KR101832372B1 - Mobile terminal and control method therof - Google Patents

Abstract

A mobile terminal and a control method thereof are disclosed. A mobile terminal and a control method thereof according to the present invention include at least one camera; A flash positioned adjacent to at least one of the at least one camera; And a control unit for selectively emitting the flash based on the state of the object to be recognized in the case of the object recognition mode for the object. According to the present invention, it is possible to selectively flash the flash according to the state of the subject in the object recognition mode, thereby improving the quality of the photographed image.

Description

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

The present invention relates to a mobile terminal and a control method thereof, and more particularly, to a mobile terminal and a control method therefor, which can improve the quality of a photographed image by selectively emitting a flash according to a state of a subject in a object recognition mode .

A terminal such as a personal computer, a notebook computer, or a mobile phone has various functions, for example, a multimedia device having a complex function such as photographing or photographing of a moving picture, reproduction of music or a moving picture file, (Multimedia player).

The terminal can move And may be divided into a mobile 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.

In order to support and enhance the functionality of the terminal, it is contemplated to improve the structural and / or software portion of the terminal.

Recently, a variety of terminals including mobile terminals provide a complex and various functions, and the menu structure is also becoming complicated. In addition, a function of displaying various digital documents including a web page is added to a mobile terminal.

The mobile terminal may include a camera. The camera may be provided on the front and / or rear of the mobile terminal. The camera located on the front side of the mobile terminal can be used when capturing an image of a mobile terminal user, and the camera located on the rear side can be used when capturing an external image.

The present invention relates to a mobile terminal and a control method thereof that can selectively flash a flash according to the state of a subject in a object recognition mode, thereby improving the quality of the photographed image.

According to an embodiment of the present invention, there is provided a mobile terminal including at least one camera; A flash positioned adjacent to at least one of the at least one camera; And a control unit for selectively emitting the flash based on the state of the object to be recognized in the case of the object recognizing mode for the object.

The control unit may determine the state of the subject based on a distance between the subject and the camera.

The control unit may increase the amount of light emitted by the flash in proportion to the distance from the subject.

The state of the subject can be determined based on the position of the external light source with respect to the subject.

The control unit may emit the flash when the external light source is in a counterlight position with respect to at least a part of the subject.

The control unit can determine the state of the subject through a plurality of preliminary flashes using the flash.

And the control unit may photograph the subject during preliminary flashing of at least one of the plurality of preliminary flashes and store the subject in the memory.

The subject may include time information including at least one of characters, bar codes, and patterns obtainable by photographing through the camera, and the controller may acquire and store data included in the taken time information.

The control unit may re-photograph the subject at least once by differentiating the light emission of the flash when at least a part of the data included in the photographed time information can not be identified.

The control unit may extract the data by changing the state of the image corresponding to at least a part of the data included in the photographed time information.

Wherein the subject includes time information including at least one of a character, a barcode, and a pattern obtainable by photographing through the camera, wherein the control unit controls the flash unit so that the time information included in the time information of the subject When the condition for identifying the data is satisfied, the subject can be photographed and stored in the memory.

And the control unit may emit the flash when the charged amount of the battery is in a predetermined range or more.

Wherein the subject includes time information including at least one of a character, a barcode, and a pattern obtainable by photographing through the camera, wherein the control unit can not identify at least a part of the data included in the taken time information , It is possible to guide the photographing state in which at least a part of the data that can not be identified can be identified.

Wherein the at least one camera includes an image sensor that picks up an image of the subject, the control unit is configured to divide the image sensor into a plurality of areas, and to identify the data for each of the plurality of areas Whether or not the data is identified can be determined according to availability.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, the method including: initiating a object recognition mode; Selectively flashing the flash based on the recognized state of the subject; And storing an image of the subject photographed through the camera during flash emission of the flash.

The light emission through the flash may be based on at least one of a distance from the subject, a position of an external light source with respect to the subject, and a state of the subject determined through a plurality of preliminary light emission using the flash.

The subject may include time information including at least one of characters, bar codes, and patterns obtainable by photographing through the camera.

