KR20090051816A - Apparatus for disc information management of blu-ray disc player and controlling method therefor - Google Patents

Apparatus for disc information management of blu-ray disc player and controlling method therefor Download PDF

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Publication number
KR20090051816A
KR20090051816A KR1020070118225A KR20070118225A KR20090051816A KR 20090051816 A KR20090051816 A KR 20090051816A KR 1020070118225 A KR1020070118225 A KR 1020070118225A KR 20070118225 A KR20070118225 A KR 20070118225A KR 20090051816 A KR20090051816 A KR 20090051816A
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KR
South Korea
Prior art keywords
disc
information
unique
title
high density
Prior art date
Application number
KR1020070118225A
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Korean (ko)
Inventor
장우석
Original Assignee
주식회사 대우일렉트로닉스
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Priority to KR1020070118225A priority Critical patent/KR20090051816A/en
Publication of KR20090051816A publication Critical patent/KR20090051816A/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/0042—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the copy protection scheme being related to a specific access protection standard
    • G11B20/00463—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the copy protection scheme being related to a specific access protection standard high-bandwidth digital content protection [HDCP]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for managing playback information of a playback device that plays back a high density optical disk such as a Blu-ray disc. Reads the title unique ID, reads the disc unique number from the read title unique ID, reads High-bandwidth Digital Content Protection (HDCP) key information for checking player information of the high density optical disc player, and reads the title unique ID And transmits the disc unique number and HDCP key information to the disc information management server via the Internet, and the title unique ID and the unique ID of each title according to the disc unique number and HDCP key provided from the high density optical disc player in the disc information management server. The reproduction information is characterized by being managed in a database. According to the present invention, since information for each ID of a Blu-ray disc, playback information according to an HDCP key of a playback device, and the like can be obtained, it can be directly used for marketing of a title. For example, if a personal disc restricts the number of playbacks in another player and sells a rental disc at a lower selling price, the rental store can receive the disc at a low price, thereby reducing the burden of purchasing a high-priced disc, thereby promoting the dissemination and use of the disc. It is expected to maximize.

 Blu-ray, disk ID, high-bandwidth digital content protection (HDCP)

Description

High density optical disc playback device and its control method for management of playback information {APPARATUS FOR DISC INFORMATION MANAGEMENT OF BLU-RAY DISC PLAYER AND CONTROLLING METHOD THEREFOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for reproducing high density optical discs, such as Blu-ray discs. In particular, the present invention relates to high density optical disc regeneration for managing reproduction information that can be actively utilized in marketing by separately managing rental discs and personal discs. An apparatus and a control method thereof are provided.

Recently, with the rapid progress of standardization on new high-density optical discs, such as rewritable Blu-ray discs, which can record and store high-quality video data and high-quality audio data for a long time, related products have been developed and released and commercialized. have.

Blu-ray Disc, a next-generation recording medium technology, is a next-generation optical recording solution that can have data that significantly surpasses existing DVDs. Recently, the Blu-ray Disc has been developed along with other digital devices. Development of the optical recording and reproducing apparatus has also begun.

In particular, such an optical recording / reproducing apparatus should not only have a basic function of recording and playing back a Blu-ray disc, but also additional functions considering integration with a peripheral digital device. Receiving and displaying them, or playing with a built-in Blu-ray Disc and external input signals, must be provided.

On the other hand, Blu-ray Disc is applied to digital rights management (DRM), a digital rights management technology for content protection. CSS technology, currently used as DVD copy protection technology, allows DVDs to be viewed only through DVD players, but IBM, Intel, Microsoft, Sony, Panasonic, Toshiba, Warner Bros. and Disney are allied to develop copy protection technology. Licensing Authority was created and a new copy protection technology, Advanced Access Content System (AACS), was developed.

The core of this AACS technology is to prepare for the next generation of DVD standards and the era of home networks. With AACS technology, content buyers can store content on their computers and watch it on other devices connected to the home network. You can also use purchased content through.

As described above, the Blu-ray Disc has the advantage of not only providing high-density content but also sharing content information through a network. However, the development of a technology that utilizes playback information of an individual Blu-ray Disc has been very slow.

For example, Blu-ray discs can be divided into rental discs and personal discs like general DVDs. Until now, Blu-ray disc information is only recognized within a playback device. It is required.

Accordingly, the present invention provides a high-density optical disc reproducing apparatus for reproducing information management capable of managing title information for each disc and HDCP (High-bandwidth Digital Content Protection) key to manage unique IDs of each title and reproduction information of the reproducing apparatus. It is intended to provide a control method.

