Infrared temperature sensor
US11480471B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2020 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Jun 30, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2005/106
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An infrared temperature sensor comprises a first communication port and a second communication port. A plurality of infrared temperature sensors can be cascaded to each other and connected to an external host controller through the second communication port. The external host controller can set up and administer the unique addresses of the plurality of the infrared temperature sensors through the second communication port, whereby to selectively perform multicasting communication or unicasting communication with the plurality of infrared temperature sensors through the first communication port. The infrared temperature sensor further comprises a second thermopile sensing element used to sense the thermal radiation of a package structure, whereby to compensate for the measurement error induced by temperature variation of the package structure. Thus, the measurement accuracy is increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.