The mobile terminal and its control method according to the present invention have the effect of improving the quality of a photographed image by selectively emitting a flash according to the state of a subject in the object recognition mode.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile terminal according to an embodiment of the present invention.
2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention.
3 and 4 are views illustrating a process of displaying data included in a bar code using a mobile terminal according to an embodiment of the present invention.
5 is a diagram illustrating a process of scanning a QR code using a mobile terminal according to an embodiment of the present invention.
6 is a flowchart illustrating an operation procedure of a mobile terminal according to an embodiment of the present invention.
FIGS. 7 and 8 are diagrams illustrating bar code scan states according to the distance of the mobile terminal of FIG.
FIGS. 9 to 12 are views showing a state of a subject that may occur during a scan operation of the mobile terminal of FIG.
13 is a view illustrating an auto focusing process of the mobile terminal of FIG.
FIG. 14 is a diagram showing the amount of light emission according to the distance from the object of the mobile terminal of FIG.
FIG. 15 is a diagram illustrating the amount of light emission according to the position of an external light source of the mobile terminal of FIG.
FIG. 16 is a graph showing the amount of light emission according to the test light emission of the mobile terminal of FIG. 6;
FIG. 17 is a diagram illustrating the process in the case where the OCR (Optical Character Recognition) of the mobile terminal fails in FIG.
FIG. 18 is a view showing an image capturing time point of the mobile terminal of FIG. 6;
FIG. 19 is a diagram illustrating a light emission state of the flash according to the battery capacity of the mobile terminal of FIG. 6;
20 and 21 are views showing an indicator display process according to the state of a subject of the mobile terminal of FIG.
FIG. 22 is a diagram illustrating a process of displaying a guide line according to the state of a subject of the mobile terminal of FIG. 6;

The above objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Further, numerals (e.g., first, second, etc.) used in the description process of this specification are only an identifier for distinguishing one component from another component

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

The mobile terminal described in this specification 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), and navigation. However, it will be understood by those skilled in the art 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 the configuration is applicable only to a mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory unit 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in Fig. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

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

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

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

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

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

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a digital multimedia broadcasting broadcasting (DMBT), a digital multimedia broadcasting satellite (DMBS), a media forward link only (MediaFLO), a digital video broadcasting ), And ISDBT (Integrated Services Digital Broadcast Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory unit 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. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. WLAN (WiFi), 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 module 114 refers to a module for short-range communication. Bluetooth, radio frequency identification (RFID), infrared data association (IrDA), ultra wideband (UWB), ZigBee, and the like can be used as the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. A typical example of the location information module is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates information on a distance (distance) from three or more satellites to one point (entity), information on the time when the distance information is measured, , Three-dimensional position information according to latitude, longitude, and altitude of one point (individual) in one hour can be calculated. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module 115 continues to calculate the current position in real time and uses it to calculate speed information.

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

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

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

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

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. In addition, it may be responsible for a sensing function related to whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include an orientation sensor 141 and / or a proximity sensor.

The output unit 150 is for generating output related to the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

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

The display unit 151 may be a liquid crystal display, a thin film transistor liquid crystal display, an organic light emitting diode, a flexible display, a 3D display And may include at least one.

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

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

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

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

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

Referring to FIG. 1, a proximity sensor may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is enclosed by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

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

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

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

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

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

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

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

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

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

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

The memory unit 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) At least one of a random access memory (RAM), a static random access memory (SRAM), a read only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM) Lt; / RTI > type of storage medium. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory unit 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

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

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

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

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

The power supply unit 190 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 embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

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

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

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

The disclosed mobile terminal 100 has a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this 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 a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 152 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132, the interface 170, and the like are disposed on the side surfaces 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 portable terminal 100 and may include a plurality of operation units 131 and 132.

The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents input by the operation units 131 and 132 can be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.

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

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body such that they can be rotated or popped up.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

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

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed 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.

FIGS. 2C and 2D are views showing various embodiments of the mobile terminal 100 and the display unit 151. FIG.

The display unit 151 may include a first display unit physically divided into display panels, and a second display unit. In a folding or sliding type mobile terminal in which two bodies are fastened by a hinge or a slide, a first display portion (or a main display portion) may be formed on an inner surface or an outer surface of either body, Or the auxiliary display portion, the external display portion) may be formed on the inner surface or the outer surface of the other body. The auxiliary display unit is a display unit separated from the mobile terminal, and can be detachably connected to the mobile terminal body through an interface unit to display data from the mobile terminal.

