KR101069169B1 - Apparatus and method for providing content using information printed on off-line media - Google Patents

Abstract

Disclosed are an apparatus and method for providing content using information printed on an offline medium. An information providing apparatus according to an aspect of the present invention, the storage unit for storing the content; An identification information generation unit for generating identification information and authentication information corresponding to the content in order to provide the customer with a service for providing the content; A communication unit for transmitting a content corresponding to the identification information to the mobile communication terminal according to a result of the authentication processing according to the authentication information, upon receiving a content request including the identification information and the authentication information from the mobile communication terminal through a communication network; And a content converting unit converting the content stored in the storage unit so that the mobile communication terminal can execute the content only for a valid execution time preset by the customer after receiving the content or executing the content.

Description

Device and method for providing contents using information printed on offline media {Device and method for providing contents using information printed offline medium}

The present invention relates to information providing, and more particularly, to an apparatus and method for providing content using information printed on an offline medium.

Recently, due to the development of a navigation function such as a global positioning system (GPS), most vehicles are equipped with a navigation terminal and are conveniently used to find a route. However, since the navigation terminal can perform its function only outdoors due to the characteristics of GPS, it is mainly used for roads on which vehicles travel.

However, navigation is not available inside large buildings, and still uses offline printed brochures. For example, a user who enters a large event hall has a inconvenience of having to find and confirm a guide map provided in a building to go to a desired place. In addition, in a large place such as an amusement park, a guide book in which each play facility is located is distributed and made so that users can use the play facilities conveniently.

Accordingly, there is a inconvenience in that the user must separately acquire and carry a brochure, and the party distributing the brochure has a cost burden of producing the brochure.

Recently, due to the development of mobile communication technology, almost everyone carries a mobile communication terminal. In particular, smart phones equipped with computing functions have become a popular mobile communication terminals. A smart phone is a next-generation mobile phone with functions such as Internet information search and picture information transmission and reception. It combines the advantages of a mobile phone and a personal digital assistant (PDA). It is an integrated data communication function.

Therefore, the mobile communication terminal may store contents having the contents contained in the above-described guide book, so that users may conveniently obtain necessary information through the mobile communication terminal. There is still the inconvenience of having to search for a website that provides that information whenever there is a.

In addition, if the content provider wants to provide only to the allowed person, a separate authentication process must be performed. In this case, the content is provided only to site subscribers, and both users and information providers suffer inconvenience.

Accordingly, the present invention has been made to solve the above-described problems, and prints the identification information of the content on an offline medium such as an admission ticket provided to the entering customer to more conveniently provide the related content to the mobile communication terminal of the customer It is to provide an apparatus and method that can be.

In addition, the present invention is to provide an apparatus and method for providing a content using information printed on an offline medium that authenticates an entrance customer and provides relevant content only to a legitimate customer.

In another aspect, the present invention is to provide a method and apparatus for providing customized content that can skip the process of selecting the content by providing the content set in the service area where the customer is currently located.

Other objects of the present invention will become more apparent through the preferred embodiments described below.

According to an aspect of the invention, the storage unit for storing the content; An identification information generation unit for generating identification information and authentication information corresponding to the content in order to provide the customer with a service for providing the content; A communication unit for transmitting the content corresponding to the identification information to the mobile communication terminal according to a result of the authentication processing according to the authentication information when receiving a content request including the identification information and the authentication information from the mobile communication terminal through a communication network; And a content converting unit converting the content stored in the storage unit so that the mobile communication terminal executes the content only for a valid execution time preset by the customer after receiving the content or executing the content. An information providing apparatus is provided.

Here, the identification information and the authentication information generated by the identification information generation unit may be transmitted to the ticket office terminal of the customer, and the ticket office terminal may release a ticket on which the identification information and the authentication information are printed.

In addition, the identification information generation unit includes the identification information and the authentication information and generates the access information according to the web page to access the content, the mobile communication terminal may request the content using the access information. have.

And, the storage unit for storing the content and the service area set by the customer who requested the service for providing the content; A location recognizing unit for recognizing a region where the mobile communication terminal is located when a content request is received from the mobile communication terminal through a communication network; A communication unit for transmitting the content corresponding to the service area to the mobile communication terminal when the area is the service area; And a content converting unit converting the content stored in the storage unit so that the mobile communication terminal executes the content only for a valid execution time preset by the customer after receiving the content or executing the content. An information providing apparatus is provided.

