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:
Nov. 05, 2013
Filed:
Nov. 16, 2011
Younghak Jang, Seoul, KR;
Woomin Jung, Hwaseong-si, KR;
Minyong Park, Suwon-si, KR;
Changho Lee, Suwon-si, KR;
Younghak Jang, Seoul, KR;
Woomin Jung, Hwaseong-si, KR;
Minyong Park, Suwon-si, KR;
Changho Lee, Suwon-si, KR;
Hyundai Motor Company, Seoul, KR;
Daeki Corporation, Suwon-Si, KR;
Abstract
A system recognizes a check-up time of a filter of an air cleaner. The system includes a power unit that supplies power to the system, a pressure sensor that measure pressure of a filter, at an outlet connected with a filter unit, a conversion circuit that converts the measured value into a predetermined type, a processor that controls the measurement period of the pressure sensor and receives and compare the measured value converted by the conversion circuit with a predetermined reference value, and a display unit that displays a filter replacement period.