Invention Grant
US07769053B2 Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
有权
数据复用装置，节目分配系统，节目传输系统，付费广播系统，节目传输方式，条件接收系统和数据接收装置
- Patent Title: Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device
- Patent Title (中): 数据复用装置，节目分配系统，节目传输系统，付费广播系统，节目传输方式，条件接收系统和数据接收装置
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Application No.: US11522673Application Date: 2006-09-15
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Publication No.: US07769053B2Publication Date: 2010-08-03
- Inventor: Tatsuya Kubota , Norio Wakatsuki
- Applicant: Tatsuya Kubota , Norio Wakatsuki
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Frommer Lawrence & Haug LLP
- Agent William S. Frommer
- Main IPC: H04J1/00
- IPC: H04J1/00 ; H04J3/04 ; H04N7/167
Abstract:
In a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packets, a program distribution system, a program transmission system, a pay broadcast system, a program transmission method, a conditional access system, and a data reception device according to the present invention, by generating a scramble key Ks corresponding to one or more data elements among the plurality of data elements constituting a program and by scrambling each data element, an audience can subscribe for each data element.
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