JP2006185304A - Rental system, recorder for rental system and data managing method of content data - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rental system capable of firmly protecting copyright without losing a rental opportunity of content data. <P>SOLUTION: A DVD rental system 100 in this embodiment comprises a plurality of terminal devices 200 arranged at rental shops to record content data to be a rental object in a DVD-R (digital versatile disc-recordable) 20, manage corresponding recording and perform rental management of the DVD-R 20, and a server device 300 for performing data management, and the terminal devices 200 record encrypted content data in the DVD-R 20 from a removable HD 10 and perform recording management of the recorded content data on the basis of barcode data formed in each DVD-R 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention belongs to a technical field of a rental system that records content data such as a movie or music on a portable recording medium and manages the rental of the recording medium.

  2. Description of the Related Art Conventionally, content data such as movies or music has been lent out in a state of being recorded in advance on a recording medium such as a video tape, a CD (Compact Disc), or a DVD (Digital Versatile Disc). On the other hand, recently, due to the rapid development of the rewritable DVD, introduction of a new system is also being considered for the rental system.

  This rental system records the provided content data on a recording medium at the rental site such as a rental shop and provides the recording medium so that the content data requested by the user can be lent out. It is supposed to be.

Specifically, this rental system includes communication means for transmitting / receiving encrypted content data (hereinafter referred to as encrypted content data), storage means for storing received encrypted content data, and storage in the storage means. Management means for managing the reproduction of the content that has been decrypted, decrypting means for decrypting the encrypted content data during playback, and recording means for recording the decrypted content data on a recording medium, which are reserved in advance by the user Alternatively, by recording content data for which a large amount of demand is expected on a recording medium, the content data requested by the user can always be lent (see, for example, Patent Document 1).
JP 2004-13261 A

  However, in the above-described rental system, a rewritable DVD is used as a recording medium, and the usage status such as the number of rewritable DVDs on which content data is recorded is managed for copyright protection. However, since the content data is overwritten on the recording medium at any time, it is not possible to accurately identify and manage the DVD that is actually lent out, and the number of recorded DVDs on which each content data is recorded. In addition, it may be difficult to accurately grasp the number of times each content data is recorded.

  Therefore, the present invention solves an example of the above problem by using a recording medium having identification information and managing the content data to be lent together with the identification information, thereby losing the opportunity for lending the content data. An object of the present invention is to provide a rental system that can securely protect the copyright without having to do so.

  In order to solve the above-mentioned problems, the present invention relates to a rental system that records content data desired by a user on a recording medium and manages lending when the recorded recording medium is lent to the user. Content data acquisition means for acquiring content data recorded on the recording medium, the content data encrypted by a predetermined encryption method, and type information indicating the type of the content data; , Forming identification information for distinguishing from other pre-allocated recording media on a recording medium in which key information for decrypting the encrypted content data is recorded in advance, and the encrypted content Recording means for recording data, and identification information formed on the recording medium when the encrypted content data is recorded. It has a configuration and a management means for managing the number of sheets of the print medium to which the content data is recorded for each type of the obtained content data Zui.

  Next, an embodiment suitable for the present application will be described with reference to the drawings.

  In the embodiment described below, a DVD-R (Digital Versatile Disc-Recordable) capable of additionally recording data is applied to the recording medium of the present application, and the rental system according to the present application is applied to the DVD-R. This is an embodiment when applied to a rental system (hereinafter referred to as a DVD rental system).

  First, the overall configuration and outline operation of the DVD rental system in this embodiment will be described with reference to FIG. FIG. 1 is a block diagram showing a schematic configuration of a DVD rental system according to this embodiment according to the present application.

  As shown in FIG. 1, the DVD rental system 100 according to the present embodiment is arranged in each store that rents content data to a user (hereinafter referred to as a rental shop), and a DVD-R 20 of content data to be lent. Data management (hereinafter also referred to simply as recording processing), management of the recording, and a plurality of terminal devices 200 that perform lending management of the DVD-R 20, and data management of content data recorded on the DVD-R 20 A management server device (hereinafter simply referred to as a server device) 300.

  Each terminal device 200 according to the present embodiment is provided with encrypted content data (hereinafter referred to as encrypted content data) to be rented in a portable hard disk (hereinafter referred to as removable HD) 10. It has become so. Each terminal device 200 is configured to record encrypted content data from the removable HD 10 to the DVD-R 20 at each rental shop. As will be described later, each terminal device 200 uses identification information formed on each DVD-R 20. Management of the number of recorded content data (hereinafter referred to as recording management) is performed based on information on a certain barcode (hereinafter referred to as barcode data). The terminal device 200 is returned when the recorded DVD-R (hereinafter referred to as a recorded DVD-R) 20 is lent to a user or after the recorded DVD-R 20 is lent. At this time, the barcode data is read by a barcode reading unit 207, which will be described later, and the rental management of the content data having the barcode is performed by the read barcode data.

