JP2011192361A - Information-recording device, information-recording system, information-recording method, program, and information-recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily obtain content which a user wants and easily manage the content thus obtained. <P>SOLUTION: A recording and reproducing device 1, which records information to a disk 100 equipped with a ROM layer and an RE layer, includes a content acquisition part 103 which acquires related content which relates to content preliminarily recorded to the ROM layer and a drive part 11 which records the related content thus acquired to the RE layer. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an information recording apparatus for recording information on a detachable information recording medium including a first rewritable information recording layer and a rewritable second information recording layer.

  With the spread of players that play BD (Blu-ray Disc; registered trademark), various contents are sold in the form of BD-ROM discs. Users can purchase their favorite content at stores, online shops, and the like.

  Recently, there is a service that guides a user to a sales site by inserting a dedicated BD-ROM disc into a BD player connected to a network, and provides information on new contents on the site (non-service). Patent Document 1).

  When a user purchases content using the service as described above, the user selects whether to view or download the content. However, if streaming viewing is selected, content data cannot be stored in the device. If download is selected, the content data can be stored in a built-in HDD (hard disc drive), flash memory, or the like, but cannot be stored in an external recording medium that can be taken out. For this reason, a user who wants to have content as data that can be taken out needs to purchase the content in the form of a disc.

  In such a situation, a multilayer information recording medium having a plurality of information recording layers has been developed in order to improve the recording capacity of the disc even in the BD. (For example, refer to Patent Documents 1 and 2).

JP 2002-366846 A (released on December 20, 2002) JP 2009-193633 A (released August 27, 2009)

“DMM. TV for Blu-ray Disc”, [online], [searched on January 13, 2010], Internet <URL: http // www.dmm.com / tv / bluray>

  However, when purchasing content in the form of a disc, the user has to take time to physically receive the purchased disc and manage it thereafter. In particular, when purchasing discs of series movies and dramas, etc., a large amount of discs will be held, making it difficult to manage them.

  Further, even when using an online shop or the above-mentioned service as well as a storefront, it is sometimes difficult to find a content that one wants to view from a huge number of titles.

  SUMMARY OF THE INVENTION The present invention provides an information recording / reproducing apparatus that acquires content that meets a user's request and facilitates management of the acquired content.

  In order to solve the above problems, an information recording apparatus according to the present invention records information on a detachable information recording medium having a first rewritable information recording layer and a rewritable second information recording layer. An information recording apparatus, wherein the acquisition unit acquires related content related to content recorded in advance in the first information recording layer, and the related content acquired by the acquisition unit is recorded in the second information recording layer. And a recording processing means.

  Generally, when a user views and likes a certain content, the user wants to view related content related to the content. According to the above configuration, the information recording apparatus acquires related content related to content recorded in advance on the removable information recording medium. Therefore, the information recording apparatus can acquire content that meets the user's request as related content.

  Further, according to the above configuration, the information recording apparatus records the acquired related content on the removable information recording medium on which the content is recorded. In other words, since the information recording apparatus records a plurality of related contents on one medium, management of the acquired contents can be facilitated.

  The pre-recorded content is recorded in the first rewritable information recording layer, while the related content is recorded in the rewritable second information recording layer. Therefore, the original content is not deleted, and related content related to this content can be additionally obtained later. Further, related content that has become unnecessary after viewing or the like can be deleted, and the user can view more related content.

  In the information recording apparatus according to the present invention, it is preferable that the acquisition unit acquires the related content based on a catalog of the related content recorded in advance in the first information record.

  According to the above configuration, the information recording apparatus can acquire related content more easily.

  The information recording apparatus according to the present invention preferably further includes a presentation unit that presents the catalog to the user, and the acquisition unit preferably acquires the related content selected by the user from the presented catalog. .

  According to the above configuration, the user can easily find favorite related contents by referring to the presented catalog. Therefore, the information recording apparatus can acquire related content suitable for the user's preference.

  In the information recording apparatus according to the present invention, the recording processing unit further has a function of recording identification information for identifying the selected related content in the second information recording layer, and the acquiring unit Preferably acquires the selected related content based on the identification information recorded in the second information recording layer.

  According to the above configuration, the information recording apparatus can acquire the related content later by recording the identification information once.

  In the information recording apparatus according to the present invention, it is preferable that the presenting means displays the catalog as thumbnails of each related content.

  According to the above configuration, the user can easily grasp the contents of the presented catalog and can easily select the related content.

