KR20150119665A - Method and apparatus for controlling the image providing apparatus by mobile terminal - Google Patents

Method and apparatus for controlling the image providing apparatus by mobile terminal Download PDF

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Publication number
KR20150119665A
KR20150119665A KR1020140045361A KR20140045361A KR20150119665A KR 20150119665 A KR20150119665 A KR 20150119665A KR 1020140045361 A KR1020140045361 A KR 1020140045361A KR 20140045361 A KR20140045361 A KR 20140045361A KR 20150119665 A KR20150119665 A KR 20150119665A
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KR
South Korea
Prior art keywords
authentication
providing apparatus
image providing
lock function
portable terminal
Prior art date
Application number
KR1020140045361A
Other languages
Korean (ko)
Inventor
김미선
Original Assignee
주식회사 인프라웨어
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 주식회사 인프라웨어 filed Critical 주식회사 인프라웨어
Priority to KR1020140045361A priority Critical patent/KR20150119665A/en
Publication of KR20150119665A publication Critical patent/KR20150119665A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4227—Providing Remote input by a user located remotely from the client device, e.g. at work
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8453—Structuring of content, e.g. decomposing content into time segments by locking or enabling a set of features, e.g. optional functionalities in an executable program

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephone Function (AREA)

Abstract

The present invention relates to a method and apparatus for controlling an image providing apparatus by using a mobile terminal and, more particularly, to a method and apparatus which can remotely control the use of the image providing apparatus by using the mobile terminal. According to the present invention, the method comprises the following steps: setting a use limit condition of the image providing apparatus; applying a lock function to the image providing apparatus when the use limit condition is satisfied; requesting, to the mobile terminal having authentication authority, the authentication for the release of the lock function applied to the image providing apparatus; and releasing the lock function when authentication is performed according to the authentication request. According to the present invention, the method and apparatus can remotely control the use of the image providing apparatus by using the mobile terminal with only the application installed therein, and the control of the use is possible through an authentication process by using the mobile terminal even under a circumstance that a remote controller of the image providing apparatus cannot be used, thereby having an advantage of providing user convenience. In addition, user inconvenience of frequently changing a password due to exposed password for providing content can be solved since the password is not exposed to a users such as children or the youth but a guardian can selectively provide content of the image providing apparatus.

Description

TECHNICAL FIELD [0001] The present invention relates to a method and an apparatus for controlling an image providing apparatus using a portable terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method and an apparatus for controlling an image providing apparatus using a portable terminal, and more particularly, to a method and apparatus for controlling a use of an image providing apparatus remotely using a portable terminal .

2. Description of the Related Art [0002] In recent years, with the development of communication technologies and communication networks, development of technologies related to broadcasting-communication convergence has led to the provision of terrestrial broadcasts using broadcast terrestrial transmission towers, And the functional role thereof is changing.

The image providing apparatus for providing various contents includes an Internet Protocol Television (IPTV) that provides a digital television service to a user using a high-speed Internet network, and an Internet Protocol Television (IPTV) And smart TVs that provide Internet services such as web surfing, e-commerce, and search.

Conventionally, such image providing apparatuses provide not only terrestrial broadcasting but also various contents. Therefore, there is a problem that children or teenagers are exposed to harmful contents without a guardian when they are not at home. In this regard, some techniques for setting a password on a video providing device or remotely controlling a preset set-top box of a video providing device may be performed by a user, There is a problem in that the corresponding technology must be applied in the manufacturing process of the image providing apparatus in order to control it remotely.

Accordingly, there has been a demand for development of a method and apparatus for controlling an image providing apparatus using a portable terminal, which can control the use of the image providing apparatus remotely only by installing a simple application.

[Related Technical Literature]

One. IPTV remote viewing and control system using mobile terminal and method thereof (Korean Patent Application No. 2008-0130727)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and apparatus for remotely controlling the use of a video providing apparatus using a portable terminal by simply installing an application.

Another object of the present invention is to provide a user convenience by enabling control of use in a situation in which a remote control of a video providing apparatus can not be used through an authentication process through a portable terminal.

