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:
Feb. 28, 2006

Filed:

May. 04, 2004
Applicants:

Louis B. Hoff, Belmont, CA (US);

Mark F. Oldham, Los Gatos, CA (US);

Inventors:

Louis B. Hoff, Belmont, CA (US);

Mark F. Oldham, Los Gatos, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method and apparatus to illuminate a target. The apparatus can comprise a first lens configured to receive light from the light source, a diffractive optical element configured to receive the light from the first lens and to regulate the light into regulated light, and second lens configured to receive the regulated light and to direct the regulated light onto a selected area of the target.


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