KR20150105159A

KR20150105159A - Method of providing cloud print service using mobile application, cloud print server and system for performing the same

Info

Publication number: KR20150105159A
Application number: KR1020140027466A
Authority: KR
Inventors: 권용찬; 소재영; 연정모; 임종윤; 최환준
Original assignee: 삼성전자주식회사
Priority date: 2014-03-07
Filing date: 2014-03-07
Publication date: 2015-09-16

Abstract

A method of providing a cloud print service using a mobile application according to an embodiment of the present invention includes: executing a mobile application; Opening a shared room by inviting output devices registered in another user and server subscribed to the cloud print service; And sharing the content through the shared area.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method of providing a cloud print service using a mobile application, a cloud print server and a system for performing the method,

The present invention relates to a cloud print system and a method for providing a cloud print service, and more particularly to a method and system for providing a cloud print service through a mobile application.

The cloud print service is a print service provided on a cloud computing basis, and a series of operations for print processing are performed on the Internet. The cloud print service has a relatively low restriction according to the user environment, and has the advantage of being able to flexibly determine the resources used for the print job according to the service usage, and thus the demand is increasing recently.

On the other hand, since most people carry the mobile terminal today, it is possible to provide the cloud print service through the mobile terminal, thereby improving the user's convenience.

A method for providing a cloud print service through a mobile application in a mobile terminal, and a system for performing the method.

According to an aspect of the present invention, there is provided a method of providing a cloud print service using a mobile application, the method comprising: executing a mobile application; Opening a shared room by inviting output devices registered in another user and server subscribed to the cloud print service; And sharing the content through the shared area.

According to the embodiment of the present invention, since the cloud print service can be provided through the mobile application installed in the mobile terminal, user convenience is improved.

1 is a diagram illustrating a cloud print system provided through a mobile application according to an exemplary embodiment of the present invention.
2 is a diagram showing an example of establishing a shared room and inviting other users and devices to a shared room.
3 is a detailed block diagram of a cloud print server for providing a cloud print service using a mobile application according to an embodiment of the present invention.
4 is a diagram illustrating a detailed configuration of a mobile terminal for providing a cloud print service using a mobile application according to an embodiment of the present invention.
5 is a diagram illustrating UI screens displayed in a process of subscribing to a cloud print service through a mobile application according to an exemplary embodiment of the present invention.
6 is a diagram illustrating UI screens displayed in a process of additionally registering a device in a mobile application according to an embodiment of the present invention.
7 is a diagram illustrating UI screens displayed in a process of opening a sharing room by inviting an output device in a mobile application according to an exemplary embodiment of the present invention and outputting content from a device through a shared room.
FIGS. 8A and 8B are diagrams illustrating UI screens displayed in a process of transmitting content to another user through a shared room in a mobile application according to an exemplary embodiment of the present invention, and outputting content using a device, Fig.
FIG. 9 is a screen showing a UI screen displaying the status of devices participating in a shared room of a mobile application according to an embodiment of the present invention.
10 is a diagram illustrating UI screens displayed in a process of controlling content displayed on a device for output in a mobile application according to an exemplary embodiment of the present invention.
11 is a diagram illustrating UI screens displayed in a process of adding a note to a document shared in a shared area of a mobile application according to an embodiment of the present invention.
FIG. 12 is a diagram illustrating UI screens displayed in a process of confirming and managing the history of contents shared in a shared room in a mobile application according to an exemplary embodiment of the present invention.
13 to 16 are flowcharts for explaining a method of providing a cloud print service using a mobile application according to embodiments of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In order to more clearly describe the features of the embodiments, a detailed description will be omitted with respect to matters that are widely known to those skilled in the art to which the following embodiments belong.

1 is a diagram illustrating a cloud print system provided through a mobile application according to an exemplary embodiment of the present invention. Referring to FIG. 1, a cloud print system provided through a mobile application according to an exemplary embodiment of the present invention may include a cloud print server 100, mobile terminals 210 and 220, and output devices. At this time, the output devices may include an image forming apparatus 310 capable of printing output, a TV 320 capable of displaying output, and the like.