  On the other hand, the terminal device 200 manages the history for each content data by recording management and lending management, and records the history for each content data at a predetermined timing such as daily, weekly or monthly. Information on each history of the lending history for each recorded DVD-R 20 is transmitted to the server apparatus 300 as history information. The server device 300 according to the present embodiment receives the history information transmitted from the terminal device 200 and manages the content data in the DVD rental system 100 based on the received history information. .

  The DVD-R 20 used in this embodiment has key information for decrypting the encrypted content data when the encrypted content data recorded on the DVD-R 20 is decrypted and reproduced. More specifically, the key information is recorded in the form of pits in a predetermined area.

  For example, when content data is recorded on a DVD-R 20 using a CSS (Content Scramble System) encryption method that encrypts content data based on a content key, a title key, and a master key, the content key The title key information encrypted with the information and the content key information encrypted with the master key information are recorded in advance in a predetermined area of the DVD-R 20 as key information. In this embodiment, the key information, that is, the key information of the encrypted title key and the key information of the content key are formed by pits and recorded in advance.

  Further, in the DVD-R 20 used in the present embodiment, identification information is previously formed as visible information on a surface different from a recording surface on which encrypted content data and key information are recorded, that is, a so-called label surface. Specifically, when the DVD-R 20 is rented or returned after being lent out, the barcode reading unit 207 reads the visible information as described later, The identification information of the DVD-R 20 related to the return is acquired, and the DVD-R 20 is identified.

  Further, the DVD-R 20 used in the present embodiment is assigned identification information in advance, and is assigned by the terminal device 200 when the encrypted content data is recorded on the DVD-R 20, or each DVD is previously stored. -Recorded in R20.

  On the other hand, a plurality of encrypted content data and at least name information indicating the name of the encrypted content data are recorded in association with each encrypted content data as type information, and the removable HD 10 is connected to the terminal device. When attached to 200, the name information of the encrypted content data stored in the removable HD 10 is displayed on the external device 40 connected to the outside.

  As described above, the DVD rental system 100 according to the present embodiment is provided with content data using the removable HD 10 and the DVD-R 20 as described above, and as described later, the history is based on the identification information and the type information. By analyzing the information, record management and lending management are performed.

  Next, a specific configuration of the terminal device 200 in the present embodiment will be described with reference to FIG. FIG. 2 is a block diagram showing a specific configuration of the terminal device 200 in the present embodiment.

  The terminal device 200 of the present embodiment records on the DVD-R 20 the HD drive 201 that reads the encrypted content data from the removable HD 10 and the encrypted content data read from the removable HD 10, and stores the barcode data described below. A DVD recording unit 202 formed on the DVD-R 20 and an authentication interface (hereinafter referred to as an authentication I / F) used for authenticating the recording process when recording encrypted content data from the removable HD 10 to the DVD-R 20 203), and the encrypted content data recorded on the removable HD 10 is recorded on the DVD-R 20.

  Further, the terminal device 200 reads the encrypted content data recorded on the DVD-R 20 when the encrypted content data is recorded from the removable HD 10 onto the DVD-R 20 or after the content data is recorded, and decrypted. , An output processing unit 205 that converts the decrypted content data into a predetermined signal format and outputs it to an external device 40 such as a monitor (not shown), and an OSD (On Screen Display) for the output video signal ) OSD processing unit 206 that performs processing, and when the encrypted content data is recorded on the DVD-R 20 or after the recording of the content data, the recorded or recorded encrypted content data Confirmation can be made.

  In addition, when the terminal device 200 lends a recorded DVD-R20 on which encrypted content data is recorded to a user, the terminal device 200 reads barcode data that is identification information formed in advance on the recorded DVD-R20. Bar code reading unit 207 used for recording, and when the encrypted content data is recorded on the DVD-R 20, the content data is lent based on the recording history including the number of recorded encrypted content data and the read barcode data The data management unit 208 that manages the lending history including the number of times and the terminal device communication control unit 209 that transmits the history information to the server device 300 via the communication line 30 perform lending management of content data. It is like that.

  Further, the terminal device 200 includes a terminal device operation unit 210 that performs recording of encrypted content data on the DVD-R 20 and various setting operations for performing the recording, lending management, and history information generation processing (hereinafter referred to as “history information generation processing”) , A history information generation process), a terminal device system control unit 211 that controls each unit when executing the history information transmission process (hereinafter referred to as a history information transmission process), and a predetermined process. And a terminal device ROM / RAM 212 to be used.

  For example, the HD drive 201 of this embodiment constitutes content data acquisition means of the present invention, and the DVD recording unit 202 constitutes recording means of the present invention. Further, for example, the management unit of the present embodiment constitutes the data management unit 208 of the present invention, and the barcode reading unit 207 constitutes the lending information acquisition unit of the present invention. Furthermore, for example, the terminal device communication control unit 209 of the present embodiment constitutes the transmission means of the present invention.

