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:
Oct. 28, 2008
Filed:
Dec. 06, 2001
Jonathan James Stone, Reading, GB;
Jason Charles Pelly, Reading, GB;
Paul Gugenheim, London, GB;
Isabel Delacour, Basingstoke, GB;
Richard Foster, Fordingbridge, GB;
Andrew Collins, Basingstoke, GB;
Jonathan James Stone, Reading, GB;
Jason Charles Pelly, Reading, GB;
Paul Gugenheim, London, GB;
Isabel Delacour, Basingstoke, GB;
Richard Foster, Fordingbridge, GB;
Andrew Collins, Basingstoke, GB;
Sony United Kingdom Limited, Weybridge, GB;
Abstract
A system for watermarking and transferring watermarked material comprises a transaction server, first and second clients, first apparatus for applying a perceptible watermark to the material and second apparatus for removing the watermark. The server, clients and first and second apparatus are linked by one or more communications networks. The system is arranged to implement the steps of: