Patent ID: 11953497
Assignee: BOYDSENSE, INC.
Field: Measurement (Instruments)
Classification: CPC G  A | IPC A  G

Claim 0:
1. Breath sensing device for a portable telecommunication device, or a wearable device, the breath sensing device comprising:
an acoustic wave sensing means comprising a microphone, and
a first gas sensing means sensitive to at least one type of molecule and
a second gas sensing means sensitive to at least one other type of molecule,
wherein the acoustic wave sensing means is provided over a substrate and the first and second gas sensing means are stacked over the acoustic wave sensing means,
wherein one of the first and second gas sensing means is arranged over the remaining first and second gas sensing means, and
wherein perforations in the acoustic wave sensing means are respectively aligned with perforations in the first gas sensing means and perforations in the second gas sensing means along a thickness direction of the breath sensing device.