  The HD drive 201 has a structure for making the removable HD 10 detachable, and has an HD drive interface conforming to a predetermined standard such as ATAPI (AT Attachment Packet Interface). The HD drive 201 reads encrypted content data from the removable HD 10 under the control of the terminal device system control unit 211, and directly reads the read encrypted content data from the DVD recording unit 202. To output.

  When the encrypted content data is recorded on the DVD-R 20, the HD drive 201 outputs the name information of the encrypted content data to be recorded to the data management unit 208 as type information. It has become.

  The DVD recording unit 202 has a structure in which the DVD-R 20 can be attached and detached, and a DVD drive interface compliant with a predetermined standard such as ATAPI (AT Attachment Packet Interface). The DVD recording unit 202 records the encrypted content data on the same surface as the recording surface on which the key information is recorded in advance on the DVD-R 20 under the control of the terminal system control unit.

  The DVD recording unit 202 is different from the recording surface on which the encrypted content data is recorded when the encrypted content data is recorded on the DVD-R 20 under the control of the terminal device system control unit 211. That is, predetermined bar code data is recorded as identification information on the label surface.

  On the other hand, the DVD recording unit 202 reads the encrypted content data from the DVD-R 20 in order to confirm the encrypted content data recorded or recorded on the DVD-R 20, and the read encryption The encrypted content data is output to the external device 40 via the decryption processing unit 204 and the output processing unit 205.

  Further, the DVD recording unit 202 outputs the type information indicating the type of the encrypted content data and the identification information of the DVD-R 20 to the data management unit 208 when recording the barcode data. .

  The authentication I / F 203 has a structure for making an authentication recording medium such as an IC card detachable, and a contact device for authentication such as palm vein authentication (hereinafter referred to as vein authentication) in a human body. When the encrypted content data is recorded on the DVD-R 20 from the removable HD 10, it is used when the recording process is authenticated. Specifically, the authentication I / F 203 is configured to output authentication information (hereinafter referred to as authentication information) of the person in charge who performs the recording process to the terminal device system control unit 211.

  Encrypted content data output from the DVD recording unit 202 is input to the decryption processing unit 204. For example, when the content data is encrypted by the CSS encryption method, the decryption processing unit 204 decrypts the encrypted content data based on the key information read together with the encrypted content data. A predetermined process is performed on the decrypted content data to generate video data and audio data in the content data. The decoding processing unit 204 outputs the generated video data and audio data to the output processing unit 205.

  Decoded video data and audio data and display data generated by the OSD processing unit 206 are input to the output processing unit 205. The output processing unit converts the input video data and audio data into a predetermined signal format, for example, a signal format of NTSC format, and superimposes the input display data on the converted video signal. It is like that. The output processing unit 205 outputs the video signal in which the display data is multiplexed and the audio signal in which the signal format is converted to the external device 40 connected via the video signal output terminal T1 and the audio signal output terminal T2. It is supposed to be.

  For example, in the present embodiment, a monitor having a function of amplifying audio is connected as the external device 40, and the video signal or audio signal output from the output processing unit 205 is amplified by the monitor. And is designed to be displayed.

  The OSD processing unit 206 generates display data to be multiplexed with the video signal output to the external device 40 such as character information under the control of the terminal device system control unit 211, and the generated character Display data such as information is output to the output processing unit 205.

  The bar code reading unit 207 is identification information previously formed on the recorded DVD-R 20 when the recorded DVD-R 20 on which the encrypted content data is recorded is lent to the user, and has a different thickness. It is used when reading barcode data composed of a combination of bars and white spaces. The barcode reading unit 207 recognizes identification information based on the read barcode data, and outputs the recognized identification information to the data management unit 208.

  When the encrypted content data is recorded on the DVD-R 20 under the control of the terminal system control unit, the data management unit 208 manages the number of recorded data on the DVD-R 20 for each content data and is recorded. The recording history of each recorded DVD-R 20 such as recorded content data and recording date and time is managed.

  Specifically, the data management unit 208 includes content data type information output from the HD drive 201, identification information that is barcode data of each DVD-R 20 assigned in advance, and a terminal device as will be described later. The authentication result information (hereinafter referred to as authentication result information) output from the system control unit 211 is input. The data management unit 208 manages the number of recorded content data on the DVD-R 20 for each content data based on the input type information, identification information, and authentication result information, and also records the recorded content data. The management of recording history information of each recorded DVD-R 20 such as name and recording date and time is performed.

  For example, the data management unit 208 of the present embodiment records the number of DVD-R20s recorded for each content data based on the content data type information, the identification information of the recorded DVD-R20, and the authentication result information. The date and time and the person in charge who performed the recording process are managed as recording history information in association with the identification information of the DVD-R 20.

