WO2008072284A1 - コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 - Google Patents
コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 Download PDFInfo
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- WO2008072284A1 WO2008072284A1 PCT/JP2006/324544 JP2006324544W WO2008072284A1 WO 2008072284 A1 WO2008072284 A1 WO 2008072284A1 JP 2006324544 W JP2006324544 W JP 2006324544W WO 2008072284 A1 WO2008072284 A1 WO 2008072284A1
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- authentication information
- content
- validity period
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- payment
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
Definitions
- Content distribution device content reproduction device, content distribution method, content reproduction method, content distribution program, content reproduction program, and recording medium
- the present invention relates to a content distribution device, a content distribution method, a content distribution program, and a recording medium that distribute predetermined content data.
- the present invention also relates to a content playback apparatus, content playback program, and recording medium for playing back predetermined content data.
- the use of the present invention is not limited to the above-described content distribution device, content reproduction device, content distribution method, content reproduction method, content distribution program, content reproduction program, and recording medium.
- This subscription service that allows users to download and view (listen to) desired content data such as songs only during the contract period by paying a predetermined contract fee.
- This subscription service is, for example, a download method that copies content data to the user's content playback device, or a streaming method in which no content data remains in the user's content playback device.
- users can view a lot of content with a low contract fee.
- Patent Document 1 Japanese Unexamined Patent Publication No. 2005-346731
- the license for the content data expires, the content data cannot be used immediately.
- the license in the case of a contract form where the license is updated via the network, the license cannot be updated in an environment where the network cannot be used, and the content data cannot be used as an example. It is done.
- the content playback device cannot be connected to the network and cannot update the license.
- the content playback device is a mobile terminal (such as a mobile phone device or a navigation device) and the network is not available, the license cannot be updated.
- the content distribution device distributes content data that can be reproduced within a predetermined effective period to the information processing device.
- Payment of consideration from the user of the information processing device for distribution of the content data ! payment for acquiring information on the situation, information acquisition means, and payment of the consideration by the payment information acquisition means
- provisional authentication information sending means for sending provisional authentication information for provisionally extending the validity period to the user without using a communication line, and the payment ⁇ information acquisition If the information indicating that the payment has been made is obtained by means, the authentication information that extends the validity period non-provisionally is transmitted using the communication line.
- the content playback apparatus is a content playback apparatus that plays back content data that can be played back within a predetermined valid period, and the authentication information that extends the valid period is received as the content information.
- a content distribution apparatus that distributes data, the authentication information acquisition unit that acquires the data using the communication line, an input unit that receives an input of the content data reproduction instruction, and an input unit that receives the reproduction instruction.
- Determination means for determining whether or not the date and time of registration is within the validity period based on the authentication information acquired by the authentication information acquisition means, and the validity based on the authentication information by the determination means.
- the validating unit based on the authentication information is reproduced by a reproducing unit that reproduces the content data, and the determining unit.
- the content distribution method according to the invention of claim 4 is a content distribution method for distributing content data that can be reproduced within a predetermined effective period to an information processing device, wherein the information regarding the distribution of the content data Payment of compensation from users of processing equipment! , Payment to acquire information on the situation, information acquisition process, and payment !, when the information that the payment of the consideration was made in the information acquisition process is acquired, provisional extension to tentatively extend the validity period Payment of the consideration in the temporary authentication information sending step for sending the authentication information to the user without using a communication line and the payment!
- the content playback method according to the invention of claim 5 is a content playback method for playing back content data that can be played back within a predetermined valid period, wherein the authentication information for extending the valid period is used as the content information.
- the authentication information acquisition step acquired using the communication line, the input step for receiving the input of the content data reproduction instruction, and the date and time when the input of the reproduction instruction is received in the input step are the authentication information acquisition step.
- Tentative authentication information for temporarily extending the valid period when it is determined that the valid period based on the main authentication information is not determined in the first reproduction step and the first determination step of reproducing the content data The provisional authentication information acquisition process acquired without using a communication line and the date and time when the input of the reproduction instruction is accepted in the input process are based on the provisional authentication information acquired in the provisional authentication information acquisition process.
- a regeneration step for determining whether or not the validity period is based on the acquired authentication information, and a case in which it is determined that the validity period is based on the authentication information in the first determination step
- a content distribution program according to claim 6 causes a computer to execute the content distribution method according to claim 4.
- a content reproduction program according to the invention of claim 7 causes a computer to execute the content reproduction method according to claim 5.
- the recording medium according to the invention of claim 8 records that the content distribution program according to claim 6 or the content playback program according to claim 7 is recorded in a computer-readable state.
- FIG. 1 is a block diagram showing a functional configuration of a content distribution system.
- FIG. 2 is a flowchart showing a procedure of content distribution processing by the content distribution apparatus.
- FIG. 3 is a flowchart showing a procedure of content reproduction processing by the content reproduction apparatus.
- FIG. 4 is an explanatory diagram showing an outline of a music distribution system.
- FIG. 5 is an explanatory diagram for explaining an example of a music distribution form by the music distribution system.
- FIG. 6 is a block diagram showing an example of a hardware configuration of a subscription service server.
- FIG. 7 is a block diagram illustrating an example of a hardware configuration of the navigation device.
- FIG. 8 is a flowchart showing a procedure of a validity period update process by the subscription service server.
- FIG. 9 is a flowchart showing a procedure of content reproduction processing by the content reproduction apparatus.
- FIG. 1 is a block diagram showing a functional configuration of the content distribution system.
- a content distribution system 100 includes a content distribution device 110 and a content reproduction device 120.
