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. 30, 2020
Filed:
Jun. 06, 2018
Center for Integrated Smart Sensors Foundation, Daejeon, KR;
CENTER FOR INTEGRATED SMART SENSORS FOUNDATION, Daejeon, KR;
Abstract
An apparatus for measuring fine particulate matter to determine a time to replace each of a filter and an air quality sensor based on a concentration of a filtered fine particulate matter and a method thereof are provided. The apparatus for measuring fine particulate matter is applied to an air cleaner, a personal environment monitoring system (PEMS), a fine particulate matter module, or the like by sensing a target material, such as harmful gas, as well as particulate matter and fine particulate matter in the air and providing result information.
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