System for accurately detecting changes in temperature and pressure
US5270538A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1992 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Mar 30, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/35303
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system adapted for attachment to a device that undergoes changes in temperature and pressure, and for detecting changes in temperature and pressure in the device comprises a mechanism for attaching the system to the device and an optic device that includes pressure-responsive, temperature-responsive optical fibers that produce signals representative of temperature changes over a first optical frequency band, and of pressure changes over a second, distinctly different optical frequency band, or two or more optic devices, at least one including a pressure-responsive optical fiber, and at least one including a temperature-responsive optical fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.