The mobile terminals 210 and 220 may be installed and executed with a mobile application for using the cloud print service, and the mobile terminals 210 and 220 may be registered with the cloud print service. In detail, when a mobile application is installed in the mobile terminals 210 and 220 and a predetermined registration process is performed, a user account is created with the phone numbers of the mobile terminals 210 and 220 and registered in the cloud print server 100.

The output device includes all devices that support various types of output such as the image forming apparatus 310 or the TV 320. [ The image forming apparatus 310 supports the output of the print form, and the TV 320 supports the output of the display form. The content used in the cloud print service generally includes text or images such as documents, pictures, etc., so that various devices supporting output to such contents can be included. For example, devices capable of image output such as a monitor, a notebook, and the like, and devices capable of printing output such as a printer and a multifunction peripheral, may all be included.

The output devices may be registered with the cloud print server 100 to correspond to the telephone numbers of at least one mobile terminal 210, 220. The usage right for the output device registered in the cloud print server 100 is given to the user account of the corresponding telephone number. For example, if the image forming apparatus 310 is registered in the cloud print server 100 so as to correspond to the telephone number of the mobile 1 210, the user 1 10 having the user account of the telephone number of the mobile 1 210 And the use authority for the image forming apparatus 310 is obtained.

When the mobile terminals 210 and 220 are registered in the cloud print service, cloud print can be performed by transmitting and sharing contents with other mobile terminals or output devices registered in the cloud print service. Such an operation can be performed through a mobile application installed in the mobile terminals 210 and 220. In particular, an embodiment of the present invention provides a method of transmitting and sharing contents through a sharing room.

A user who subscribes to the cloud print service can open a shared room on the mobile application and invite other users subscribed to the cloud print service and the output device having usage rights to the shared room.

2 is a diagram showing an example of establishing a shared room and inviting other users and devices to a shared room. The user 1 10 and the user 2 20 have joined the cloud print service by using the telephone numbers of the mobile 1 210 and the mobile 2 220 as the user accounts respectively and correspond to the telephone number of the mobile 1 210 Assume that the image forming apparatus 310 is registered in the cloud print server 100. 2, the user 1 10 executes a mobile application in the first mobile 210 and establishes a shared room. The second user 20 and the first user 10, who are other users subscribed to the cloud print service, The image forming apparatus 310 which is an authorized output device can be invited to the shared room.

When the invited user 2 (20) and the image forming apparatus 310 join the shared room, the contents can be transferred and shared via the shared room. When the participation is completed, the participant participant is displayed on the application screen displayed on the display unit of the mobile terminal 210. At this time, the sharing room may be opened at the same time as the invitation, or the guest room may be additionally invited while the shared room is opened. The detailed operation of transmission and sharing of contents through the sharing room will be described in detail with reference to the drawings of the UI screen displayed in the process below.

3 is a detailed block diagram of a cloud print server for providing a cloud print service using a mobile application according to an embodiment of the present invention.

3, a cloud print server 100 according to an exemplary embodiment of the present invention includes a communication interface unit 110, a controller 120, a storage unit 130, a rendering unit 140, and a shareware management unit 150 ). In addition, an HTML converter 160 may be additionally included.

The communication interface unit 110 is a configuration for performing communication with mobile terminals and output devices via the Internet or the like.

The control unit 120 controls the operation of other components included in the cloud print server 100, and controls the series of operations for providing the cloud print service.

In the storage unit 130, account information subscribed to the service, device information registered to correspond to each account, and contents transmitted and received through the cloud print service can be stored.

The rendering unit 140 performs rendering to convert the content into a form that can be output from the output device. The rendering unit 140 may be implemented as a component included in the cloud print server 100 as shown or may be implemented as a separate server for rendering.

