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. 28, 2021
Filed:
Nov. 09, 2016
Applicant:
Konica Minolta, Inc., Tokyo, JP;
Inventors:
Maiko Nishida, Hino, JP;
Keiji Matsusaka, Kokubunji, JP;
Assignee:
Konica Minolta, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/02 (2006.01); G02B 3/04 (2006.01); G02B 13/14 (2006.01); G02B 13/00 (2006.01); G02B 13/18 (2006.01); G02B 9/12 (2006.01);
U.S. Cl.
CPC ...
G02B 13/02 (2013.01); G02B 3/04 (2013.01); G02B 9/12 (2013.01); G02B 13/0035 (2013.01); G02B 13/14 (2013.01); G02B 13/18 (2013.01);
Abstract
A lens unit includes: an imaging optical system; and a lens barrel holding the imaging optical system. The imaging optical system includes, in order from an object side: a first lens having a positive refractive power; a second lens including at least one surface having an aspherical shape; and a third lens having a negative refractive power, at least one surface having an aspherical shape, and an inflection point other than an intersection with an optical axis.