Pulse wave measuring apparatus and pulse wave measuring method
US11147464B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2017 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Nov 20, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2503/22
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pulse wave measuring apparatus includes a visible light receiver having a first surface and a pulse wave calculator. When a vehicle with the visible light receiver is viewed from a side, the first surface is in a first region between a first optical path of first reflection light and a second optical path of second reflection light, first light comes from an eye of a user on a seat of the vehicle, second light comes from a cheek of the user, an upper end of a rearview mirror of the vehicle reflects the first light to produce the first reflection light and reflects the second light to produce the second reflection light, and the pulse wave calculator calculates a pulse wave of the user on the basis of a waveform of visible light received by the visible light receiver via the first surface and outputs the calculated pulse wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.