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:
Aug. 07, 2018
Filed:
Sep. 13, 2016
Industry-academic Cooperation Foundation Yonsei University, Seoul, KR;
Abstract
A VOC detection sensor includes: a photoemission acceleration unit including a first electrode and a second electrode spaced apart from each other to face each other and a power source unit forming an electric field between the first electrode and the second electrode, photoemission means disposed within a space formed by the first electrode and second electrode of the photoemission acceleration unit and emitting photoelectrons, a light source supplying light energy by which the photoemission means emits photoelectrons, and an ammeter measuring the amount of charges flowing between the first electrode and the second electrode, wherein VOCs in the space between the first electrode and the second electrode are ionized through a collision against photoelectrons accelerated by the photoemission acceleration unit, and the ammeter detects a concentration of the VOCs by measuring the amount of charges formed by the ionized VOCs between the first electrode and the second electrode.