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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 9958700 B1

PDFFull Text
Date of Patent:
May. 01, 2018

Filed:

Jul. 30, 2015

Optical modulator for laser speckle reduction

Applicant:

Eastman Kodak Company, Rochester, NY (US);

Inventors:

Kevin D. Lofftus, Fairport, NY (US);

Paul James Kane, Rochester, NY (US);

James Henry Reynolds, Rochester, NY (US);

Assignee:

EASTMAN KODAK COMPANY, Rochester, NY (US);

Attorneys:

David A. Novais

Neson A. Blish

Primary Examiner:

Christopher Mahoney

Int. Cl.
CPC ...
G02B 27/48 (2006.01); G02F 1/01 (2006.01); G03B 21/56 (2006.01); G03B 21/20 (2006.01); G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 27/48 (2013.01); G02F 1/0128 (2013.01); G03B 21/208 (2013.01); G03B 21/2033 (2013.01); G03B 21/562 (2013.01); G02B 5/0236 (2013.01);
Abstract

An optical modulator () for speckle suppression in a laser projection system includes a first planar transparent conductor (); a second optionally transparent planar conductor (); a diffusing element () disposed between the first and second conductor; and an alternating voltage applied across the first and second conductors creates in-plane movement or distortion in the diffusing element to reduce laser speckle.

Find Patent Forward Citations

Lofftus, Kevin. (2018). Optical modulator for laser speckle reduction (U.S. Patent No. 9958700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9958700

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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