- “user (user)” refers to the user of content reproduction device 120.
- the content distribution device 110 includes a payment information acquisition unit 111, a provisional authentication information sending unit 112, and a main authentication information sending unit 113, and allows the information processing device (for example, the content reproduction device 120) to have a predetermined validity period.
- the content distribution apparatus 110 is, for example, a server group managed by a content distribution provider that provides a subscription service.
- the subscription service is, for example, that the user 140 pays a predetermined contract fee, and only during the contract period, the content playback device 120 owned by the user 140 etc. downloads content data of a predetermined content group, It is a service that can play back downloaded content data.
- the subscription service there is also a service that provides a content by streaming playback.
- the user 140 pays a predetermined contract fee, and the predetermined period during the contract period.
- This section describes the mechanism for realizing a service that allows playback of content data downloaded or downloaded from the content group.
- the content data distributed by the content distribution device 110 is various data such as video data, music data, image data, and application data.
- the distribution of content data may be performed using the communication line 130, or may be performed, for example, by mailing a recording medium on which content data is recorded.
- the content data distributed by the content distribution device 110 can be reproduced only within a predetermined effective period.
- the validity period of the content data is set according to the payment status of the price for distribution of the content data. For example, when a predetermined amount of payment is paid from the user 140 of the content reproduction device 120, a valid period corresponding to the amount is set.
- the payment information acquisition unit 111 is a content reproduction device 1 for distribution of content data. Get information on payment status of consideration from 20 users 140.
- the payment information acquisition unit 111 for example, is based on information such as monthly and annual fees for subscription services, contract period information with the user 140, and information on payments to bank accounts of content distributors. Thus, information on whether or not the user 140 has been paid for the subscription service usage fee is acquired.
- the provisional authentication information sending unit 112 receives provisional authentication information that provisionally extends the validity period when information indicating that payment has been paid by the information acquisition unit 111 is acquired. Send to user 140 without using a communication line.
- the provisional authentication information sent to the user 140 is acquired by the content reproduction apparatus 120 by a provisional authentication information acquisition unit 125 described later.
- the provisional authentication information sending unit 112 is, for example, a device used when the user 140 pays a price (a cash dispenser for bank transfer, a POS terminal for payment at a convenience store, a mobile phone terminal for mobile banking, etc.) ) Is displayed on the display.
- the user 140 causes the content reproduction device 120 to acquire the provisional authentication information by inputting the temporary authentication information displayed on the display unit to the content reproduction device 120.
- the provisional authentication information sending unit 112 receives a receipt issued when the user 140 pays the payment or an IC card for transfer used when paying the payment (bank card or credit card). Etc.), provisional authentication information may be output.
- the user 140 causes the content reproduction apparatus 120 to acquire the provisional authentication information by inputting the provisional authentication information output on the receipt or the like to the content reproduction apparatus 120.
- the temporary authentication information sending unit 112 may send a recording medium on which the temporary authentication information is recorded to the user 140.
- the user 140 causes the content playback device 120 to acquire the provisional authentication information by causing the content playback device 120 to read the provisional authentication information recorded on the recording medium.
- the provisional authentication information includes, for example, permission information for permitting reproduction of content data only for a predetermined period, a program capable of executing reproduction of content data only for a predetermined period, and the like.
- the provisional authentication information is, for example, the content reproduction device 120 or the user 140. Even when the content distribution device 110 and the content reproduction device 120 cannot communicate via the communication line 130, such as identification information for identifying the content, it is generated based on commonly known information.
- the provisional authentication information is generated by a generation method (logic) that only the content distribution device 110 and the content reproduction device 120 know and the user 140 cannot know. Specifically, for example, there is a method in which a provisional authentication information is obtained by arranging a character string according to a predetermined logic.
- the content distribution device 110 and the content reproduction device 120 share the information that is the basis of the provisional authentication information and the generation method thereof. For this reason, the content reproduction device 120 can generate the same information as the provisional authentication information sent by the content distribution device 110, and whether the provisional authentication information acquired by the content reproduction device 120 is properly issued. Can be confirmed.
- This authentication information sending unit 113 communicates this authentication information that extends the validity period in a non-provisional manner when information indicating that payment has been made by the payment and information acquisition unit 111 has been acquired. It is sent to the content playback device 120 using the line 130.
- the validity period of the content data is extended by sending the authentication information to the content reproduction apparatus 120 via the communication line 130 by the authentication information sending unit 113. For example, if the content playback device 120 cannot use the communication line 130, the validity period cannot be extended even though payment is made! /, And the content data cannot be extended. May not be able to be played back.
- the content distribution device 110 provisionally extends the validity period of the content data when payment from the user 140 of the content reproduction device 120 is confirmed! Provisional authentication information is sent to the user 140. Even if the content playback device 120 cannot use the communication line 130 and the user 140 cannot formally extend the valid period, the user 140 temporarily extends the valid period using the temporary authentication information, and the content data Can be played.
- the live device 120 includes the authentication information acquisition unit 121, the input unit 122, the determination unit 123, the playback unit 124, the temporary authentication information acquisition unit 125, and the authentication unit 126, and is distributed by the content distribution device 110.
- the content data that can be reproduced within the valid period is reproduced.
- the authentication information acquisition unit 121 acquires the authentication information that extends the validity period from the content distribution device 110 that distributes the content data using the communication line 130.
- the authentication information acquisition unit 121 acquires the authentication information sent by the authentication information sending unit 113 of the content distribution device 110, for example.
- Input unit 122 accepts an input of content data playback instructions.
