Method and apparatus for active pyrometry
US5029117A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2005/0074
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention constitutes a pyrometer device and an associated method of operation for measuring temperature based on the radiation emitted by a heated body in which increased accuracy is achieved by actively ascertaining the emittance of the body whose temperature is being measured. The pyrometer device includes a light source for intermittently illuminating the heated body and a radiation sensing mechanism for measuring the amount of light reflected and radiated by the body. The pyrometer device further includes a signal processing unit for processing the information developed by the radiation sensing mechanism and deriving the temperature of the body based on a calculated emittance factor and the amount of light radiated by the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.