Invention Grant
US08194519B2 Method for transmitting content with copy control information, content identification information and content status information 有权
使用复制控制信息,内容识别信息和内容状态信息发送内容的方法

  • Patent Title: Method for transmitting content with copy control information, content identification information and content status information
  • Patent Title (中): 使用复制控制信息,内容识别信息和内容状态信息发送内容的方法
  • Application No.: US10585947
    Application Date: 2005-02-28
  • Publication No.: US08194519B2
    Publication Date: 2012-06-05
  • Inventor: Naoki Ejima
  • Applicant: Naoki Ejima
  • Applicant Address: JP Osaka
  • Assignee: Panasonic Corporation
  • Current Assignee: Panasonic Corporation
  • Current Assignee Address: JP Osaka
  • Agency: McDermott Will & Emery LLP
  • Priority: JP2004-096714 20040329
  • International Application: PCT/JP2005/003818 WO 20050228
  • International Announcement: WO2005/093745 WO 20051006
  • Main IPC: G11B7/00
  • IPC: G11B7/00
Method for transmitting content with copy control information, content identification information and content status information
Abstract:
A content transmitting apparatus and the like which execute copy control of content more securely than conventional, and can count copy number correctly according to the situation, even in the case where content transfer is interrupted are provided. The content reproducing apparatus 10 for transmitting content that is digital copyrighted work including a plurality of content blocks comprises: the content reproducing unit 11 which reads out content and the like from the DVD 30; the control unit 12 which repeats, for each of the plurality of content blocks, transmitting in parallel with the content blocks, the copy control information indicating copy permission of the content, the content identification information identifying content, and the content status information indicating status of the content blocks in the overall content; the data building unit 15; the transmission unit 16; and the like.
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