- the input unit 122 receives an input of a playback instruction made by the user 140.
- the input unit 122 is, for example, a playback instruction button provided on the content playback device 120 or a playback instruction icon displayed on the display unit of the content playback device 120 by the content playback program.
- the determination unit 123 determines whether or not the date / time power received by the input unit 122 is a reproduction instruction within the effective period based on the main authentication information acquired by the main authentication information acquisition unit 121. If the authentication information acquisition unit 121 has not acquired the authentication information, the determination unit 123 is a valid period that is set when the content data from the content distribution device 110 is distributed. You can decide whether or not you are ⁇ .
- the reproduction unit 124 reproduces the content data when the determination unit 123 determines that it is within the valid period based on the authentication information.
- the provisional authentication information acquisition unit 125 does not use the communication line 130 to provide provisional authentication information for provisionally extending the validity period. get.
- the temporary authentication information acquisition unit 125 acquires the temporary authentication information when the temporary authentication information is input from the user 140, for example.
- the temporary authentication information acquisition unit 125 acquires the temporary authentication information by reading the recording medium on which the temporary authentication information is recorded.
- the authentication unit 126 authenticates whether the temporary authentication information acquired by the temporary authentication information acquisition unit 125 is sent by the content distribution apparatus 110.
- the content distribution device 110 and the content reproduction device 120 are sources of provisional authentication information. Information and how to generate it. For this reason, the authentication unit 126 can generate the same information as the provisional authentication information sent by the content distribution device 110, and the provisional authentication information acquired by the provisional authentication information acquisition unit 125 is legitimately received from the content distribution device 110. It can be authenticated whether it has been issued (sent).
- the determination unit 123 determines that the date and time when the input unit 122 has received the input of the reproduction instruction is provisional. Judgment is made as to whether or not the validity period is valid based on the provisional authentication information acquired by the authentication information acquisition unit 125. If the determination unit 123 determines that the valid period is based on the provisional authentication information, the reproduction unit 124 reproduces the content data.
- FIG. 2 is a flowchart showing a procedure of content distribution processing by the content distribution apparatus.
- the content distribution apparatus 110 first acquires information on the payment status of the consideration from the user 140 for the distribution of the content data by the payment information acquisition unit 111 (step S201). Then, based on the information on the payment status, it is determined whether or not the compensation for distribution of the content data is paid (step S 202).
- step S202: Yes When the price for the distribution of the content data is paid! / Returned (step S202: Yes), the content distribution apparatus 110 uses the communication line 130 to the user 140 by the provisional authentication information sending unit 112. Temporary authentication information is sent (step S203). On the other hand, if the price has not been paid (step S202: No), the process returns to step S201 and the subsequent processing is repeated.
- the content distribution apparatus 110 determines whether or not the communication line 130 can be used (step S204). If the communication line 130 can be used (step S204: Yes), the authentication information sending unit 113 Thus, the authentication information is sent to the content playback apparatus 120 using the communication line 130 (step S205), and the processing according to the flowchart is terminated. On the other hand, if the communication line 130 cannot be used, the communication line 130 can be used. Wait (Step 204: No loop).
- FIG. 3 is a flowchart showing a procedure of content reproduction processing by the content reproduction apparatus.
- the content reproduction device 120 first waits until an instruction for reproducing content data is input to the input unit 122 (step S301: No loop).
- step S301 When the content data playback instruction is input (step S301: Yes), the date / time power at which the instruction input is performed in step S301 by the determination unit 123, and the authentication information acquired by the authentication information acquisition unit 121 It is determined whether or not it is within the valid period based on (step S302). If the authentication information acquisition unit 121 has not yet acquired the authentication information, the determination unit 123 determines whether or not the content distribution device 110 is within the validity period set when the content data is distributed. It may be determined.
- step S302 If the date and time when the instruction is input is within the valid period based on the authentication information (step S302: Yes), the process proceeds to step S306. On the other hand, if the date on which the instruction is input is not within the valid period based on this authentication information (step S302: No), the content playback device 120 does not use the communication line 130 by the provisional authentication information acquisition unit 125. Provisional authentication information is acquired in (Step S303).
- the content reproduction apparatus 120 determines whether or not the provisional authentication information acquired in step S303 is the one sent by the content distribution apparatus 110 by the authentication unit 126 (step S304).
- the determination unit 123 determines that the date and time when the instruction is input in step S301 is within the validity period based on the provisional authentication information. It is determined whether or not (step S305).
- step S305 If it is within the validity period based on the provisional authentication information (step S305: Yes), or if it is within the validity period based on this authentication information at step S302 (step S302: Yes), playback The content data instructed to be reproduced is reproduced by unit 124 (step S306), and the processing according to this flowchart is terminated.
- step S304 determines whether the provisional authentication information is not sent by the content distribution device 110 (step S304: No). If it is determined in step S304 that the provisional authentication information is not sent by the content distribution device 110 (step S304: No), the content data is not reproduced and the processing according to this flowchart is performed. Exit.
- provisional authentication information that provisionally extends the validity period of the distributed content data is sent to the user 140. Even if the content playback device 120 cannot connect to the communication line 130 and the authentication information cannot be acquired! /, The user 140 makes provisional authentication by causing the content playback device 120 to acquire temporary authentication information. Thus, the effective period can be extended and the content data can be reproduced. Thus, it is possible to improve the convenience of the content distribution system 100 by preventing the content data from being reproduced even though the user 140 is paid for the distribution of the content data.