According to one aspect for solving the problems of the present invention, if any high density optical disc is inserted into the tray of the high density optical disc player, the process of reading the title unique ID of the high density optical disc, and the disc unique number from the read title unique ID Reading HDCP key information for checking player information of the high density optical disc player after reading the information, and transmitting the read title unique ID and disc unique number and the HDCP key information to a server through a network. A control method of a high density optical disc reproducing apparatus for managing reproduction information is provided.

According to another aspect for solving the problems of the present invention, as a playback information management system of a high density optical disc reproducing apparatus, it serves to detect when any high density optical disc is inserted into the high density optical disc reproducing apparatus and tray-in, the input A pickup driving unit for reading data of the high density optical disc to be read, and a title unique ID, disc unique number and HDCP key information from the data of the high density optical disc read out through the pickup driving unit, and reading the read title unique ID and disc unique number. And a control unit for transmitting HDCP key information through a network.

According to the present invention, since information for each ID of a Blu-ray disc and playback information based on a high-bandwidth digital content protection (HDCP) key of a playback device can be obtained, the present invention can be directly used for marketing a title. For example, if a personal disc restricts the number of playbacks in another player and sells a rental disc at a lower selling price, the rental store can receive the disc at a low price, thereby reducing the burden of purchasing a high-priced disc, thereby promoting the dissemination and use of the disc. It is expected to maximize.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a schematic block diagram of a high-density optical disc reproducing apparatus, for example, a Blu-ray disc reproducing apparatus, for managing reproduction information according to an aspect of the present invention. , The disk information management server 104, and the disk information DB 106.

The Blu-ray Disc playback apparatus 100 of the playback information management system of FIG. 1 includes a pickup driver 12, a controller 14, an A / V decoder 16, and a display unit 18 as shown in FIG. ), A memory unit 20, and an Internet connection unit 22.

First, the pickup driver 12 detects the Blu-ray disc 10 when the tray 10 is inserted into the tray and tray-in, and reads out the data of the inserted disc 10. .

The controller 14 provides an A / V image from the data of the disk 10 read through the pickup driver 12 to the A / V decoder 16 described later, and provides title information from the data of the disk 10. And HDCP key information serves to provide to the Internet connection unit 22 to be described later.

In this case, the HDCP is a content protection structure adopted by a high definition multimedia interface (HDMI), and refers to encryption information for protecting digital content included in a DVI (Digital Visual Interface) transmission signal. Through the HDCP and the title information as described below, the playback information of the Blu-ray disc playback apparatus can be confirmed for each unique ID of each title.

The A / V decoder 16 performs A / V decoding on the A / V image provided from the controller 14 and provides the A / V decoder 16 to the display unit 18. The display unit 18 is an A / V decoder. Each of them serves to output the decoded A / V image provided from (16) to the outside.

The memory unit 20 stores various data for the firmware operation of the Blu-ray disc reproducing apparatus 100, decoding and program information of contents recorded on the Blu-ray disc 10, and is selectively stored by the controller 14. Is read.

The Internet connection unit 22 is controlled by the control unit 14, and serves to deliver title information and HDCP key information of the disc 10 to the Internet 102, which will be described later.

The Blu-ray Disc playback apparatus 100 as described above may be connected to the Internet 102 as shown in FIG.

The Internet 102 includes, for example, various services existing in the TCP / IP protocol and its upper layers, namely, HyperText Transfer Protocol (HTTP), Telnet, File Transfer Protocol (FTP), Domain Name System (DNS), and Simple Mail Transfer (SMTP). As a form of a global open computer network that provides a protocol, a simple network management protocol (SNMP), a network file service (NFS), and a network information service (NIS), a disc described later by the Blu-ray disc reproducing apparatus 100 will be described later. It provides an environment that allows access to the information management server 104.

The disc information management server 104 collects the playback information according to the unique ID of each title and the playback apparatus with reference to the title information and HDCP key information provided from the Blu-ray Disc playback apparatus 100 through the Internet 102. And manage. The unique ID and playback information of each title managed as described above may be used as a material for dividing a Blu-ray disc into a personal disc and a rental disc.

The disc information DB 106 temporarily stores the unique ID of each title managed by the disc information management server 104 and the reproduction information according to the playback apparatus, and the stored information is stored in the disc information management server 104 according to the situation. Can be selected by. Such a disk information DB 106 is managed by the disk information management server 104, a relational database management system (RDBMS) such as Oracle, Infomix, Sybase, DB2, Object-Oriented Database Management System (OODBMS) such as Gemston, Orion, O2, etc. can be implemented for the purposes of the present invention, and have appropriate fields to achieve their functions. have.

