from the mobile terminal 100 . In the case of the non-battery type adjacent device 210 , a predetermined operation may be performed by receiving wireless power from the mobile terminal 100 according to an embodiment, even if a battery is not included therein. In the case of the battery-type adjacent device 220 , a predetermined operation may be performed by receiving wireless power from the mobile terminal 100 according to an embodiment according to the remaining amount of a battery included therein.

2 is a diagram illustrating a mobile terminal capable of providing wireless power according to an embodiment of the present invention.

Referring to FIG. 2 , the mobile terminal 100 capable of providing wireless power may include a battery 110 , a mobile terminal control unit 120 , a wireless power processing unit 130 , a wireless power control unit 140 , and a control unit 150 . have.

The battery 110 is a power source of the mobile terminal 100 , and may be charged and used. For example, the battery 110 may be implemented as a lithium ion battery. In an embodiment, the battery 110 may be charged by receiving external wireless power, and power of the battery 110 may be provided as a power source of the adjacent device 200 .

The mobile terminal controller 120 may include the battery 110 therein, and may control the battery 110 to be always operated through wired power regardless of whether the adjacent device 200 is connected.

The wireless power processing unit 130 starts transmission of wireless power to the adjacent device 200 based on the power in the battery 110 according to a wireless power start command or a wireless power stop command to operate the adjacent device 200 together. Alternatively, the transmission of wireless power to the adjacent device 200 may be stopped. In an embodiment, when receiving an external event, the wireless power processing unit 130 may start or stop the transmission of wireless power through a wireless power start command or a wireless power stop command. Here, when receiving an external event, the wireless power processing unit 130 may start or stop the transmission of wireless power according to the connected adjacent device 200 .

For example, when a call is received while the mobile terminal 100 is inserted into the mobile terminal case as the adjacent device 200, wireless power transmission is started to the mobile terminal case, and the mobile terminal case emits light in a specific color. (100) may perform a designated operation indicating that the call reception state.

For example, when the mobile terminal 100 receives a call while the mobile terminal 100 is mounted on the joystick mounted on the mobile terminal as the adjacent device 200, wireless power is stopped to the joystick mounted on the mobile terminal to stop the joystick adjustment operation and the mobile terminal 100 ) can make phone calls work.

In an embodiment, when a wireless power start command is generated according to an external event, the wireless power processing unit 130 may receive wireless data according to the operation from the adjacent device 200 through the short-range communication module. Here, NFC may be used as the short-distance communication module, and wireless communication technologies such as Bluetooth, infrared communication, and Wi-Fi Direct may be used without being limited thereto.

NFC (Near Field Communication) is a next-generation IT technology that enables payment and information transmission by touching a smartphone at a short distance. As one of RFID (Radio-Frequency Identification), it is a non-contact short-distance wireless communication module using the 13.56 MHz frequency band, which means a technology to transmit data between terminals at a distance of 10 cm. system, and health care system. NFC has the advantage of being strong in security while having a short communication distance.

For example, the wireless power processing unit 130 generates a wireless power start command according to an external event in a state in which the mobile terminal 100 is mounted on the mobile terminal mounted joystick as the adjacent device 200 , and power in the battery 110 . When the mobile terminal mounted joystick is provided with wireless power, operation data of the joystick may be received through NFC.

In an embodiment, when the external wireless power is received, the wireless power processing unit 130 may determine whether to bypass the external wireless power to the adjacent device 200 based on the remaining power of the battery 110 . For example, the wireless power processing unit 130 may determine to bypass the received external wireless power to the adjacent device 200 when the remaining power of the battery 110 is 90% or more.

The wireless power control unit 140 may provide a wireless power start command or a wireless power stop command. In an embodiment, when a wireless power start command is generated according to an external event, the wireless power control unit 140 may determine the duration of wireless power transmission based on the type of the external event. For example, when a call reception event occurs while the mobile terminal 100 is inserted into the mobile terminal case as the adjacent device 200, the wireless power processing unit 130 continues to transmit wireless power while continuing the phone call to the mobile terminal. The case can perform an operation to emit light of a specific color. Here, the transmission duration (DurationS _{A, B} ) of the wireless power can be expressed by the following equation.