- the content reproduction device 120 determines whether or not the acquired provisional authentication information is normally issued from the content distribution device 110. As a result, the content distribution system 100 can prevent unauthorized forgery of provisional authentication information by the user 140 and the like, and can reliably obtain a price for the distribution of content data.
- the content distribution device of the present invention is implemented by a subscription service server that provides a subscription service, and a navigation device, a PC (personal computer), a content player, etc. mounted on a vehicle.
- a subscription service server that provides a subscription service
- a navigation device e.g., a GPS navigation device
- a PC personal computer
- FIG. Fig. 4 is an explanatory diagram showing the outline of the music distribution system.
- the music distribution system 400 is composed of a subscription service Sano 01, a content playback device 410, specifically, for example, a navigation device 410a, a PC 410b, and a player 410c. .
- the subscription service server 401 and each content reproduction device 410 are respectively Are connected via a network 420.
- the music data distributed to the other content playback devices 410 may be copied to the content playback device 410 via a wired or wireless connection.
- the subscription service server 401 distributes music data to the content playback device 410 owned by the user 450 based on a contract (subscription service contract) related to music data distribution with the user 450.
- a contract subscription service contract
- each content playback device 410 has the same power as that owned by the same user 450.
- Each owner may be different.
- the subscription service Sano 01 is, for example, a content server that stores and manages music data, an authentication server that performs setting management processing such as the terminal authentication processing of the user 450 and the validity period of the music data, and the user 450.
- Powerful server group such as a billing server that manages contract information and billing information between them.
- the server group is not limited to three, but includes a server having at least one of a content server, an authentication server, and a billing server as long as it has a configuration capable of realizing all the functions. .
- the navigation device 410a which is an example of the content playback device 410, is mounted on a moving body such as a vehicle, and in addition to guiding the route of the vehicle, the content recorded on the recording medium is controlled by a communication function. Play the acquired content. Specifically, for example, music data distributed by subscription service Sano 01 can be played.
- the PC 410b has various functions such as document creation and image processing in addition to reproduction of content data such as music data.
- the PC 410b may be installed at the home or workplace of the user 450, or may be portable like a notebook.
- the player 410c is a terminal device that reproduces content data such as music data distributed mainly by the subscription service server 401.
- the player 410c may be a device dedicated to playing back content data such as music data, or may be a device having other functions such as a mobile phone terminal device. Good.
- the player 410c receives music data directly from the subscription service server 401, and may also play music data copied from the PC 410b or the navigation device 410a.
- the content playback device 410 such as the navigation device 410a, the PC 410b, the player 410c, or the like has a function of referring to list information of music data that can be used by a display unit, an audio output unit, or the like (not shown). Then, the selection of music data to be listened to from the user 450 can be received from an operation unit (not shown) and the music data can be reproduced.
- the music played back by the content playback apparatus 410 may be a music that has not been downloaded from the subscription service server 01. Specifically, for example, a music piece that is also stored and managed by the subscription service server 401 may be selected and then played back with the end of the download after waiting for the download to end.
- FIG. 5 is an explanatory diagram for explaining an example of a music distribution form by the music distribution system.
- Figure 5 explains the payment method using a monthly fee that charges one month of payment every month.
- the monthly payment method is, for example, payment for the subscription service contract for the next month with a payment deadline set during the month (for example, 23:59:59 on the last day of the current month) By doing this, the subscription service contract for the next month is automatically continued.
- FIG. 5 for example, a description will be given for a subscription service in which a contract period of two months (August and September) is determined in advance.
- the contract period must be determined at the first payment.
- the contract may be started when payment is made, and the contract may be terminated when the monthly fee is not paid.
- the user 450 makes a subscription to the subscription service with the subscription service Sano 01.
- user 450 has a two-month contract between August and September.
- Subscription Service Sano 01 is accepting a sub-stabilization service with a contract period of 2 months. Then, when the user 450 pays the monthly fee for August / 31 when payment is due (payment a), the contractor information and billing information are created and the subscription service is started. Subscription Service ibis Sano 01 authorizes the download of the target content by user 450 by the end of August according to the created billing information.
- the user 450 who has made a payment a can download as many pieces of music data as he wants during the period from the music data group prepared by the subscription service server 401 to 8Z31.
- a user 450 downloads music data A and music data B.
- the subscription service server 401 receives the download request of the music data A or the music data B from the user 450, and distributes the target music data A or the music data B to the content playback device 410 possessed by the user 450.
- the subscription service Sano 01 sets a valid period for the music data based on the billing information when distributing the music data.
- the valid period is a period during which the reproduction of the music data is permitted in the content reproduction apparatus 410 possessed by the user 450.
- the valid period is set, for example, by writing valid period information at a predetermined position in the music data. In the example shown in Fig. 5, only payment a for August is charged, so the valid period set for song data A and song data B is August 31 when the download of content data is authorized by payment a. Until the day (more details, August 31 ⁇ 23:59:59).
- content reproduction device 410 When there is an instruction to reproduce content data, content reproduction device 410 refers to the validity period information of the content data and determines whether or not the current time is within the validity period. The Content playback device 410 is capable of playing content data if it is within the valid period of the content data. If the valid period of content data has passed, it will not play the content data! /.
- the user 450 makes a payment for September!
- the subscription service server 401 updates the billing information when the payment b is confirmed, and authorizes the download of the content to be distributed by the user 450 until the end of September with the new billing information.
- Subscription Service Sano 01 also sets the validity period of the music data to be distributed according to the new billing information. Specifically, for example, the validity period of music data C downloaded after payment b is set to September 30.
- the subscription service server 401 sets the validity period by, for example, writing validity period information to the music data.