The shared room management unit 150 manages the shared room that is established on the mobile application executed in the mobile terminal connected to the cloud print server 100. For example, it sends a sharing invite message to a mobile terminal or manages a list of mobile terminals or devices for output participating in a shared room. In addition, contents to be transmitted and shared via the shared network are stored in the storage unit 130 or transmitted to a destination terminal or a device. The shared room management unit 150 may physically be implemented by a single processor together with the control unit 120. [

The HTML converter 160 is a structure that can be optionally provided as needed, and performs a function of converting the content transmitted and received into the HTML format. HTML formatted files are sometimes used in technology for transmitting and receiving contents, since it is easy to convert and has an advantage of being able to interpret and display an HTML file if the device is equipped with a web browser.

The specific operations of the components included in the cloud print server 100, particularly, the shareware management unit 150 will be described in detail below with reference to the UI screens of the mobile application.

4 is a diagram illustrating a detailed configuration of a mobile terminal for providing a cloud print service using a mobile application according to an embodiment of the present invention.

4, a mobile terminal 200 according to an exemplary embodiment of the present invention includes a communication interface 210, a controller 220, a storage 230, an application execution unit 240, an NFC module 250, . &Lt; / RTI >

The communication interface unit 210 is configured to communicate with the cloud print server via the Internet or the like.

The control unit 220 controls the operation of other components included in the mobile terminal 200, and performs a series of operations for providing a cloud print service using a mobile application.

Various contents can be stored in the storage unit 230, and data necessary for executing a mobile application can be stored. Option settings may also be stored on the mobile application.

The application execution unit 240 is a configuration for executing a mobile application. The application executing unit 240 may perform processes for opening a shared area on a mobile application and for transferring and sharing contents in an invitation and sharing area. In detail, when a sharing room is opened or a sharing room invitation is made, it is notified to the cloud print server so that the sharing room can be managed. When the content is transmitted or shared through the sharing unit, the content stored in the storage unit 230 is transmitted to the cloud print server through the communication interface unit 210, the content stored in the cloud print server is received, To the output device.

The NFC module 250 may be optionally provided as needed. The NFC module 250 may be used to register the output device with the cloud print server. Specifically, when the mobile terminal 200 is tagged in an NFC tag storing device information of the output device, the NFC module 250 obtains the stored device information from the NFC tag. The control unit 220 transmits the acquired device information to the cloud print server together with the phone number of the mobile terminal 200 so that the output device can be registered to the device corresponding to the phone number of the mobile terminal 200. [ In addition, the NFC module 250

The specific operations of the components included in the mobile terminal 200, particularly, the application execution unit 240 will be described in detail below with reference to the UI screens of the mobile application.

Hereinafter, a method of using a cloud print service using a mobile application according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 to 12 showing UI screens of a mobile application. Here, the configurations of FIG. 3 and FIG. 4 are also described together.

5 is a diagram illustrating UI screens displayed in a process of subscribing to a cloud print service through a mobile application according to an exemplary embodiment of the present invention.

The first screen 500a is a UI screen displayed when the mobile application is installed for the first time after the mobile application is installed. When the "Phone number" 501 is selected in the first screen 500a, a UI screen for receiving a telephone number is displayed as in the second UI screen 500b.

If the phone number of the mobile terminal is entered in the phone number input field 502 displayed on the second UI screen 500b and "Register" is selected, the user is subscribed to the cloud print service using the inputted phone number as the user account, (500c). On the third UI screen 500c, a list 503 of output devices that can be registered as a device buddy is displayed. In this case, the device buddy means a device registered in the server so that the cloud print service can be used.

The registerable output devices can be searched in various ways, such as an image forming device or TV, which can be registered through an AP (Access Point), for example.

When devices are selected from the list 503 of registerable output devices displayed on the third UI screen 500c, the selected devices are registered with the cloud print server so as to correspond to the phone numbers of the mobile terminals. In Fig. 5, the image forming apparatus of " SCX-621 " and the TV of " Smart TV " were selected.

