Process of capturing a biopotential signal at a surface of a body and apparatus therefor
US12011272B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 11, 2020 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | May 11, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/277
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In one embodiment the invention provides a process of capturing a biopotential signal at a surface of a body using a sensor receiver which forms a first signal connection the body wherein one or more parameters of impedance of the first signal connection are unknown. The process comprises receiving the biopotential signal at an output of a first signal channel having a first transfer function which is dependent on the one of more unknown first impedance parameters. The process also comprises receiving the biopotential signal at an output of a second signal channel having a second transfer function dependent on the one of more unknown first impedance parameters. The process also comprises deriving a set of relations for the biopotential signal. The set of relations is defined dependent on the transfer function of the first signal channel, the transfer function of the second signal channel, and outputs of the first and second signal channels; and solving the set of relations to determine the captured biopotential signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.