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. 19, 2020
Filed:
Oct. 25, 2017
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Takayoshi Togino, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
The optical system is characterized by a rotationally symmetric front group that is located on a single axis of rotational symmetry passing through the center of an image plane, a rotationally symmetric back group, and an aperture, wherein the front group includes two internal reflecting surfaces and two transmitting surfaces, a light beam incident from at least one object plane on the front group forms an optical path along which the light beam enters a first transmitting surface, is reflected off a first reflecting surface and then off a second reflecting surface, and exits out of a second transmitting surface, and the light beam passes through the back group and aperture and is imaged in a position of the image plane away from the axis of rotational symmetry without being intermediately imaged within a section including the axis of rotational symmetry.