Title:
デジタルコンテンツの使用を制限する方法
Document Type and Number:
Japanese Patent JP4928677
Kind Code:
B2
Abstract:
Devices, systems and methods for restricting use of digital content are provided. Among those embodiments which may be construed as providing a method for restricting use of digital data, a preferred method includes the steps of: enabling a user to receive digital data; and preventing the user from copying the digital data to a digital data recording medium if: (a) copy information corresponding to the digital data indicates that such copying is not to be permitted; or (b) the digital data recording medium is not an authorized digital data recording medium.
Inventors:
Tim Goldstein
Application Number:
JP2001120291A
Publication Date:
May 09, 2012
Filing Date:
April 18, 2001
Export Citation:
Assignee:
HEWLETT-PACKARD COMPANY
International Classes:
G06T1/00; G11B20/10; G06Q90/00; G11B20/00; H04K1/00; H04N1/387; H04N5/91; H04N5/913; H04N7/08; H04N7/081
Domestic Patent References:
| JP200057058A | ||||
| JP11328846A | ||||
| JP9312039A | ||||
| JP11164132A | ||||
| JP200090569A | ||||
| JP7296508A |
Foreign References:
| WO1999018723A1 |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Arihara Koichi
Matsushima Tetsuo