In addition, the display unit 151 may include a first display unit and a second display unit logically divided in the display panel as shown in FIG. 2C.

3 and 4 are views illustrating a process of displaying data included in a bar code using a mobile terminal according to an embodiment of the present invention.

As shown in these figures, the mobile terminal 100 according to the embodiment of the present invention can be used to scan a bar code OB attached to a specific merchandise PD.

As shown in Fig. 3, the specific product PD may be wine or the like. However, it is an example that a specific product (PD) is represented by a wine, and a product (PD) may be various.

The camera 121 mounted on the mobile terminal 100 can be used to photograph a bar code OB attached to a specific commodity PD. The camera 121 for photographing the bar code OB may be a camera 121 'mounted on the rear case 102. That is, this means that it can be the rear side camera 121 'which photographs the opposite direction of the front side camera 121. In the following description, the rear camera 121 'is also denoted by the reference numeral 121 unless otherwise specified.

The user can take the bar code OB by moving the mobile terminal 100 to the bar code OB. When the bar code OB is photographed, the photographed bar code image CO can be displayed on the display 151. [ The user can visually recognize the barcode image CO displayed on the display 151 and recognize whether or not the photographing is proceeding properly.

As shown in Fig. 4, the barcode image CO may be displayed on the display 151. Fig. In addition, the display 151 may display a guide line GL. The guide line GL can allow the user to visually recognize whether the bar code image CO should be photographed so as to be positioned at a certain size and at which position.

The color and / or shape of the bar code image CO can be changed at the moment of photographing. For example, it means that it is normally displayed in black and can be displayed in red at the time of shooting for the bar code image (CO). When the color and / or shape of the bar code image CO is changed at the moment of photographing, the user can intuitively recognize the photographing moment. Therefore, it is possible to prevent the camera shake due to sudden operation at that moment.

When the shooting for the bar code image CO is made, a process of decoding the bar code image CO and a process of acquiring data can be performed.

The control unit 180 can display the acquired data on the display 151. [ For example, when the bar code image CO is for a particular wine, it means that information about that particular wine can be displayed. The information on the specific wine may be information contained in the bar code image CO itself or information obtained through the wireless communication unit 110 based on the information obtained through the bar code image CO.

5 is a diagram illustrating a process of scanning a QR code using a mobile terminal according to an embodiment of the present invention.

As shown in the figure, the mobile terminal 100 according to an embodiment of the present invention can be used to photograph a QR code OB.

The QR code OB may be composed of a two-dimensional lattice pattern unlike a bar code. The QR code OB may contain more information than the barcode, and may store character data in addition to the numbers. The QR code OB may include a qubit zone, a position detection pattern, a timing pattern, an alignment pattern, format information, version information, and a data area for facilitating data presentation and reading.

The control unit 180 can acquire the information contained in the QR code image CO when the QR code image CO photographed by the user's operation is appropriately positioned inside the guide line GL.

6 is a flowchart illustrating an operation procedure of a mobile terminal according to an embodiment of the present invention.

As shown, the controller 180 of the mobile terminal 100 according to the embodiment of the present invention can perform the step S10 of starting the object recognition mode.

A plurality of photographing modes using the camera 121 may exist. For example, there may be a photographing mode such as a landscape mode for photographing a distant view, a portrait mode for photographing a person, and an object recognition mode for photographing a nearby subject .

The object recognition mode may be a mode for taking a close-up image of a subject as described above. For example, when a barcode, a QR code, a business card, or the like is to be photographed, it means that the photographing can be performed in proximity to the subject for identification of the barcode, pattern, letter, number, etc. included therein. The switching to the object recognition mode may be automatically performed by the operation of the control unit 180 or may be performed by a user's operation.

The control unit 180 may control the flash 123 or the like so that an optimized operation is performed according to the shooting mode. For example, it means that the control operation such as setting the light emission of the flash 123 differently according to the shooting mode or setting the light emission amount of the flash 123 differently according to the shooting mode may be possible. A process of detecting the current state of the subject may be performed in order to control the flash 123 or the like so as to be suitable for the object recognition mode.

A step S20 of sensing the first state of the subject may be performed.