When the subscription to the cloud print service and the device registration are completed, the fourth UI screen 500d is displayed. A device buddy list 504 and a buddy list 505 are displayed on the fourth UI screen 500d. The device buddy is a device registered in the server to enable the use of the cloud print service as described above, and the buddy means another user who can use the cloud print service. The method of configuring the buddy list (505) at the time of first subscription compares the contacts stored in the mobile terminal with the phone numbers registered in the cloud print server, and constructs a buddy list of users corresponding to the matching phone numbers. That is, among the people stored in the contact, the user subscribed to the cloud print service is registered as a buddy and appears in the buddy list 505. [

5, the mobile application 200 is executed by the application execution unit 240 of the mobile terminal 200. FIG. When "Register" is selected after inputting the phone number on the second UI screen 500b, the application executing unit 240 transmits the input phone number to the cloud print server 100 through the communication interface unit 210. [ The controller of the cloud print server 100 stores the received phone number in the user account table of the storage unit 130, thereby completing account registration.

If the output device is selected on the third UI screen 500c, the control unit 120 maps the MAC address of the selected device to the telephone number of the mobile terminal 200 and stores the mapped MAC address in the storage unit 130. [

When the account registration is completed, the cloud print server 100 provides the buddy list to the mobile terminal 200 based on the contact information received from the mobile terminal 200.

6 is a diagram illustrating UI screens displayed in a process of additionally registering a device in a mobile application according to an embodiment of the present invention.

In the first UI screen 600a of FIG. 6, the device buddy list 601 and the buddy list 602 are displayed with the buddy menu 610 selected. When the buddy add icon 609 is selected on the first UI screen 600a, the second UI screen 600b is switched.

Menus 611, 612, 613, and 614 of various methods for adding a buddy are displayed on the second UI screen 600b. Below, a list 603 of devices that can be registered as device buddies and a list 604 of users who can register as buddies are displayed. When "SCX-620" is selected from the registerable device list 603 as shown in FIG. 6, the selected device is registered in the cloud print server, and the UI screen is switched to the third UI screen 600c. The already registered device "SCX-620" disappears in the registerable device list 605 of the third UI screen 600c.

After the device is registered, the fourth UI screen 600d is displayed by returning to the buddy menu 610 again from the buddy addition menu. It can be seen that the newly registered device "SCX-620" is added to the device buddy list 607 of the fourth UI screen 600d.

On the other hand, the output device can be registered as a device buddy in various other ways. Referring to the second UI screen 600b, if the first menu 611 is selected, the device buddy is registered according to the method described with reference to FIG. If the second menu 612 is selected, registration can be performed by inputting the ID or serial number of the device to be registered. When the third menu 613 is selected, the device can be registered in the server through reading of the QR code in which the device information is stored. At this time, assuming that the device is a printer, the printer ID and the QR code may be printed on the demo page output upon completion of the printer installation.

When the fourth menu 614 is selected, device registration can be easily performed by NFC tagging the mobile terminal to the output device.

6, the control unit 120 of the cloud print server 100 maps the MAC address of the added device to the phone number of the mobile terminal 200 and stores the mapped address in the storage unit 130. FIG.

7 is a diagram illustrating UI screens displayed in a process of opening a sharing room by inviting an output device in a mobile application according to an exemplary embodiment of the present invention and outputting content from a device through a shared room.

In the first UI screen 700a of FIG. 7, a list 701 of sharing rooms currently participating is displayed while the sharing menu 720 is selected. To enter a shared room that is already participating, select the shared room item in the list 701. On the other hand, in order to open a new shared room, the user selects the shared room addition icon 721 in the upper right corner. When the sharing-room addition icon 721 is selected, it is switched to the second UI screen 700b.

In the second UI screen 700b, a screen for selecting buddies to be invited to a newly opened shared room is shown. A device buddy list 702 and a buddy list 703 are displayed on the second UI screen 700b. At this time, the device buddy displayed in the device buddy list 702 may be displayed as a device name such as " Smart TV " or may be displayed as a device location and model name such as " 7th Meeting room (SCX-621) . It may also be displayed in various ways to identify the device.

In Fig. 7, " 7th Meeting room (SCX-621) " is selected in the device buddy list 702. [ As a result, a shared room screen is displayed as in the third UI screen 700c, and buddies participating in the shared room are displayed in the area 723. In the area 730, a menu for operations that can be performed in the shared room is displayed. The user can select any one of the menus displayed in the area 730 and directly transmit the selected photographs to the sharing room by selecting them, or transmit them to the sharing room by selecting one of the photographs stored in the mobile terminal, . In FIG. 7, the document transmission menu 731 is selected among the menus of the 730 area.

