公开(公告)号：US11307185B2

公开(公告)日：2022-04-19

申请号：US16705762

申请日：2019-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Chiwan Park ,  Kijung Sung ,  Hyunho Oh ,  Taedong Shin

IPC: G01N33/00 ,  H05K1/14 ,  H05K1/18

Abstract: Disclosed is an air-quality detection apparatus including a casing body including a bottom and a side wall, a first printed circuit board (PCB) disposed horizontally above the bottom, a second PCB disposed horizontally in a first region above the first PCB, a CO2 sensor mounted on the second PCB, a volatile organic compound (VOC) sensor mounted in a second region on the first PCB that is closer to the side wall than the first region, a third PCB, which is disposed horizontally at a position spaced further upwards apart from the bottom than the first PCB and at least a portion of which is disposed in a third region that does not overlap the first PCB when the bottom is viewed from above, a fourth PCB disposed horizontally above the second PCB and the third PCB, and a dust sensor mounted on the fourth PCB.

公开(公告)号：US11493421B2

公开(公告)日：2022-11-08

申请号：US16627211

申请日：2017-12-29

Applicant: LG Electronics Inc.

Inventor： Chiwan Park ,  Kwanghee Kang ,  Guedong Lee

IPC: H04L12/24 ,  H04L41/0803 ,  G01N15/02 ,  H04W4/38 ,  H04W4/02

Abstract: Disclosed are particulate matter measuring device and a particulate matter information utilizing system, the particulate matter measuring device including: a particulate matter concentration measuring sensor configured to measure particulate matter concentration information; a location sensing module configured to select location information of a place where the particulate matter concentration information is measured by the particulate matter concentration measuring sensor; a communication module configured to communicate with an electronic device; and a control module configured to output a control signal to control the electronic device, based on the particulate matter concentration information and location information corresponding to the particulate matter concentration information.

公开(公告)号：US11516918B2

公开(公告)日：2022-11-29

申请号：US16705695

申请日：2019-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Chiwan Park ,  Kijung Sung ,  Hyunho Oh ,  Taedong Shin

IPC: H05K1/18 ,  G01D21/02 ,  G01N33/00 ,  G01N27/414 ,  G01N27/12

Abstract: An air-quality detection apparatus is disclosed. The air-quality detection apparatus includes a casing body including a bottom and a side wall extending upwards from the circumference of the bottom, a first printed circuit board (PCB) disposed horizontally above the bottom, a temperature/humidity sensor mounted on the bottom surface of the first PCB, a second PCB disposed horizontally above the first PCB, and a CO2 sensor mounted on the second PCB.