Title:
RECORDING DEVICE, REPRODUCING DEVICE, RECORDING METHOD, REPRODUCING METHOD, AND RECORDING AND REPRODUCING DEVICE
Document Type and Number:
Japanese Patent JP2006217434
Kind Code:
A
Abstract:
To provide a recording device capable of recording stream data to a recoding medium in such a state that operation restrictions set to the stream data are surely executed.
Stream data received by a stream reception part 101 is separated into a media data and attribute information by a data separation part 102. The attribute information is analyzed by a program information analysis part 103, and management data is generated by a management data generation part 104. Media data and management data are encrypted on the basis of a prescribed encryption key by a multiplexing/encrypting part 105, and encrypted multiplex data are recorded to the recording medium in a prescribed format by a data recording part 106.
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Inventors:
SHIOI MASAHIRO
ITO NORIO
ITO NORIO
Application Number:
JP2005029879A
Publication Date:
August 17, 2006
Filing Date:
February 04, 2005
Export Citation:
Assignee:
SHARP KK
International Classes:
H04N5/91; G06F21/62; G11B20/10; G11B27/00; H04L9/08; H04N21/418
Attorney, Agent or Firm:
Kenzo Hara International Patent Office