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:
Jan. 15, 2013
Filed:
Nov. 17, 2005
Applicant:
Perry Smith, Maale Adumim, IL;
Inventor:
Perry Smith, Maale Adumim, IL;
Assignee:
NDS Limited, Staines, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2011.01);
U.S. Cl.
CPC ...
Abstract
A method for producing scrambled content (FIG.A), the method including providing content () to be scrambled, identifying a first portion of the content (), identifying a second portion of the content (), computing a disguising function of at least part of the first portion () of the content and producing a result, and scrambling the second portion () of the content, the scrambling being based in part, on the result. Related apparatus and methods are also described.