KR20170039885A - Apparatus and Method for playing Content in Channel-based Content Providing System - Google Patents

Apparatus and Method for playing Content in Channel-based Content Providing System Download PDF

Info

Publication number
KR20170039885A
KR20170039885A KR1020150139008A KR20150139008A KR20170039885A KR 20170039885 A KR20170039885 A KR 20170039885A KR 1020150139008 A KR1020150139008 A KR 1020150139008A KR 20150139008 A KR20150139008 A KR 20150139008A KR 20170039885 A KR20170039885 A KR 20170039885A
Authority
KR
South Korea
Prior art keywords
channel
content
information
type
providing system
Prior art date
Application number
KR1020150139008A
Other languages
Korean (ko)
Other versions
KR101761015B1 (en
Inventor
이영윤
조다영
오의상
박소라
한정안
송대원
임준순
Original Assignee
주식회사 엘지유플러스
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.)
Filing date
Publication date
Application filed by 주식회사 엘지유플러스 filed Critical 주식회사 엘지유플러스
Priority to KR1020150139008A priority Critical patent/KR101761015B1/en
Publication of KR20170039885A publication Critical patent/KR20170039885A/en
Application granted granted Critical
Publication of KR101761015B1 publication Critical patent/KR101761015B1/en

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2381Adapting the multiplex stream to a specific network, e.g. an Internet Protocol [IP] network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • H04N21/4823End-user interface for program selection using a channel name
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • H04N21/4825End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/482End-user interface for program selection
    • H04N21/4826End-user interface for program selection using recommendation lists, e.g. of programs or channels sorted out according to their score

Abstract

The present invention relates to an apparatus and a method for executing content by channel type in a channel-based content providing system, enabling a user to easily find desired video on demand (VOD) content by channel without searching an existing complex menu category. According to one embodiment of the present invention, the method comprises the following steps of a user terminal: (a) receiving first channel information about a real time channel and second channel information about a content channel from a server in a multicasting mode, and generating and managing a total channel list including the received first and second channel information; (b) receiving content of a predetermined channel, which is selected by a user based on the generated total channel list to be received from the server in a unicasting mode; and (c) confirming a type of the predetermined channel based on the generated total channel list, and operating a player or an application according to the confirmed type to display the received content through a predetermined channel of a display device of the user terminal.

Description

[0001] The present invention relates to an apparatus and a method for executing a content in a channel-based content providing system,

The present invention relates to a channel-based content providing system for providing a VOD (Video On Demand) content desired by a user in an IPTV (Internet Protocol Television) service in an accessible channel format without searching through a complicated menu category. And more particularly, to an apparatus and method for executing contents on a channel type basis in a channel-based content providing system.

In recent years, with the spread of broadband media and the speed of communication, the Internet has emerged as a new medium enabling one source multi service. In other words, multimedia contents provided by a plurality of Internet service providers as well as a plurality of terrestrial television and radio channels are being provided as a broadcasting service through the Internet. In addition to the rapid increase of the Internet usage population, Demand is also on the rise.

As a representative service in this background, an IPTV (Internet Protocol Television) service based on an Internet Protocol is exemplified.

The existing IPTV service system can provide terrestrial broadcasting contents desired by the user through a real-time channel, and can provide VOD contents such as entertainment, movies, dramas, and documentaries at a desired time. It is necessary to search through a complicated menu category separately provided from the real time channel. Since the type and number of VOD contents provided by the existing IPTV service system are considerably large, it is not easy for the user to search for VOD contents of interest There was a problem.

Registered Patent Publication No. 10-0952751 (April 4, 2010. Registered)

It is an object of the present invention to provide a channel-based content providing system that enables users to easily browse VOD contents desired by an IPTV service on a channel-by-channel basis without searching through a complicated menu category And in particular, to provide an apparatus and method for enabling content to be executed for each channel type in a channel-based content providing system.

According to one aspect of the present invention, there is provided an apparatus for executing a content in a channel-based content providing system, the apparatus comprising: a first channel information A management unit for receiving second channel information for a content channel and generating and managing a full channel list including the received first and second channel information; A receiving unit for receiving a content of a specific channel selected from a user based on the generated entire channel list and transmitted from a server in a unicasting manner; And a controller for checking the type of the specific channel on the basis of the generated whole channel list, driving one of the player and the application according to the confirmed type, and transmitting the received content to the user terminal through a specific channel And an execution unit for displaying the data.

