Title:
BREATHING APPARATUS AND FACEPIECE
Document Type and Number:
WIPO Patent Application WO/2022/141156
Kind Code:
A1
Abstract:
A breathing apparatus (1) includes a back frame (510), a compressed gas source disposed on the back frame (510), a power supply and a first electronic module electrically connected with the power supply, the power supply and the first electronic module being disposed on the back frame (510); a facepiece (10, 10') includes a bezel (110, 110') connected to the face of a user, a lens (120) connected to the bezel (110, 110'), a connection port (130) connected to and in fluid communication with the compressed gas source, and a display device disposed in a space formed by the facepiece (10, 10') and the face of the user. The display device displays information from the first electronic module and the content displayed by the display device is fused with a visual field of the user. The display device is an augmented reality optical module (150, 150'a, 150'b).
Inventors:
HU DONGHAI (CN)
JESME RONALD DAVID (US)
GONG YUEMING (CN)
LIU RUIMIN (CN)
JESME RONALD DAVID (US)
GONG YUEMING (CN)
LIU RUIMIN (CN)
Application Number:
PCT/CN2020/141248
Publication Date:
July 07, 2022
Filing Date:
December 30, 2020
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
HU DONGHAI (CN)
HU DONGHAI (CN)
International Classes:
A62B9/00; A62B7/02; A62B18/08
Foreign References:
| CN108388012A | 2018-08-10 | |||
| CN108388012A | 2018-08-10 | |||
| CN104127963A | 2014-11-05 | |||
| CN111330183A | 2020-06-26 | |||
| CN109998213A | 2019-07-12 | |||
| US20130112195A1 | 2013-05-09 |
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (CN)
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