When the user selects a document to be transmitted after the document transmission menu 731 is selected on the third UI screen 700c, the document selected in the shared area is transmitted and shared with the fourth UI screen 700d. When a document is transmitted, a preview of the transmitted document is displayed in a shared room in the form of a thumbnail 740. The file name 741 of the document is also displayed in the thumbnail 740. A document output icon 742 is displayed in the lower portion of the thumbnail 740. The user can output the document corresponding to the thumbnail 740 by selecting the document output icon 742. [ At this time, the output of the document is performed by the device buddy "7th Meeting room (SCX-621)" participating in the sharing room.

In this embodiment, the document is printed according to the document output command because the device buddy participating in the shared room is the image forming apparatus. However, if " Smart TV " is selected in the second UI screen 700b and participated in the shared room, Depending on the attribute, the document is displayed on the TV screen corresponding to " Smart TV ".

On the other hand, if there are a plurality of output devices participating in the shared room, a UI screen for selecting a device for output according to the content output command is displayed. If the user selects a device to perform the output, do.

In this way, the user can open the shared room in the mobile application and invite the device buddy to the shared room to easily output the content from the corresponding device. At this time, the output of the content is determined according to the attribute of the output device participating in the sharing room.

7, the application execution unit 240 of the mobile terminal 200 informs the cloud print server 100 of the establishment of the shared network, and the shared network management unit 150 of the cloud print server 100 requests the sharing network . In detail, the sharing service management unit 150 manages a list of buddies participating in the sharing room, and when contents are shared in the sharing room, the sharing service management unit 150 receives the corresponding contents files from the mobile terminal 200 and stores them in the storage unit 130. At this time, the received content file may be converted into HTML format by the HTML converter 160 and stored in the storage unit 130. [

In addition, the sharing unit management unit 150 provides a preview thumbnail of the shared file to the mobile terminal 200. When the HTML converter 160 is provided, the sharing unit management unit 150 transmits the converted file to the HTML format to the mobile terminal 200, The application execution unit 240 of the mobile terminal 200 displays this as a thumbnail 740 in the shared area.

When the output menu 742 is selected on the fourth UI screen 700d, the share managing unit 150 extracts a file corresponding to the thumbnail 740 from the storage unit 130, and transmits the extracted file to the rendering performing unit 140 So that rendering is performed.

FIGS. 8A and 8B are diagrams illustrating UI screens displayed in a process of transmitting content to another user through a shared room in a mobile application according to an exemplary embodiment of the present invention, and outputting content using a device, Fig. In particular, FIG. 8A shows the UI screens displayed on the mobile terminal of the sender "Carol", and FIG. 8B shows the UI screens displayed on the mobile terminal of the receiver "Stella".

In the first UI screen 800a of FIG. 8A, the sharing menu 820 is selected. At this time, the list 801 of the currently shared rooms is displayed as described above. When the sender "Carol" selects the shared-room addition icon 821 on the first UI screen 800a, it is switched to the second UI screen 800b.

The second UI screen 800b shows a screen for selecting buddies to be invited to a newly opened shared room. A device buddy list 802 and a buddy list 803 are displayed on the second UI screen 800b.

In FIG. 8, the sender "Carol" selects "7th Meeting room (SCX-621)" in the device buddy list 802 and selects "Stella" as the recipient in the buddy list 803. As a result, a shared room screen is displayed as in the third UI screen 800c, and buddies participating in the shared room are displayed in the 823 area. In the area 830, a menu for operations that can be performed in the shared room is displayed, and " Carol " selects the document transmission menu 831.

When the sender "Carol" selects a document to be transmitted after the document transmission menu 831 is selected in the third UI screen 800c, the document selected in the shared area is transmitted and shared with the fourth UI screen 800d. When a document is transmitted, a preview of the transmitted document is displayed in a shared room in the form of a thumbnail 840. The file name 841 of the document is also displayed in the thumbnail 840. A document output icon 842 is displayed in the lower portion of the thumbnail 840. At this time, when the sender "Carol" selects the document output icon 842 on his mobile terminal, the "7th Meeting Room (SCX-621)" participating in the sharing room prints the document corresponding to the thumbnail 840. This is the same as that described above with reference to FIG.