According to another aspect of the present invention, there is provided a method of executing a content in a channel-based content providing system, the method comprising the steps of: (a) Receiving first channel information for one channel information and a content channel, and generating and managing an entire channel list including the first channel information and the second channel information; (b) receiving content of a specific channel selected from a user based on the generated entire channel list and transmitted from a server in a unicasting manner; And (c) identifying the type of the specific channel based on the generated entire channel list, driving one of the player and the application according to the identified type, and transmitting the received content to the display device of the user terminal And < / RTI >

The first channel information for the real time channel may include channel information for at least one of an airwave channel, a comprehensive channel, and a home shopping channel, and type information for each corresponding channel, The type information for the player may be one of the first type information to drive the player and the second type information to drive the application.

The second channel information for the content channel includes information about one or more channels organized in a predetermined order in a specific channel and type information for each corresponding channel in a plurality of VOD contents belonging to the same or similar category can do.

According to another aspect of the present invention, there is provided a computer-readable recording medium having recorded thereon a program for causing a computer to execute a method of executing a content in a channel-based content providing system.

According to another aspect of the present invention, there is provided an application stored in a medium for executing a content execution method in the channel-based content providing system in combination with hardware.

According to another aspect of the present invention, there is provided a computer program stored in a medium for causing a computer to execute a method of executing a content in the channel-based content providing system.

As described above, according to various aspects of the present invention, since a plurality of VOD contents belonging to the same or similar categories are arranged and arranged in a predetermined specific channel in order, the VOD contents desired by a user can be searched through a complicated menu category It is possible to provide a content channel service which can increase the accessibility of contents for each channel by making it possible to easily browse through a predetermined channel even if the service provider does not have an IPTV service and to provide an IPTV service including both the existing real- In particular, since the same or similar categories of content that are required to be driven by one of the player and the application are organized for each channel, one of the player and the application is driven according to the type of the specific channel selected from the user, There is an effect that it can be displayed through the corresponding channel of the display device of the horse.

1 is a configuration diagram of a channel-based content providing system according to an embodiment of the present invention;
2 is a configuration diagram of a content execution device in a channel-based content providing system according to an embodiment of the present invention;
3 is a flowchart of a content execution method in a channel-based content providing system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, like reference numerals are used to denote like elements in the drawings, even if they are shown in different drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a block diagram of a channel-based content providing system according to an embodiment of the present invention. As shown in the figure, a communication network 1, a user terminal 2, a display device 3, a real- , And a content channel server (5).

The communication network 1 may be a single network or a combination network that enables communication between the servers 4 and 5 and the user terminal 2 by connecting them by wire, wireless, and / or internet.

The user terminal 2 communicates with the servers 4 and 5 to receive real-time channel information and content channel information transmitted in a multicasting manner from the servers 4 and 5, A set-top box (set-top box) as a broadcast receiving apparatus for IPTV service, for example, a user side terminal apparatus for receiving real-time broadcasting contents or VOD contents selected from the servers 4 and 5 in a unicasting manner, A PDA, a smart phone, a tablet PC, and the like, which are capable of performing voice communication, video communication, data communication, and Internet communication, and the like.

The display device 3 is for reproducing audiovisual contents received through the user terminal 2 and providing a user interface (UI) to the user, and may include a device such as an IPTV, for example.

The user terminal 2 and the display device 3 may be constituted by separate devices independent of each other, or may be constituted by one device coupled to each other.

The real-time channel server 4 and the content channel server 5 represent a server of the IPTV service system for providing an IPTV service to the user through the user terminal 2 and the display device 3. [

The real-time channel server 4 provides a real-time channel service such as an existing IPTV service. The real-time channel service includes a terrestrial channel related service such as KBS, MBC, SBS, a comprehensive channel related service such as JTBC, Services, and the like.