  Further, in the information recording apparatus according to the present invention, the presenting means further has a function of reproducing a part of the related content included in the catalog for the related content temporarily selected by the user from the presented catalog. It is preferable to have.

  According to the above configuration, the user can use the information for determining whether or not to select the related content by viewing partial information of the related content. Therefore, the information recording apparatus can acquire related content more suitable for the user's preference.

  The information recording apparatus according to the present invention further includes a communication unit that transmits authentication data pre-recorded in the first information recording layer to an external server, and the acquisition unit receives the authentication data. It is preferable to acquire related content transmitted from an external server.

  According to the above configuration, illegal content acquisition can be prevented by using authentication data recorded in advance in the first information recording layer.

  Further, in the information recording apparatus according to the present invention, the communication means further has a function of transmitting key information recorded in advance in the second information recording layer to the external server, and the acquisition means The related content encrypted based on the key information is acquired from the external server that has received the authentication data and the key information, and the recording means stores the encrypted related content in the second information recording It is preferable to record in a layer.

  According to the above configuration, it is more preferable that unauthorized content acquisition is performed by using authentication data recorded in advance in the first information recording layer and key information recorded in advance in the second information recording layer. Can be prevented. Further, since the key information is recorded in advance in the second information recording layer, the encrypted related content can be reproduced without any problem even if it is recorded in the second information recording layer as it is.

  The information recording apparatus according to the present invention further includes search means for searching for the related content based on the content information, and the acquisition means acquires the related content searched by the search means. May be.

  According to the above configuration, since the information recording device searches for and acquires related content, it is possible to save the user from searching.

  An information recording system including an information recording device and a terminal device is also included in the scope of the present invention. That is, an information recording system according to the present invention includes an information recording apparatus for recording information on a removable information recording medium including a read-only first information recording layer and a rewritable second information recording layer, and A terminal device, wherein the information recording device is a catalog of related content related to the content recorded in advance in the first information recording layer, the catalog being recorded in advance in the first information recording layer. Presenting means for presenting to the user; and device-side recording means for recording identification information for identifying the related content selected by the user from the catalog of the related content presented by the presenting means on the second information recording layer. And the terminal device obtains the selected related content based on the identification information recorded in the second information recording layer; Are related content was acquired by the acquisition unit, it is characterized in that it comprises a terminal-side recording means for recording on the second information recording layer.

  According to the above configuration, the information recording system can accurately acquire the related content desired by the user in the information recording device in the terminal device.

  In order to solve the above-mentioned problem, the information recording method according to the present invention records information on a detachable information recording medium having a read-only first information recording layer and a rewritable second information recording layer. An information recording method for acquiring related content related to content recorded in advance in the first information recording layer, and the related information acquired in the acquiring step in the second information recording layer And a recording step of recording in the recording medium.

  According to the said method, there exists an effect similar to the information recording device which concerns on this invention.

  The information recording apparatus according to the present invention may be realized by a computer. In this case, an information recording program for realizing the information recording apparatus in the computer by operating the computer as the respective means, and a computer-readable recording medium on which the information recording program is recorded also fall within the scope of the present invention.

  In order to solve the above problems, the information recording medium of the present invention is a computer-readable detachable information recording medium, and includes a non-rewritable first information recording layer and a rewritable second information recording layer. And the first information recording layer stores content and the information recording program described above. In the information recording medium of the present invention, it is preferable that a catalog of related content related to the content is further recorded in the first information recording layer.

  According to the above configuration, by loading an information recording medium into a writable information reading device, the above-described information recording device can be suitably realized without requiring another dedicated device.

  An information recording apparatus according to the present invention is an information recording apparatus for recording information on a detachable information recording medium having a first rewritable information recording layer and a rewritable second information recording layer, To provide acquisition means for acquiring related content related to content recorded in advance in the first information recording layer, and recording processing means for recording related content acquired by the acquisition means in the second information recording layer Thus, it is possible to acquire content that meets the user's request and to facilitate management of the acquired content.

It is a block which shows the structure of the principal part of the information recording device which concerns on the 1st Embodiment of this invention. It is a block diagram which shows the general | schematic structure of the whole information recording device. It is a schematic diagram which shows the structure of the information recording medium which concerns on the 1st Embodiment of this invention. It is a schematic diagram for demonstrating the process performed in an information recording device. It is a schematic diagram for demonstrating the other example of the process performed in an information recording device. It is a schematic diagram for demonstrating the communication process at the time of acquiring a related content. It is a schematic diagram for demonstrating the other example of the communication process at the time of acquiring a related content. It is a block diagram which shows schematic structure of the information recording device which concerns on the 2nd Embodiment of this invention. It is a block diagram which shows schematic structure of the terminal device which concerns on the 2nd Embodiment of this invention. It is a block diagram which shows schematic structure of the information recording device which concerns on the 3rd Embodiment of this invention.