The first state of the subject may be the distance between the subject and the camera 121. [ Even when the object recognition mode is automatically switched, there may be a certain range in the distance from the object where the object recognition can proceed. For example, it means that object recognition can proceed when the distance is D1 to D2 from the subject.

The distance to the subject can be detected in various ways. For example, it means that the distance from the subject can be detected on the basis of the time when the high frequency or infrared ray emitted toward the subject returns, or based on the information obtained from the photographed image. The control unit 180 can determine whether the camera 121 is located at any of the distances D1 to D2.

A step S30 of sensing a second state of the subject may be performed.

The second state of the subject may be the brightness of the subject, the position of the external light source, and the like. For example, whether or not the current brightness of the subject is in a state due to the light emitted from the light source around the subject, whether the brightness of the surface of the subject is uniform, Whether or not it is located at a certain point in time.

The current brightness of the subject may affect whether photographing through the camera 121 can be properly performed or not. For example, when the brightness of the subject is less than the first reference brightness, the photographed image may be in a very dark state. If the photographed image is too dark, the characters and / or patterns included in the image may not be accurately recognized. When the brightness of the subject is higher than the second reference brightness, the photographed image may be in a very bright bright state. If the photographed image is too bright, the characters and / or patterns included in the image may not be accurately recognized. The brightness of the subject can be detected directly through the illuminance sensor or by analyzing the image to be photographed.

Whether or not the brightness of the subject surface is uniform can also affect whether photographing through the camera 121 can be appropriately performed or not. For example, when one area of the subject is very dark and the other area is very bright, photographing so as to correspond to the brightness of the specific area may not correctly recognize characters and / or patterns included in other areas. Whether the brightness of the subject's surface is uniform can be detected by analyzing the image to be photographed.

The position of the external light source may also affect whether photographing through the camera 121 can be properly performed. For example, the overall brightness due to light emitted from an external light source is adequate, but an external light source may be located at a position where counterlight may occur. If a backlight phenomenon occurs, the characters and / or patterns included in the photographed image may not be accurately recognized. The position of the external light source may be sensed through the cameras 121 and 121 'located at the front and rear of the body of the mobile terminal 100 or through the illuminance sensor provided at the mobile terminal 100.

It is possible to proceed to step S40 of determining whether the flash 123 should emit light by detecting various states of the subject.

The control unit 180 can judge whether or not it is an appropriate state in which information can be obtained from the image of the subject in consideration of various states of the subject. If the current state, such as the brightness of the subject, is not suitable for image capturing, the control unit 180 can determine the flashing of the flash.

A step S50 of determining the amount of light emission based on the first and second states and a step S60 of emitting a flash light according to the determined amount of light emission may be performed.

The amount of light emission may mean the degree of light emitted through the flash 123. The light emitted from the flash 123 may vary depending on the current state of the subject. For example, when the subject is dark, the control unit 180 may increase the amount of light emitted by the flash 123, and decrease the amount of light emitted by the flash 123 when the subject is dark.

When the flash is lit, step S70 of photographing the subject and step S80 of acquiring data from the time information of the photographed subject can be performed.

The photographing of the subject can be performed through the camera 121. [

The visual information may be at least one of a barcode, a QR code, a character, and a pattern displayed on the subject. The control unit 180 can acquire data based on the photographed time information.

The acquisition of data may be performed through the wireless communication unit 110 based on the decoded and decoded barcode which is the time information, as described above.

FIGS. 7 and 8 are diagrams illustrating bar code scan states according to the distance of the mobile terminal of FIG.

As shown in these drawings, the mobile terminal 100 according to an embodiment of the present invention can scan a barcode using a camera 121. [

As shown in Fig. 7, in order to photograph a bar code at a specific position, the user can make the mobile terminals 100a and 100b at appropriate positions. For example, it means that the mobile terminal 100 can be moved to be located at the first position 100a or the second position 100b.

If it is in the first position 100a, it may be spaced by a distance D1 + D2 from the photographing plane. If it is in the second position 100b, it may be spaced by a distance D1 from the photographing plane. The first photographing area A1 in the first position 100a may be wider than the second photographing area A2 in the second position 100b due to the large separation distance on the photographing plane.

As shown in FIG. 8, the sizes of the barcode images CO1 and CO2 photographed according to the separation distance on the photographing plane can be changed.

