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:
Dec. 10, 2019
Filed:
Oct. 27, 2017
Applicant:
Daylight Solutions, Inc., San Diego, CA (US);
Inventor:
Jeremy Rowlette, Escondido, CA (US);
Assignee:
DAYLIGHT SOLUTIONS, INC., San Diego, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/14 (2006.01); G02B 21/02 (2006.01); G02B 9/60 (2006.01); G02B 21/26 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/14 (2013.01); G02B 9/60 (2013.01); G02B 21/02 (2013.01); G02B 21/26 (2013.01); G02B 27/0062 (2013.01);
Abstract
A mid-infrared objective lens assembly () includes a plurality of spaced apart, refractive lens elements () that operate in the mid-infrared spectral range, the plurality of lens elements () including an aplanatic first lens element () that is closest to an object () to be observed. The first lens element () has a forward surface () that faces the object () and a rearward surface () that faces away from the object (). The forward surface () can have a radius of curvature that is negative.