Here, the authentication information generation unit for generating authentication information corresponding to the content to provide to the customer; And an authentication processing unit for determining whether an authentication number received from the mobile communication terminal that has transmitted the content request is identical to the authentication information, wherein the content is the mobile communication only when the authentication number is identical with the authentication information. May be transmitted to the terminal.

The authentication information generated by the authentication information generating unit may be transmitted to the ticket office terminal of the customer, and the ticket office terminal may release a ticket on which the authentication information is printed.

According to another aspect of the present invention, in the information providing method in the information providing server connected to the communication network, to generate and store identification information and authentication information corresponding to the content to provide to the customer requesting the provision service for the stored content Converting the content to correspond to a valid execution time set by the customer; Receiving a content request including the identification information and an authentication number from a mobile communication terminal through a communication network; And comparing the authentication information with the authentication number to perform authentication processing, and transmitting the content corresponding to the identification information to the mobile communication terminal according to a result of the authentication processing, wherein the content is provided to the mobile communication terminal. Is provided only after the mobile communication terminal receives the content or after the content is executed during the effective execution time.

A method of providing information in a mobile communication terminal, the method comprising: displaying a user interface screen for inputting identification information by driving an information providing program according to an input execution command; If the identification information is input, transmitting the identification information to a predetermined information providing server through a communication network; Receiving content corresponding to the identification information from the information providing server; And executing the content by driving a program corresponding to the format of the content, wherein information about the valid execution time set in advance by the information providing server is displayed on one side of the screen, wherein the valid execution time is the content. The information providing method is characterized in that the information on the time interval that can be executed after the received or executed.

The receiving of the content may include receiving a request for inputting an authentication number from the information providing server, but only when the information providing server performing authentication processing using the input authentication number determines that the authentication is successful. The content can be sent and received.

According to the present invention, the identification information of the content can be printed on an offline medium such as an admission ticket provided to the entering customer, so that the related content can be provided to the mobile communication terminal of the corresponding customer more conveniently. Desired content can be acquired.

In addition, according to the present invention, by providing the relevant content to the legitimate customer by authenticating the entrance customer, and can be used only for the desired time for the content provider, the content provider can prevent the risk of indiscriminate content abuse. .

In addition, according to the present invention, by providing the content set in the service area where the customer is currently located, the customer can omit the process of selecting the content can be provided more convenience.

1 is a schematic diagram showing an overall system for providing contents using information printed on an offline medium according to an embodiment of the present invention.
2 and 3 are exemplary diagrams showing admission tickets printed with identification information corresponding to contents according to each embodiment of the present invention.
4 is an exemplary view illustrating a user interface screen (UI) according to execution of an information providing program according to an embodiment of the present invention.
5 is a functional block diagram of an information providing apparatus according to an embodiment of the present invention.
6 is an exemplary view showing a web page for content registration according to an embodiment of the present invention.
7 is a flowchart illustrating a content providing process in an entire system according to an embodiment of the present invention.
8 is a flowchart illustrating a content acquisition process in a mobile communication terminal according to an embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in describing the present invention with reference to the accompanying drawings, the same or corresponding elements are denoted by the same reference numerals regardless of the reference numerals, and duplicates thereof. The description will be omitted.

1 is a block diagram schematically illustrating an entire system for providing contents using information printed on an offline medium according to an embodiment of the present invention, and FIGS. 2 and 3 correspond to contents according to each embodiment of the present invention. It is an exemplary view showing an admission ticket printed with identification information.

Referring to Figure 1, the entire system according to the present embodiment is a mobile communication terminal (10-1, 10-2, ..., 10-n, hereinafter referred to as 10), ticket office terminal 30, ticket printing machine 40 ) And the information providing device 50.

The mobile communication terminal 10 is a terminal capable of wireless communication through a communication network, and may be a general mobile phone, a smart phone, a PDA, or the like. For convenience of explanation, hereinafter, the case in which the mobile communication terminal 10 is a smartphone will be described as an example.