The real-time channel server 4 provides real-time channel information (e.g., terrestrial channel information, comprehensive channel information, home shopping channel information, and the like) including program organizing information to the user terminal 2 through multicasting And provide the selected program contents to the user terminal 2 through a unicasting method based on the real time channel information.

The content channel server 5 is for providing a content channel service. The content channel server 5 organizes a plurality of VOD contents belonging to the same or similar categories in order within a predetermined specific channel, and distributes content channel information including such programming information to the multi The VOD contents can be provided to the user terminal 2 through a multicasting method and can be provided to the user terminal 2 through a unicasting method based on the content channel information.

For example, among the empty channels currently in use in the IPTV service, the content channel server 5 may include an entertainment channel 300, a drama channel 400, a movie channel 500, a foreign channel 700, (Service) channel such as a child channel, a 800 channel, a YouTube channel, a 900 channel, and a family channel, and also specifies a similar entertainment program in each channel of the specified 300 channel, A plurality of VOD contents belonging to a program having the same title) can be organized according to the set order.

The content channel server 5 can organize contents according to the sequence of the series (broadcast sequence, etc.) when a plurality of VOD contents organized in a specific channel are series (continuous planes, continuous broadcasts, etc.).

The content channel server 5 allows a user to browse a VOD content desired by the user through a channel. For example, one VOD content selected from a user through a specific channel among a plurality of VOD contents organized in a specific channel, And may be provided to the terminal 2 to be reproduced on the screen of the specific channel of the display device 3 of the corresponding user terminal 2. [

FIG. 2 is a detailed configuration diagram included in the user terminal 2 of FIG. 1 as a configuration of the content execution device in the channel-based content providing system according to the embodiment of the present invention. As shown in FIG. 2, 21, a receiving unit 23, and an executing unit 25. [

The management unit 21 receives channel information transmitted from the servers 4 and 5 in a multicasting manner and generates and manages a channel list. The management unit 21 receives the first channel information for the real time channel from the real time channel server 4 After receiving the second channel information for the content channel from the content channel server 5, generate and manage the entire channel list including the received first and second channel information.

The first channel information represents information on a real-time service channel, and may include channel information for at least one of an airwave channel, a comprehensive channel, and a home shopping channel, and type information for each corresponding channel.

The second channel information represents information on a content service channel. For example, the second channel information may include information on a plurality of VOD contents belonging to the same or similar categories, And may include type information for the user.

In the present embodiment, the type information for each channel includes first type information for driving a player (or a reproducing apparatus), second type information for driving an application (or an application) However, the present invention can be classified into various types according to the channel programming method.

For example, a channel in which VOD contents are organized and a channel in which real-time broadcast program contents are organized can be classified into a first type channel in which a player is to be driven, and the contents such as pictures, videos, A karaoke channel for providing a karaoke service, a YouTube channel for searching and providing a YouTube, and the like can be classified as a second type channel in which an application should be operated.

The receiving unit 23 is for requesting and receiving contents of a specific channel selected by the user from the servers 4 and 5. When the user selects a content of a specific channel based on the entire channel list generated by the managing unit 21 The receiving unit 23 can request the contents to the servers 4 and 5 and receive contents of a specific channel transmitted from the servers 4 and 5 according to the unicasting method.

The execution unit 25 is for executing the contents of the specific channel received through the receiving unit 23. The executing unit 25 is a unit for executing a specific channel corresponding to the content received through the receiving unit 23 based on the entire channel list generated by the managing unit 21. [ It is possible to confirm the type of the channel and to drive one of the player and the application according to the confirmed type so that the content received via the receiving unit 23 can be displayed on the specific channel of the display device 3 of the user terminal 2 have.

For example, when the specific channel selected by the user is a first type channel, the execution unit 25 can play the corresponding content by playing the player. In another example, if the specific channel selected by the user is a channel of the second type, The content can be executed by driving the application.

FIG. 3 is a flowchart of a content execution method in the channel-based content providing system according to the embodiment of the present invention, and is performed in the user terminal 2 apparatus of FIG.

First, the user terminal 2 receives the first channel information for the real-time channel and the second channel information for the content channel transmitted from the real-time channel server 4 and the content channel server 5 in a multicasting manner S301), and generates and manages a full channel list including first channel information on a real-time service channel, second channel information on a content service channel, and type information corresponding to each channel (S303).