Another object of the present invention is to allow a guardian to selectively provide content of a video providing apparatus without exposing a password to a user such as a child or a teenager, And to improve the inconvenience of users who have to change them frequently.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to another aspect of the present invention, there is provided a method of controlling a video providing apparatus using a portable terminal, the method comprising: setting a use restriction condition of the video providing apparatus; Requesting authentication to release the lock function applied to the image providing apparatus to the portable terminal having the authentication authority, and releasing the lock function when authentication is performed according to the authentication request.

According to another aspect of the present invention, the locking function includes at least one of a function of displaying only specific information in the display area of the image providing apparatus, preventing information from being displayed, or preventing the voice function from being provided, And a menu interface for authentication that can release the lock function is displayed.

According to another aspect of the present invention, the step of requesting the portable terminal having the authentication authority to perform the authentication for releasing the locking function applied to the image providing apparatus includes the steps of: requesting authentication through a network cable connected to the image providing apparatus; .

According to another aspect of the present invention, when the authentication is performed according to the authentication request, the step of releasing the lock function includes a step of newly setting the use restriction condition or setting the use condition from the portable terminal having the authentication authority .

According to another aspect of the present invention, a plurality of portable terminals having authentication authority are characterized.

According to another aspect of the present invention, there is provided a computer readable medium including a set of instructions for controlling a video providing apparatus using a portable terminal according to the present invention, When the condition is satisfied, applies the lock function to the image providing apparatus, requests authentication for canceling the lock function applied to the image providing apparatus to the portable terminal having the authentication authority, and performs authentication according to the authentication request, Lt; / RTI >

According to another aspect of the present invention, the locking function includes at least one of a function of displaying only specific information in the display area of the image providing apparatus, preventing information from being displayed, or preventing the voice function from being provided, And a menu interface for authentication that can release the lock function is displayed.

According to another aspect of the present invention, a set of commands for requesting authentication for releasing a lock function applied to a video providing apparatus to a portable terminal having an authentication authority is authenticated through a network cable connected to the image providing apparatus, And a set of instructions for requesting a command.

According to still another aspect of the present invention, when the authentication is performed according to the authentication request, the set of commands for releasing the lock function includes a command for newly setting the use restriction condition or setting the use condition from the portable terminal having the authentication authority And a set of < / RTI >

According to another aspect of the present invention, a plurality of portable terminals having authentication authority are characterized.

According to another aspect of the present invention, there is provided an apparatus for controlling a video providing apparatus using a portable terminal, the apparatus comprising: A control unit for releasing the lock function when authentication is performed according to an authentication request; And a communication unit for requesting the portable terminal having the authentication authority to perform authentication for releasing the locking function applied to the image providing apparatus.

According to the method and apparatus for controlling an image providing apparatus using the portable terminal of the present invention, it is possible to provide a method and an apparatus that can remotely control the use of a video providing apparatus using a portable terminal only by installing an application.

According to the image providing apparatus control method and apparatus using the portable terminal of the present invention, it is possible to control the use of the image providing apparatus in a situation where the remote control of the image providing apparatus can not be used through the authentication process through the portable terminal, Thereby providing an advantage of convenience.

According to the method and apparatus for controlling a video providing apparatus using a portable terminal of the present invention, a protector can selectively provide content of a video providing apparatus without exposing a password to a user such as a child or a teenager, There is an effect of improving the inconvenience of the user who needs to frequently change the password by exposing the password.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the specification.

1 shows a schematic configuration of an image providing apparatus control algorithm using a portable terminal according to an embodiment of the present invention.
2 is a flowchart illustrating an image providing apparatus using a portable terminal according to an embodiment of the present invention.
3A to 3D illustrate an aspect of controlling an image providing apparatus according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the drawings, the same reference numerals are used for the same elements in different drawings unless otherwise indicated.

It is to be understood that each of the features of the various embodiments of the present invention may be combined or combined with each other partially or entirely and technically various interlocking and driving is possible as will be appreciated by those skilled in the art, It may be possible to cooperate with each other in association.

