Acceleration measuring device and acceleration measuring method of the same
US11340252B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 31, 2019 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Dec 13, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P15/093
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An acceleration measuring device includes a housing with an inner cavity, a reference substance disposed in the inner cavity, an elastic supporting member connected between the bottom portion of the inner cavity and the reference substance, a light source secured to a side of the reference substance, a lens secured to the reference substance that is positioned at a side of the light source away from the reference substance, an image sensor at a top portion of the inner cavity and located at a side of the lens away from the reference substance for receiving light emitted by the light source and scattered by the lens, and a processor configured to calculate displacement information of the reference substance in a vertical direction according to light received by the image sensor, and calculate an acceleration of the reference substance according to the displacement information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.