If a channel event is generated in which a specific channel key is pressed or a channel is up / down according to a user's selection (S305), the user terminal 2 transmits a channel for a selected channel in the entire channel list in step S303 (E.g., channel number, content formation information, channel type information, etc.) (S307).

If the content of the specific channel is selected from the user based on the channel information in step S307, the user terminal 2 requests the corresponding server 4 or 5 to receive the content of the specific channel and receives the content of the specific channel in step S309. The channel type of the channel is confirmed (S311).

Finally, when the channel type of the specific channel is the first type channel to be driven by the player (S313), the user terminal 2 drives the corresponding player (S315), and the contents of the specific channel received through the step S309 (S321). If the channel type of the specific channel is the second type channel to which the application should be driven (S317), the corresponding application is driven (S319), and the flow proceeds to step S309 The content of the received specific channel is executed through the display device 3 (S321).

Meanwhile, according to the content execution method in the above-described channel-based content providing system, a computer-readable recording medium on which a program for causing the computer to execute the method can be implemented.

In addition, according to the content execution method in the above-described channel-based content providing system, an application stored in the medium can be implemented in order to execute the method in combination with hardware.

In addition, according to the content execution method in the above-described channel-based content providing system, a computer program stored in a medium can be implemented to execute the method in a computer.

For example, as described above, a method for executing a content in a channel-based content providing system according to an embodiment of the present invention includes a computer-readable recording medium including program instructions for performing various computer-implemented operations, Lt; / RTI > The computer-readable recording medium may include a program command, a local data file, a local data structure, or the like, alone or in combination. The recording medium may be those specially designed and constructed for the embodiments of the present invention or may be those known to those skilled in the computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs and DVDs, magneto-optical media such as floppy disks, and ROMs, And hardware devices specifically configured to store and execute the same program instructions. The recording medium may be a transmission medium such as an optical or metal line, a wave guide, or the like, including a carrier wave for transmitting a signal designating a program command, a local data structure, or the like. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. 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.

1: Network
2: User terminal
3: Display device
4: Real-time channel server
5: Content channel server
21: Manager
23: Receiver
25: Execution unit

Claims (11)

As an apparatus included in a user terminal,
Receiving first channel information for a real-time channel transmitted from a server in a multicasting manner and second channel information for a content channel, generating and managing an entire channel list including the received first and second channel information, ;
A receiving unit for receiving a content of a specific channel selected from a user based on the generated entire channel list and transmitted from a server in a unicasting manner; And
The method comprising: confirming a type of the specific channel based on the generated total channel list, driving one of the player and the application according to the confirmed type, displaying the received content on a specific channel of the display device of the user terminal An execution unit
Based content providing system according to claim 1,
The method according to claim 1,
The second channel information for the content channel includes information about one or more channels organized in a predetermined order in a specific channel and type information for each corresponding channel in a plurality of VOD contents belonging to the same or similar category Based on the content-related information.
3. The method of claim 2,
Wherein the first channel information for the real time channel includes channel information for at least one of an airwave channel, a comprehensive channel, and a home shopping channel, and type information for each corresponding channel. A content execution device in a providing system.
The method of claim 3,
Wherein the type information for each channel is one of first type information for driving the player and second type information for driving the application.
A method performed at a user terminal,
(a) receiving first channel information on a real-time channel transmitted in a multicasting manner from a server and second channel information on a content channel, and generating an entire channel list including the received first and second channel information And managing the data;
(b) receiving content of a specific channel selected from a user based on the generated entire channel list and transmitted from a server in a unicasting manner; And
(c) checking the type of the specific channel based on the generated entire channel list, driving one of the player and the application according to the identified type, and transmitting the received content to a specific channel Lt; / RTI >
Based on the content of the content.
6. The method of claim 5,
The second channel information for the content channel includes information about one or more channels organized in a predetermined order in a specific channel and type information for each corresponding channel in a plurality of VOD contents belonging to the same or similar category Based on the content of the content.
The method according to claim 6,
Wherein the first channel information for the real time channel includes channel information for at least one of an airwave channel, a comprehensive channel, and a home shopping channel, and type information for each corresponding channel. A method for executing content in a providing system.
8. The method of claim 7,
Wherein the type information for each channel is one of first type information for driving the player and second type information for driving the application.
A computer-readable recording medium having recorded thereon a program for causing a computer to execute a method of executing a content in the channel-based content providing system according to any one of claims 5 to 8. 9. An application stored on a medium for executing a content execution method in the channel-based content providing system according to any one of claims 5 to 8 in combination with hardware. A computer program stored in a medium for causing a computer to execute a method of executing a content in the channel-based content providing system according to any one of claims 5 to 8.
KR1020150139008A 2015-10-02 2015-10-02 Apparatus and Method for playing Content in Channel-based Content Providing System KR101761015B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150139008A KR101761015B1 (en) 2015-10-02 2015-10-02 Apparatus and Method for playing Content in Channel-based Content Providing System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150139008A KR101761015B1 (en) 2015-10-02 2015-10-02 Apparatus and Method for playing Content in Channel-based Content Providing System