[Embodiment 1]
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  In the present embodiment, an optical disk is used as an example of a detachable information recording medium (detachable information recording medium). As an optical disc (hereinafter simply referred to as a disc), a BD (Blu-ray Disc), a DVD (Digital Versatile Disc), or the like is assumed. However, the present invention is not limited to this, and can be applied to detachable information recording media in general.

  In this embodiment, a recording / reproducing apparatus (information recording apparatus) 1 having not only a recording function for recording contents on a disc but also a reproducing function for reproducing contents recorded on the disc will be described.

(Configuration of recording / reproducing apparatus 1)
FIG. 1 is a block diagram showing a configuration of a main part of a recording / reproducing apparatus 1 according to an embodiment of the present invention. FIG. 2 is a block diagram showing an overall schematic configuration of the recording / reproducing apparatus 1.

  First, the overall schematic configuration of the recording / reproducing apparatus 1 will be briefly described with reference to FIG.

  As shown in FIG. 2, the recording / reproducing apparatus 1 mainly includes a processing unit 10, a drive unit (recording processing unit) 11, a video / audio output I / F 12, a network I / F (communication unit) 13, a user I / F 14, A work memory 15 and a nonvolatile memory 16 are provided.

  The drive unit 11 is realized as a drive device that writes data to and reads data from the loaded disk 100.

  The video / audio output I / F 12 is an interface for transmitting video data and audio data to and from the television device 2. In addition, this invention is not restricted to the television apparatus 2, The apparatus which has a speaker and a display display can be utilized suitably.

  The network I / F 13 is an interface for performing communication with the server 3 via the communication network. The server 3 is an external server having a content database provided by a content seller, for example.

  The user I / F 14 is an interface for receiving an instruction input by the user operating the operation device 4.

  The work memory 15 and the non-volatile memory 16 store information necessary for controlling each functional block of the recording / reproducing apparatus 1. For example, the working memory 15 is a DRAM or the like, and the nonvolatile memory 16 is a FLASH or the like.

  Next, the configuration included in the processing unit 10 will be briefly described with reference to FIG.

  As shown in FIG. 1, the processing unit 10 includes a content reproduction unit 101, and further executes a program (software) to be described later recorded on the disc 100, whereby a catalog presenting unit (presenting unit). 102 and the content acquisition unit (acquisition means) 103 also function. The processing unit 10 is realized by a CPU (Central Processing Unit), for example.

  The content acquisition unit 103 can acquire content from the server 3 via the network I / F 13.

  The content reproduction unit 101 can process the content recorded on the disc 100 loaded in the drive unit 11 and cause the television device 2 to reproduce the content via the video / audio output I / F 12.

  The catalog presentation unit 102 can display the catalog recorded on the disc 100 loaded in the drive unit 11 on the television device 2 via the video / audio output I / F 12.

(Configuration of disk 100)
Next, the configuration of a disc (information recording medium) 100 according to an embodiment of the present invention will be described with reference to FIG. FIG. 3 is a schematic diagram showing the structure of the disk 100.

  As shown in FIG. 3, a disc 100 includes a rewritable information recording layer (RE (RE-writable) layer: second information recording layer) 110 and a reproduction-only (non-rewritable) information recording layer (ROM (Read). Only Memory) layer: first information recording layer) 120 is a hybrid disc.

  There is no need to record data in the RE layer 110 in advance. By using the disc 100, the content acquired by the content acquisition unit 103, the identification information (ID) for identifying the content requested to be acquired, and the like are recorded. In addition, when performing encryption processing to be described later, it is preferable that key information for encrypted data is recorded in the RE layer 110. Note that the RE layer 110 may be used as an area for recording content in which a TV program or the like is normally recorded.

  In the ROM layer 120, a catalog that is a list of certain contents (hereinafter referred to as original contents) and related contents related to the original contents is recorded in advance by the distributor of the disc 100 or the like.

  The original content may be video content such as a movie or a drama, or may be music content.

  The related content is content whose content is related to the original content. The related content may be, for example, content that has the same genre as the original content or content in which the same performer appears. Further, when the original content is a movie or a drama, the privileged video or soundtrack may be included. Further, when the original content is the first episode of a movie or drama constituting a series, the related content includes the contents of the second and subsequent episodes, so that more suitable use can be provided to the user.

