Impact detection system with three or more optical fiber sensors
US7633052B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 30, 2007 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Nov 30, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/083
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed an impact detection system including: three or more optical fiber sensors disposed respectively in different positions, the sensors not being in alignment with one another, in which the sensors each includes a core portion to have a grating portion formed therein, the grating portion has a plurality of gratings; light source; two or more optical filters having different pass bands to one another to an output light of one of the optical fiber sensors; and an arithmetic processing apparatus to perform arithmetic processing of output values of the three or more optical fiber sensors through the optical filters so as to specify a position on the subject where an impact is loaded, the output values being obtained when the impact is loaded on the subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.