Digital rights management system and method
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United States of America Patent
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Mar 31, 2009
Grant Date -
Jun 10, 2004
app pub date -
Feb 21, 2002
filing date -
Mar 28, 2001
priority date (Note) -
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Abstract
A system and a method for providing variable security mechanisms for securing digital content, in which a single security mechanism is not used for all content. Instead, at least one characteristic or feature of the security mechanism is varied between units, instances or categories of content. Therefore, even if unauthorized access is gained to a single unit of content, the overall integrity and security of the system for content distribution is not compromised. Preferably, security is provided through a general mechanism, which is then varied in order to provide variable, dissimilar security schemes for different types of content. By “type of content”, it is meant any of a single unit of content, a single instance of content or a single category of content. For example, for a category of content, the content may be characterized according to the identity of the content itself, such as the title of a movie for example, and/or according to the owner of a particular copy of the content. Thus, different security schemes may optionally and preferably be generated from a particular root structure. Related apparatus and methods are also provided.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SYNAMEDIA LIMITED | ONE LONDON ROAD STAINES UPON THAMES MIDDLESEX TW18 4EX |
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Belenky, Yaacov | Maaleh Adumim, IL | 36 | 299 |
Benedek, Gyora | Haifa , IL | 7 | 131 |
Hibshoosh, Eliphaz | Tel Aviv, IL | 24 | 614 |
Shen-Orr, Chaim | Haifa , IL | 19 | 292 |
Shkedy, Zvi | Karmiel , IL | 8 | 184 |
Solow, Hillel | Beit Shemesh , IL | 27 | 473 |
Tsuria, Yossi | Jerusalem, IL | 39 | 1472 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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