Herein, the image providing apparatus refers to a device generally referred to as a television (TV), and in this specification refers to a television to which a cable is connected so as to be connectable to the Internet.

Various embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

1 shows a schematic configuration of an image providing apparatus control algorithm using a portable terminal according to an embodiment of the present invention.

Referring to FIG. 1, an apparatus 100 (hereinafter, referred to as 'image providing apparatus control apparatus') for performing an image providing apparatus control algorithm using a portable terminal according to an embodiment of the present invention includes a communication unit 110 and a control unit 120).

The image providing apparatus control apparatus 100 according to an exemplary embodiment of the present invention may be applied to an apparatus such as an Internet Protocol Television (IPTV) and a smart TV in which a network cable capable of being connected to the Internet is connected Or may be connected to such a device, and may be such device itself. Also, the image providing apparatus control apparatus 100 can be implemented in the form of an application that can be run on an apparatus such as IPTV and smart TV. In particular, it may be implemented in the form of web-based application software that can be connected to a portable terminal, such as a Web application based on HyperText Markup Language (HTML).

The communication unit 110 receives all inputs from the user, such as restriction setting and authentication for use of the image providing apparatus, and transmits them to the control unit 120 to be described later. In response to the operation of the control unit 120, And may transmit or receive all signals related to the control command and request of the image providing apparatus control apparatus 100, such as requesting authentication from the image providing apparatus control apparatus 100. [

The control unit 120 performs a calculation such as executing a program or a set of commands stored in the memory based on a user's input or the like received through the communication unit 110 to set a use restriction condition of the image providing apparatus, A lock function is applied when the condition is satisfied, and the use of the image providing apparatus is controlled such that the lock function is released according to the authentication of the lock function. The control unit 120 may include at least one processor and a memory, and the plurality of processors may be configured to share a memory with each other. At this time, the controller 120 may use a processor and a part of the memory of the image providing apparatus .

2 is a flowchart illustrating an image providing apparatus using a portable terminal according to an embodiment of the present invention. Will be described with reference to Fig. 1 for convenience of explanation.

First, the control unit 120 sets a use restriction condition of the image providing apparatus (S100).

The use restriction condition is a restriction on use of the image providing apparatus designated by the user, and may be a condition relating to a specific date, time, and the like.

The control unit 120 can set a use restriction condition in a form that receives the condition regarding use restriction from the user through the communication unit 110 and applies it to the image providing apparatus or the image providing apparatus control apparatus 100. [

More specifically, when a use restriction condition is applied to the image providing apparatus, a signal related to use that satisfies the use restriction condition is received through the communication unit 110, and the image providing apparatus control apparatus 100 The control unit 120 may receive a signal related to use of the image providing apparatus through the communication unit 110 and determine whether the use restriction condition of the signal satisfies the use restriction condition.

The control unit 120 applies the lock function to the image providing apparatus when the use restriction condition is satisfied (S110).

When the use restriction condition is satisfied, that is, for example, when the user's access to the use of the image providing apparatus is detected at a specific time when the use restriction condition is set such that the image providing apparatus can not be used, To the image providing apparatus. According to one embodiment of the present invention, the locking function may include one or more of displaying the specific information only in the display area of the image providing apparatus, preventing the information from being displayed, or preventing the voice function from being provided , And may also display a menu interface for authentication which may further disable the lock function.

More specifically, the locking function according to an exemplary embodiment of the present invention is performed by controlling the output state of the image providing apparatus, not by the specific contents provided by the image providing apparatus, A function of displaying only specific information without displaying the content, preventing the display of any information before authentication, or preventing the audio function of the content provided by the image providing apparatus from being provided. At this time, The information displayed in the display area of the image providing apparatus when applied may be information on the use restriction condition, information on the authentication request, and a menu interface related thereto.

When the locking function is applied to the image providing apparatus, the control unit 120 requests the portable terminal having the authentication authority through the communication unit 110 to perform authentication for releasing the locking function (S120).