- the subscription service Sano 01 updates the valid period set for the music already downloaded. Specifically, for example
- the validity period of music data A and music data B downloaded before payment b is confirmed is changed to September 30.
- the subscription service Sano 01 transmits update authentication information in which the updated validity period is described to the content reproduction device 410 via the network 420. If the content playback device 410 has a communication function, update authentication information is acquired via another terminal device having the communication function. Receiving the transmission of the update authentication information, the content reproduction device 410 rewrites the valid period information written in the music data with the updated valid period described in the update authentication information. As a result, the music data can be played until the validity period after the update.
- the update authentication information is transmitted to the content reproduction device 410 via the network 420. For this reason, when the content reproduction apparatus 410 cannot use the network 420, the update authentication information cannot be received. For example, when traveling outside the home or abroad on a trip or business trip, the user 450 may not be able to connect to the network 420 to which the user 450 is authorized for a long period of time. In addition, when the content playback device 410 is the navigation device 410a, it may not be possible to connect to the network 420 when in a mountainous area or the like. In such a case, the content playback device 410 pays the price. In spite of this, the valid period may not be extended, and content data may not be played back.
- Subscriptionsano 01 provisionally extends the validity period of the content data when payment from the user 450 of the content playback device 410 is confirmed!
- the temporary authentication information is sent to the user 450 without going through the network 420.
- the provisional authentication information includes, for example, permission information that permits reproduction of content data only for a predetermined period and a program that can execute reproduction of content data only for a predetermined period.
- the provisional authentication information includes, for example, identification information for identifying the content playback device 410 and the user 450, even when the subscription Sano 01 and the content playback device 410 cannot communicate via the network 420. It is generated based on commonly known information.
- the provisional authentication information is generated by a generation method (logic) that only the subscription sano 01 and the content playback device 410 know and the user 450 cannot know. Specifically, for example, there is a method in which a character string arranged in a predetermined logic is used as temporary authentication information.
- Subscriptionsano 01 and content playback apparatus 410 share information that is the basis of provisional authentication information and a method for generating the information. For this reason, the content reproduction device 410 can generate the same information as the provisional authentication information sent from the subscription server 401, and the provisional authentication information acquired by the content reproduction device 410 is properly issued. (Whether it was fraudulently forged by the user 450).
- Provisional authentication information is sent, for example, to the equipment used when the user 450 pays a monthly fee (a cash dispenser for bank transfer, a POS terminal for payment at a convenience store, a mobile phone terminal for mobile banking, etc.) ) Is displayed by displaying the temporary authentication information on the display part.
- the user 450 reads the provisional authentication information displayed on the display unit and inputs it to the content playback device 410.
- the provisional authentication information is sent by, for example, the user 450 paying a monthly fee! This may be done by outputting provisional authentication information on a receipt issued at the time of registration. In this case, the user 450 reads the provisional authentication information output on the receipt and inputs it to the content playback device 410. Further, the provisional authentication information may be sent, for example, by sending a recording medium on which the provisional authentication information is recorded to the user 450. In this case, the user 450 causes the content reproduction device 410 to read the provisional authentication information recorded on the recording medium.
- the provisional authentication information may be sent, for example, by paying a monthly fee! /, And after that, the user 450 may inquire by e-mail or telephone to the operator operating the subscription service. Further, for example, if the temporary authentication information has a smaller capacity than the update authentication information and can be transmitted via the network 420, the temporary authentication information may be transmitted to the content playback device 410 via the network 420. ! /
- the validity period extended by the provisional authentication information may be fixed or may be determined according to the amount of the fee transferred from the user 450.
- the provisional authentication information may be information for rewriting the validity period information of each content data, and the content data can be reproduced only for an extended period without rewriting the validity period information of each content data. It may be information for controlling the playback function.
- the user 450 can add additional provisional information by telephone mail or the like. It may be possible to request sending of authentication information.
- the subscription sano 01 authenticates the user 450 who requested the provisional authentication information follow-up, confirms the billing information, and does not exceed the period corresponding to the paid monthly fee. Send additional provisional authentication information to user 450.
- the content reproduction device 410 updates the valid period information of the content data and based on the updated valid period information. Play content data.
- Subscriptionsano 01 issues provisional authentication information when paying the monthly fee.
- the user 450 can connect the content playback device 410 to the network. Even if it is not possible to connect to 420 and formally extend the validity period, it is possible to temporarily extend the validity period using the provisional authentication information and reproduce the content data.
- the user 450 makes a payment c for October at the end of September.
- Subscription Service Sano 01 updates the billing information when payment! /, C is confirmed, and authorizes the user 450 to download the target content until the end of October with the new billing information.
- Subscription Service Sano 01 also updates the validity period set for the downloaded music when the billing information is updated. Specifically, for example, it sends renewal authentication information in which the validity period of music data A, music data B, and music data C downloaded before confirmation of payment c is October 31, and the validity period Send provisional certification information that temporarily extends.
- the power described for the payment method by the monthly fee is not limited to this. Specifically, for example, it may be possible to set by a provider providing a subscription service, such as payment by an annual fee for charging one year of payment every year.
- the subscription authentication server 401 when extending the valid period of the content data, sends update authentication information to the content playback device 410, and the content playback device 410 sends the valid period of the music data.
- the subscription service server 401 may directly rewrite the validity period information of the music data.
- FIG. 6 is a block diagram showing an example of the hardware configuration of the subscription service server.
- the subscription service server 401 includes a CPU 601, ROM 602, RAM 603, magnetic disk drive 604, magnetic disk 605, optical disk drive 606, optical disk 607, and audio IZF (interface) 608.
