Management device and duplication device
A technology for managing devices and copying devices, applied in computer security devices, copying/moving digital data, recording signal processing, etc., can solve problems such as inability to satisfy users, unapproved content export or copying of mobile terminals, etc.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Publication Date
- 2012-04-11
Smart Images
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Abstract
Description
technical field
[0001] The present invention relates to a technique for managing duplication of information from an original recording medium on which information is recorded to a duplicate recording medium. Background technique
[0002] In recent years, systems for recording and distributing digital content (hereinafter simply referred to as content) of works such as movies and music digitized on recording media have become common as recording media have increased in capacity and networks have increased in bandwidth.
[0003] In such a system, in order to protect the copyright of the content, it is necessary to perform reproduction, copying, etc. of the content only under the restriction of an agreement between the copyright owner and the user of the content.
[0004] A method using encryption technology is known as a conventional technique for protecting a copyrighted work from unauthorized copying without the permission of the copyright owner. On the other hand, due to t...
Examples
Embodiment approach 1
[0087] A copy management system 10a as one embodiment of the present invention will be described.
[0088] Copy management system 10a such as Figure 17 As shown, it is composed of a management device 105a and a replication device 104a.
[0089] The management device 105a manages the duplication of the above-mentioned information from the original recording medium 101a on which the information is recorded to the duplicate recording medium 102a. The management device 105a is composed of a transmission and reception unit 701a and a control unit 708a.
[0090] The transmitting and receiving unit 701a receives an original medium identifier for identifying the original recording medium 101a from the copying device 104a. In addition, permission information indicating permission of copying of the above-mentioned information is transmitted to the above-mentioned copying device 104a.
[0091] Based on the received original medium identifier and the registered original medium identif...
Embodiment approach 2
[0098] A content recording system 10 as another embodiment of the present invention will be described.
[0099] 2.1 Structure of content recording system 10
[0100] Content Recording System 10 such as figure 1 As shown, it is composed of a recording medium 101 (hereinafter referred to as a disk 101 ), a recording medium 102 (hereinafter referred to as a card 102 ), a disk manufacturing device 103 , a recording device 104 , a server device 105 , and a portable device 106 .
[0101] The disc 101 that has recorded the content for copying is inserted in the recording device 104, and the recording device 104 is connected to the server device 105 in order to obtain the permission of copying. After obtaining permission, the content for copying is written to the card 102, and the user sends The portable device 106 inserts the card 102 to view and listen to the content for copying.
[0102] Disc 101 AS figure 2 As shown, it consists of a copy content recording area 201 , a disc id...