[Equation]

는 전화를 송신 및 수신한 총 통화 시간,

는 전화 수신한 총 통화시간을 각각 의미한다.here,

is the total time of calls sent and received,

is the total number of calls received.

In an embodiment, the wireless power control unit 140 may generate a wireless power stop command when the feedback from the adjacent device 200 is not received for a specific time during the wireless power transmission duration. Here, the mobile terminal 100 may transmit wireless power to the adjacent device 200 and then receive feedback to recognize the connection with the adjacent device 200 . When the feedback of the adjacent device 200 is not received, the wireless power control unit 140 may recognize that the adjacent device 200 is separated from the mobile terminal 100, and at this time, generates a wireless power stop command to generate a battery ( 110) so that no more power is released.

In an embodiment, the wireless power control unit 140 may prohibit the generation of wireless power by ignoring the wireless power start command when the remaining power of the battery 110 is less than or equal to a specific standard. Here, the specific criterion may be determined according to a user's setting. For example, when the remaining power of the battery 110 is 10% or less, which is a reference determined according to a user's setting, the wireless power control unit 140 may ignore the wireless power start command and prohibit the generation of wireless power. Accordingly, wireless power may be provided to the adjacent device 200 while managing the remaining power of the battery 110 so that the battery 110 is not completely discharged.

In an embodiment, when the adjacent device 200 is the battery-type adjacent device 220 , the wireless power control unit 140 may control a wireless power start command or wireless power according to the remaining amount of a battery included in the battery-type adjacent device 220 . A stop order may be provided. Here, when the remaining power of the battery in the battery type adjacent device 220 is greater than the remaining power of the battery 110 in the mobile terminal 100, the wireless power control unit 140 may provide a wireless power stop command. have.

The control unit 150 controls the overall operation of the mobile terminal 100 capable of providing wireless power, and the mobile terminal control unit 120 including the battery 110 therein, the wireless power processing unit 130 and the wireless power control unit 140 . may be electrically connected to to control a control flow or data flow between them. In an embodiment, the controller 150 may be implemented as a processor of the mobile terminal 100 capable of providing wireless power.

In one embodiment, the mobile terminal 100 capable of providing wireless power may provide wireless power to the adjacent device 200 that can operate in adjacent locations, such as a mobile terminal case, a mobile terminal mounted joystick, and a mobile terminal holder, and the Of course, it can be applied to various external devices such as digital door locks and touch pens.

3 is a flowchart illustrating an exemplary process in which a mobile terminal is mounted on a joystick to provide wireless power according to an embodiment of the present invention.

In FIG. 3 , the mobile terminal 100 capable of providing wireless power may transmit wireless power to the joystick 300 based on the power in the battery 110 when the game starts while mounted on the joystick 300 ( step S310).

The joystick 300 may receive wireless power to perform an adjustment operation according to a user operation, and may provide data according to the adjustment operation to the mobile terminal 100 through NFC (step S320).

The mobile terminal 100 capable of providing wireless power may receive the manipulation data of the joystick 300 through NFC and proceed with a game corresponding to the manipulation data (step S330). The mobile terminal 100 capable of providing wireless power may convert the control operation of the joystick 300 into a game command to proceed with the game.

The mobile terminal 100 capable of providing wireless power transmits wireless power when the remaining power of the battery 110 becomes less than or equal to a specific standard, when a game in progress is finished, and when an external event (eg, a phone call) is received. can be stopped (step S340).

Accordingly, the mobile terminal-mounted joystick 300 may perform an adjustment operation with the wireless power of the mobile terminal 100 capable of providing wireless power without a separate battery.

4 is a flowchart illustrating an exemplary process in which a mobile terminal is inserted into a case and provides wireless power according to an embodiment of the present invention.

In FIG. 4 , the mobile terminal 100 capable of providing wireless power provides the case 400 based on the power in the battery 110 when an external event (eg, a phone call or text reception) occurs while being mounted on the case 400 . Wireless power may be transmitted (step S410).

The case 400 may provide lighting of a specific color through LED emission control while wireless power is received, and may provide feedback to the mobile terminal 100 for wireless power reception (step S420). Here, the specific color may be variously determined according to user settings. For example, a color may be set differently depending on the type of event, such as green for receiving a call and yellow for receiving a text.

