公开(公告)号：US20220062056A1

公开(公告)日：2022-03-03

申请号：US17309879

申请日：2019-02-20

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： John JENKINS ,  Scott HUTT ,  Wei SUN ,  Yongjun CHEN ,  Lei JIANG

IPC: A61F11/14 ,  G10K11/162 ,  B29D99/00

Abstract: A protection cup (100) for a hearing protection device (HPD) and a method for manufacturing a protection cup (100). The protection cup (100) includes a plurality of fractal elements disposed on an inner surface (101) of the protection cup (100).

公开(公告)号：US20210106854A1

公开(公告)日：2021-04-15

申请号：US16965055

申请日：2018-02-14

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Jennifer SHEN ,  Mark HUA ,  Kevin LU ,  Bruce LIU ,  Wei SUN

IPC: A62B27/00 ,  A62B18/08 ,  A62B9/00 ,  A62B18/02 ,  A62B7/10

Abstract: Embodiments include systems and methods for completing a fit test on a respiratory mask A method may comprise installing a speaker within an interior cavity of the face mask, wherein the speaker communicates with an electronics unit; installing a microphone within the interior cavity of the face mask, wherein the microphone communicates with the electronics unit; generating, by the speaker, a sound during the fit test; detecting, by the microphone, sound generated by the speaker during the fit test; comparing, by the electronics unit, a detected signal from the microphone to a baseline expected sound; when the detected signal is within a certain range of the baseline expected sound, indicating to the user that the fit test is completed and passed; and when the detected signal is not within a certain range of the baseline expected sound, indicating to the user that the fit test is completed and failed.

公开(公告)号：US20240315879A1

公开(公告)日：2024-09-26

申请号：US18732425

申请日：2024-06-03

Applicant: Honeywell International Inc.

Inventor： John JENKINS ,  Scott HUTT ,  Wei SUN ,  Yongjun CHEN ,  Lei JIANG

IPC: A61F11/14 ,  B29D99/00 ,  G10K11/162

CPC classification number: A61F11/14 ,  B29D99/00 ,  G10K11/162

Abstract: A protection cup for a hearing protection device (HPD) is provided. The protection cup includes a plurality of fractal elements disposed on an inner surface of the protection cup.