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:
Oct. 16, 2007
Filed:
Jul. 07, 2005
Applicants:
Michael E. Couture, Litchfield, NH (US);
Vadim Plotsker, Amherst, NH (US);
Inventors:
Michael E. Couture, Litchfield, NH (US);
Vadim Plotsker, Amherst, NH (US);
Assignee:
OASYS Technology, LLC, Manchester, NH (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G03B 21/00 (2006.01); G01J 3/50 (2006.01); G01N 21/25 (2006.01); G01B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device comprises a dichroic beamsplitter for splitting an object beam into a reflected beam having a first waveband and a transmitted beam having a second waveband; an astigmatism-correcting lens element, disposed in the optical path of the transmitted beam; and a coma-correcting lens element, disposed in the optical path of the transmitted beam.