The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2013

Filed:

Dec. 22, 2006
Applicants:

Fulong MA, Shanghai, CN;

Jin Qu, Shanghai, CN;

Inventors:

Fulong Ma, Shanghai, CN;

Jin Qu, Shanghai, CN;

Assignee:

Koninklijke Philips N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of rights management in a first device connected to digital data content, said first device comprising a right for accessing said digital data content and available state information for reflecting the state of use of said digital data content, said method comprising the steps of: —receiving by said first device a request for a state information from a second device; —comparing the content of said request with said available state information; —selecting said requested state information in said available state information according to the result of said comparing step; —transferring said requested state information to said second device via a communication channel; and—duplicating said fight to said second device.


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