As shown in FIG. 8A, the first bar code image CO1 in the first position 100a may have a small size of the first bar code image CO1 due to the distance from the photographing face.

As shown in Fig. 8 (b), the second barcode image (CO2) at the second position 100b can have a larger size of the second barcode image (CO2) due to the distance from the photographing surface.

In acquiring the time information included in the barcode images CO1 and CO2, the first barcode image CO1 may be more disadvantageous than the second barcode image CO2. That is, since the shooting distance is long, it means that the image is not clear and the pattern included therein may not be clearly identified. Therefore, in order to acquire the time information from the barcode images CO1 and CO2, it is necessary to approach and capture within a certain distance.

FIGS. 9 to 12 are views showing a state of a subject that may occur during a scan operation of the mobile terminal of FIG.

As shown in these figures, when the barcode OB, which is a subject attached to a product, is photographed by the mobile terminal 100, the condition of the subject may be poor due to the proximity of the mobile terminal 100. [

As shown in FIG. 9, when photographing the bar code OB, it may be necessary to approach the mobile terminal to the second position 100b in order to capture a clear image.

When the mobile terminal is positioned in the second position 100b, the dark region SA may occur in the bar code OB by the external light source B. [ That is, a part of the barcode OB is directly affected by the external light source B to become the light area BA, and the other part is the shadow area covered with the shadow of the external light source B, It can be said to be.

As shown in Fig. 10, a second barcode image (CO2) may be displayed on the second display 151b in the second position 100b. The displayed second bar code image (CO2) can be generated by a nearby mobile terminal in a part of the dark area SA.

When the dark region SA is generated, the recognition rate for the time information of the dark region SA may be lowered. That is, the second bar code image (CO 2) may not normally identify the pattern of the corresponding part.

As shown in Fig. 11, the dark area SA and the bright area BA can also occur in the case of a subject that is the business card OB. For example, the upper side of the business card OB is a normal bright area BA, while the lower side of the business card OB can be a dark area SA due to the influence of the mobile terminal main body.

If a dark area (SA) occurs in some areas, the OCR (Optical Character Reader) function may fail. That is, it means that it is impossible to read characters from the corresponding part to the whole.

After the OCR process, the information contained in the photographed business card OB can be data-processed. For example, the business name, address, and the like included in the business card OB can be stored in the corresponding field of the corresponding database. However, as shown in the figure, the name and the e-mail address part may not be able to acquire the related data because the OCR function is not performed because it is not a normal shooting environment.

As shown in Fig. 12, in order to extract necessary data from the time information using the OCR function or the like, the subject must be in a state of constant brightness.

The subject may be in the first brightness state S1. That is, it means that the subject is in a proper and uniform brightness state. In the case of the first brightness state S1, data extraction from a photographed subject can be performed smoothly.

The subject may be in the second to third brightness states (S2, S3). That is, it means that the subject is too bright or too dark. When the subject is too bright or dark, extraction of data from the photographed subject may be difficult or impossible. For example, if the photographing is performed in a state in which an excessive amount of light is irradiated on the subject, it means that it is impossible to identify patterns, characters, etc., which are photographed as white as a whole.

The fourth brightness state S4 may be a case where the brightness is changed depending on the position of the subject. In such a case, some areas of the subject may be in an appropriate brightness state, while others may be too bright and others in a dark state. Therefore, shooting of the subject may not be smooth.

13 is a view illustrating an auto focusing process of the mobile terminal of FIG.

As shown in the figure, in order to automatically find the focus of the camera 121, a method of locating the lens at a point where a peak value of FV (Focus Value) is generated can be applied. For example, this means that the lens can be driven so that the peak value of the contrast of the subject photographed by the camera 121 is generated.

In the normal brightness state, the first curve L1 may appear. That is, when the subject is photographed and the change of the contrast value is tracked, it means that a peak value may occur at a specific point. The point where the peak value is generated can be seen as the point where the camera 121 is focused.

In a non-normal brightness state, a second curve L2 may appear. In other words, it means that there is no change in the contrast value or that there is no gentle peak value. It is difficult to automatically focus the camera 121 because no peak value is generated.

The control unit 180 can determine that the subject is not in a normal brightness state when the same contrast change as that of the second curve L2 appears. That is, it means that the subject is too bright or too dark.

