KR20110111828A - Mobile terminal for supporting multi operating system, docking station, and processing method thereof - Google Patents

Mobile terminal for supporting multi operating system, docking station, and processing method thereof Download PDF

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Publication number
KR20110111828A
KR20110111828A KR1020100031106A KR20100031106A KR20110111828A KR 20110111828 A KR20110111828 A KR 20110111828A KR 1020100031106 A KR1020100031106 A KR 1020100031106A KR 20100031106 A KR20100031106 A KR 20100031106A KR 20110111828 A KR20110111828 A KR 20110111828A
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KR
South Korea
Prior art keywords
docking
operating system
portable terminal
docking station
unit
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KR1020100031106A
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Korean (ko)
Inventor
박찬범
이춘경
허성민
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주식회사 케이엠알아이
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Priority to KR1020100031106A priority Critical patent/KR20110111828A/en
Publication of KR20110111828A publication Critical patent/KR20110111828A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1622—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with enclosures rotating around an axis perpendicular to the plane they define or with ball-joint coupling, e.g. PDA with display enclosure orientation changeable between portrait and landscape by rotation with respect to a coplanar body enclosure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1683—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts for the transmission of signal or power between the different housings, e.g. details of wired or wireless communication, passage of cabling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/223—Execution means for microinstructions irrespective of the microinstruction function, e.g. decoding of microinstructions and nanoinstructions; timing of microinstructions; programmable logic arrays; delays and fan-out problems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
    • G06F9/4413—Plug-and-play [PnP]
    • G06F9/4415—Self describing peripheral devices

Abstract

The present invention relates to a portable terminal, a docking station, and a driving method thereof that support multiple operating systems.
According to the present invention, when the portable terminal detects the combination with the docking station, the operating system is determined by referring to the docking information in which the operating system is set for each situation, and the operating system of the portable terminal is changed accordingly.

Description

Mobile terminal for supporting multi operating system, docking station, and driving method thereof

The present invention relates to a mobile terminal and a docking station supporting multiple operating systems, and a driving method thereof. More particularly, the present invention relates to a user environment by changing an operating system or a resolution using docking information when the mobile terminal is used in combination with a docking station. The present invention relates to a portable terminal and a docking station for supporting multiple operating systems capable of optimizing the same, and a method of driving the same.

As semiconductor and wireless communication technologies are gradually developed, portable terminals have various additional functions such as cameras, MP3s, the Internet, games, etc., in addition to basic telephone call functions, thereby enabling the use of portable terminals. In recent years, smart phones, which have been enhanced with such functions, have begun to spread, and various application programs that can be used in smart phones have been developed in line with this trend.

However, since the mobile terminal operates only by one operating system set in the manufacturing process and can only run applications supporting the operating system, applications that do not support the operating system mounted on the portable terminal cannot run. Accordingly, the content provider (CP) has a hassle to produce an application program for each terminal manufacturer (ie, for each operating system). In addition, since a general computer application program other than an application program made exclusively for a portable terminal is not available at all, there is a problem in that various applications cannot be used.

On the other hand, since the portable terminal must consider portability and mobility, there is no limit to the size of the terminal, thereby limiting the screen size, resolution, speaker performance, and the like.

In the related art, in order to utilize data, sound source files, and contents stored in a portable terminal in a better use environment, a device (docking station) that can be used by connecting the portable terminal to a laptop or a computer has been developed. Computers and the like have been used to output data, sound source files, content, etc. stored in the portable terminal to a larger screen and a good performance speaker.

However, such a method is a method of reading and outputting data, sound source files, contents, etc. stored in a portable terminal while being driven by its own processor embedded in a laptop or a computer. Therefore, the portable terminal only serves as a simple external storage device.

In addition, although some docking stations operate by an operating system installed in the portable terminal and can output video or audio by themselves, this is because the operating system of the portable terminal does not support changing the resolution, so that the docking station displays the screen of the portable terminal. There is a problem in that the image quality is degraded by simply expanding and outputting a low resolution video signal corresponding to the size. Furthermore, since the use environment of the portable terminal must be used as it is when the portable terminal and the docking station are combined, there is a problem that the advantage of the docking station cannot be utilized to the maximum.

