System and method for expressing usage rights using light signals
AssigneeContentGuard Holdings, Inc.
InventorsBijan Tadayon, Charles P. Gilliam, Guillermo Lao, Manuel Ham, Michael Raley
Life of this patent
Estimating the term…
Loading patent…
AssigneeContentGuard Holdings, Inc.
InventorsBijan Tadayon, Charles P. Gilliam, Guillermo Lao, Manuel Ham, Michael Raley
Estimating the term…
A system and method for creating a rights expression for association with an item for use in a system for controlling use of the item in accordance with the rights expression. Rights expression information indicating a manner of use of an item is specified. A modulated light signal based representation of the rights expression information is then generated. The modulated light signal based representation is configured to be interpreted by an interpreter of a system for controlling use of the item to permit enforcement of the rights expression.
A method for creating a rights expression for association with an item for use in a system for controlling use of the item in accordance with the rights expression, said method comprising:
A system for creating a rights expression for association with an item to facilitate controlling use of the item in accordance with the rights expression, said system comprising:
In a system for controlling use of the item in accordance with a rights expression associated with said item, a rights expression comprising:
Dependencies are inferred from the claim text.