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:
Apr. 09, 2024
Filed:
Feb. 12, 2021
Lg Electronics Inc., Seoul, KR;
Chiyoung Choi, Seoul, KR;
Taeun Heo, Seoul, KR;
Hojung Kim, Seoul, KR;
Wansu Youn, Seoul, KR;
Sangkyun Baek, Seoul, KR;
Yeongcheol Mun, Seoul, KR;
Keonwang Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A mask apparatus including a mask body that defines a communication hole, a sensor mounting portion that extends from a front surface of the mask body, that surrounds the communication hole, and that defines an installation space therein, a seal coupled to a rear surface of the mask body and configured to define a breathing space between the mask body and a user, a pressure sensor accommodated in the installation space and configured to sense air pressure inside the breathing space that is in communication with the communication hole, and a film disposed in the installation space and configured to restrict permeation of moisture from the breathing space into the installation space through the communication hole.