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:
Dec. 22, 2009
Filed:
May. 30, 2002
Jonathan James Stone, Berkshire, GB;
Jason Charles Pelly, Berkshire, GB;
Stephen Mark Keating, Reading, GB;
Andrew Collins, Basingstoke, GB;
Daniel Tapson, Basingstoke, GB;
Jonathan James Stone, Berkshire, GB;
Jason Charles Pelly, Berkshire, GB;
Stephen Mark Keating, Reading, GB;
Andrew Collins, Basingstoke, GB;
Daniel Tapson, Basingstoke, GB;
Sony United Kingdom Limited, Weybridge, GB;
Abstract
A material distribution apparatus, comprising a material server including a data introduction processor operable to introduce data into material to be distributed with the effect that the introduced data is at least difficult to perceive in the material, and a material impairment processor operable to introduce a reversible impairment into the material. A communications network distributes the impaired material to at least one client processor which includes an impairment reversing processor operable to reverse the impairment of the material to produce client restored material.