  In the related content catalog (hereinafter referred to as a related content catalog), information related to the related content is recorded. Specifically, information related to each related content (title, performer, producer, title screen, etc.) and identification information (ID, etc.) for identifying the content are recorded. It is preferable.

  Further, it is preferable that a program for causing the processing unit 10 to function as the catalog presentation unit 102 and the content acquisition unit 103, such as “catalog display software” and “download software”, is recorded in advance in the ROM layer 120. .

  Preferably, a URL for connecting to the server 3 is recorded in the ROM layer 120, and more preferably authentication data for an authentication service by the server 3 is further recorded.

(Example of processing in the recording / reproducing apparatus 1)
An example of processing executed in the recording / reproducing apparatus 1 will be described below with reference to FIG. FIG. 4 is a schematic diagram for explaining processing executed in the recording / reproducing apparatus 1. In addition, the arrow in a figure has shown the flow of information.

  First, when the user loads the disc 100 into the drive unit 11, the content reproduction unit 101 reads the original content recorded in advance on the ROM layer 120 of the disc 100, and the television apparatus 2 via the video / audio output I / F. Output to. The television device 2 reproduces the original content. As a result, the user views the original content.

  When the reproduction of the original content is completed, an application using catalog display software and download software recorded in the ROM layer 120 is automatically activated.

  Thereby, first, the catalog presentation unit 102 reads the related content catalog recorded in advance in the ROM layer 120 of the disc 100 and outputs it to the television apparatus 2 via the video / audio output I / F. The display of the television apparatus 2 displays a related content catalog. The catalog presentation unit 102 preferably displays the related content catalog as a thumbnail as shown in FIG.

  Next, the user operates the operation device 4 to select the related content that the user wants to obtain from the presented related content catalog (here, the related content of number 9). The controller device 4 notifies the input user I / F 14 of the selection result. In response to this, the catalog presentation unit 102 extracts content identification information (ID) about the related content selected by the user from the related content catalog in the ROM layer 120 and outputs it to the content acquisition unit 103. The content acquisition unit 103 transmits the input ID to the server 3 via the network I / F 13.

  The server 3 receives the ID transmitted from the recording / reproducing apparatus 1, extracts related content corresponding to the ID from the content database, and transmits the data to the recording / reproducing apparatus 1. The recording / reproducing apparatus 1 receives the related content data transmitted from the server 3 via the network I / F 13. Details of the communication process when acquiring the related content will be described later.

  Next, the content acquisition unit 103 outputs the received related content data to the drive unit 11, and the drive unit 11 records the input related content data on the RE layer 110 of the disc 100.

(Advantages of this embodiment)
According to the above processing, if the user likes the original content viewed first, the user can easily obtain related content related to the original content. Further, since the related content is stored in the same disc 100 as the original content, the user can easily manage the acquired content. For example, if a user views and likes the first episode of a series product, the content of the series product can be managed with one disc 100 by selecting the second episode content from the catalog.

  Furthermore, the application program that causes the catalog presentation unit 102 and the content acquisition unit 103 to be recorded is recorded on the disc 100, so that it is possible to easily acquire related content without requiring installation of a dedicated device or a dedicated application. it can. That is, the recording / reproducing apparatus 1 can be realized using a general device having an application execution function, a hybrid disk read / write function, and a network connection function.

(Modification of related content catalog)
It is preferable that the related content catalog includes not only the above-described information but also partial data of the related content. The partial data of the related content includes, for example, digest version data of the related content, data worth the first few minutes, and the like.

  Specifically, when a related content catalog is presented in the above-described processing, the user operates the operation device 4 to instruct to temporarily reproduce related content of interest (temporarily select). The controller device 4 notifies the input user I / F 14 of this instruction. In response to this, the catalog presenting unit 102 reads the partial data for the related content provisionally selected by the user, and outputs it to the television apparatus 2 via the video / audio output I / F. Thereby, the television apparatus 2 reproduces the digest version or the first few minutes of the temporarily selected related content.

  Users can watch the digest version and the first few minutes and select only the related content they like.

(Modification of processing in recording / reproducing apparatus 1)
In the above-described processing, the catalog presenting unit 102 may record the extracted related content ID on the disc 100. A modification of the processing in the recording / reproducing apparatus 1 will be described with reference to FIG. FIG. 5 is a schematic diagram for explaining another example of processing executed in the recording / reproducing apparatus 1. In addition, the arrow in a figure has shown the flow of information.

  In the following description, the process until the catalog presenting unit 102 extracts the ID from the related content catalog is the same as the above-described process, and is therefore omitted.

