Patent ID: 11865377
Assignee: HONEYWELL INTERNATIONAL INC.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A method for completing a fit test on a face mask, the method comprising:
generating, by a speaker, a sound for a predetermined length of time during the fit test, wherein the speaker is installed within an interior cavity of the face mask and is configured to produce the sound within the face mask;
detecting, by a microphone, sound generated by the speaker during the fit test, wherein the microphone is installed within the interior cavity of the face mask and configured to detect the sound within the facemask;
comparing a detected signal from the microphone to a baseline expected sound;
in an instance in which the detected signal is unattenuated with respect to the baseline expected sound, indicating to the user that the fit test is completed and passed; and
in an instance in which the detected signal is attenuated with respect to the baseline expected sound, indicating to the user that the fit test is completed and failed.