The present invention was devised to solve the above problems, and an object of the present invention is to provide a portable terminal supporting multiple operating systems that can change the operating system of the portable terminal into an operating system suitable for the docking station when the portable terminal and the docking station are combined. And a driving method thereof.

It is another object of the present invention to provide a mobile terminal with an operating system stored in a docking station when the portable terminal and the docking station are combined to change the operating system of the portable terminal to support multiple operating systems that can maximize the utilization of the portable terminal and the docking station. To provide a portable terminal and a docking station for the same.

Another object of the present invention is to provide a mobile terminal and a driving method thereof that support multiple operating systems that can be used by changing the operating system according to the application program to be used.

Still another object of the present invention is to provide a mobile terminal supporting multiple operating systems that automatically change the operating system and resolution when combining and / or detaching the docking station by using docking information in which the operating system and resolution are preset for each docking station, and It is to provide a driving method.

Another object of the present invention is to provide a docking station for a mobile terminal that supports multiple operating systems that can easily change the operating system and resolution of the mobile terminal using a touch panel provided in the docking station.

For this purpose, a portable terminal supporting multiple operating systems of one embodiment of the present invention includes a storage device that stores two or more operating systems, boot information, and docking information; A docking coupler coupled to the docking station; And a control unit for changing the operating system corresponding to the docked docking station by loading docking information preset by the operating system for each situation when the docking detection signal is received from the docking coupling unit.

In addition, a docking station for a portable terminal supporting multiple operating systems of one embodiment of the present invention includes a docking coupling portion coupled to the portable terminal; A display unit configured to process and display an image signal transmitted from the portable terminal through the docking coupler; And a storage device configured to store at least one operating system, and to transmit a predetermined operating system or an operating system selected by a user to the portable terminal when the docking coupling unit senses the coupling of the portable terminal.

On the other hand, a driving method of a portable terminal supporting multiple operating systems of one embodiment of the present invention includes the steps of: a) detecting a combination of the portable terminal and the docking station; b) determining an operating system with reference to docking information in which the operating system is set for each situation; And c) changing an operating system of the portable terminal.

According to the present invention, when the portable terminal and the docking station are combined, the operating system of the portable terminal is changed to an operating system suitable for the docking station, thereby optimizing the use environment of the portable terminal and the docking station.

According to the present invention, when the portable terminal and the docking station are combined, the operating system stored in the docking station is provided to the portable terminal to change the operating system of the portable terminal, even though the portable terminal does not have an operating system for the docking station. Has the effect that can be used.

In addition, according to the present invention, by using docking information in which the operating system and resolution are preset for each docking station, the operating system and the resolution may be automatically changed according to a situation when the docking station is combined and / or separated.

In addition, according to the present invention, the touch panel provided in the docking station can be easily changed to an operating system and resolution optimized for an application program.

1 is a block diagram of a portable terminal supporting multiple operating systems according to an embodiment of the present invention.
2 is a block diagram of a docking station for a portable terminal supporting multiple operating systems according to an embodiment of the present invention.
3 is a diagram illustrating a memory structure of an internal storage unit and an external storage unit of a portable terminal according to the present invention.
4 is a diagram illustrating a structure of docking information according to the present invention.
5 is a flowchart illustrating a driving method (boot operation) of a portable terminal supporting multiple operating systems according to an embodiment of the present invention.
6 is a flowchart illustrating a driving method (dock monitoring operation) of a portable terminal supporting multiple operating systems according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments. In the following description, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unnecessarily obscure.

First, FIG. 1 is a block diagram of a portable terminal supporting multiple operating systems according to an embodiment of the present invention. For reference, with respect to the description of the portable terminal according to the present invention, a part related to a general known technology will be described schematically and a part related to the technical features of the present invention will be described in detail later.

Referring to FIG. 1, the mobile terminal 100 according to the present invention includes a wireless communication unit 101, a memory unit 102, an internal storage unit 103, an external storage unit 104, a camera unit 105, The image input / output device unit 106, the display unit 107, the image processor 108, the input / output unit 109, the keypad unit 110, the touch pad unit 111, the audio processing unit 112, the power supply unit 113, Docking coupling unit 114, the control unit 115 and the like.

