CONTENT PROVIDING SYSTEM AND CONTROL METHOD THEREFOR
First Claim
1. A method of controlling a content-providing system that includes:
- a first acquisition unit;
a second acquisition unit;
a judgment unit;
an encryption unit; and
a transmission unit, and that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the method comprising;
a first acquisition step of the first acquisition unit acquiring a request for purchasing the content from a user;
a second acquisition step of the second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information;
a judgment step of the judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service;
an encryption step of the encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and
a transmission step of the transmission unit transmitting the encrypted content to the terminal device before the period.
4 Assignments
0 Petitions
Accused Products
Abstract
A sales device 100a includes: a first acquisition unit 108a acquiring a request for purchasing content from a user; a second acquisition unit 109a acquiring first identification information for a service, from a medium carrying the first identification information; a judgment unit 112a judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and judging, by using the first identification information, whether or not the user is entitled to the service; an encryption unit 105a, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit 103a transmitting the encrypted content to the terminal device before the period.
22 Citations
20 Claims
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1. A method of controlling a content-providing system that includes:
- a first acquisition unit;
a second acquisition unit;
a judgment unit;
an encryption unit; and
a transmission unit, and that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the method comprising;a first acquisition step of the first acquisition unit acquiring a request for purchasing the content from a user; a second acquisition step of the second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; a judgment step of the judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption step of the encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission step of the transmission unit transmitting the encrypted content to the terminal device before the period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- a first acquisition unit;
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15. A sales device that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the sales device comprising:
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a first acquisition unit acquiring a request for purchasing the content from a user; a second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; a judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit transmitting the encrypted content to the terminal device before the period.
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16. A computer-readable recording medium having recorded thereon a program for controlling a sales device that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the program causing the sales device, which is a computer, to execute:
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a first acquisition step of a first acquisition unit of the sales device acquiring a request for purchasing the content from a user; a second acquisition step of a second acquisition unit of the sales device acquiring first identification information for the service, from a medium carrying the first identification information; a judgment step of a judgment unit of the sales device (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption step of an encryption unit of the sales device, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission step of a transmission unit of the sales device transmitting the encrypted content to the terminal device before the period.
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17. An integrated circuit constituting a sales device that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the integrated circuit comprising:
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a first acquisition unit acquiring a request for purchasing the content from a user; a second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; a judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit transmitting the encrypted content to the terminal device before the period.
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18. A content-providing system that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the content-providing system comprising:
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a sales device selling the content; and a management device providing the content to users, wherein the sales device includes; a first acquisition unit acquiring a request for purchasing the content from a user; a second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; and a judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; and the management device includes; an encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit transmitting the encrypted content to the terminal device before the period.
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19. A content-providing system that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the content-providing system comprising:
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a sales device selling the content; a management device providing the content to users; and a playback device that a user has, wherein the sales device includes; a first acquisition unit acquiring a request for purchasing the content from the user; a second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; and a judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit transmitting the encrypted content to the terminal device before the period, and the management device includes; a first reception unit receiving, from the sales device, sales information indicating that the content has been sold to the user, and storing the sales information in the management device; a second reception unit receiving a transmission request from the playback device, the transmission request being a request for transmission of the content; a management device judgment unit judging whether or not the transmission request is received before the period, and judging, by using the sales information stored in the management device, whether or not the user, who uses the playback device, is entitled to use the content, which pertains to the transmission request; a management device encryption unit, when the transmission request is received during the period and the user is entitled to use the content, encrypting the content in accordance with a recording medium that is mounted to the playback device to generate encrypted content; and a management device transmission unit transmitting the encrypted content to the playback device during the period.
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20. A content-providing system that provides, to users who receive a service, content corresponding to a movie shown at a site where the service is provided when the users make a payment for the content, the content-providing system comprising:
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a sales device selling the content; a management device providing the content to users; a medium manufacturing device writing the content to a recording medium; and a playback device that a user has, wherein the sales device includes; a first acquisition unit acquiring a request for purchasing the content from the user; a second acquisition unit acquiring first identification information for the service, from a medium carrying the first identification information; and a judgment unit (i) judging whether or not the request is received before a period during which the content is purchasable in a form of a packaged medium, and (ii) judging, by using the first identification information, whether or not the user is entitled to the service; an encryption unit, when the request is received before the period and the user is entitled to the service, encrypting the content to generate encrypted content usable only on a terminal device that the user has; and a transmission unit transmitting the encrypted content to the terminal device before the period, the management device includes; a first reception unit receiving, from the sales device, sales information indicating that the content has been sold to the user, and storing the sales information in the management device; a management device judgment unit judging whether or not a present point in time is before the period, and judging, by using the sales information stored in the management device, whether or not the user is entitled to use the content, the medium manufacturing device includes; a medium manufacturing device encryption unit, when the present point in time is during the period and the user is entitled to use the content, encrypting the content in accordance with the recording medium to generate encrypted content; and a medium manufacturing unit writing the encrypted content to the recording medium; and the playback device includes; a decryption unit decrypting the encrypted content, which is recorded on the recording medium, to generate decrypted content; and a playback unit playing back the decrypted content.
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Specification