- Each component 601 to 614 is connected by a bus 620.
- the CPU 601 governs overall control of the subscription service server 401.
- the ROM 602 records various programs such as a boot program, a communication program, a data management program, and an effective period setting program.
- the RAM 603 is used as a work area for the CPU 601.
- the magnetic disk drive 604 controls reading and writing of data with respect to the magnetic disk 605 according to the control of the CPU 601.
- the magnetic disk 605 records data written under the control of the magnetic disk drive 604.
- the magnetic disk 605 for example, HD (node disk) or FD (flexible disk) can be used.
- the optical disk drive 606 controls reading and writing of data to the optical disk 607 according to the control of the CPU 601.
- the optical disk 607 is a detachable recording medium from which data is read according to the control of the optical disk drive 606.
- a writable recording medium can be used as the optical disc 607.
- the removable recording medium may be a power MO of the optical disk 607, a memory card, or the like.
- the audio IZF 608 is connected to a microphone 609 for audio input and a speaker 610 for audio output.
- the sound received by the microphone 609 is AZD converted in the sound IZF608. Sound is output from the speaker 610.
- Examples of the input device 611 include a remote controller, a keyboard, a mouse, and a touch panel that are provided with a plurality of keys for inputting characters, numerical values, various instructions, and the like.
- the video IZF612 is connected to the display 613. Specifically, the video IZF612 is output from, for example, a graphic controller that controls the entire display 613, a buffer memory such as VRAM (Video RAM) that temporarily records image information that can be displayed immediately, and a graphic controller. This is composed of a control IC that controls the display of the display 613 based on image data.
- a graphic controller that controls the entire display 613
- a buffer memory such as VRAM (Video RAM) that temporarily records image information that can be displayed immediately
- VRAM Video RAM
- Display 613 displays icons, cursors, menus, windows, or various data such as characters and images.
- this display 613 for example, a CRT, a TFT liquid crystal display, a plasma display, or the like can be adopted.
- Communication IZF 614 is connected to network 420 (see FIG. 4), and functions as an interface between network 420 and CPU 601.
- the payment information acquisition unit 111, the provisional authentication information sending unit 112, and the authentication information sending unit 113 included in the content distribution apparatus 110 shown in FIG. 1 are the ROM 602 in the subscription service service 401 shown in FIG.
- the CPU 601 executes a predetermined program using programs and data recorded on the RAM 603, magnetic disk 605, optical disk 607, etc., and realizes the function by controlling each part in the subscription service Sano 01. .
- the subscription service server 401 of the embodiment executes the content distribution program recorded in the ROM 602 as a recording medium in the subscription service server 401, thereby causing the content distribution apparatus shown in FIG.
- the functions of 110 can be executed by the content distribution processing procedure shown in FIG.
- FIG. 7 is a block diagram illustrating an example of a hardware configuration of the navigation device.
- a navigation device 410a is mounted on a moving body such as a vehicle.
- Each component 701 to 717 is connected by a bus 720.
- the CPU 701 governs overall control of the navigation device 410a.
- the ROM 702 records various programs such as a boot program, a route search program, a route guidance program, a communication program, and a content reproduction program.
- the RAM 703 is used as a work area for the CPU 701.
- the magnetic disk drive 704 controls reading and writing of data from and to the magnetic disk 705 according to the control of the CPU 701.
- Magnetic disk 705 is a magnetic disk drive. Record the data written under the control of Eve 704.
- the optical disk drive 706 controls reading and writing of data to the optical disk 707 according to the control of the CPU 701.
- the optical disk 707 is a detachable recording medium from which data is read according to the control of the optical disk drive 706.
- a writable recording medium can be used as the optical disc 707.
- the removable recording medium may be a power MO of the optical disc 707, a memory card, or the like.
- the audio IZF 708 is connected to a microphone 709 for audio input and a speaker 710 for audio output.
- the sound received by the microphone 709 is AZD converted in the sound IZF708. From the sound power 710, audio (specifically, music data reproduced by the content reproduction program) is output.
- Examples of the input device 711 include a remote controller, a keyboard, a mouse, and a touch panel, each having a plurality of keys for inputting characters, numerical values, various instructions, and the like.
- the video IZF 712 is connected to the display 713.
- the video IZF712 is output from the graphic controller, for example, a graphic controller that controls the entire display 713, a buffer memory such as VRAM (Video RAM) that temporarily records image information that can be displayed immediately, and the like. It consists of a control IC that controls the display of display 713 based on the image data.
- VRAM Video RAM
- the display 713 displays icons, cursors, menus, windows, or various data such as characters and images.
- this display 713 for example, a CRT, a TFT liquid crystal display, a plasma display, or the like can be adopted.
- the communication I / F 714 is connected to the network 420 (see Fig. 4) via a radio and functions as an interface between the network 420 and the CPU 701.
- the GPS unit 715 receives radio waves from GPS satellites and outputs information indicating the current location of the vehicle.
- the output information of the GPS unit 715 is used when the current position of the vehicle is calculated by the CPU 701 together with output values of various sensors 716 described later.
- the information indicating the current location is information that identifies one point on the map information, such as latitude'longitude and altitude.
- Various sensors 716 include a vehicle speed sensor, an acceleration sensor, an angular velocity sensor, and the like, and output information that can determine the position and behavior of the vehicle.
- the output values of the various sensors 716 are used for the calculation of the current position of the vehicle by the CPU 701 and the measurement of the change in speed and direction.
- the camera 717 captures an image inside or outside the vehicle.
