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:
Oct. 19, 2021
Filed:
Aug. 31, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Jeongseok Kim, Suwon-si, KR;
Junseok Kim, Hwaseong-si, KR;
Yunjae Suh, Incheon, KR;
Seol Namgung, Seoul, KR;
Jongwoo Bong, Seoul, KR;
Seungnam Choi, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A dynamic vision sensor device includes a photo detector that outputs a detection signal based on light incident from outside, a log amplifier that receives the detection signal from the photo detector through a first node, amplifies the received detection signal, and outputs the amplified detection signal to a second node, a differencing amplifier that outputs a difference signal based on a change in an intensity of the amplified detection signal, and an event determination circuit that determines an event based on the difference signal. The log amplifier includes a first buffer connected between the first node and a third node, an amplifier connected between the third node and the second node, and a feedback circuit connected between the second node and the first node.