US 11,719,833 B2
Radon measuring apparatus and method
Sang In Kim, Daejeon (KR); Hyun Keun Lim, Daejeon (KR); and Eun Jung Yun, Changwon-si (KR)
Assigned to ARIM SCIENCE CO., Daejeon (KR)
Filed by ARIM SCIENCE CO., Daejeon (KR)
Filed on Jun. 4, 2022, as Appl. No. 17/832,641.
Application 17/832,641 is a continuation of application No. PCT/KR2020/003687, filed on Mar. 18, 2020.
Claims priority of application No. 10-2019-0170936 (KR), filed on Dec. 19, 2019.
Prior Publication US 2022/0299660 A1, Sep. 22, 2022
Int. Cl. G01T 1/178 (2006.01); G01T 7/04 (2006.01)
CPC G01T 1/178 (2013.01) [G01T 7/04 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A radon measuring apparatus comprising:
a housing having two separate spaces and through holes formed such that each space communicates with the outside;
a probe unit having first and second probe rods which are respectively disposed inside each space in the opposite direction from each other inside the housing;
a control unit disposed inside the housing and connected to the probe unit; and
a switching unit for controlling the electrical connection between the first and second probe rods.