Now, the UI screens displayed on the mobile terminal of the recipient " Stella " will be described with reference to FIG. 8B.

In the fifth UI screen 800e of FIG. 8B, a sharing room is displayed, and thumbnails 850 and file names 851 of documents shared with buddies participating in a shared space are displayed. This is similar to the UI screen displayed on the mobile terminal of the sender " Carol " The fifth UI screen 800e is different from the fifth UI screen 800e in that a storage menu 852, a print menu 853, and a display menu 854 are displayed. The recipient " Stella " can save the document file shared in the shared room to his mobile terminal by selecting the save menu 852 in the fifth UI screen 800e. It is also possible to print or display the shared document by selecting the print menu 853 or the display menu 854.

8B, when "Stella" selects the print menu 853, a pop-up 860 for selecting a device to be printed is displayed like the sixth UI screen 800f. In FIG. 8B, only one device is displayed in the list because there is only one output device participating in the shared room. However, if two or more devices are participating in the shared space, two or more devices are displayed in the list, .

When the device is selected on the sixth UI screen 800f and the ok button is selected, printing of the shared document is performed. When the printing is completed, a message indicating that the printing operation is completed in the area 870 as in the seventh UI screen 800g Is displayed.

The operations of the cloud print server 100 and the mobile terminal 200 in FIGS. 8A and 8B are similar to those described above with reference to FIG.

FIG. 9 is a screen showing a UI screen displaying the status of devices participating in a shared room of a mobile application according to an embodiment of the present invention.

Referring to FIG. 9, a sharing room is displayed on the UI screen 900, and a buddy list participating in the sharing room is displayed in the area 910. In the area 920, the status information of the device "SCX-621" participating in the shared room is displayed. The displayed status information includes whether or not the current job can be performed and print option information.

Also, in the shared room, a message indicating that the participating devices such as "SCX-621 is Ready" is currently available is displayed in the 930 area. The user can easily check the status information of the device displayed in the shared room and determine whether the option is available or not.

9, the shared-room management unit 150 of the cloud print server 100 confirms the option settings and status of devices participating in the shared room, and transmits information to the mobile terminal 200 so as to display the options in a form of a message in the shared room .

10 is a diagram illustrating UI screens displayed in a process of controlling content displayed on a device for output in a mobile application according to an exemplary embodiment of the present invention.

Referring to FIG. 10, in the first UI screen 1000a, the user can select the display menu 1023 to display a document shared in the device "Smart TV" participating in the sharing area.

When a document is displayed in the " Smart TV ", a screen for remotely controlling the display of the document is displayed on the mobile terminal, such as the second UI screen 1000b. In the area 1030 of the second UI screen 1000b, a message indicating that the current display is being controlled is displayed. In the area 1041, the number of pages of the entire document and the page of the currently displayed document are displayed. In the area 1042, The time was displayed. And the document currently being displayed is indicated by a thumbnail 1040.

When the user touches and slides the thumbnail 1040 on the second UI screen 1000b, a screen converted to the next page as the third UI screen 1000c is displayed.

In this manner, while displaying a document shared in the shared room on the device, the user can control the screen displayed on the UI screen of the mobile application.

In FIG. 10, the application execution unit 240 of the mobile terminal 200 transmits display control contents on the mobile application to the cloud print server 100, and the sharing service management unit 150 sends control commands Lt; / RTI >

11 is a diagram illustrating UI screens displayed in a process of adding a note to a document shared in a shared area of a mobile application according to an embodiment of the present invention.

In the first UI screen 1100a of FIG. 11, a sharing room is displayed, a buddy list participating in a sharing room is displayed in an area 1110, and a thumbnail 1121 of a shared document is displayed. When the user touches the thumbnail 1121 on the first UI screen 1100a, a function of adding a memo to the document is activated like the second UI screen 1100b.

