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:
Apr. 06, 2021
Filed:
Jul. 02, 2019
Applicant:
Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;
Inventors:
Jae Kyung Kim, Suwon-si, KR;
Young Bok Yoon, Suwon-si, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 9/06 (2021.01);
U.S. Cl.
CPC ...
G03B 9/06 (2013.01);
Abstract
An aperture stop includes a housing, a blades disposed in the housing and rotated to form an incident hole having variable sizes, and a driver to rotatably move the blades. Each of the blades includes a through hole and protrusions disposed on an internal surface of the through hole forming the incident hole.