- the video can be either a still image or a moving image.
- the video captured by the camera 717 is output to a recording medium such as the magnetic disk 705 and the optical disk 707 via the video IZF712.
- the CPU 701 executes a predetermined program using the programs and data recorded in the ROM 702, RAM 703, magnetic disk 705, optical disk 707, etc. in the navigation device 410a shown to control each part in the navigation device 410a. Therefore, this function is realized.
- the navigation device 410a of the embodiment executes the content playback program recorded in the ROM 702 as a recording medium in the navigation device 410a, thereby causing the content playback device 120 shown in FIG.
- the functions provided by can be executed by the content playback processing procedure shown in Fig. 3.
- the music data validity period update processing by the subscription service server 401 will be described with reference to FIG.
- the subscription service server 401 updates the validity period in accordance with the payment of the monthly fee from the user 450. Details of the processing at this time will be described below. Prior to this processing, it is assumed that the subscription service server 401 distributes music data to the content playback device 410 of the user 450 in response to a request from the user 450. Valid period information is written in the music data distributed at this time.
- FIG. 8 is a flowchart showing a procedure of a validity period update process by the subscription service server.
- the subscription service sano 401 first receives a monthly fee for the subscription service from the user 450. (Step S801: No loop). When the monthly fee is paid (step S801: Yes), the subscription server 401 updates the billing information corresponding to the user 450 (step S802).
- the subscription server 401 sends provisional authentication information for provisionally extending the valid period of the music data to the user 450 (step S803). Further, the subscription sano 401 determines whether or not the content reproduction device 410 of the user 450 can connect to the network 420 (step S804). If connection to the network 420 is possible (step S804: Yes), the subscription server 401 transmits the update authentication information to the content reproduction device 410 (step S805), and the processing according to this flowchart is terminated.
- step S805 when the update authentication information is transmitted without making the determination in step S804 (see step S805), and the content playback apparatus 410 receives the update authentication information (or is not returned as a communication error).
- the content playback device 410 can be connected to the network 420.
- step S8 04: No the subscription sano 01 determines whether or not the user 450 has received an additional request for provisional authentication information (step S8 04: No). S806). Accept additional requests! In the case of “/” (step S806: No), the process returns to step S804 and the subsequent processing is continued.
- step S806 if a follow-up request is accepted (step S806: Yes), the billing information corresponding to user 450 is referred to (step S807), and the additional request power accepted this time is paid in step S801. It is determined whether the monthly fee (payment, completed fee) is within the range (step S808). If it is within the paid fee range (step S808: Yes), additional provisional authentication information is sent to the user 450 (step S809), the process returns to step S804, and the subsequent processing is continued. On the other hand, if it is not within the range of the paid fee (step S808: No), the additional transmission of the provisional authentication information is rejected (step S810), and the processing according to this flowchart is terminated.
- FIG. 9 shows the procedure of content playback processing by the content playback device. It is a flowchart. Prior to this processing, it is assumed that the content reproduction device 410 has received music data distribution from the subscription service Sano 01. The validity period information is written in the music data distributed at this time.
- the content playback device 410 waits until a playback instruction to play music data is received from the user 450 (step S901: No loop).
- the reproduction instruction of the music data is performed, for example, when the user 450 selects desired music data via the input device 711 from the music data recorded in the content reproduction device 410.
- step S901 When there is a music data playback instruction (step S901: Yes), the content playback device 410 refers to the validity period information of the selected music data, and whether or not the current time is within the music data validity period. (Step S902: Yes). Note that, for example, when a time to start playback of music data is specified as in a playback reservation, it may be determined whether or not the time to start playback is within the valid period.
- step S902 If it is within the valid period of the music data that has been instructed to be played (step S902: Yes), the content playback device 410 proceeds to step S906. On the other hand, if it is not within the valid period of the music data (step S902: No), the content reproduction device 410 determines whether or not it is capable of acquiring provisional authentication information (step S903). Judgment as to whether or not provisional authentication information can be obtained is based on, for example, whether or not the user 450 is requested to input provisional authentication information and the user 450 receives provisional authentication information in response to the request. To do.
- the content reproduction device 410 determines whether the acquired provisional authentication information is properly issued from the subscription server 401 (step S904). ). As described above, the content reproduction device 410 and the subscription server 401 share the information that is the basis of the provisional authentication information and the generation method thereof. For this reason, the content reproduction apparatus 410 can generate the same information as the provisional authentication information sent by the subscription sano 01, and the provisional authentication information acquired by the content reproduction apparatus 41 0 is properly issued. Power (whether it was fraudulently counterfeited by the user 450 or the like).
- step S904 If the provisional authentication information is normally issued from the subscription server 401 If this is the case (step S904: Yes), the content reproduction device 410 determines whether the current time is within the valid period based on the provisional authentication information (step S905). As in step S902, when the time to start playing music data is specified, it may be determined whether or not the time to start playing is within the valid period.
- step S905 When the current time is within the validity period based on the provisional authentication information (step S905: Yes) and when the content data is within the validity period (within the validity period based on the validity period information) at step S902 ( In step S902), the content reproduction device 410 reproduces the content data (step S906), and ends the processing according to this flowchart.
- step S905 if the current time is not within the validity period based on the provisional authentication information (step S905:
- the content playback device 410 notifies the user 450 that the content data has expired (step S907), and ends the processing according to this flowchart.
- the user 450 requests the subscription sano 01 to add provisional authentication information.
