Acoustic spirometer system
US9763626B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2016 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | May 8, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0204
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embodiments of the present invention are directed a system using a microphone and a mobile computer device comprising a transducer through which a user is to exhale or inhale; the transducer is configured and operable to convert the spirometric flow rate into an audible signal having an audio frequency responsive to the spirometric flow rate, wherein the transducer comprises a rotor including a plurality of rotor blades configured to rotate the rotor responsive to a spirometric flow; wherein the microphone is external to the transducer and is adapted to detect the audible signal having the audio frequency and to convert the audible signal to a corresponding electrical signal having the audio frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.