  After the extraction, when the recording / reproducing apparatus 1 is in an environment where it cannot be connected to the network, or in an environment where only low-speed communication is possible, the catalog presenting unit 102 may output the extracted ID to the drive unit 11. In response to this, the drive unit 11 records the input ID on the RE layer 110 of the disc 100.

  Next, after confirming that the recording / playback apparatus 1 is connected to the network and communication with the server 3 is sufficiently possible, the content acquisition unit 103 reads the ID recorded in the RE layer 110 and performs the network I / F 13. To the server 3 via. The subsequent processing is the same as the processing described above.

  According to this modified example, even when the recording / reproducing apparatus 1 temporarily cannot communicate with the server 3, the related content can be acquired after the recording / reproducing apparatus 1 becomes communicable with the server 3. .

(Communication processing when acquiring related content)
An example of communication processing when acquiring related content will be described in detail below with reference to FIG. FIG. 6 is a schematic diagram for explaining communication processing when acquiring related content. In addition, the arrow in a figure has shown the flow of information.

  In the following description, it is assumed that authentication data is recorded in the ROM layer 120 of the disk 100.

  First, the content acquisition unit 103 starts accessing the server 3 via the network I / F 13 according to the URL recorded in the ROM layer 120. Next, the content acquisition unit 103 reads the authentication data recorded in the ROM layer 120 and transmits it to the server 3 via the network I / F 13.

  The server 3 reads the transmitted authentication data by the authentication service and confirms that the disk 100 loaded in the recording / reproducing apparatus 1 that is the transmission source is a regular disk.

  After the server 3 confirms that the disc is a regular disc, the content acquisition unit 103 transmits the ID of the related content to the server 3 via the network I / F 13.

  The server 3 receives the ID transmitted from the recording / playback apparatus 1 and extracts related content corresponding to the ID from the database. The server 3 further encrypts the extracted related content data and transmits the encrypted data to the recording / playback apparatus 1. The encryption method is not particularly limited, and a general-purpose method can be used. The recording / reproducing apparatus 1 receives the related content data transmitted from the server 3 via the network I / F 13.

  Next, the content acquisition unit 103 decrypts the received related content data and outputs the decrypted data to the drive unit 11. The drive unit 11 records the decrypted related content data on the RE layer 110 of the disc 100.

  Next, another example of communication processing when acquiring related content will be described in detail below with reference to FIG. FIG. 7 is a schematic diagram for explaining another example of communication processing when acquiring related content. In addition, the arrow in a figure has shown the flow of information.

  In the following description, the processing until the server 3 confirms that the disc is a regular disk is the same as the above-described processing, and thus the description thereof is omitted. Here, it is assumed that authentication data is recorded in the ROM layer 120 of the disk 100 and key information is recorded in the RE layer 110.

  After the server 3 confirms that the disc is a legitimate disc, the content acquisition unit 103 reads the key information recorded in the RE layer 110, encrypts the key information, and then passes through the network I / F 13 Send to server 3. In addition, the content acquisition unit 103 transmits the ID of the related content to the server 3 via the network I / F 13.

  The server 3 receives the key information and ID transmitted from the recording / reproducing apparatus 1 and extracts the related content data corresponding to the ID from the database. Further, the server 3 encrypts the extracted related content data based on the received key information, and transmits the encrypted data to the recording / reproducing apparatus 1. The recording / reproducing apparatus 1 receives the related content data transmitted from the server 3 via the network I / F 13.

  Next, the content acquisition unit 103 outputs the received related content data as it is to the disc 100, and the drive unit 11 records the input related content data in the RE layer 110 of the disc 100.

  In the processing described with reference to FIG. 6 or FIG. 7, when the related content data transmitted by the server 3 is a stream format such as MPEG-2 TS, the recording / reproducing apparatus 1 transmits the received data to the disc. The data may be recorded on the disc 100 after being converted into a format corresponding to 100. Alternatively, when the server 3 prepares related content data in a format corresponding to the disc 100 in advance and transmits the data, the recording / reproducing apparatus 1 records the received data on the disc 100 in the same format. That's fine.

  In the processing described with reference to FIG. 6 or FIG. 7, the ID of the related content transmitted from the content acquisition unit 103 to the server 3 is extracted from the related content catalog in the ROM layer 120 by the catalog presentation unit 102. It may be input to the acquisition unit 103 or may be recorded in the RE layer 110.

[Embodiment 2]
A second embodiment of the present invention will be described with reference to the drawings. In the present embodiment, an information recording system including the recording / reproducing apparatus 1a and the terminal apparatus 5 is realized.