When a user goes to a specific place (hereinafter, referred to as a service place) such as an art gallery, a theater, or an amusement park, the user may acquire content corresponding to the service place 100 using the mobile communication terminal 10. For example, when the service place 100 is an art gallery, it is possible to acquire content containing information about art objects that can be viewed at present. Previously, descriptions of art were able to be listened to using a multimedia terminal provided by the museum itself, but according to the present embodiment, a user is conveniently presently using a mobile communication terminal 10 such as his smartphone. You will be able to listen to the description of the works of art.

The information providing device 50 is for providing the mobile communication terminal 10 with specific information (hereinafter referred to as service information), such as information on the artwork in display, building geographic information of the service place, and event information. will be. Similarly, the information providing apparatus 50 is a device capable of communicating through a communication network, and may be, for example, a server. Here, since the service information may be provided in various multimedia such as an image, a sound source, a video, and a document, it will be referred to as content.

The ticket office terminal 30 may be located in any place requiring an entrance ticket such as a zoo, an amusement park, a ski resort, as well as a specific building such as a theater or an art gallery. The ticket office terminal 30 obtains the identification information to be printed on the admission ticket provided to the entering customer from the information providing apparatus 50 and controls the admission ticket printing machine 40 so that the identification information is printed. Of course, the ticket office terminal 30 communicating with the information providing device 50 and the admission ticket printer 40 for printing the admission ticket may be implemented as a single device. In addition, according to an embodiment different from the present embodiment, there is no separate ticket office terminal 30, and the administrator who manages the ticket printer 40 directly displays the identification information generated and issued by the information providing apparatus 50. You can also type.

The identification information is for identifying the content corresponding to the service location to be provided to the mobile communication terminal 10, the information providing device 50 generates identification information for each of the stored content.

For example, the overall scenario for convenience of understanding, if the service place is an art gallery, the administrator of the art gallery registers the content to be provided to the information providing apparatus 50, and the information providing apparatus 50 identifies according to the contents. Generates the information (for example, a serial number such as '12345') and provides it to the manager, and the admission ticket provided to the customer who enters the identification information by the admission ticket printer 40 provided at the service location. Print Therefore, the user who purchased the admission ticket uses the mobile communication terminal 10 of the user to acquire the contents using the identification information printed on the admission ticket.

Identification information for acquiring the contents printed on the admission ticket is shown in FIG. 2. Referring to FIG. 2, the identification information 210 may include an identification number abc and an authentication number 1234 for identifying content. That is, the information providing apparatus 50 identifies the content by using the identification number and authenticates whether or not the user is a legitimate user by using the authentication number to confirm whether the request is made from the authenticated user. This is of course only one embodiment, and the identification information may be simply formed by an identification number, or may not perform a separate authentication procedure. Here, the identification number and the authentication number may be formed of any type of letters such as alphabets, numbers, and symbols.

Referring to FIG. 3 according to another embodiment, the identification information may be implemented as access information in the form of a uniform resource locator (URL) including web page address information that can be accessed by the information providing apparatus 50. That is, the user can access the information providing apparatus 50 using the access information printed on the admission ticket, and can immediately obtain the corresponding content.

Accordingly, for example, if the service place is a zoo, when the user purchases a zoo ticket and accesses the information providing device 50 using the identification information printed on the ticket, the information providing device 50 corresponds to the identification information. The geographic information of the zoo, the animal information of each zone, the day event information and the like is provided to the mobile communication terminal 10 of the customer to enter the content. Therefore, customers who enter can use the mobile communication terminal 10 owned by his or her own mobile communication terminal 10 to check various information of the zoo from time to time and use it usefully.

According to an embodiment of the present disclosure, the mobile communication terminal 10 may be installed with a program (hereinafter, an information providing program) capable of connecting to the information providing apparatus 50 and acquiring related contents only by inputting the identification information. The information providing program may be provided to the mobile communication terminal 10 from the information providing apparatus 50 or a separate server (not shown) on the web.

4 is an exemplary diagram illustrating a user interface screen (UI) according to execution of an information providing program according to an embodiment of the present invention.

Referring to FIG. 4, when the information providing program is executed, an input window 410 for inputting identification information for content to be obtained is displayed, and the user only needs to input identification information in the corresponding input window. (10) can access the information providing server using the access information (URL) preset according to the information providing program, and obtain the corresponding contents by providing the input identification information to the information providing server (reference number 430). Reference).

