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专利名称：System and method for distributing digital
works, apparatus and method forreproducing digital works, and computerprogram product
发明人：Masayuki Nakae申请号：US10834934申请日：20040430公开号：US07523303B2公开日：20090421
专利附图：
摘要：An editing apparatus generates a capsular work with usage conditions for each
of plural usages and usage secret information. A ticket server apparatus issues a ticketcontaining a ticket key in the case of allowing a user to practice the usage requested bythe user. A distribution center apparatus distributes the capsular work in accordance withthe user's request. An audiovisual apparatus acquires the capsular work from thedistribution center apparatus and requests the ticket necessary to make use of thecapsular work from the ticket server apparatus, and then decrypts the encrypted workdata contained in the capsular work and reproduces the work data only in the case wherethe audiovisual apparatus has acquired the ticket.
申请人：Masayuki Nakae
地址：Tokyo JP
国籍：JP
代理机构：Young & Thompson
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