The user can select the memo menu 1131 on the second UI screen 1100b and add the memo 1133 by touching the screen. To delete the added memo, select the delete menu 1132 and touch the added memo.

When the memo is completed and the storage is selected, a pop-up 1140 for selecting a space for storing a document to which a memo is added is displayed as in the third UI screen 1100c. In Fig. 11, the item " Sharing Window " Then, a thumbnail 1150 of the document to which the memo is added is displayed on the shared room as in the fourth UI screen 1100d. The output to the document with the memo added can also be performed as described above.

11, the application execution unit 240 of the mobile terminal 200 transmits the content to which the memo is added to the cloud print server 100, and the sharing service management unit 150 extracts the content to which the memo is added in a bitmap form And stores it in the storage unit 130.

FIG. 12 is a diagram illustrating UI screens displayed in a process of confirming and managing the history of contents shared in a shared room in a mobile application according to an exemplary embodiment of the present invention.

When the history management menu 1230 is selected on the first UI screen 1200a, shared information (eg, thumbnail images) 1241, 1251 including thumbnails 1241, 1251 of previously shared contents and participant 1242, and 1252 are displayed. The user can easily confirm the sharing history of the contents by checking the displayed screen.

As shown in the first UI screen 1200a, when the screen is scrolled downward, a screen for the previous history is displayed like the second UI screen 1200b.

On the other hand, if there is a shared history but the content is currently deleted, the thumbnail 1241 is displayed as dark as the third UI screen 1200c. Also, if there is a shared history but the shared room is currently deleted, the shared area information 1242 is displayed as dark as the fourth UI screen 1200d.

In FIG. 12, the share managing unit 150 of the cloud print server 100 transmits the content sharing history of the shared room to the mobile terminal 200 according to a request of the mobile terminal 200, and the application executing unit 240 receives the content sharing history Display it on the screen.

13 to 16 are flowcharts for explaining a method of providing a cloud print service using a mobile application according to embodiments of the present invention.

Referring to FIG. 13, in step 1301, a mobile application is executed in a mobile terminal.

In step 1302, another user who is subscribed to the cloud print service and an output device registered in the server are invited to establish a shared network. At this time, the buddy to be invited can be selected using the device buddy and buddy list displayed on the UI screen of the mobile application.

In step 1303, the content is shared through the opened shared area.

14, in step 1401, a mobile application is installed in the mobile terminal, and in step 1402, a phone number of the mobile terminal is input on the registration screen of the mobile application. When a telephone number is input, a list of output devices that can be registered as a device buddy through search is displayed on the screen.

If the user selects at least one of the searched registered output devices in step 1403, the input phone number is registered in the user account in step 1404, and the selected output device is registered in the server to correspond to the telephone number.

Referring to FIG. 15, in step 1501, a mobile application is executed in a mobile terminal.

In step 1502, another user who is subscribed to the cloud print service and the output device registered in the server are invited to open a sharing room. At this time, the buddy to be invited can be selected using the device buddy and buddy list displayed on the UI screen of the mobile application.

In step 1503, the content is transmitted to users participating in the sharing room, i.e., buddies.

In step 1504, the transmitted content is output from the device for output, that is, the device buddy participating in the sharing area.

Referring to FIG. 16, in step 1601, a mobile application is executed in a mobile terminal.

In step 1602, another user who is subscribed to the cloud print service and an output device registered in the server are invited to establish a shared network. At this time, the buddy to be invited can be selected using the device buddy and buddy list displayed on the UI screen of the mobile application.

In step 1603, content is transmitted to users participating in the sharing room, i.e., buddies.

In step 1604, any one of the users participating in the sharing room adds the memo to the transmitted content.

In step 1605, the content added with the memo is shared with the sharing room again.

The present invention has been described with reference to the preferred embodiments. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is indicated by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

100: Cloud print server 10, 20: User
220, 220: mobile terminal 310: image forming apparatus
320: TV

Claims

A method for providing a cloud print service using a mobile application,
Executing a mobile application;
Opening a shared room by inviting output devices registered in another user and server subscribed to the cloud print service; And
And sharing the content via the shared room.