The mobile communication terminal 10 may display an interface screen 450 displaying content to be checked by a user according to the acquired content. As shown in the figure, for example, it can be checked by selecting the view of the museum information, listening to the description of the art, view the event guide. The museum information and the event guide information may be text or images, and the art description may be in the form of a sound source. In addition, as shown in the drawing, according to an embodiment, the effective time information for executing the corresponding content may be displayed on one side of the screen. Therefore, the user of the mobile communication terminal 10 can recognize the available period of the acquired content.

According to the present embodiment, the user of the mobile communication terminal 10 can obtain the content corresponding to the service location by simply executing the information providing program and inputting only the identification information printed on the admission ticket, regardless of the service location.

Referring back to FIG. 1, in the present exemplary embodiment, the identification information is printed on the admission ticket by the admission ticket printing machine 40, but the present invention is not necessarily limited thereto and can be checked by customers entering a separate brochure, plan card, or the like. The same can be applied to any offline medium.

Hereinafter, the configuration of the information providing apparatus 50 will be described.

5 is a functional block diagram of the information providing apparatus 50 according to an embodiment of the present invention, Figure 6 is an exemplary view showing a web page for content registration according to an embodiment of the present invention.

Referring to FIG. 5, the information providing apparatus 50 according to the present exemplary embodiment includes a storage unit 510 for storing content, a communication unit 530 for communication through a communication network, and a controller 550 for overall control. The controller 550 may include an identification information generator 551, a content converter 553, a location recognizer 555, a web manager 557, and a main controller 559. Here, each functional unit of the controller 550 does not necessarily need to be implemented in hardware, but may be implemented in software such as a program.

The storage unit 510 stores the content. The customer who wants to use the service provided by the information providing apparatus 50, that is, the service place operator, may register the content in the information providing apparatus 50. For example, the zoo operator may register content including information about zoo geographic information, animal information in each zone, event information of the day, etc. of the information providing device 50, and the registered content may be stored in the storage unit 510. Are stored in. For the convenience of the content registration of the customer, the information providing device 50 may operate a website, so that the customer can easily register the content by accessing the website.

In addition, the customer can set the effective execution time for the content while registering the content. The effective execution time according to the present embodiment is information on the time that can be executed in the mobile communication terminal 10 that has acquired the corresponding content. For example, when the effective execution time is 2 hours, the mobile communication terminal 10 that acquired the content is available. ) Will only run for 2 hours. For example, the sound source content according to the description of the art provided in the art gallery is to be able to listen to the sound source after 2 hours after acquiring the content or executing the content. That way, the content itself can be pre-programmed to be automatically deleted when the effective runtime elapses, or it can be pre-set to prevent it from being deleted.

The content stored in the storage unit 510 is converted and stored according to the valid time information set by the customer as described above. Here, the conversion of the content means that the content itself is not converted as described above, but programmed to be used in the mobile communication terminal 10 only during the effective execution time. The content converter 553 of the controller 550 performs the above-described conversion function.

As described above, the identification information generation unit 551 of the controller 550 generates identification information for identifying the stored content at the request of the customer. The generated identification information is provided to the customer.

Referring to FIG. 6, when a customer registers content on a registration page 610 of a site provided by the information providing device 50 and sets an effective execution time, the registration information page 630 identifies identification information corresponding to the content. It can be acquired.

Subsequently, the customer uses the acquired identification information to print the identification information on the admission ticket provided to those who enter the service place, so that the owners of the ticket can acquire the content according to the service place.

In addition, the identification information generated as described with reference to FIG. 1 may be transmitted to the ticket office terminal 30 of the customer.

Referring back to FIG. 5, the location recognizing unit 555 functions to recognize a region where the mobile communication terminal 10 requesting the content is currently located. As a location recognition method, the mobile communication terminal 10 uses the location of the base station with which it is currently communicating, and the mobile communication terminal 10 itself is equipped with a GPS receiver to acquire the corresponding location information from the mobile communication terminal 10. Methods and the like can be used.

