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.
Patent No.:
Date of Patent:
May. 09, 2006
Filed:
Nov. 20, 2001
Reza Rassool, Stevenson Ranch, CA (US);
William P. Worzel, Milan, MI (US);
Brian Baker, Bellevue, WA (US);
Reza Rassool, Stevenson Ranch, CA (US);
William P. Worzel, Milan, MI (US);
Brian Baker, Bellevue, WA (US);
Widevine Technologies, Inc., Seattle, WA (US);
Abstract
A method for identifying a media file transmitted over a network includes creating a plurality of known media file identifiers, each for a respective one of a plurality of known media files, using an identifier generating algorithm, storing the known media file identifiers in a database, creating a media file identifier for an unknown media file with the identifier generating algorithm and comparing the media file identifier for the unknown media file with known media file identifiers in order to produce an identification of the unknown media file.