  On the other hand, the identification information recognized by the barcode reading unit 207 is input to the data management unit 208 when the recorded DVD-R 20 is lent out and when the recorded DVD-R 20 is returned. It has become so. The data management unit 208 manages the number of lending for each recorded DVD-R 20 based on the input identification information, and performs lending management such as management of lending users.

  Specifically, the data management unit 208 of the present embodiment manages each information of the number of lending for each recorded DVD-R 20, the date and time of lending, and the lending user information as lending history information. Yes.

  For example, when the encrypted content data is recorded on the DVD-R 20, the data management unit 208 of the present embodiment, for each content data and for each recorded DVD-R 20, based on the type information and the identification information. Lending history information is generated, and when the recorded DVD-R 20 is lent out, the number of lendings in the lending history information is increased by “1”. That is, when the barcode reading unit 207 recognizes the identification information at the time of renting the recorded DVD-R 20, the data management unit 208 performs each content data based on the recognized identification information, and The lending history information generated for each DVD-R 20 is searched, and the lending frequency of the corresponding lending history information is increased.

  Note that the loan history information having the number of loans generated in the data management unit 208 is transmitted to the server device 300 at a predetermined timing, and when transmitted, as described later, The server apparatus 300 is used for data analysis.

  On the other hand, every time content data is recorded on the DVD-R 20, the data management unit 208 transmits the recording history information and the lending history information at a predetermined timing such as every day, every week, or every month. The data is output to the control unit 209 and transmitted to the server device 300 via the terminal device communication control unit 209.

  The terminal device communication control unit 209 is configured to receive the record history information and the loan history information output from the data management unit 208, and are input under the control of the terminal device system control unit 211. The recording history information and the lending history information are transmitted to the server device 300 via the communication line 30.

  The terminal device operation unit 210 includes an input device such as a keyboard or a mouse having a large number of keys such as various confirmation buttons, selection buttons, and numeric keys. The terminal device operation unit 210 is used to perform input of type information, data correction of recording history information or lending history information, and other management when recording encrypted content data on the DVD-R 20. It is like that.

  The terminal device system control unit 211 reads a control program stored in the terminal device ROM / RAM 212 and executes each process, and temporarily holds the data being processed in the terminal device ROM / RAM 212. Thus, processing relating to recording management including recording processing (hereinafter referred to as recording management processing) and processing relating to lending management (hereinafter referred to as lending management processing) are controlled.

Specifically, the terminal device system control unit 211 of the present embodiment controls each unit in the control of the recording management process including the recording process,
(1) Confirmation operation of whether or not the DVD-R 20 is capable of recording encrypted content data,
(2) Authentication processing based on the record management information output from the authentication I / F 203,
(3) Recording control of content data selected via the terminal device operation unit 210;
(4) Identification information recording control in the DVD-R 20 and (5) Recording history information generation control based on the content data type information and the DVD-R 20 identification information are performed.

  For example, the terminal device system control unit 211 receives the authentication information output from the authentication I / F 203, and encrypts the received authentication information and the encrypted content in the DVD-R 20 recorded in the terminal device ROM / RAM 212. Authentication processing is performed based on information on a person in charge who can record data. In this embodiment, the terminal device ROM / RAM 212 stores, for each person in charge, a personal identification number, an IC card possessed by each person, and vein data of each person in charge. The control unit 211 determines whether or not to record the encrypted content data based on the authentication information, the personal identification number, and the IC card input when the encrypted content data is recorded on the DVD-R 20. .

  Note that the terminal device system control unit 211 outputs authentication result information to the data management unit 208 in order to manage recording history information as described above.

On the other hand, the terminal device system control unit 211 of the present embodiment controls each unit in the control of the lending management process,
(1) Lending process for the recorded DVD-R20 lent out when the recorded DVD-R20 is lent;
(2) Return processing of the recorded DVD-R20 returned when the recorded DVD-R20 is returned;
(3) Lending history information generation control based on lending processing and return processing, and (4) transmission control of the generated lending history information and recording history information to the server device 300 are performed.

  Details of the operation of the record management process in the terminal device system control unit 211 of this embodiment will be described later.

  Next, a specific configuration of the server apparatus 300 in the present embodiment will be described with reference to FIG. FIG. 3 is a block diagram illustrating a specific configuration of the server apparatus 300 in the present embodiment.

  The server device 300 according to the present embodiment includes a server device communication control unit 301 that receives recording history information and lending history information transmitted from the terminal device 200, and a predetermined number based on each received history information. A data analysis unit 302 that executes analysis processing; and a data storage unit 303 that stores analyzed data (hereinafter referred to as analysis data), and each content data is based on the received history information. Various data analysis including the number of loans is performed.

