Title:
APPROVAL METHOD AND INFORMATION RECORDING MEDIUM USING THE USE APPROVAL METHOD, AND INFORMATION TRANSMISSION AND/OR RECEPTION METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP2000155734
Kind Code:
A
Abstract:
To efficiently and speedily reuse information which was used before.
This approval method for using information 17 having use conditions set optionally when content information 23 is used and approval information 21 regarding charging based upon the use conditions updates only the use conditions 27 and/or approval information 21 when the use of the content information 23 is approved and the use conditions expire or the content information 23 is reused under different use conditions.
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Inventors:
SAKO YOICHIRO
INOGUCHI TATSUYA
OBATA MASAYUKI
ITO SHUICHI
SAKURAI KAZUKO
INOGUCHI TATSUYA
OBATA MASAYUKI
ITO SHUICHI
SAKURAI KAZUKO
Application Number:
JP33004798A
Publication Date:
June 06, 2000
Filing Date:
November 19, 1998
Export Citation:
Assignee:
SONY CORP
International Classes:
G06F13/00; G06F12/14; G06F21/10; G06F21/60; G06F21/62; G10K15/02; (IPC1-7): G06F13/00
Attorney, Agent or Firm:
Oka-saki-Shintaro (1 person outside)
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