CONTENTS SERVICE APPARATUS AND METHOD
First Claim
1. A method of intermediating a contents service, the method comprising:
- changing at least part of contents to produce a plurality of pieces of changed key data which are different from each other; and
managing trading of the contents between a first device and a second device using the produced plurality of pieces of changed key data.
1 Assignment
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Accused Products
Abstract
A method, apparatus, and system for intermediating contents service. The method includes changing at least part of contents to produce a plurality of pieces of changed key data which are different from each other; and managing trading of the contents between a first and a second device using the produced plurality of pieces of changed key data. The apparatus includes a contents publishing unit which changes at least part of contents, produces a plurality of pieces of changed key data which are different from each other, and stores information on the plurality of pieces of changed key data in a storage unit; and a trade managing unit which manages trading of the contents between a first device and a second device using the stored information on the plurality of pieces of changed key data. The system includes a contents service intermediating server, and first and second devices for trading contents.
19 Citations
48 Claims
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1. A method of intermediating a contents service, the method comprising:
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changing at least part of contents to produce a plurality of pieces of changed key data which are different from each other; and managing trading of the contents between a first device and a second device using the produced plurality of pieces of changed key data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 46)
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9. A method of providing a contents service, the method comprising:
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receiving a plurality of pieces of changed key data which are different from each other and are produced by changing at least part of contents; and trading the contents using the received plurality of pieces of changed key data. - View Dependent Claims (10, 11, 12, 13, 14, 15, 47)
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16. A method of using a contents service, the method comprising:
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transmitting a request for purchasing contents to a first device; receiving changed key data, which is produced by changing key data including at least part of the contents, from the first device; and combining the received changed key data and parts of the contents other than the key data. - View Dependent Claims (17, 18, 48)
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19. An apparatus for intermediating a contents service, the apparatus comprising:
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a contents publishing unit which changes at least part of contents, produces a plurality of pieces of changed key data which are different from each other, and stores information on the plurality of pieces of changed key data in a storage unit; and a trade managing unit which manages trading of the contents between a first device and a second device using the stored information on the plurality of pieces of changed key data. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. An apparatus for providing a contents service, the apparatus comprising:
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a contents publishing unit which receives a plurality of pieces of changed key data which are different from each other and are produced by changing at least part of contents in a storage unit; and a trading unit which trades the contents with a second device using the stored plurality of pieces of changed key data. - View Dependent Claims (28, 29, 30, 31)
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32. An apparatus for using a contents service, the apparatus comprising:
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a contents purchasing unit which transmits a request for purchasing contents to a first device, and receives changed key data from the first device which is produced by changing key data including at least part of the contents; and a contents reproducing unit which combines the received changed key data and parts of the contents other than the key data in order to reproduce the contents. - View Dependent Claims (33, 34)
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35. A contents service system including a contents service intermediating server, and first and second devices for trading contents,
wherein the contents service intermediating server changes key data of the contents to produce a plurality of pieces of changed key data which are different from each other, the first device, if the first device receives a request for purchasing the contents from the second device, transmits one of the plurality of pieces of changed key data to the second device, and the second device combines the transmitted a piece of changed key data and parts of the contents other than the key data in order to reproduce the contents.
Specification