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.

Date of Patent:
Jun. 17, 2008

Filed:

Sep. 21, 2006
Applicants:

Masanao Yoshino, Nagaokakyo, JP;

Yoshiro Murata, Nara, JP;

Yoshinobu Asokawa, Nara, JP;

Inventors:

Masanao Yoshino, Nagaokakyo, JP;

Yoshiro Murata, Nara, JP;

Yoshinobu Asokawa, Nara, JP;

Assignee:

OMRON Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A light irradiation device for irradiating light having a pattern onto a physical object, includes a pattern forming plate provided with a plurality of opening portions; a light irradiation unit for irradiating light towards the pattern forming plate; and a projection lens irradiated by the light irradiation unit, for integrally condensing light passed through an opening of the pattern forming plate and guiding the condensed light to the physical object, wherein the projection lens is arranged such that an image of the pattern forming plate is not focused onto the physical object, but is projected as a sinusoidal wave pattern.


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