The information providing apparatus 50 searches for a service area corresponding to the corresponding location when the location information of the mobile communication terminal 10 which requested the content through the location recognizing unit 555 is obtained. Referring to FIG. 6, when registering content, a customer may register a service area. For example, the zoo may be a service area where the zoo is located. Therefore, when the user of the mobile communication terminal 10 is located in the zoo, the contents according to the zoo can be obtained even without inputting additional identification information. In this case, it may be necessary to provide the content only to a legitimate user (that is, a user entering the zoo), so it is preferable to perform the authentication procedure. An identification number according to reference numeral 630 shown in FIG. 6 may be used as an authentication number.

Referring again to FIG. 5, the web manager 557 of the controller 550 of the information providing apparatus 50 performs a function of controlling a web site that provides a web page or the like as shown in FIG. 6. Of course, it will be apparent to those skilled in the art that the data for maintaining the site may be stored in the storage unit 510 or a separate device coupled through a communication network.

The main controller 559 performs an overall control function so that each functional unit of the controller 550 can perform each function. In particular, the main controller 559 is provided with identification information or location information to be provided to the mobile communication terminal 10 that has performed a content request. A function of searching for the corresponding content in the storage unit 510 is performed.

Hereinafter, an information providing process performed in the information providing apparatus 50 and the mobile communication terminal 10 will be described.

7 is a flowchart illustrating a content providing process in the entire system according to an embodiment of the present invention, and FIG. 8 is a flowchart illustrating a content obtaining process in the mobile communication terminal 10 according to an embodiment of the present invention. to be.

First, referring to FIG. 7, the information providing apparatus 50 receives content from the customer terminal 700 (S710). Here, the customer terminal 700 is a computing device capable of data communication through a communication network to a terminal of an operator operating a service place. For example, the customer terminal 700 may be the ticket office terminal 30 according to FIG. 1.

The information providing device 50 converts and stores the content transmitted from the customer terminal 700 to correspond to the set valid execution time (S720). As described above, the effective execution time may be set by the customer, or when the default value is set and there is no separate setting by the customer, the effective execution time may be set to a preset value.

Thereafter, the information providing device 50 generates identification information corresponding to the stored content (S730), and provides it to the customer terminal 700 (S740). As described above, the identification information may be used for identifying stored content, or may be used for authentication so that the content can be provided only to a user of a valid mobile communication terminal 10.

Subsequently, when the user who has acquired the identification information printed on the admission ticket requests the corresponding content to the information providing apparatus 50 using his mobile communication terminal 10 (S750), the information providing apparatus 50 stores and manages the content. The content corresponding to the identification information received from the mobile communication terminal 10 is extracted (S760) and transmitted to the mobile communication terminal 10 (S770). Here, according to another embodiment, the information providing device 50 recognizes the current location of the mobile communication terminal 10 that requested the content, and recognizes the service location corresponding to the service area corresponding to the location to retrieve the corresponding content. It can also be extracted and provided. In this case, the identification information may be used as authentication information for determining whether the user is a legitimate user.

The mobile communication terminal 10 executes the received content (S780). Here, since the mobile communication terminal 10 can be executed only during the effective execution time set in the content, the overlapping description is omitted.

Hereinafter, a process of acquiring and executing content by the mobile communication terminal 10 will be described.

Referring to FIG. 8, the mobile communication terminal 10 executes an information providing program according to a user's input and accordingly displays a user interface screen for inputting identification information as shown in FIG. 4 (S810).

When the identification information is input from the user (S820), the identification information input to the information providing apparatus 50 is transmitted (S830). The access information (for example, URL or IP address) of the information providing apparatus 50 is stored in the mobile communication terminal 10 by the information providing program. As a result, when the identification information is input, the access information is immediately used. By connecting to the information providing device 50, and transmits the input identification information to request the content according to the identification information.

When the content is received from the information providing apparatus 50 (S840), the mobile communication terminal 10 displays a screen according to the execution of the received content (S850). Here, information on the effective execution time set for the content may be displayed on one side of the screen. In addition, when there are a plurality of received contents, the mobile communication terminal 10 outputs an interface screen (refer to reference numeral 450 of FIG. 4) for allowing a user to select contents to execute.

