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:
Jun. 11, 2019
Filed:
Feb. 22, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Dae-kwang Jung, Suwon-si, KR;
Je-in Yu, Seoul, KR;
In-kuk Yun, Suwon-si, KR;
Jun-ho Koh, Suwon-si, KR;
Byeong-hoon Kwak, Uiwang-si, KR;
Sung-chan Kim, Suwon-si, KR;
Yang-wook Kim, Hwaseong-si, KR;
Chang-han Kim, Suwon-si, KR;
Hyun-jung Kim, Suwon-si, KR;
In-hak Na, Yongin-si, KR;
Kang-jin Yoon, Seoul, KR;
Yong-chan Lee, Seoul, KR;
Jae-ho Jung, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method and device for controlling an irradiating light for photographing an iris is provided. The device includes a light source configured to generate light, an active lens configured to have an adjustable refractive index to change light passing through the active lens, an image capturer configured to capture an image of the iris by using a camera, and a controller configured to control the active lens to change the light passing through the active lens based on distance, motion and ambient light levels.