First, the wireless communication unit 101 performs wireless communication with the base station by using a communication technology such as CDMA, WCDMA, WiMAX, LTE. In addition, the wireless communication unit 101 may perform short-range communication using a short-range communication technology such as Bluetooth, Zigbee, or the like.

The memory unit 102, the internal storage unit 103, and the external storage unit 104 are responsible for the data storage function in the portable terminal. For reference, the memory unit 102 may be embodied as a RAM, the internal storage unit 103 may be embodied as a flash memory, and the external storage unit 104 is embodied as an SD card, a USB memory, or the like. Can be.

The camera unit 105, the image input / output unit 106, the display unit 107, and the image processing unit 108 are responsible for the image processing function in the portable terminal. For reference, the camera unit 105 may include a camera to capture an image, the image input / output device unit 106 is responsible for input / output of an image signal to an external device, and the display unit 107 displays the image signal on the display panel. Display on. The image processor 109 is responsible for processing the image signal input through the camera unit 105 and the image signal output through the display unit 107.

The input / output unit 109, the keypad unit 110, the touch pad unit 111, and the audio processing unit 112 are responsible for the input / output function in the portable terminal. For reference, the input and output is a concept encompassing the input and output of the video signal, the input and output of the audio signal, key input or touch input, etc. In FIG. 1, in order to highlight the characteristics of the mobile terminal, the keypad unit 110 and the touch pad unit 111 are used. And audio processing unit 112 are separately shown. Here, the keypad 110 receives a key input from the user, and the touch pad 111 detects a user's touch and uses it as input information. The audio processor 112 processes the audio signal input and output.

The power supply unit 113 includes a battery to operate while being portable, and supplies power to operate the portable terminal 100.

The docking coupling unit 114 is a portion that is coupled to the docking coupling unit 204 of the docking station 200, the interface for the image input and output, the interface for voice input and output, the interface for data input and output, the power source and the docking station 200 Supply means, docking detection means, and the like.

In addition, the controller 115 is implemented by a processor or the like to perform a function of controlling each component of the above-described portable terminal.

4 is a block diagram of a docking station for a portable terminal supporting multiple operating systems according to an embodiment of the present invention. For reference, in connection with the description of the docking station according to the present invention, the parts related to the general known technology will be described schematically and the parts related to the technical features of the present invention will be described in detail later.

Referring to FIG. 4, the docking station 400 according to the present invention includes an external storage unit 401, a display unit 402, an audio device unit 403, a docking coupling unit 404, an input / output unit 405, The keypad part 406, the touch pad part 407, the power supply part 408, etc. are included.

First, the external storage unit 104 may be implemented as an SD card, a USB memory, or the like, and may store data by supplementing a storage device of the portable terminal. In addition, the display unit 402 displays the image signal transmitted from the mobile terminal through the docking coupler 204 on the display panel, and the audio device unit 203 is implemented as a speaker or the like through the docking coupler 204. Outputs an audio signal transmitted from the mobile terminal.

The docking coupler 204 is a portion coupled to the docking coupler 114 of the mobile terminal 100. The docking coupling unit 204 is an interface for video input / output, an interface for voice input / output, an interface for data input / output, and a power supply. Supply means and the like.

When the portable terminal is coupled to the docking station, the input / output unit 205, the keypad unit 206, and the touch pad unit 207 are in charge of the input / output unit, the keypad unit, the touch pad unit, and the like. The power supply unit 208 includes a battery or is connected to a general power line to supply power to the docking station 200.

In the above, the respective components of the mobile terminal 100 and the docking station 200 according to the present invention has been described in outline, general descriptions thereof may be referred to well-known technology, and thus description thereof is omitted herein.

Next, the parts related to the technical features of the present invention will be described in detail with reference to FIGS. 1 to 6.

The portable terminal 100 according to the present invention stores two or more operating systems in order to support multiple operating systems. Here, the basic operating system (eg, the first operating system) for driving the portable terminal is stored in the internal storage unit 103 of the portable terminal, and the remaining complementary operating systems (eg, the second to nth operating systems) are internal storage devices. The unit 103 may be stored in the unit 103, the external storage unit 104, or the external storage unit 201 of the docking station.