Publications (2)

Publication Number Publication Date
KR20170039885A true KR20170039885A (en) 2017-04-12
KR101761015B1 KR101761015B1 (en) 2017-08-04

Family

ID=58580316

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150139008A KR101761015B1 (en) 2015-10-02 2015-10-02 Apparatus and Method for playing Content in Channel-based Content Providing System

Country Status (1)

Country Link
KR (1) KR101761015B1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100952751B1 (en) 2008-05-19 2010-04-13 주식회사 다음커뮤니케이션 Vod service system and method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5251039B2 (en) * 2007-08-23 2013-07-31 ソニー株式会社 Information processing apparatus, information processing method, and program
KR101044674B1 (en) * 2011-02-22 2011-06-28 이노디지털 주식회사 Method for activating applications in smart devices using application channels

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100952751B1 (en) 2008-05-19 2010-04-13 주식회사 다음커뮤니케이션 Vod service system and method thereof

Also Published As

Publication number Publication date
KR101761015B1 (en) 2017-08-04

Similar Documents

Publication Publication Date Title
US9161072B2 (en) Video link discovery in a video-link aggregation system
KR102593413B1 (en) Methods and systems for recommending to a first user media assets for inclusion in a playlist for a second user based on the second user's viewing activity
US8868463B2 (en) System and method of managing digital rights
US20120324504A1 (en) Systems and methods for providing parental controls in a cloud-based media guidance application
US20090157697A1 (en) Systems and methods for creating variable length clips from a media stream
US20120319825A1 (en) Methods, systems, and means for restricting control of a home entertainment device by a mobile device
KR20120099034A (en) Automatic media asset update over an online social network
WO2014089345A1 (en) Automatic selection of digital service feed
US20240056623A1 (en) Aggregation and presentation of video content items with digital advertising execution
KR20190037270A (en) System and method for clarifying terms based on static and temporal knowledge graphs
US20090150808A1 (en) Methods and systems for providing one or more topic specific portals
KR101181553B1 (en) Server, Terminal, Method, and Recoding Medium for Video Clipping and Sharing by using metadata and thereof
US8091105B2 (en) Method and apparatus for reproducing contents based on electronic program guide
KR20180021669A (en) System and method for automatic formatting of images for media assets based on user profiles
US9204185B2 (en) Individual internet video link channel
KR101856852B1 (en) Method and Apparatus for playing YouTube Channel in Channel-based Content Providing System
KR101335506B1 (en) Broadcasting service system and method linked to messenser service
US8689257B2 (en) Method and system for content recording and indexing
US20130152143A1 (en) Shared local government channel
KR101761015B1 (en) Apparatus and Method for playing Content in Channel-based Content Providing System
KR101308926B1 (en) Broadcasting service system and method providing function of popular application recommendation
KR101187386B1 (en) Broadcasting Service System and Method Using VoD Content Channel
KR102585486B1 (en) Method and system for circumventing preemption rights in recorded media assets
KR101807361B1 (en) Apparatus and Method for providing Channel Information in Content Providing System
KR101294147B1 (en) Broadcasting service system and method providing interaction among other service users

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant