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:
Jun. 22, 1999
Filed:
Nov. 05, 1996
Applicant:
Inventors:
Ingemar J Cox, Lawrenceville, NJ (US);
Matthew L Miller, Vilnius, LT;
Kazuyoshi Tanaka, Tokyo, JP;
Yutaka Wakasu, Tokyo, JP;
Assignees:
NEC Research Institute, Princeton, NJ (US);
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 54 ;
Abstract
Digital watermarking of data, including image, video and audio data, is performed by repeatedly inserting the watermark into subregions or subimages of the data. Similarly, the watermark is repeatedly extracted from the subregions of the data.
Published as:
CA2219205A1; EP0840513A2; AU4434097A; JPH10145757A; CN1189042A; KR19980042061A; SG63773A1; US5915027A; EP0840513A3; AU721462B2; KR100280950B1; CA2219205C; CN1113527C; MY116163A; JP3880162B2;