3 is a diagram illustrating a memory structure of an internal storage unit and an external storage unit of a portable terminal according to the present invention.

Referring to FIG. 3, a memory configuration of an internal storage unit of a portable terminal according to the present invention includes a boot loader, boot information, docking information, a first operating system, an application program, a user area, and the like. Operating system information, second to n-th operating systems, applications, user areas, and the like.

Here, the boot information is information on an operating system to be loaded, and the docking information is information on an operation, a function, a setting, etc. of the portable terminal according to whether the docking is performed. The operating system information is information about an operating system (second to nth operating systems) stored in the external storage unit and its location.

In this regard, FIG. 4 is a diagram illustrating a structure of docking information according to the present invention.

Referring to FIG. 4, the docking information includes information on a basic operating system and resolution when the portable terminal is in a detached state, and information on an operating system and resolution set for each docking station when the portable terminal is in a combined state with the docking station. . It also includes information on the default operating system and resolution in case there is no preset docking station in the coupled state.

For reference, identification information of the docking station (that is, information of knowing which docking station) may be obtained by receiving docking station information stored in an external storage unit of the docking station when the portable terminal is combined with the docking station. The docking station information includes a docking station identifier (eg, a model name), a recommended operating system, a recommended resolution, and the like.

5 is a flowchart illustrating a method of driving a portable terminal supporting multiple operating systems according to an embodiment of the present invention. For reference, FIG. 5 illustrates an operation of selecting an operating system in a booting process of a mobile terminal.

First, in step S510, when the power of the portable terminal is turned on or reset, in step S520, the portable terminal drives the boot loader, and thus the boot loader initializes the necessary device.

In operation S530, the boot loader loads boot information and docking information. For reference, the boot information and the docking information may be set and stored in the boot loader, and the operating system may be easily changed by enabling the setting and storing of the boot information and the docking information in the upper application of the operating system.

When the loading of the boot information and the docking information is completed, in step S540, the portable terminal determines whether the docking is performed and displays the loaded boot information on the screen. The user sees the displayed boot information, and if a change is necessary, in step S550, the desired boot information is input. For reference, the input of the boot information may be implemented to be easily selected by enabling input using not only a keypad but also a touch pad.

If there is a user input in step S550, in step S570, the portable terminal loads the operating system according to the user input. On the other hand, if there is no user input for a predetermined time in step S550, in step S560, the portable terminal loads a predetermined operating system.

Then, in step S580, the operating system of the portable terminal is operated, and in step S590, the operation according to the loaded docking information and the presence or absence of docking is performed.

In this regard, FIG. 6 is a flowchart illustrating a method of driving a mobile terminal supporting multiple operating systems according to an embodiment of the present invention. When the docking state is changed after the operating system is executed and the docking state is changed, the operating system and // Or to change the resolution.

After the booting process described with reference to FIG. 5, when the operating system operates in step S610, the operating system executes the docking monitoring program in step S620. Then, in step S630, the docking monitoring program detects a change in the docking state and performs a docking check.

If, in step S640, a change in the docking state is detected, for example, when the portable terminal is in the disconnected state from the detached state or in the detached state, the process proceeds to step S650 to load the docking information.

In operation S660, it is determined whether the operating system needs to be changed by referring to the docking information and the docking station information (if the docking station transmits to the portable terminal when the combined state is changed). If necessary, the mobile terminal is reset and the operating system is changed by performing the booting process of FIG. 5. Alternatively, the portable terminal may temporarily change the operating system after executing the virtual operating system without temporarily resetting the existing operating system.

On the other hand, if it is not necessary to change the operating system, in step S660, it is determined whether the screen resolution needs to be changed. If the resolution needs to be changed, the process proceeds to step S680 to change the screen resolution. However, if it is not necessary to change the operating system and resolution, the process proceeds to step S630 to check whether the docking continues. Likewise, if there is no change in the docking state in step S640, it is determined whether the system is terminated in step S690. If the system is not shut down, the process proceeds to step S630 to check whether the docking is continued.

