Title:
VOICE TRANSMISSION DEVICE FOR MASK
Document Type and Number:
WIPO Patent Application WO/2022/025501
Kind Code:
A1
Abstract:
The present invention relates to a voice transmission device for a mask, which can be vibrated by a voice of a mask wearer to clearly transmit the voice and can be easily attached to or detached from a mask so as to be replaced or washed and used. The voice transmission device for a mask according to the present invention may comprise: a ring-shaped holder having an opening formed to communicate with an open mounting hole formed through a mask, and coupled to the mounting hole of the mask; a diaphragm coupled to the holder to be vibrated by sound waves of a mask wearer, which is transmitted through the opening of the holder; and a ring-shaped clamp member coupled to the front of the holder to fix the rim portion of the diaphragm to the rim portion of the holder.
Inventors:
YANG KYUNG-HO (KR)
Application Number:
PCT/KR2021/009199
Publication Date:
February 03, 2022
Filing Date:
July 16, 2021
Export Citation:
Assignee:
EVO CO LTD (KR)
YANG KYUNG HO (KR)
YANG KYUNG HO (KR)
International Classes:
A62B18/08; A62B18/02; A62B23/02; H04R1/08; H04R7/12; H04R7/16; H04R7/26
Foreign References:
| KR20030075556A | 2003-09-26 | |||
| US6997178B1 | 2006-02-14 | |||
| US4718415A | 1988-01-12 | |||
| KR200335505Y1 | 2003-12-06 | |||
| JP2002219185A | 2002-08-06 | |||
| KR102234853B1 | 2021-04-01 |
Attorney, Agent or Firm:
OH, Wihwan (KR)
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