  In addition, the server device 300 displays a server device operation unit 304 mainly used for performing various operations when the analysis processing is executed, and various data when the analysis processing is executed. Server device display unit 305, server device system control unit 306 that controls each unit when performing predetermined analysis processing and communication processing with terminal device 200, and server device ROM / RAM 307 used during various controls. And various kinds of data after analysis processing are displayed on the server device display unit 305.

  The server device communication control unit 301 receives the history information of the record history information and the loan history information transmitted from the terminal device 200 via the communication line 30 under the control of the server device system control unit 306. Each history information received is output to the data analysis unit 302.

  The history information of the record history information and the loan history information received by the server device communication control unit 301 is input to the data analysis unit 302. Further, the data analysis unit 302 is based on each history information input under the server device system control unit 306, at a predetermined timing or based on an operation of the server device operation product. In each rental shop, the number of encrypted content data recorded on the DVD-R 20 and the number of rentals on the DVD-R 20 or the number of recordings on the DVD-R 20 for each content data and the number of rentals on the DVD-R 20 are tabulated. It is like that. For example, the data analysis unit 302 of the present embodiment constitutes a management unit of the present invention.

  On the other hand, the data analysis unit 302 causes the server device display unit 305 to display the necessary display data via the server device system control unit 306 when the above-described recording number or the number of times of recording is performed. It has become.

  In the data storage unit 303, the data of the number of recordings or the number of rentals for each rental shop or each content data aggregated by the data analysis unit 302 is stored for each predetermined period such as daily, weekly or monthly. Stored. In addition, the data storage unit 303 displays the stored data of the number of recorded sheets or the number of rentals based on the operation of the server device operation unit 304 input via the server device system control unit 306. This is displayed on the part 305.

  The server device operation unit 304 includes an input device such as a keyboard or a mouse having a number of keys such as various confirmation buttons, selection buttons, and numeric keys. The server device operation unit 304 is used when an instruction to display the record history information or the loan history information on the server device display unit 305 is issued.

  The server device display unit 305 is mainly used when displaying the analysis result of each history information of the record history information or the loan history information, or when the administrator performs various operations.

  The server device system control unit 306 reads the control program stored in the server device ROM / RAM 307 and executes each process, and temporarily holds the data being processed in the terminal device ROM / RAM 212. Thus, processing related to data analysis (hereinafter referred to as data analysis processing) is controlled.

  Next, the operation of the recording management process in the terminal device system control unit 211 of this embodiment will be described with reference to FIGS. 4 and 5.

  4 and 5 are flowcharts showing the operation of the recording management process in the terminal device system controller 211 of this embodiment.

  In this operation, it is assumed that a removable HD 10 in which a plurality of encrypted content data including encrypted content data to be recorded on the DVD-R 20 is recorded in advance is stored in the HD drive 201. Further, the authentication I / F 203 includes an IC card slot and a device for performing vein authentication, and the personal identification number of the person in charge who can perform record management processing in advance, and various data of the IC card and vein are stored. It is assumed that it is stored in the terminal device ROM / RAM 212.

  Further, the identification information of each DVD-R 20 on which the encrypted content data is to be recorded is assigned by the terminal device system control unit 211 when the encrypted content data is recorded.

  In this operation, the transmission of the record history information to the server apparatus 300 is performed every time the encrypted content data is recorded on the DVD-R 20.

  First, a person in charge of recording encrypted content data operates the terminal device operation unit 210 to select specific content data stored in the removable HD 10 and record the encrypted content data. When the instruction is given, the terminal device system control unit 211 detects the instruction (step S11) and determines whether or not the DVD-R 20 is attached to the DVD recording unit 202 (step S12).

  Next, when the DVD-R 20 is installed in the DVD recording unit 202 and the terminal system control unit determines that the DVD-R 20 is installed, the terminal device system control unit 211 determines that the DVD-R 20 is installed. It is determined whether or not R20 has predetermined key information (step S13).

  At this time, when the DVD-R 20 is not attached to the DVD recording unit 202 and the terminal system control unit determines that the DVD-R 20 is not attached, the terminal device system control unit 211 End the operation.

  Next, when it is determined that predetermined key information is recorded on the DVD-R 20 to which the terminal device system control unit 211 is mounted, the terminal device system control unit 211 inserts an IC card into the authentication I / F 203. If it is determined that the IC card is not inserted in the authentication I / F 203, the operation is terminated.

  Next, when the terminal device system control unit 211 determines that the IC card is inserted into the authentication I / F 203, the terminal device system control unit 211 determines that the inserted IC card is a regular IC card. It is determined whether or not there is (step S15), and if it is determined that the inserted IC card is not a regular IC card, this operation is terminated.

  For example, in this embodiment, each person in charge who can perform record management processing in advance is a regular IC card, and each person in charge may be authenticated by the identification number of the IC card. It may simply be determined whether or not a genuine IC card is available.