Although the present invention has been described in detail with reference to preferred embodiments, it will be apparent to those skilled in the art that the present invention may be embodied in other specific various forms without changing the technical spirit or essential features of the present invention. One embodiment is to be understood in all respects as illustrative and not restrictive.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. .

Claims (15)

In a mobile terminal supporting multiple operating systems,
A storage device to store two or more operating systems, boot information, and docking information;
A docking coupler coupled to the docking station; And
And a controller configured to load the docking information and change the operating system corresponding to the docked docking station when the docking detection signal is received from the docking coupler. The method of claim 1,
The docking information includes an operating system and a resolution according to whether the docking, the operating system and the resolution according to the docking station. The method of claim 1,
The docking information is a portable terminal, characterized in that the user can change the operating system and the resolution using at least one of the input and output unit, the keypad unit, the touch pad unit. The method of claim 1,
The control unit searches for the docking information based on the docking station information transmitted from the docking station to determine the operating system corresponding to the docking station. The method of claim 1,
The controller may be configured to change the operating system by changing the operating system by performing a reset when the operating system is changed or by operating a virtual operating system. The method of claim 1,
The control unit is a portable terminal, characterized in that for changing the priority of the input and output when the docking station is combined with the docking station. The method of claim 1,
The controller may process the input of the touch pad unit as an input of a mouse and display it on the display unit of the docking station. A docking station for a portable terminal supporting multiple operating systems,
Docking coupling unit for coupling with the mobile terminal;
A display unit configured to process and display an image signal transmitted from the portable terminal through the docking coupler; And
And a storage device configured to store at least one operating system, and to transmit a predetermined operating system or an operating system selected by a user to the portable terminal when the docking coupler detects the coupling of the portable terminal. The method of claim 8,
The storage unit stores docking station information including a docking station identifier, a recommended operating system, and a recommended resolution, and when the docking coupler detects a combination of the portable terminal, the docking station information is transmitted to the portable terminal. station. The method of claim 8,
And a voice device unit for outputting a voice signal transmitted from the portable terminal through the docking coupling unit. The method of claim 8,
Further comprising a touch pad unit for detecting a touch input,
The touch pad unit transmits an input signal to the portable terminal through the docking coupling unit. In the driving method of a portable terminal supporting multiple operating systems,
a) detecting a combination of the mobile terminal and the docking station;
b) determining an operating system with reference to docking information in which the operating system is set for each situation; And
c) changing the operating system of the portable terminal. The method of claim 12,
The changing of the operating system in step c) is performed by performing a reset or driving a virtual operating system. The method of claim 12, wherein after step c)
d) detecting separation of the portable terminal and the docking station;
e) determining an operating system with reference to the docking information; And
f) changing the operating system of the portable terminal. The method according to any one of claims 12 to 14,
The docking information includes an operating system and a resolution according to whether the docking, operating system and the resolution according to the docking station.
KR1020100031106A 2010-04-05 2010-04-05 Mobile terminal for supporting multi operating system, docking station, and processing method thereof KR20110111828A (en)

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US9158338B2 (en) 2012-02-20 2015-10-13 SK Hynix Inc. Integrated circuit chip, mobile device including the same, and method for operating the mobile device with improved impedance matching function control
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US9158338B2 (en) 2012-02-20 2015-10-13 SK Hynix Inc. Integrated circuit chip, mobile device including the same, and method for operating the mobile device with improved impedance matching function control
KR101522401B1 (en) * 2012-06-04 2015-05-21 주식회사 케이티 Mobile Terminal for connection with external device, and method for changing screen image thereof
US9954994B2 (en) 2015-06-26 2018-04-24 Samsung Electronics Co., Ltd Method of using external device according to context of electronic device and electronic device thereof
CN105791567A (en) * 2016-02-29 2016-07-20 宇龙计算机通信科技(深圳)有限公司 Information storage method and multi-system mobile terminal
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KR20190085402A (en) * 2018-01-10 2019-07-18 삼성전자주식회사 Electronic apparatus and control method thereof
CN111480143A (en) * 2018-01-10 2020-07-31 三星电子株式会社 Electronic device and control method thereof
US10948945B2 (en) 2018-01-10 2021-03-16 Samsung Electronics Co., Ltd. Electronic apparatus with multiple operating systems and control method thereof
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