The portable terminal having the authentication authority means a portable terminal set in advance to have a right to control through the image providing apparatus control apparatus 100. According to an embodiment of the present invention, have.

In addition, according to an embodiment of the present invention, the communication unit 110 may request authentication from the portable terminal through a network cable that can be connected to the Internet connected to the image providing apparatus. In this case, The image providing apparatus control apparatus 100 is implemented in the form of web-based application software such as an HTML-based web application and is connected to a portable terminal through a network cable capable of accessing the Internet connected to the image providing apparatus, Lt; / RTI >

The user of the portable terminal having the authentication authority can be requested to be authenticated through the application installed in advance in the portable terminal so as to have the authority concerning the control such as the authentication and so on. Performing such authentication will be described later in more detail in step S130.

If authentication is performed according to the authentication request, the control unit 120 cancels the locking function applied to the image providing apparatus (S130).

The authentication according to the authentication request may be performed by receiving the unique identification information of the portable terminal having the authentication authority or by receiving the security code such as the authentication password to the portable terminal having the authentication authority . In the case where there are a plurality of portable terminals having the authentication authority and a plurality of portable terminals having the authentication authority, if authentication is requested from a plurality of terminals and authentication is performed from at least one terminal, May be implemented in such a manner as to release it.

At this time, the user of the portable terminal having the authentication authority can newly set the use restriction condition or the use condition while performing the authentication.

For example, if the use restriction condition is set to a specific time, and the use restriction condition is set so that the image providing apparatus can not be used from 20:00 to 24:00, authentication that receives the authentication request at 21:00 The user of the authorized portable terminal performs the authentication and releases the lock function of the image providing apparatus and newly sets the use restriction condition from 22:00 to 24:00 and displays the image from 21:00 to 22:00 The use condition of the image providing apparatus can be set so that the use of the apparatus can be used or the image providing apparatus can be used from 21:00 to 22:00 only for the received authentication request without changing the use restriction condition.

3A to 3D illustrate an aspect of controlling an image providing apparatus according to an embodiment of the present invention.

3A shows an example in which the use restriction setting 210 is displayed on the display area of the image providing apparatus 200. According to FIG. 3A, the usage restriction setting 210 may be set as a specific time from 20:00 to 8:00, and the use restriction setting 210 may be set to a specific time, a specific date, A specific time, and the like.

3B shows an example of the display area of the image providing apparatus 200 when the use restriction is satisfied in the image providing apparatus 200 in which the use restriction is set.

As shown in FIG. 3B, instead of displaying the content provided by the image providing apparatus 200, a message 220 such as 'Restricted use' is displayed, thereby indicating that the use restriction setting is set for the user of the image providing apparatus 200 And may display a menu interface for releasing the lock function according to the use restriction condition such as 'menu interface 230 for selecting an authentication method'.

At this time, the user of the image providing apparatus may release the lock function by using the remote control of the image providing apparatus. However, if the security code such as the authentication password is unknown or the user is not authorized, authentication through the portable terminal is selected So that an authorized user can be authenticated.

3C, when the authentication method is selected through the menu interface provided in the image providing apparatus 200 to which the lock function is applied, the 'authentication number' can be entered in the display area of the image providing apparatus 200 The interface 240 may be displayed, or a message may be displayed indicating that the terminal is in a waiting state after requesting authentication, and may be informed of the status of authentication through various types of messages.

According to FIG. 3D, when the user of the portable terminal having the authentication authority sets the use condition while performing the authentication according to the authentication request, the image providing apparatus 200 transmits the message ' Condition " message 260 may be displayed together. Similarly, if the user of the portable terminal having the authentication right newly sets the use restriction condition, the message 260 may be displayed.

As described above with reference to FIGS. 1 to 3, in controlling the image providing apparatus, by controlling the output state of the image providing apparatus, not by controlling the contents provided by the image providing apparatus, It is possible to control the use of the image providing apparatus using the portable terminal having the authentication authority. At this time, only the specific information is displayed in the display area of the image providing apparatus, the information is not displayed, The output state of the image providing apparatus can be controlled.