  Next, when it is determined that the IC card into which the terminal device system control unit 211 is inserted is a legitimate IC card, the terminal device system control unit 211 gives a notice to the person in charge to input the personal identification number, The input is waited (step S16).

  For example, in the present embodiment, the terminal device system control unit 211 controls the OSD processing unit 206 so as to display to the external device 40 connected to the terminal device 200 that the password is input.

  Next, when a password is input to the terminal device system control unit 211 via the terminal device operation unit 210, the terminal device system control unit 211 stores the input password and the terminal device ROM / RAM 212. The stored data for authentication is collated to determine whether it is correct (step S17). When it is determined that the input password is incorrect, this operation is terminated.

  Next, when the terminal device system control unit 211 determines that the input password is correct, the terminal device system control unit 211 notifies the person in charge that vein authentication is performed, and waits for the input ( Step S18).

  For example, in the present embodiment, the terminal device system control unit 211 places the palm of the person in charge at a predetermined position of the authentication I / F 203 on the external device 40 connected to the terminal device 200, as in the case of inputting the personal identification number. The OSD processing unit 206 is controlled so as to display that it is placed.

  Next, when the authentication I / F 203 recognizes the palm of the person in charge, the terminal device system control unit 211 collates the recognized palm data with the authentication data stored in the terminal device ROM / RAM 212. The correct / incorrect is determined (step S19), and if it is determined that the recognized palm is incorrect, the operation is terminated.

  Next, when the terminal device system control unit 211 determines that the recognized palm is correct, the terminal device system control unit 211 controls the HD drive 201 and the DVD recording unit 202 to perform encryption from the removable HD 10. The content data is read, and the read encrypted content data is recorded on the DVD-R 20 (step S20).

  Next, when the recording of the encrypted content data on the DVD-R 20 is completed, the terminal system control unit 211 confirms the recording status of the DVD-R 20 and the encrypted content data is correctly recorded on the DVD-R 20. It is determined whether or not there is (step S21).

  At this time, if the terminal device system control unit 211 determines that the encrypted content data is not correctly recorded on the DVD-R 20, the terminal device system control unit 211 connects the terminal device 200 with a display prompting a retry. The OSD processing unit 206 is controlled so as to be displayed on the external device 40 (step S22), and the process proceeds to step S11.

  On the other hand, when the terminal device system control unit 211 determines that the encrypted content data is correctly recorded on the DVD-R 20, the terminal device system control unit 211 reads the name information of the recorded encrypted content data. Based on the identification information and authentication result information of the DVD-R 20 assigned in advance, predetermined information such as the barcode and the title of the content data is formed (step S23).

  For example, in the present embodiment, the DVD recording unit 202 may form a bar code or other information by recording predetermined information on the label surface with a laser, as in the case of encrypted content data, an inkjet method, or the like. The bar code and other information may be formed by a predetermined printing method.

  Next, the terminal device system control unit 211 causes the data management unit 208 to generate record history information based on the type information, identification information, and authentication result information acquired from the removable HD 10 (step S24).

  At this time, the data management unit 208 outputs the type information acquired from the removable HD 10, the identification information of the DVD-R 20 assigned in advance by the terminal device system control unit 211, and the terminal device system control unit 211. Record history information is generated based on the authentication result information.

  Finally, the terminal device system control unit 211 causes the server device 300 to transmit the recording history information generated by the terminal device communication control unit 209 (step S25), and sends the recording history information to the inside of the data management unit 208. This operation is terminated.

  As described above, according to the present embodiment, the DVD rental system 100 according to the present embodiment records content data desired by a user on a recording medium, and manages lending when lending the recorded recording medium to the user. A DVD rental system 100 that performs content data recorded on a recording medium and acquires content data encrypted by a predetermined encryption method and type information indicating the type of the content data The drive 201 and a recording medium on which key information for decrypting the encrypted content data is recorded in advance are formed with identification information for identifying the other recording medium allocated in advance and encrypted. The DVD recording unit 202 for recording content data and the recording medium when the encrypted content data is recorded It includes a data management unit 208 to which the content data for each type of content data acquired based on the identification information to manage the recorded number of the recorded recording medium.

  With this configuration, the DVD rental system 100 according to the present embodiment is used to identify a recording medium in which key information for decrypting encrypted content data is recorded in advance from other recording media allocated in advance. Forming identification information and recording encrypted content data, and when the encrypted content data is recorded, the content data for each type of content data acquired based on the identification information formed on the recording medium Is used to manage the number of recordings on the recording medium on which is recorded.

  In other words, the DVD rental system 100 according to the present embodiment is a recording medium when the content data is recorded on a recording medium and the recording medium is lent out at a rental provider such as a rental shop where the content data is lent. Each time identification information is formed, content data is recorded.