  The recording / reproducing apparatus 1a according to the present embodiment does not include a communication unit with the server 3, and is different from the recording / reproducing apparatus 1 according to the first embodiment described above in that the processing unit 10a does not function as the content acquisition unit 103. Different.

  Therefore, in the following, the above differences will be mainly described, and the same contents as in the first embodiment may be omitted. In addition, the same code | symbol shall be used for the component which has a function corresponding to the component in Embodiment 1. FIG.

(Configuration of information recording system)
FIG. 8 is a block diagram showing the configuration of the main part of the recording / reproducing apparatus 1a. FIG. 9 is a block diagram illustrating a configuration of a main part of the terminal device 5.

  As shown in FIG. 8, the recording / reproducing apparatus 1 a mainly includes a processing unit 10 a, a drive unit 11, a video / audio output I / F 12, a user I / F 14, a work memory 15, and a nonvolatile memory 16. The processing unit 10a includes a content reproduction unit 101, and further includes a catalog presentation unit (presentation unit) 102 by executing a program (software) recorded on the disc 100.

  As illustrated in FIG. 9, the terminal device 5 includes a processing unit 50, a drive unit (recording processing unit) 51, and a network I / F 52. The processing unit 50 includes a content acquisition unit (content acquisition unit) 104. Details of each member will be described later.

  Note that the terminal device 5 may be a dedicated terminal installed outside a convenience store, for example.

(Example of processing in the information recording system)
An example of processing executed in the information recording system will be described below again with reference to FIG.

  First, when the user loads the disc 100 into the drive unit 11 of the recording / reproducing apparatus 1, the content reproducing unit 101 reads the original content recorded in advance on the ROM layer 120 of the disc 100, and outputs the video / audio output I / F. To the TV device 2 via The television device 2 reproduces the original content.

  When the reproduction of the original content is completed, an application using catalog display software recorded in the ROM layer 120 is automatically activated.

  Thereby, first, the catalog presentation unit 102 reads the related content catalog recorded in advance in the ROM layer 120 of the disc 100 and outputs it to the television apparatus 2 via the video / audio output I / F. The display of the television apparatus 2 displays a related content catalog. The catalog presentation unit 102 preferably displays the related content catalog as a thumbnail as shown in FIG.

  After the catalog is displayed on the television device 2, the user operates the operation device 4 to select related content that the user wants to obtain from the related content catalog presented. The controller device 4 notifies the input user I / F 14 of the selection result. In response to this, the catalog presentation unit 102 extracts the content identification information (ID) of the related content selected by the user from the related content catalog recorded in the ROM layer 120 and outputs the content identification information (ID) to the drive unit 11. Next, the drive unit 11 records the input ID on the RE layer 110 of the disc 100.

  Thereafter, the user takes out the disc 100 from the recording / reproducing apparatus 1 a and loads it into the drive unit 51 of the terminal device 5.

  In the terminal device 5, when the disc 100 is loaded in the drive unit 51, the content acquisition unit 104 of the processing unit 50 reads the ID recorded in the RE layer 110 of the disc 100 and the server 3 via the network I / F 52. Send to.

  The server 3 receives the ID transmitted from the terminal device 5, extracts related content corresponding to the ID from the database, and transmits the data to the terminal device 5. The terminal device 5 receives the related content data transmitted from the server 3 via the network I / F 52. Note that the communication process when acquiring the related content is the same as described in the first embodiment.

  Next, the content acquisition unit 104 outputs the received related content data to the drive unit 51, and the drive unit 51 records the input related content data on the RE layer 110 of the disc 100.

(Advantages of this embodiment)
According to the above processing, for example, when there is no network environment at home, the disc 100 in which the ID of the related content is recorded in the RE layer 110 is loaded into the terminal device 5 installed in a convenience store or the like, thereby the disc 100. Related content can be recorded at high speed.

(Modification of terminal device 5)
In the terminal device 5, receiving the related content via the network I / F 52 is only an example of a method for the content acquisition unit 104 to acquire the related content.

  For example, the terminal device 5 itself may include a database that records a large number of content data. In this case, the content acquisition unit 104 may acquire related content from the database of the terminal device 5. In this case, the related content can be recorded on the disc 100 at a higher speed.

(Other)
Note that the information recording form 1 according to the first embodiment is not limited to the recording / reproducing apparatus 1 a according to the present embodiment, and may be used in combination with the terminal device 5.

