Passive, reversible deformation sensor
US9140584B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 20, 2012 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Jul 28, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01Q80/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to the field of microsensors, and particularly to a passive and reversible deformation sensor, specifically cycles of deformations in a direction OX of a structure, specifically during cycles of temperatures or mechanical stresses to which the structure is subjected, this sensor including elements (4, 5, 6) for detecting and, preferably, counting cycles of variations in the distance between two points or areas of a structure, these elements including a support having first and second portions (41, 44) attachable to, respectively, either of the two points or areas of the structure, wherein the detecting elements are associated with each of the first and second portions of the support, sensor characterized by in that the detecting elements include elements (541, 542, 543, 551, 552, 553, 561, 562, 563) for distinguishing between at least two different thresholds of cycles of variations in distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.