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. 23, 1997
Filed:
Aug. 19, 1996
Applicant:
Inventors:
Arnold Lungershausen, West Henrietta, NY (US);
Carl Lawrence Holden, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
2504951 ; 2504941 ; 2505 / ; 2505 / ; 396109 ;
Abstract
An infrared illumination system for a digital camera having a taking lens, includes: a plurality of infrared emitting diodes arranged around the taking lens, each diode being contained in a can having an infrared transparent window; a first diffuser located over the windows of the cans; and a second diffuser spaced apart from the first diffusers. The first diffuser is a new type of diffuser called a Fourier transform holographic diffuser.