The mobile terminal 100 capable of providing wireless power transmits wireless power from the case 400 when the remaining power of the battery 110 is less than or equal to a specific standard, when an external event (eg, phone call, text confirmation) ends, and from the case 400 . When no feedback is received for a specific time (eg, case separation), the transmission of wireless power may be stopped (step S330).

Accordingly, the mobile terminal case 400 may operate together with the mobile terminal 100 with the wireless power of the mobile terminal 100 capable of providing wireless power without a separate battery.

The mobile terminal 100 capable of providing wireless power according to an embodiment of the present invention can provide wireless power to a non-battery-type adjacent device or a battery-type adjacent device by using the power in the battery in the same manner as described above. , a non-battery type adjacent device can perform a predetermined operation without including a separate battery, thereby reducing the discharge of waste batteries, and wirelessly receiving data according to the operation of the adjacent device through a short-distance communication module to a mobile terminal and adjacent devices can be operated together.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that it can be done.

100: mobile terminal capable of providing wireless power
110: battery 120: mobile terminal control unit
130: wireless power processing unit 140: wireless power control unit
150: control unit
200: adjacent device
210: non-battery type adjacent device
220: battery type adjacent device
300: mobile terminal mounted joystick
400: mobile terminal case

Claims (11)

battery;
a mobile terminal controller including the battery therein and controlling the battery to be operated at all times through wired power regardless of whether a non-battery type adjacent device is connected;
In accordance with a wireless power start command or a wireless power stop command, wireless power transmission is started to the non-battery type neighboring device based on the power in the battery to operate the non-battery type neighboring device together or the neighboring device a wireless power processing unit for stopping the transmission of the wireless power to; and
A wireless power control unit for providing the wireless power start command or the wireless power stop command,
The wireless power control unit
When the wireless power start command is generated according to an external event, a mobile terminal capable of providing wireless power, characterized in that the transmission duration of the wireless power is determined based on the type of the external event.
The device of claim 1 , wherein the non-battery type adjacent device comprises:
A mobile terminal capable of providing wireless power, characterized in that it corresponds to a mobile terminal case, a mobile terminal cradle type joystick, or a mobile terminal cradle.
According to claim 1, wherein the wireless power processing unit
When an external event is received, the wireless power providing mobile terminal, characterized in that it starts or stops the transmission of the wireless power through the wireless power start command or the wireless power stop command.
The method of claim 3, wherein the wireless power processing unit
When the wireless power start command is generated according to the external event, the wireless power supply capable mobile terminal, characterized in that receiving the wireless data according to the operation from the non-battery type adjacent device through a short-range communication module.
delete According to claim 1, wherein the wireless power control unit
The wireless power providing capable mobile terminal, characterized in that generating the wireless power stop command when the feedback of the non-battery type adjacent device is not received for a specific time during the course of the wireless power transmission duration.
According to claim 1, wherein the wireless power control unit
A mobile terminal capable of providing wireless power, characterized in that the wireless power generation is prohibited by ignoring the wireless power start command when the remaining power of the battery is less than or equal to a specific standard.
The method of claim 7, wherein the wireless power control unit
A mobile terminal capable of providing wireless power, characterized in that the specific criterion is determined according to a user's setting.
According to claim 1, wherein the wireless power processing unit
When external wireless power is received, the mobile terminal capable of providing wireless power, characterized in that it is determined whether to bypass the external wireless power to the non-battery type adjacent device based on the remaining power of the battery.
battery;
a mobile terminal control unit including the battery therein and controlling the battery to be operated at all times through wired power regardless of whether a battery-type adjacent device is connected;
In accordance with a wireless power start command or a wireless power stop command, wireless power transmission is started to the battery-type adjacent device based on the power in the battery to operate the battery-type adjacent device together, or the wireless power to the adjacent device a wireless power processing unit that stops the transmission of power and receives wireless data according to the operation from the battery-type adjacent device through a short-range communication module when the wireless power start command is generated according to an external event; and
Comprising a wireless power control unit for providing the wireless power start command or the wireless power stop command according to the remaining battery power of the battery type adjacent device,
The wireless power control unit
A mobile terminal capable of providing wireless power, characterized in that the wireless power stop command is generated when the feedback from the battery-type adjacent device is not received for a specific time during the duration of the wireless power transmission.
delete

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