logo

For the Inventor, By the Inventor

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 12529828 B1

PDFFull Text
Date of Patent:
Jan. 20, 2026

Filed:

Oct. 30, 2023

Illumination line generation by double-duty diffusion

Applicant:

Cognex Corporation, Natick, MA (US);

Inventors:

Thomas Ruhnau, Herbolzheim, DE;

Khaled Aljasem, Bad Krozingen, DE;

Esther Oteo Lozano, Vaal, NL;

John F. Filhaber, Norwich, CT (US);

Assignee:

Cognex Corporation, Natick, MA (US);

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Thanh Luu

Assistant Examiner:

Mai Thi Ngoc undefined Tran

Int. Cl.
CPC ...
G02B 5/02 (2006.01); G01N 15/075 (2024.01); G01N 21/31 (2006.01); G01N 21/64 (2006.01); G01N 21/95 (2006.01); G01N 33/00 (2006.01); G02B 17/06 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0215 (2013.01); G01N 15/075 (2024.01); G01N 21/31 (2013.01); G01N 21/6489 (2013.01); G01N 21/95 (2013.01); G01N 33/0027 (2013.01); G02B 17/0668 (2013.01);
Abstract

An optical system includes a light source operable to produce input light, a linear diffuser, and a reflector. The light source, linear diffuser, and reflector are arranged and configured to direct the input light from the light source to the linear diffuser, project diffused light from the linear diffuser to the reflector, reflect the diffused light from the reflector to the linear diffuser as reflected light, and modify the reflected light at the linear diffuser to output a planar fan of diffused light, so that an illumination line forms at an intersection of the planar fan and an object. A system includes an optical sub-system configured to generate a planar fan of diffused light by passing input light through a single linear diffuser twice, and a control sub-system configured to operate the optical sub-system to control use of the planar fan of diffused light.

Find Patent Forward Citations

Quick Actions:

Ruhnau, Thomas. (2026). Illumination line generation by double-duty diffusion (U.S. Patent No. 12529828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12529828

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

Loading…