  Therefore, the DVD rental system 100 according to the present embodiment can provide the recording medium to the user even when there is no recording medium in which the content data is recorded at the rental data providing destination such as a rental shop. In addition, when the content data is recorded on the recording medium, the recording medium on which the content data is recorded can be managed for each recording medium. As a result, the DVD rental system 100 according to the present embodiment can securely protect the copyright without losing the rental opportunity of the content data.

  Further, when the DVD rental system 100 according to the present embodiment lends a recording medium on which content data is recorded to a user, type information indicating the type of the content data and identification information included in the recording medium to be lent Barcode reading means for acquiring the content data, and when the data management unit 208 rents the content data to the user, the content data is recorded based on the identification information and the type information acquired by the barcode reading means. The recording medium lending frequency is managed.

  With this configuration, the DVD rental system 100 according to the present embodiment lends the recording medium on which the content data is recorded based on the identification information and the type information acquired by the barcode reading unit when lending the content data to the user. Manage the number of times.

  Therefore, the DVD rental system 100 according to the present embodiment uses the recording medium on which the content data is recorded even when there is no recording medium on which the content data is recorded at the rental data providing destination such as a rental shop. It can be managed for each recording medium, and the number of rentals of the recording medium on which the content data is recorded can also be managed. As a result, the DVD rental system 100 of the present embodiment can be used repeatedly once the content data is recorded on the recording medium, so that the copyright of the content data is firmly lost without losing the opportunity to lend the content data. Protection can be performed.

  Also, in the DVD rental system 100 of this embodiment, the DVD recording unit 202 forms identification information as visible information, and encrypted content data on a surface different from the surface of the recording medium on which the visible information is recorded. Is recorded.

  With this configuration, the DVD rental system 100 according to the present embodiment forms identification information as visible information, and records encrypted content data on a different surface from the recording medium on which the visible information is recorded.

  Therefore, the DVD rental system 100 according to the present embodiment can visually recognize the recording medium on which the content data is recorded, so that the content data recorded on the recording medium can be specified easily and accurately. Can do.

  Also, the DVD rental system 100 according to the present embodiment has a configuration in which the HD drive 201 acquires content data and type information from the removable HD 10.

  With this configuration, the DVD rental system 100 according to the present embodiment can acquire content data from a portable recording medium. Therefore, the content data can be easily and accurately acquired.

  In addition, the DVD rental system 100 according to the present embodiment has a configuration in which the DVD recording unit 202 records the encrypted content data on a write-once recording medium as a recording medium and forms identification information.

  With this configuration, the DVD rental system 100 according to the present embodiment records the encrypted content data on the write-once recording medium as a recording medium and forms identification information, so that the content data is recorded on a specific recording medium. Therefore, copyright management can be easily performed.

  Also, the DVD rental system 100 of the present embodiment has a configuration in which the DVD recording unit 202 records the encrypted content data on a recording medium in which key information is formed by pits.

  With this configuration, the DVD rental system 100 according to the present embodiment records the encrypted content data on a recording medium in which key information is formed by pits. Therefore, a general-purpose recording medium playback apparatus that also uses key information If the encryption method and the key information are applied, the time for recording the content data can be shortened, and the content data cannot be reproduced when the content data is acquired. It is possible to easily perform strong copyright management.

  In the DVD rental system 100 according to the present embodiment, the barcode reading unit acquires identification information when the recording medium lent out by the user is returned, and the data management unit 208 returns the returned recording medium. The return status of each recording medium is managed based on the identification information.

  With this configuration, the DVD rental system 100 according to the present embodiment manages the return status of each recording medium based on the identification information of the returned recording medium, so that the content data can be managed accurately.

  In this embodiment, the DVD recording unit 202 forms identification information as visible information, and records the identification information on a surface different from the surface of the recording medium on which the visible information is recorded, that is, on the label surface. However, the identification information may be formed on the recording surface on which the key information is recorded, that is, on the same surface as the recording surface on which the content data is recorded.

  In this case, when lending the recorded DVD-R 20 to the user, a reading device that reads the identification information recorded on the DVD-R 20 is used instead of the barcode reading unit 207.

  In the present embodiment, the barcode data formed on the DVD-R 20 is recorded and formed on a different surface from the recording surface as visible information when the encrypted content data is recorded. Of course, it may be formed in advance on the DVD-R 20.

  Further, in the present embodiment, the identification information is formed as visible information on the DVD-R 20, but of course, the identification information may be formed in a format that can be visually recognized.

  In this embodiment, various key information is recorded in advance on the DVD-R 20, but the key information may be recorded together with the content data.

  In the present embodiment, the data management unit 208 of the terminal device 200 generates recording history information at the time of recording management processing. However, the terminal device 200 and the server device 300 perform the recording processing. The communication line 30 is connected, and the recording history information may be generated in the server device 300, for example, the data analysis unit 302.

