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. 21, 2019
Filed:
Oct. 28, 2014
Seoul National University R&db Foundation, Seoul, KR;
Seoul Viosys Co., Ltd., Ansan-si, Gyeonggi-do, KR;
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, Gyeonggi-Do, KR;
Abstract
A sensing system according to the embodiment of the present invention includes an optical actuator configured to apply an optical stimulus into a detection target substance, a photo detector configured to output an electrical signal having a snapback form in response to an optical response generated according to a concentration of the detection target substance to which the optical stimulus is applied, an amplifier configured to amplify the electrical signal output from the photo detector and to provide the amplified electrical signal as positive feedback to the optical actuator, and a detection unit configured to detect the detection target substance in response to the electrical signal.