The above-described content providing method according to the present invention can be embodied as computer readable codes on a computer readable recording medium. Computer-readable recording media include all kinds of recording media having data stored thereon that can be decrypted by a computer system. For example, there may be a read only memory (ROM), a random access memory (RAM), a magnetic tape, a magnetic disk, a flash memory, an optical data storage device, and the like. In addition, the computer-readable recording medium may be distributed and executed in a computer system connected to a computer network, and may be stored and executed as a code readable in a distributed manner.

In addition, while the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art to which the present invention pertains without departing from the spirit and scope of the present invention as set forth in the claims below. It will be understood that various modifications and changes can be made.

10-1, 10-2, ..., 10-n: mobile communication terminal
30: ticket office terminal 40: ticket printing machine
50: information providing device

Claims (10)

delete A storage unit for storing content;
An identification information generation unit for generating identification information and authentication information corresponding to the content in order to provide the customer with a service for providing the content;
A communication unit for transmitting the content corresponding to the identification information to the mobile communication terminal according to a result of the authentication processing according to the authentication information when receiving a content request including the identification information and the authentication information from the mobile communication terminal through a communication network; And
And a content converting unit converting the contents stored in the storage unit so that the mobile communication terminal executes the contents only for a valid execution time preset by the customer after receiving the contents or executing the contents. ,
The identification information and the authentication information generated by the identification information generation unit are transmitted to the ticket office terminal of the customer, and the ticket office terminal provides information, characterized in that to release a ticket printed with the identification information and the authentication information. Device.
A storage unit for storing content;
An identification information generation unit for generating access information on the web page accessible to the content to include identification information and authentication information corresponding to the content;
When a content request using the access information including the identification information and the authentication information is received from a mobile communication terminal through a communication network, the content corresponding to the identification information is transferred to the mobile communication terminal according to a result of the authentication process according to the authentication information. Communication unit for transmitting; And
Content stored in the storage unit so that the mobile communication terminal can execute the content only for a valid execution time set in advance by a customer who requested the service for providing the content after receiving the content or executing the content. Information providing apparatus comprising a content conversion unit for converting.
delete A storage unit for storing contents and a service area set by a customer who requested a service for providing the contents;
A location recognizing unit for recognizing a region where the mobile communication terminal is located when a content request is received from the mobile communication terminal through a communication network;
A communication unit for transmitting the content corresponding to the service area to the mobile communication terminal when the area is the service area;
A content conversion unit converting the content stored in the storage unit so that the mobile communication terminal can execute the content only for a valid execution time preset by the customer after receiving the content or executing the content;
Authentication information generation unit for generating authentication information corresponding to the content to provide to the customer; And
An authentication processing unit for determining whether the authentication information received from the mobile communication terminal that sent the content request is the same as the authentication information,
And the content is transmitted to the mobile communication terminal only when the authentication number and the authentication information match.
A storage unit for storing contents and a service area set by a customer who requested a service for providing the contents;
A location recognizing unit for recognizing a region where the mobile communication terminal is located when a content request is received from the mobile communication terminal through a communication network;
A communication unit for transmitting the content corresponding to the service area to the mobile communication terminal when the area is the service area; And
And a content converting unit converting the contents stored in the storage unit so that the mobile communication terminal executes the contents only for a valid execution time preset by the customer after receiving the contents or executing the contents. ,
The authentication information generated by the authentication information generation unit is transmitted to the ticket office terminal of the customer, the ticket office terminal information release device characterized in that to release a ticket printed with the authentication information.
delete delete In the information providing method in a mobile communication terminal,
Displaying a user interface screen for inputting identification information by driving an information providing program according to an input execution command;
If the identification information is input, transmitting the identification information to a predetermined information providing server through a communication network;
Receiving a request for inputting an authentication number from the information providing server;
Transmitting the inputted authentication number to the information providing server to receive content corresponding to the identification information to be transmitted only when the information providing server performing authentication processing using the authentication number determines that the authentication is successful; And
And executing the content by driving a program corresponding to the type of the content,
The information on the effective execution time set in advance by the information providing server is displayed on one side of the screen, wherein the effective execution time is information on a time interval that can be executed after the content is received or executed. How to Provide Information.
A recording medium in which a combination of instructions for carrying out the method of claim 9 is tangibly embodied and in which a program readable by a digital information processing apparatus is recorded.

Images