Variable brightness and gain for optimizing signal acquisition
US10750958B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2017 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Feb 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0242
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A physiological monitoring device controls an optical signal acquisition system within a number of discrete operating states, each providing values for controllable parameters such as illumination intensity for a light source and the gain for an optical detector. Using this technique, a small number of operating states may be defined, such as operating states that are known to work well within expected use scenarios. This approach advantageously facilitates optimal or near optimal operation across a range of most likely use cases while avoiding complex or continuous optimization problems. The list of operating states may further be prioritized so that a best operating state can be selected based on, e.g., signal quality or environmental conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.