The control unit 180 of the mobile terminal 100 according to the embodiment of the present invention may be configured such that when the state of part or all of the subject is poor and it is difficult to normally secure the visual information as described above, 123) can be used to achieve normal brightness.

FIG. 14 is a diagram showing the amount of light emission according to the distance from the object of the mobile terminal of FIG.

As shown in the figure, the control unit 180 can adjust the brightness of the flash 123 according to the distance to the subject OB.

The controller 180 may cause the flash 123 to emit light at the first brightness 121a if the mobile terminal is located at the first position 100a which is the distance D1 from the subject OB. That is, since it is far away from the object OB, it means that more light can be emitted and the subject OB can be sufficiently illuminated.

The controller 180 may cause the flash 123 to emit light at the second brightness 121b if the mobile terminal is located at the second position 100b which is a distance D2 from the subject OB. The second brightness 121b may be weaker than the first brightness 121a.

If the mobile terminal is located at the third position 100c which is a distance D3 from the subject OB, the controller 180 may cause the flash 123 to emit light at the third brightness 121c. The third brightness 121c may be weaker than the first and second brightnesses 121a and 121b. The brightness of the object OB can be appropriately adjusted even when the light is emitted with a relatively weak light because the state is close to the object OB.

FIG. 15 is a diagram illustrating the amount of light emission according to the position of an external light source of the mobile terminal of FIG.

As shown, the mobile terminal 100 according to an exemplary embodiment of the present invention can provide an appropriate amount of light to the object OB even when the light sources B1 and B2 are in various states.

The first light source B1 of the light sources B1 and B2 may exist. The first light source B1 may be located on the front side of the object OB and on the rear side of the mobile terminal 100. [ That is, the first light source B1 may be irradiating the object OB with direct light. The amount of light of the first light source B1 which is irradiating the object OB with light may be large. In this state, when the subject OB is photographed, the control unit 180 can perform photographing without providing any additional light using the flash 123. [

And the second light source B2 may be positioned on the side surface or the rear surface of the object OB. If the second light source B2 having a large light quantity is located on the side surface or the rear surface of the object OB, it may be in a backlight state. In this case, the control unit 180 can sense the state of glory through analysis of images photographed by the camera 121 and the like. Accordingly, the control unit 180 can increase the light amount of the flash 123, so that the shooting of the object OB can be normally performed. The control unit 180 can determine the amount of light of the flash 123 based on the distance to the object OB and the brightness of the second light source B2.

FIG. 16 is a graph showing the amount of light emission according to the test light emission of the mobile terminal of FIG. 6;

As shown in the figure, the control unit 180 of the mobile terminal 100 according to an embodiment of the present invention can determine the amount of light optimized for a subject undergoing object recognition through preliminary flashing several times.

The control unit 180 can perform the preliminary light emission at the time t1, t2, and t3. The preliminary light emission may be performed at regular intervals before time t4 when the main imaging for storing the image of the object OB is performed.

The control unit 180 can make the amounts of the flashes 123 of the respective preliminary flashes different from each other. For example, light is emitted weakly at time t1, light is emitted at intermediate brightness at time t2, and light is emitted strongly at time t3. And the control unit 180 can determine the state of the photographed object OB. For example, at the time t1 when the amount of light is weak, the brightness of the photographed object OB is too dark. When the light amount is strong, the subject OB is too bright at the time point t3, It can be done.

On the basis of the result of the preliminary light emission from t1 to t3, the control unit 180 can perform the main shooting with the main light emission at time t4. The control unit 180 can perform the present light emission to a degree determined as the most appropriate light amount through preliminary light emission.

FIG. 17 is a diagram illustrating the process in the case where the OCR (Optical Character Recognition) of the mobile terminal fails in FIG.

As shown in the figure, the control unit 180 of the mobile terminal 100 according to an exemplary embodiment of the present invention performs an OCR function on the captured card image CO to identify a character or the like.

In the process of performing the OCR function, character recognition for the dark area (SA) may fail.

If the character recognition on the dark area SA fails, the controller 180 may perform at least one of the following methods. For example, the control unit 180 can again perform shooting for the card image CO. In performing re-photographing, the controller 180 may cause the flash 123 to emit light differently from the conventional one. For example, it means that the flash 123 can be made to emit light more strongly or more weakly.

