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:
May. 26, 2020
Filed:
Nov. 16, 2016
Nittoh Inc., Suwa-Shi, Nagano, JP;
Theia Technologies Llc, Wilsonville, OR (US);
Kazuhiro Oe, Suwa, JP;
Jeffrey Alan Gohman, Hillsboro, OR (US);
NITTOH INC., Suwa-Shi, Nagano, JP;
THEIA TECHNOLOGIES LLC, Wilsonville, OR (US);
Abstract
A zoom lens system includes: a primary image forming lens group that forms light from an object side into an intermediate image and a relay lens group that forms light from the intermediate image into a final image. The primary image forming lens group includes, in order from the object side, a first fixed lens group Gwith negative refractive power, a stop St, and a second fixed lens group Gwith positive refractive power, and the relay lens group includes, in order from the object side, a third fixed lens group Gwith negative refractive power, a first moving lens group Gwith positive refractive power, and a second moving lens group Gwith positive refractive power.