Title:
APPARATUS AND METHOD FOR LICENSING DIGITAL DATA
Document Type and Number:
WIPO Patent Application WO2002003176
Kind Code:
A3
Abstract:
Apparatus and methods for licensing the use of a data element by a particular device are disclosed. An algorithm is used to generate a first license code using data particular to the data element and data particular to the device. The first license code is checked against a second license code subsequently generated in order to validate a subsequent operation on the data element, such as decryption and audio reproduction of an audio data file.
Inventors:
MESSITER MALCOLM (GB)
Application Number:
PCT/GB2001/002962
Publication Date:
May 30, 2003
Filing Date:
July 02, 2001
Export Citation:
Assignee:
VIRTUAL ORCHESTRA COMPANY LTD (GB)
MESSITER MALCOLM (GB)
MESSITER MALCOLM (GB)
International Classes:
G10H1/00; G06F21/10; G10H1/36; (IPC1-7): G06F1/00
Domestic Patent References:
| WO1999060458A2 | 1999-11-25 | |||
| WO1999026123A1 | 1999-05-27 |
Foreign References:
| EP0302710A2 | 1989-02-08 | |||
| US5652793A | 1997-07-29 | |||
| US5291598A | 1994-03-01 |
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