  For example, as described in the modification of the processing in the first embodiment, the ID of the related content is recorded in the RE layer 110 of the disc 100 in the information recording mode 1. Thereafter, by loading the disc 100 into the terminal device 5, related content can be recorded on the disc 100.

[Embodiment 3]
A third embodiment of the present invention will be described with reference to the drawings.

  The recording / reproducing apparatus 1b according to the present embodiment performs the above-described implementation in that the related content is recorded on the disc 200 on which the catalog of the related content and the catalog display software for causing the catalog presentation unit to function are not recorded. This is different from the recording / reproducing apparatus 1 according to the first embodiment.

  Therefore, in the following, the above differences will be mainly described, and the same contents as in the first embodiment may be omitted. In addition, the same code | symbol shall be used for the component which has a function corresponding to the component in Embodiment 1. FIG.

(Configuration of recording / reproducing apparatus 1b)
The recording / reproducing apparatus 1b will be described with reference to FIG. FIG. 10 is a block diagram showing a schematic configuration of the recording / reproducing apparatus 1b.

  As shown in FIG. 10, the recording / reproducing apparatus 1b mainly includes a processing unit 10b, a drive unit (recording processing unit) 11, a video / audio output I / F 12, a network I / F (communication unit) 13, a user I / F 14, A work memory 15 and a nonvolatile memory 16 are provided.

  Here, the processing unit 10b is configured to include a content reproduction unit 101, and further, a content search unit (search means) 105 and a content acquisition unit (acquisition) are acquired by executing a program described later recorded on the disc 100. Means) 106 is configured. Details of each member will be described later.

(Configuration of disk 200)
Similar to the disc 100, the disc 200 is a hybrid disc having a rewritable information recording layer (RE layer) and a non-rewritable information recording layer (ROM layer).

  In the RE layer of the disc 200, as with the disc 100, data need not be recorded in advance. By using the disc 200, the content acquired by the content acquisition unit 106, the identification information of the content requested to be acquired, and the like are recorded.

  On the other hand, the original content is recorded in advance in the ROM layer of the disc 200 by the distributor of the disc 200 or the like. In addition, it is preferable that a program for causing the processing unit 10b to function as the content acquisition unit 106 and the content search unit 105, such as “network purchase software”, is recorded in advance in the ROM layer.

(Example of processing in the recording / reproducing apparatus 1b)
An example of processing executed in the recording / reproducing apparatus 1b will be described below.

  First, the user loads the disc 200 into the drive unit 11 of the recording / reproducing apparatus 1b, and starts an application using the network purchase software recorded in the ROM layer of the disc 200.

  As a result, the content search unit 105 automatically connects to the server 3 via the network I / F 52. The content search unit 105 refers to the database of the server 3. At this time, the content search unit 105 acquires a list of related content related to the original content from the database of the server 3 based on the title of the original content recorded in the ROM layer of the disc 200. Further, the content search unit 105 displays the acquired list of related content on the television device 2 via the video / audio output I / F 12.

  Next, the user operates the operation device 4 and selects his / her favorite related content from the displayed list of related content. The controller device 4 notifies the input user I / F 14 of the selection result. In response to this, the content acquisition unit 106 acquires data of related content selected by the user from the server 3 via the network I / F 13.

  Next, the content acquisition unit 106 outputs the acquired related content data to the drive unit 11, and the drive unit 11 records the input related content data in the RE layer of the disc 200.

(Advantages of this embodiment)
According to the above processing, since the content search unit 105 automatically searches for related content and presents the search results to the user as a list, it is possible to save the user from searching.

(Additional notes)
Finally, each block of the recording / reproducing apparatus 1, particularly the control unit 20, may be configured by hardware logic, or may be realized by software using a CPU as follows.

  That is, the recording / reproducing apparatus 1 includes a central processing unit (CPU) that executes instructions of a control program that realizes each function, a read only memory (ROM) that stores the program, and a random access memory (RAM) that expands the program. And a storage device (recording medium) such as a memory for storing the program and various data. An object of the present invention is a recording medium on which a program code (execution format program, intermediate code program, source program) of a control program of the recording / reproducing apparatus 1 which is software for realizing the functions described above is recorded so as to be readable by a computer. This can also be achieved by supplying the recording / reproducing apparatus 1 and reading and executing the program code recorded on the recording medium by the computer (or CPU or MPU).

  Examples of the recording medium include a tape system such as a magnetic tape and a cassette tape, a magnetic disk such as a floppy (registered trademark) disk / hard disk, and a compact disk-ROM / MO / MD / digital video disk / compact disk-R. A disk system including an optical disk, a card system such as an IC card (including a memory card) / optical card, or a semiconductor memory system such as a mask ROM / EPROM / EEPROM / flash ROM can be used.

