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. 05, 2018
Filed:
May. 26, 2015
Samsung Electronics Co., Ltd., Suwon-si, KR;
Senko Co., Ltd., Osan-si, KR;
Youn Joo Song, Suwon-si, KR;
Seung Chul Ha, Suwon-si, KR;
Hyun Joo Jung, Seoul, KR;
Young Chul Ko, Suwon-si, KR;
Yong Won Jeong, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
SENKO CO., LTD., Osan-si, KR;
Abstract
A gas sensor, a refrigerator having the gas sensor, and a method for controlling the gas sensor recognizes the ripening degree of a target food on the basis of a variation in color using a pH indicator having a color that is changed with pH variation generated when the pH indicator reacts with target gas, a refrigerator having the gas sensor. The gas sensor for detecting target gas includes: a base provided for gas permeation; and a detection unit provided at the base, and is discolored in response to pH variation generated when reacting with target gas having permeated the base.