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.:

US 6624874 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 23, 2003

Filed:

Dec. 21, 2001
Applicant:
Inventors:

Joseph F. Revelli, Jr., Rochester, NY (US);

Chris W. Honsinger, Ontario, NY (US);

Paul W. Jones, Churchville, NY (US);

Lawrence A. Ray, Rochester, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/132 ; H04N 7/167 ;
U.S. Cl.
CPC ...
G03B 2/132 ; H04N 7/167 ;
Abstract

An apparatus for optically embedding hidden data in a source image, wherein the hidden data is updateable in real-time, the apparatus includes (a) optical masks bearing a data image and an encoding carrier image either or both of which may be updated in real-time; (b) optical components for convolving, the data image with the encoding carrier image to produce a spatially dispersed data image; and (c) optical beam combiner for combining the spatially dispersed data image with the source image to produce a source image containing embedded hidden data.


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Revelli, Jr., Joseph. (2003). Apparatus and method for inserting an updateable hidden image into an optical path (U.S. Patent No. 6624874). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6624874

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