Hereinafter, a method of controlling a high density optical disc reproducing apparatus, for example, a Blu-ray disc reproducing apparatus, for managing reproduction information according to another aspect of the present invention together with the above-described configuration will be described in detail with reference to the flowchart of FIG. 2. Shall be.

As shown in FIG. 2, the control unit 14 of the Blu-ray Disc playback apparatus 100 is configured to insert an arbitrary Blu-ray Disc 10 into a tray (not shown) of the Blu-ray Disc playback apparatus 100. In operation S200, when the Blu-ray disc 10 is inserted, the process proceeds to step S202.

In step S202, the control unit 14 reads the title unique ID of the Blu-ray disc 10. This title unique ID reading process is a process for confirming the title type of the Blu-ray disc 10 to be inserted.

The control unit 14 then proceeds to step S204 to read the disc unique number from the read title unique ID. This disc unique number reading is a process for confirming the reproduction information of each disc having a title unique ID, and can utilize a BD ROM-Mark of a Blu-ray disc. That is, the Blu-ray Disc ROM-Mark is physically recorded on the disc when the disc is produced. Even if the disc has the same title unique ID, the Blu-ray Disc ROM-Mark has a unique number that is different from each other. By reading the number, the playback information of each disc title can be confirmed.

On the other hand, the control unit 14, as in step S206, grasps the HDCP key of the Blu-ray disc playback device 100. The process of identifying the HDCP key is to confirm the player information of the Blu-ray Disc playback apparatus 100.

When the process of step S202 to step S206 is completed, the control unit 14 proceeds to step S208 to display the title information and HDCP key information of the Blu-ray disc 10 through the Internet connection unit 22 and the Internet ( 102 and the like to the disk information management server 104.

Thereafter, the disc information management server 104 proceeds to step S210 to display the disc ID DB 106 of the title and the unique ID of each title according to the title information and the HDCP key provided from the Blu-ray disc playback apparatus 100. To store and manage. The unique ID and playback information of each title managed as described above may be used as a material for dividing a Blu-ray disc into a personal disc and a rental disc.

As described above, the embodiments of the present invention have been described in detail, but the present invention is not limited to these embodiments, and various modifications may be made by those skilled in the art within the spirit and scope of the present invention described in the claims below.

1 is a schematic block diagram of a high density optical disc reproducing apparatus for managing reproduction information according to an aspect of the present invention;

2 is a flowchart illustrating a control method of a high density optical disc reproducing apparatus for managing reproduction information according to another aspect of the present invention.

<Description of the symbols for the main parts of the drawings>

100: Blu-ray Disc playback device 10: Blu-ray Disc

12: pickup drive unit 14: control unit

16: A / V decoder 18: display unit

20: memory 22: Internet connection

102: Internet 104: Disk Information Management Server

106: disk information DB

Claims (6)

Reading a title unique ID of the high density optical disc when an arbitrary high density optical disc is inserted into the tray of the high density optical disc player; Reading HDCP key information for checking player information of the high density optical disc player after reading the disc unique number from the read title unique ID; Transmitting the read title unique ID, disc unique number and the HDCP key information to a server via a network; A control method of a high density optical disc reproducing apparatus for managing reproduction information comprising a. The method of claim 1, The server, A method of controlling a high density optical disc reproducing apparatus for reproducing information management, characterized by managing a unique ID and reproduction information of each title as a database according to the title unique ID and disc unique number and the HDCP key information. The method of claim 1, The title unique ID reading process is a process of confirming a title type of the high density optical disc. The method of claim 1, The disc unique number reading is a process for confirming the reproduction information of each disc having a title unique ID. A high density optical disc reproducing apparatus for managing reproduction information, A pickup driving unit which senses when a high density optical disc is inserted into the high density optical disc reproducing apparatus and tray-in, and reads data of the high density optical disc into which the high density optical disc is inserted; A control unit for reading title unique ID, disc unique number and HDCP key information from data of the high density optical disc read out through the pickup driving unit, and transmitting the read title unique ID, disc unique number and HDCP key information to a server through a network; High density optical disc reproducing apparatus for managing reproduction information comprising a. The method of claim 5, wherein And the disc unique number is information for confirming the reproduction information of each disc having a title unique ID.
KR1020070118225A 2007-11-20 2007-11-20 Apparatus for disc information management of blu-ray disc player and controlling method therefor KR20090051816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070118225A KR20090051816A (en) 2007-11-20 2007-11-20 Apparatus for disc information management of blu-ray disc player and controlling method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070118225A KR20090051816A (en) 2007-11-20 2007-11-20 Apparatus for disc information management of blu-ray disc player and controlling method therefor

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KR20090051816A true KR20090051816A (en) 2009-05-25

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