Acoustic respiratory monitoring systems and methods
US10463340B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2010 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | May 29, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B7/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An acoustic sensor is provided according to certain aspects for non-invasively detecting physiological acoustic vibrations indicative of one or more physiological parameters of a medical patient. The sensor can include an acoustic sensing element configured to generate a first signal in response to acoustic vibrations from a medical patient. The sensor can also include front-end circuitry configured to receive an input signal that is based at least in part on the first signal and to produce an amplified signal in response to the input signal. In some embodiments, the sensor further includes a compression module in communication with the front-end circuitry and configured to compress portions of at least one of the input signal and the amplified signal according to a first compression scheme, the compressed portions corresponding to portions of the first signal having a magnitude greater than a predetermined threshold level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.