The control unit 180 may perform editing on the business card image CO. That is, it means that the characters and the like included in the failed character recognition area can be made recognizable by adjusting the contrast, color, and the like of the already-captured existing business card image CO without re-photographing.

The control unit 180 may perform an image binarization by applying an image binarization technique. That is, a pixel having a value lower than a specific threshold value is processed as black, and a pixel having a value higher than a threshold value is processed as white. Through the image binarization technique, it is possible to make the unknown characters more clearly. If character recognition is performed through editing without re-photographing, it is possible to prevent an additional time for re-photographing.

FIG. 18 is a view showing an image capturing time point of the mobile terminal of FIG. 6;

As shown in the figure, the controller 180 of the mobile terminal 100 according to the embodiment of the present invention can adjust the time of shooting the image of the subject.

As shown in Fig. 18 (a), the image of the subject can be photographed at time t1. an OCR procedure can be performed on the photographed image between the time t1 and the time t2. If the photographed image is defective and the OCR procedure fails, the control unit 180 can perform retaking at time t2.

As shown in FIG. 18 (b), the controller 180 can activate the camera 121 from time t1 and perform the OCR procedure in real time. The controller 180 that has performed the OCR procedure can determine that the OCR procedure is successfully performed at time t2. That is, the characters included in the subject at the time t2 are successfully recognized. If the OCR procedure is successfully performed, the image can be captured and stored at time t2. It is possible to eliminate the necessity of retaking due to OCR failure as compared with the case where the OCR process is performed after the image is captured by photographing and storing the image only when the OCR procedure is successfully performed beforehand. Therefore, more effective image shooting can be performed.

FIG. 19 is a diagram illustrating a light emission state of the flash according to the battery capacity of the mobile terminal of FIG. 6;

As shown in the figure, the controller 180 of the mobile terminal 100 according to the embodiment of the present invention can selectively emit the flash 123 according to the battery capacity.

The vertical axis of the graph corresponds to the charged amount C of the battery of the mobile terminal 100, and the horizontal axis corresponds to the time t.

The charged amount C of the battery can be gradually reduced according to use of the mobile terminal 100. [ For example, C2 at the time t1 and C1 at the time t2.

The controller 180 can prevent the flash 123 from operating if the charged amount C of the battery is less than a preset reference. For example, if the charge amount is less than C1, it means that the flash 123 may not be operated. The battery 123 can be used more effectively by selectively operating the flash 123 in accordance with the charged amount of the battery.

20 and 21 are views showing an indicator display process according to the state of a subject of the mobile terminal of FIG.

As shown in these drawings, the control unit 180 of the mobile terminal 100 according to an embodiment of the present invention can guide the user to capture a clearer object image CO.

As shown in FIG. 20 (a), the camera 180 may include an image sensor (CCD) that picks up an image of a subject. The image of the subject can be projected onto an image sensor (CCD). The image of the subject projected on the image sensor (CCD) can be analyzed and / or stored based on the control signal of the control unit 180. [

The control unit 180 can logically partition the image sensor (CCD) into a plurality of zones. That is, although it is not physically partitioned, it means that an image sensor (CCD) can be logically divided into a grid form if necessary.

In a state where the image sensor (CCD) is logically divided, the controller 180 can calculate the brightness of each zone. It is possible to calculate the brightness of each zone and judge whether or not each zone is in a state suitable for recognizing the current character. For example, as shown in the figure, it can be determined that the right part of the bar code image CO is in a dark state.

The actual image of the bar code image CO determined to be dark by the image sensor (CCD) may be in a state as shown in FIG. 20 (b). That is, it can be seen that the right part of the bar code image CO is darker than the left part. The controller 180 analyzes the image sensor (CCD) as shown in FIG. 20 (a) Can be detected.

As shown in Fig. 21 (a), the control unit 180 can display the indicator IC1 on the display 180. Fig. The indicator IC1 may indicate the direction in which the mobile terminal 100 should be moved to obtain a clear image. The indicator IC1 can indicate the direction in which the user should move as a display in the left-right direction, the up-down direction, and the back-and-forth direction.