  Further, the DVD recording unit 202 of this embodiment may form the barcode data while recording the encrypted content data, or may be performed before and after the encrypted content data is recorded. .

  In this embodiment, the name information of the content data is acquired as the type information via the HD drive 201. Of course, the person in charge of the recording process uses the terminal device operation unit 210 to execute the terminal operation. You may make it input into the system control part 211 for apparatuses. In this case, the type information is input to the data management unit 208 via the terminal device system control unit 211. For example, the terminal device system control unit 211 of the present embodiment constitutes an acquisition unit of the present invention.

  Further, in this embodiment, since CSS is used as an encryption method for recording content data on a recording medium, a playback device for playback of the rented DVD-R 20 is not selected, and therefore a versatile DVD rental system. 100 can be built.

It is a block diagram which shows schematic structure of the DVD rental system of one Embodiment which concerns on this application. It is a block diagram which shows the specific structure of the terminal device in the DVD rental system of one Embodiment. It is a block diagram which shows the specific structure of the server apparatus in the DVD rental system of one Embodiment. It is a flowchart (I) which shows the operation | movement of the recording management process in the system control part for terminals of one Embodiment. It is a flowchart (II) which shows the operation | movement of the recording management process in the system control part for terminals of one Embodiment.

Explanation of symbols

10… Removable HD
20 ... DVD-R
DESCRIPTION OF SYMBOLS 100 ... DVD rental system 200 ... Terminal apparatus 201 ... HD drive 202 ... Recording apparatus 203 ... I / F for authentication
DESCRIPTION OF SYMBOLS 204 ... Decoding processing part 205 ... Output processing part 206 ... OSD processing part for terminal devices 207 ... Bar code reading part 208 ... Data management part 209 ... Communication control part for terminal devices 210 ... Operation part for terminal devices 211 ... For terminal devices System control unit 212 ... ROM / RAM for terminal device
DESCRIPTION OF SYMBOLS 300 ... Server apparatus 301 ... Server apparatus communication control part 302 ... Data analysis part 303 ... Data storage part 304 ... Server apparatus operation part 305 ... Server apparatus display part 306 ... Server apparatus system control part 306
307 ... ROM / RAM for server device

Claims (9)

A rental system that records content data desired by a user on a recording medium and manages lending when the recorded recording medium is lent to the user,
Content data to be recorded on the recording medium, content data encrypted by a predetermined encryption method, and content data acquisition means for acquiring type information indicating a type of the content data;
Forming identification information for distinguishing from other pre-allocated recording media on a recording medium in which key information for decrypting the encrypted content data is recorded in advance, and the encrypted content data Recording means for recording,
Management for managing the number of recording media on which the content data is recorded for each type of content data acquired based on the identification information formed on the recording medium when the encrypted content data is recorded Means,
A rental system comprising: The rental system according to claim 1,
When lending a recording medium on which the content data is recorded to the user, type information indicating the type of the content data and lending information acquisition means for acquiring identification information of the recording medium to be lent In addition,
When the management unit lends the content data to the user, the management unit manages the number of lending of the recording medium on which the content data is recorded based on the identification information and type information acquired by the lending information acquisition unit. A rental system characterized by In the rental system according to claim 1 or 2,
The rental system characterized in that the recording means forms the identification information as visible information and records the encrypted content data on a different surface from the surface of the recording medium on which the visible information is recorded. In the rental system according to claims 1 to 3,
A rental system in which the recording unit forms the identification information on the same recording surface as the recording surface on which the key information is recorded when the encrypted content data is recorded on the recording medium. . The rental system according to any one of claims 1 to 4,
A rental system, wherein the content data acquisition means acquires the content data and type information from the portable information recording medium. In the rental system according to any one of claims 1 to 5,
The rental system, wherein the recording means records the encrypted content data on the write-once recording medium as the recording medium and forms the identification information. The rental system according to any one of claims 1 to 7,
The rental system, wherein the recording means records the encrypted content data on the recording medium in which the key information is formed by pits. The rental system according to any one of claims 2 to 4,
The lending information acquisition unit acquires the identification information when the lent recording medium is returned by the user, and the management unit performs each of the above based on the identification information of the returned recording medium. A rental system characterized by managing the return status of recording media. A rental system recording device used in a rental system that manages rental of each content data in a server device when renting a recording medium on which content data desired by the user is recorded to the user,
Content data to be recorded on the recording medium, content data encrypted by a predetermined encryption method, and content data acquisition means for acquiring type information indicating the type of the content data;
Forming identification information for distinguishing from other pre-allocated recording media on a recording medium in which key information for decrypting the encrypted content data is recorded in advance, and the encrypted content data Recording means for recording,
In order to manage the number of recording media on which the content data is recorded, when the encrypted content data is recorded, the identification information formed on the recording medium and the content data recorded on the recording medium Transmitting means for transmitting the type information to the server device;
A rental system recording apparatus comprising:

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