- step S903 In the case where provisional authentication information cannot be obtained in step S903 (step S903: No), or in the case where provisional authentication information is not normally issued from subscription sano 01 in step S904 (step S904). : No), the content reproduction device 410 notifies the user 450 that the content data has expired (step S907), and ends the processing according to this flowchart.
- provisional authentication information for provisionally extending the validity period of the content data is sent to the user 450.
- the user 450 can temporarily enter the valid period by inputting temporary authentication information to the content playback device 410. Can be extended to play music data.
- provisional authentication information can be obtained. It is possible to confirm the power that has been properly issued (whether it has been fraudulently forged by the user 450 or the like). As a result, the music distribution system 400 can reliably obtain a price for the distribution of content data while maintaining convenience.
- the content distribution method and content reproduction method described in the present embodiment can be realized by executing a prepared program on a computer such as a personal computer or a workstation.
- This program is recorded on a computer-readable recording medium such as a hard disk, a flexible disk, a CD-ROM ⁇ MO, and a DVD, and is executed by being read by the computer.
- the program may be a transmission medium that can be distributed via a network such as the Internet.
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- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Storage Device Security (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
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Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008549119A JP5026437B2 (ja) | 2006-12-08 | 2006-12-08 | コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 |
| US12/515,838 US20100049540A1 (en) | 2006-12-08 | 2006-12-08 | Content delivery apparatus, content reproducing apparatus, content delivery method, content reproducing method, content delivery program, content reproducing program, and recording medium |
| PCT/JP2006/324544 WO2008072284A1 (ja) | 2006-12-08 | 2006-12-08 | コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/324544 WO2008072284A1 (ja) | 2006-12-08 | 2006-12-08 | コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008072284A1 true WO2008072284A1 (ja) | 2008-06-19 |
Family
ID=39511316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/324544 Ceased WO2008072284A1 (ja) | 2006-12-08 | 2006-12-08 | コンテンツ配信装置、コンテンツ再生装置、コンテンツ配信方法、コンテンツ再生方法、コンテンツ配信プログラム、コンテンツ再生プログラムおよび記録媒体 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100049540A1 (ja) |
| JP (1) | JP5026437B2 (ja) |
| WO (1) | WO2008072284A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014078270A (ja) * | 2014-01-09 | 2014-05-01 | Ricoh Co Ltd | ライセンス管理システム、ライセンス管理方法、およびプログラム |
| JP2019091014A (ja) * | 2017-11-14 | 2019-06-13 | バイドゥ オンライン ネットワーク テクノロジー (ベイジン) カンパニー リミテッド | マルチメディアを再生するための方法及び装置 |
| JP2021152865A (ja) * | 2020-03-19 | 2021-09-30 | センスネットシステム株式会社 | 情報処理方法、情報処理装置、情報処理プログラムおよび記録媒体 |
| WO2024185445A1 (ja) * | 2023-03-08 | 2024-09-12 | 株式会社デンソー | 車両用認証システム、車両用認証方法、及び車両用認証プログラム |
| WO2024185444A1 (ja) * | 2023-03-08 | 2024-09-12 | 株式会社デンソー | 車両用制御システム、車両用制御方法、及び車両用制御プログラム |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100013207A (ko) * | 2008-07-30 | 2010-02-09 | 삼성전자주식회사 | 디바이스 및 서비스 인증 방법 및 시스템 |
| JP6102587B2 (ja) * | 2013-07-10 | 2017-03-29 | 富士ゼロックス株式会社 | 情報処理装置及びプログラム |
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| CN1692323A (zh) * | 2002-12-19 | 2005-11-02 | 国际商业机器公司 | 向客户机提供内容数据的方法 |
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- 2006-12-08 US US12/515,838 patent/US20100049540A1/en not_active Abandoned
- 2006-12-08 JP JP2008549119A patent/JP5026437B2/ja not_active Expired - Fee Related
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| JP2005301295A (ja) * | 1997-05-13 | 2005-10-27 | Toshiba Corp | 記録方法及び記録装置 |
| JP2003108152A (ja) * | 2001-09-27 | 2003-04-11 | Sony Communication Network Corp | コンテンツ配信方法およびシステム |
| JP2005128810A (ja) * | 2003-10-24 | 2005-05-19 | Sourcenext Corp | コンテンツ提供システム及びコンテンツ提供方法 |
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| JP2014078270A (ja) * | 2014-01-09 | 2014-05-01 | Ricoh Co Ltd | ライセンス管理システム、ライセンス管理方法、およびプログラム |
| JP2019091014A (ja) * | 2017-11-14 | 2019-06-13 | バイドゥ オンライン ネットワーク テクノロジー (ベイジン) カンパニー リミテッド | マルチメディアを再生するための方法及び装置 |
| JP2021152865A (ja) * | 2020-03-19 | 2021-09-30 | センスネットシステム株式会社 | 情報処理方法、情報処理装置、情報処理プログラムおよび記録媒体 |
| JP7649021B2 (ja) | 2020-03-19 | 2025-03-19 | センスネットシステム株式会社 | 情報処理方法、情報処理装置、情報処理プログラムおよび記録媒体 |
| WO2024185445A1 (ja) * | 2023-03-08 | 2024-09-12 | 株式会社デンソー | 車両用認証システム、車両用認証方法、及び車両用認証プログラム |
| WO2024185444A1 (ja) * | 2023-03-08 | 2024-09-12 | 株式会社デンソー | 車両用制御システム、車両用制御方法、及び車両用制御プログラム |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5026437B2 (ja) | 2012-09-12 |
| US20100049540A1 (en) | 2010-02-25 |
| JPWO2008072284A1 (ja) | 2010-03-25 |
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