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公开(公告)号：US20230014547A1
公开(公告)日：2023-01-19
申请号：US17846544
申请日：2022-06-22
Applicant: LG ELECTRONICS INC.
Inventor： Minsoo KIM , Jinmoo PARK , Seonghun LEE , Junchan KWON , Sooyong PARK
Abstract: Provided is a mask apparatus. The mask apparatus includes a mask body in which a microphone and a speaker are installed, a face guard coupled to a rear surface of the rear body so as to be in close contact with a user's face and having a breathing space therein, a pressure sensor installed in the mask body to measure a pressure of the breathing space, and a controller configured to compare a current pressure value measured by the pressure sensor to a reference pressure value and control a voice output of the speaker based on a difference between the current pressure value and the reference pressure value.
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公开(公告)号：US20230285783A1
公开(公告)日：2023-09-14
申请号：US18016476
申请日：2021-06-25
Applicant: LG ELECTRONICS INC.
Inventor： Minsoo KIM , Hyengcheul CHOI , Jinmoo PARK , Seonghun LEE , Junchan KWON , Taewook KWON
CPC classification number: A62B18/08 , A62B18/025 , A62B18/006 , H04R3/12 , H04R1/028 , H04R1/2811 , H04R1/403 , G10K11/17823 , G10K11/17873 , A41D13/11
Abstract: A mask apparatus according to the present disclosure includes a mask body provided with a microphone; a mask body cover coupled to a front surface of the mask body and having a front opening through which sound is output forward; a sealing portion coupled to a rear surface of the mask body and forming a breathing space; and a first speaker fixed to one of the mask body and the mask body cover and outputting a sound input by the microphone; in which a first resonance space in which the first speaker is accommodated is formed between the mask body and the mask body cover to amplify the sound output from the first speaker and output the sound to the front opening.
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公开(公告)号：US20220016449A1
公开(公告)日：2022-01-20
申请号：US17245534
申请日：2021-04-30
Applicant: LG Electronics Inc.
Inventor： Hyengcheul CHOI , Jinmoo PARK , Seonghun LEE , Junchan KWON , Taewook KWON , Minsoo KIM
Abstract: A mask apparatus includes a mask body having a fan module, a seal defining a breathing space, a pressure sensor sensing air pressure in the breathing space, a mask body cover coupled to the mask body, and a controller that controls a rotation speed of the fan module based on pressure values. The controller is configured to determine breathing information including a maximum pressure value and time point, and a minimum pressure value and time point, determine a breathing state of a user based on the breathing information, determine whether the breathing state is a steady state, determine a tidal volume of the user based on the breathing information, and control the rotation speed of the fan module based on the tidal volume.
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公开(公告)号：US20210402222A1
公开(公告)日：2021-12-30
申请号：US17231466
申请日：2021-04-15
Applicant: LG Electronics Inc.
Inventor： Taewook KWON , Jinmoo PARK , Junchan KWON , Seonghun LEE , Hyengcheul CHOI , Gyunghwan YUK , Minsoo KIM
Abstract: A mask apparatus includes a mask body, a fan module, a seal that defines a breathing space, a pressure sensor coupled to the mask body and configured to sense an air pressure in the breathing space, and a controller coupled to the mask body and configured to control a rotation speed of the fan module based on the air pressure. The controller is configured to determine a breathing cycle based on a maximum pressure value and a minimum pressure value among air pressure values sensed by the pressure sensor, determine a time difference between a maximum time point and a minimum time point, determine an expected time point of inhalation in a subsequent breathing cycle based on the breathing cycle and the time difference, and increase the rotation speed of the fan module based on a current time corresponding to the expected time point of inhalation.
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