  The recording / reproducing apparatus 1 may be configured to be connectable to a communication network, and the program code may be supplied via the communication network. The communication network is not particularly limited. For example, the Internet, intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication. A net or the like is available. Further, the transmission medium constituting the communication network is not particularly limited. For example, even in the case of wired such as IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL line, etc., infrared rays such as IrDA and remote control, Bluetooth ( (Registered trademark), 802.11 wireless, HDR, mobile phone network, satellite line, terrestrial digital network, and the like can also be used. The present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and the technical means disclosed in different embodiments can be appropriately combined. Such embodiments are also included in the technical scope of the present invention.

  The present invention can be widely applied to an information recording medium having a multilayer structure having a ROM layer and an RE layer, an information recording apparatus for recording information on the optical information recording medium, and the like.

1, 1a, 1b Information recording device 2 Television device 3 Server 5 Terminal device 10, 10a, 10b Processing unit 11 Drive unit (recording processing means)
50 processing section 51 drive section (recording processing means)
100 discs (detachable information recording medium)
101 content reproduction unit 102 catalog presentation unit (presentation means)
103 Content acquisition unit (acquisition means)

Claims (15)

An information recording apparatus for recording information on a detachable information recording medium provided with a non-rewritable first information recording layer and a rewritable second information recording layer,
Acquisition means for acquiring related content related to content recorded in advance in the first information recording layer;
An information recording apparatus comprising: a recording processing unit that records the related content acquired by the acquiring unit in the second information recording layer.   2. The information recording apparatus according to claim 1, wherein the acquisition unit acquires the related content based on a catalog of the related content recorded in advance in the first information record. Further comprising presentation means for presenting the catalog to the user;
The information recording apparatus according to claim 2, wherein the acquisition unit acquires related content selected by the user from the presented catalog. The recording processing means further has a function of recording identification information for identifying the selected related content in the second information recording layer,
The information recording apparatus according to claim 3, wherein the acquisition unit acquires the selected related content based on identification information recorded in the second information recording layer.   The information recording apparatus according to claim 3 or 4, wherein the presenting means displays the catalog as thumbnails of each related content.   6. The presenting means further has a function of reproducing a part of the related content included in the catalog with respect to the related content provisionally selected by the user from the presented catalog. The information recording device according to any one of the above. A communication means for transmitting authentication data pre-recorded in the first information recording layer to an external server;
The information recording apparatus according to claim 1, wherein the acquisition unit acquires related content transmitted from the external server that has received the authentication data. The communication means further has a function of transmitting key information recorded in advance in the second information recording layer to the external server,
The acquisition means acquires the related content encrypted based on the key information from the external server that has received the authentication data and the key information,
The information recording apparatus according to claim 7, wherein the recording processing unit records the encrypted related content in the second information recording layer. A search means for searching for the related content based on the content information;
The information recording apparatus according to claim 1, wherein the acquisition unit acquires the related content searched by the search unit. An information recording device for recording information on a detachable information recording medium including a non-rewritable first information recording layer and a rewritable second information recording layer, and a terminal device,
The information recording device includes:
Presenting means for presenting to the user a catalog of related content related to the content pre-recorded in the first information recording layer, the catalog pre-recorded in the first information recording layer;
Device-side recording means for recording identification information for identifying the related content selected by the user from the catalog of the related content presented by the presenting means in the second information recording layer,
The terminal device
Obtaining means for obtaining the selected related content based on the identification information recorded in the second information recording layer;
An information recording system comprising: a terminal-side recording unit that records the related content acquired by the acquiring unit in the second information recording layer. An information recording method for recording information on a detachable information recording medium having a read-only first information recording layer and a rewritable second information recording layer,
An acquisition step of acquiring related content related to content recorded in advance in the first information recording layer;
And a recording step of recording the related content acquired in the acquisition step on the second information recording layer.   11. An information recording program for operating the information recording apparatus according to claim 1, wherein the information recording program is for operating a computer as each of the means.   A computer-readable information recording medium on which the information recording program according to claim 12 is recorded. A computer-readable detachable information recording medium, comprising a first information recording layer that is not rewritable and a second information recording layer that is rewritable,
13. An information recording medium in which content and the information recording program according to claim 12 are recorded in the first information recording layer.   15. The information recording medium according to claim 14, wherein a catalog of related content related to the content is further recorded in the first information recording layer.

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