Each block of the accompanying block diagrams and combinations of steps of the flowchart may be performed by computer program instructions. These computer program instructions may be loaded into a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, And means for performing the functions described in each step are created. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible for the instructions stored in the block diagram to produce a manufacturing item containing instruction means for performing the functions described in each block or flowchart of the block diagram. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible that the instructions that perform the processing equipment provide the steps for executing the functions described in each block of the block diagram and at each step of the flowchart.

In this specification, each block may represent a portion of a module, segment, or code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative implementations, the functions mentioned in the blocks may occur out of order. For example, two blocks shown in succession may actually be executed substantially concurrently, or the blocks may sometimes be performed in reverse order according to the corresponding function.

The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software module may reside in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a removable disk, a CD-ROM or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor, which is capable of reading information from, and writing information to, the storage medium. Alternatively, the storage medium may be integral with the processor. The processor and the storage medium may reside within an application specific integrated circuit (ASIC). The ASIC may reside within the user terminal. Alternatively, the processor and the storage medium may reside as discrete components in a user terminal.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the present invention is not limited to the disclosed exemplary embodiments, but various changes and modifications may be made without departing from the spirit and scope of the invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: image providing apparatus control device
110:
120:
200: image providing device
210, 220, 250, 260: Messages
230, 240: interface

Claims (11)

Setting a use restriction condition of the image providing apparatus;
Applying a lock function to the image providing apparatus when the use restriction condition is satisfied;
Requesting the portable terminal having the authentication authority to perform authentication for releasing the lock function applied to the image providing apparatus; And
And releasing the lock function if the authentication is performed according to an authentication request. The method according to claim 1,
Wherein the lock function includes at least one of displaying specific information only in a display area of the image providing apparatus, preventing information from being displayed, or preventing a voice function from being provided, Wherein the display unit displays a menu interface related to the authentication that can be performed by the portable terminal. The method according to claim 1,
Wherein the step of requesting authentication to cancel the lock function applied to the image providing apparatus to the portable terminal having the authentication authority comprises:
And requesting the authentication through a network cable connected to the image providing apparatus. The method according to claim 1,
Wherein when the authentication is performed according to the authentication request,
Wherein the use restriction condition is newly set or the usage condition is set from the portable terminal having the authentication authority. The method according to claim 1,
Wherein the plurality of portable terminals having the authentication right are plural. Setting a use restriction condition of the image providing apparatus,
And applying a lock function to the image providing apparatus when the use restriction condition is satisfied,
Requesting the portable terminal having the authentication authority to perform authentication for releasing the lock function applied to the image providing apparatus,
And if the authentication is performed in response to an authentication request, release the locking function. The method according to claim 6,
Wherein the lock function includes at least one of displaying specific information only in a display area of the image providing apparatus, preventing information from being displayed, or preventing a voice function from being provided, Wherein the display means is operable to display a menu interface relating to the authentication. The method according to claim 6,
Wherein the set of commands for requesting authentication to cancel the lock function applied to the image providing apparatus to the portable terminal having the authentication right is stored in the storage unit,
Characterized in that the computer readable medium is a set of instructions for requesting the authentication via a network cable connected to the image providing device. The method according to claim 6,
Wherein, when the authentication is performed according to the authentication request, the set of instructions for releasing the lock function,
And a set of instructions capable of newly setting the use restriction condition or setting a use condition from the portable terminal having the authentication authority. The method according to claim 6,
And a plurality of portable terminals having the authentication right are provided. A control unit for setting a use restriction condition of the image providing apparatus, applying a lock function to the image providing apparatus when the use restriction condition is satisfied, and releasing the lock function when authentication is performed according to the authentication request; And
And a communication unit for requesting the portable terminal having the authentication authority to perform the authentication for releasing the lock function applied to the image providing apparatus.
KR1020140045361A 2014-04-16 2014-04-16 Method and apparatus for controlling the image providing apparatus by mobile terminal KR20150119665A (en)

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