As shown in FIG. 21 (b), when the bar code image CO is moved in accordance with the instruction of the indicator IC1 and the bar code image CO is in a proper brightness state, the indication of the indicator IC1 indicating the moving direction may disappear .

FIG. 22 is a diagram illustrating a process of displaying a guide line according to the state of a subject of the mobile terminal of FIG. 6;

The control unit 180 of the mobile terminal 100 according to the embodiment of the present invention can change the display of the guide lines GL1 to GL4 according to the state of the photographed barcode image CO .

As shown in Fig. 22 (a), the bar-code image CO can be picked up satisfactorily. If the state of the photographed bar code image CO is good, the visual information can be obtained smoothly even when the size of the bar code image CO is relatively small.

The control unit 180 can change the positions of the guide lines GL1 and GL2 when the current photographing condition is good. For example, it means that the state can be changed from the first guide line GL1 state to the second guide line G2 state and displayed.

The guideline GL1 or GL2 is a line that indicates to the user that the time information included in the barcode image CO can be read when the barcode image CO is photographed in a size larger than a predetermined area of the barcode image CO. . Therefore, when the guide lines GL1 and GL2 move from the first guide line GL1 to the second guide line GL2, it means that data can be acquired smoothly even if a subject is photographed from a long distance.

The photographing state of the bar code image CO may be poor, as shown in Fig. 22 (b). For example, it may be in a state that the acquisition of the visual information is not easy with the bar code image CO photographed in the present state because the illumination state is not good.

The control unit 180 can move the guide lines GL3 and GL4 from the third guide line GL3 position to the fourth guide line GL4 position and display them. That is, it means that the user is informed that the visual information can be read in order to approach the subject more than the present time.

By changing the guideline GL1 to GL4 according to the image state of the photographed subject, it is possible to reduce the possibility of failing to acquire the time information.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

100: mobile terminal 110: wireless communication unit
140: sensing unit 151: display unit
180:

Claims (17)

A camera including an image sensor;
A flash positioned adjacent to the camera; And
The method comprising the steps of: driving the camera in a subject recognition mode for photographing a subject located closer than a predetermined distance; determining whether or not to emit the flash based on the state of the subject recognized in the subject recognition mode; And a control unit for photographing the subject while selectively emitting the flash according to the light emission amount and the amount of light emission of the subject,
Wherein the controller divides the image sensor into a plurality of areas, acquires brightness information for each of the plurality of areas, and when the image of the subject is captured in a region of the plurality of areas that is darker than a predetermined brightness, The moving direction of the mobile terminal capable of moving the image of the mobile terminal outside the dark area. The method according to claim 1,
Wherein the state of the subject includes a distance between the subject and the camera,
Wherein,
Wherein the determination unit determines that the amount of light of the flash is increased in proportion to a distance between the subject and the camera. The method according to claim 1,
Wherein the state of the subject includes a position of an external light source with respect to the subject,
Wherein,
And determines to emit the flash when the external light source is in a counterlight position with respect to at least a part of the subject. The method according to claim 1,
Wherein,
Wherein a plurality of preliminary light emission is performed in accordance with different amounts of light set through the flash and the amount of light emission of the flashlight is determined based on a state of the subject recognized through the plurality of preliminary light emission. The method according to claim 1,
Wherein the subject includes time information including at least one of a character, a bar code, a QR code, and a pattern,
Wherein,
And acquires and stores data based on time information included in the photographed subject. 6. The method of claim 5,
Wherein,
Wherein the control unit changes the amount of light emitted by the flash and resumes the subject at least once if it can not identify at least a part of the data based on the time information included in the photographed subject. 6. The method of claim 5,
Wherein,
And extracting the data by changing a state of a portion corresponding to at least a part of the photographed images of the subject when at least a part of the data can not be identified based on the time information included in the photographed subject The mobile terminal comprising: The method according to claim 1,
Wherein the subject includes time information including at least one of a character, a bar code, a QR code, and a pattern,
Wherein,
Wherein the subject is photographed and stored in a memory when a condition capable of identifying data based on time information included in the photographed subject is satisfied in the course of selectively flashing the flash. The method according to claim 1,
Further comprising a battery,
Wherein,
And the flash is emitted when the charged amount of the battery is in a predetermined range or more. delete delete delete delete delete delete delete delete

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